enihsyou

🐧 💻 🔤

China

pwn.college Archives

31 / 232 10739 / 25828

level1

Time of First Successful Submission: 2026-04-30 03:22:14

set-register

Time of First Successful Submission: 2026-03-19 09:54:40

set-multiple-registers

Time of First Successful Submission: 2026-03-19 09:55:29

add-to-register

Time of First Successful Submission: 2026-03-19 09:56:42

linear-equation-registers

Time of First Successful Submission: 2026-03-19 10:01:05

integer-division

Time of First Successful Submission: 2026-03-19 10:06:03

modulo-operation

Time of First Successful Submission: 2026-03-19 10:11:47

set-upper-byte

Time of First Successful Submission: 2026-03-19 10:13:25

efficient-modulo

Time of First Successful Submission: 2026-03-19 10:15:50

byte-extraction

Time of First Successful Submission: 2026-03-19 10:42:32

bitwise-and

Time of First Successful Submission: 2026-03-19 10:45:05

check-even

Time of First Successful Submission: 2026-03-19 10:48:45

memory-read

Time of First Successful Submission: 2026-03-19 10:51:13

memory-write

Time of First Successful Submission: 2026-03-19 10:51:59

memory-increment

Time of First Successful Submission: 2026-03-19 10:53:23

byte-access

Time of First Successful Submission: 2026-03-19 10:55:41

memory-size-access

Time of First Successful Submission: 2026-03-19 10:57:44

little-endian-write

Time of First Successful Submission: 2026-03-19 11:00:03

memory-sum

Time of First Successful Submission: 2026-03-19 11:10:00

stack-subtraction

Time of First Successful Submission: 2026-03-19 11:10:58

swap-stack-values

Time of First Successful Submission: 2026-03-19 11:11:34

average-stack-values

Time of First Successful Submission: 2026-03-19 11:15:28

absolute-jump

Time of First Successful Submission: 2026-03-19 11:16:50

relative-jump

Time of First Successful Submission: 2026-03-19 11:23:20

jump-trampoline

Time of First Successful Submission: 2026-03-19 11:28:06

conditional-jump

Time of First Successful Submission: 2026-03-19 11:42:22

indirect-jump

Time of First Successful Submission: 2026-03-19 11:55:19

average-loop

Time of First Successful Submission: 2026-03-19 12:14:14

count-non-zero

Time of First Successful Submission: 2026-03-19 12:21:36

string-lower

Time of First Successful Submission: 2026-03-19 13:08:53

most-common-byte

Time of First Successful Submission: 2026-03-19 14:14:37

Advent of Pwn

1 / 12 570 / 571

Day 01

Time of First Successful Submission: 2026-07-28 06:35:05

Intro to Programming Languages

15 / 253 9323 / 40936

Commands

Time of First Successful Submission: 2026-03-07 04:10:14

Command Arguments

Time of First Successful Submission: 2026-03-07 04:11:58

Command History

Time of First Successful Submission: 2026-03-07 04:12:44

The Root Path

Time of First Successful Submission: 2026-03-08 11:04:48

Absolute Paths

Time of First Successful Submission: 2026-03-08 11:09:35

Changing position

Time of First Successful Submission: 2026-03-08 11:10:28

Changing to an Absolute Path

Time of First Successful Submission: 2026-03-08 11:13:23

Relative Paths

Time of First Successful Submission: 2026-03-08 11:14:17

Cat

Time of First Successful Submission: 2026-03-08 11:22:48

Ls

Time of First Successful Submission: 2026-03-08 11:27:51

Ls All

Time of First Successful Submission: 2026-03-08 11:31:35

Find

Time of First Successful Submission: 2026-03-08 11:43:26

Piping Echo

Time of First Successful Submission: 2026-03-09 18:29:46

Piping Stdout

Time of First Successful Submission: 2026-03-09 18:41:45

Piping Stdin

Time of First Successful Submission: 2026-03-09 18:45:52

The Art of the Shell

4 / 55 201 / 574

The Transient Path

Time of First Successful Submission: 2026-03-11 12:48:57

Ferocious Functionality

Time of First Successful Submission: 2026-03-11 12:54:03

The Surprising Swap

Time of First Successful Submission: 2026-03-11 13:32:33

Saga of the Sneaky Similarity

Time of First Successful Submission: 2026-05-17 10:24:36

Intro to Cybersecurity

183 / 183 200 / 22742

Path Traversal 1

Time of First Successful Submission: 2026-03-07 01:50:14

Path Traversal 2

Time of First Successful Submission: 2026-03-07 01:57:05

CMDi 1

Time of First Successful Submission: 2026-03-07 02:10:02

CMDi 2

Time of First Successful Submission: 2026-03-07 03:23:49

CMDi 3

Time of First Successful Submission: 2026-03-07 03:26:59

CMDi 4

Time of First Successful Submission: 2026-03-07 03:29:57

CMDi 5

Time of First Successful Submission: 2026-03-07 03:31:34

CMDi 6

Time of First Successful Submission: 2026-03-07 03:43:05

Authentication Bypass 1

Time of First Successful Submission: 2026-03-07 04:02:37

Authentication Bypass 2

Time of First Successful Submission: 2026-03-07 04:04:42

SQLi 1

Time of First Successful Submission: 2026-03-08 20:44:16

SQLi 2

Time of First Successful Submission: 2026-03-08 20:46:24

SQLi 3

Time of First Successful Submission: 2026-03-08 20:50:17

SQLi 4

Time of First Successful Submission: 2026-03-08 20:55:06

SQLi 5

Time of First Successful Submission: 2026-03-08 21:19:39

XSS 1

Time of First Successful Submission: 2026-03-09 19:15:31

XSS 2

Time of First Successful Submission: 2026-03-30 12:35:56

XSS 3

Time of First Successful Submission: 2026-03-30 12:38:35

XSS 4

Time of First Successful Submission: 2026-03-30 12:43:39

XSS 5

Time of First Successful Submission: 2026-03-30 12:50:39

XSS 6

Time of First Successful Submission: 2026-03-30 12:54:40

XSS 7

Time of First Successful Submission: 2026-03-30 13:07:29

CSRF 1

Time of First Successful Submission: 2026-03-30 13:17:24

CSRF 2

Time of First Successful Submission: 2026-03-30 13:23:34

CSRF 3

Time of First Successful Submission: 2026-03-30 13:37:01

CSRF 4

Time of First Successful Submission: 2026-03-30 13:43:52

CSRF 5

Time of First Successful Submission: 2026-03-30 13:51:02

Connect

Time of First Successful Submission: 2026-03-30 17:03:28

Send

Time of First Successful Submission: 2026-03-30 17:04:58

Shutdown

Time of First Successful Submission: 2026-03-30 17:09:25

Listen

Time of First Successful Submission: 2026-03-30 17:09:52

Scan 1

Time of First Successful Submission: 2026-03-30 17:18:32

Scan 2

Time of First Successful Submission: 2026-03-30 17:22:05

Monitor 1

Time of First Successful Submission: 2026-03-30 17:31:56

Monitor 2

Time of First Successful Submission: 2026-03-30 18:08:37

Sniffing Cookies

Time of First Successful Submission: 2026-03-31 14:29:55

Network Configuration

Time of First Successful Submission: 2026-03-31 14:31:54

Firewall 1

Time of First Successful Submission: 2026-03-31 14:34:39

Firewall 2

Time of First Successful Submission: 2026-03-31 14:38:34

Firewall 3

Time of First Successful Submission: 2026-03-31 14:40:08

Denial of Service 1

Time of First Successful Submission: 2026-03-31 14:49:16

Denial of Service 2

Time of First Successful Submission: 2026-03-31 14:58:27

Denial of Service 3

Time of First Successful Submission: 2026-03-31 15:22:27

Ethernet

Time of First Successful Submission: 2026-04-01 05:37:22

IP

Time of First Successful Submission: 2026-04-02 02:50:21

TCP

Time of First Successful Submission: 2026-04-02 03:14:06

TCP Handshake

Time of First Successful Submission: 2026-04-02 03:15:32

UDP

Time of First Successful Submission: 2026-04-02 05:42:11

UDP 2

Time of First Successful Submission: 2026-04-02 06:07:13

UDP Spoofing 1

Time of First Successful Submission: 2026-04-02 06:13:05

UDP Spoofing 2

Time of First Successful Submission: 2026-04-02 06:16:46

UDP Spoofing 3

Time of First Successful Submission: 2026-04-02 06:44:38

UDP Spoofing 4

Time of First Successful Submission: 2026-04-02 16:06:17

ARP

Time of First Successful Submission: 2026-04-02 16:11:34

Intercept

Time of First Successful Submission: 2026-04-02 16:43:13

Man-in-the-Middle

Time of First Successful Submission: 2026-04-02 17:47:54

XOR

Time of First Successful Submission: 2026-03-11 12:45:52

XORing Hex

Time of First Successful Submission: 2026-04-03 09:24:58

XORing ASCII

Time of First Successful Submission: 2026-04-03 16:42:37

XORing ASCII Strings

Time of First Successful Submission: 2026-04-04 18:54:19

One-time Pad

Time of First Successful Submission: 2026-04-04 19:07:09

One-time Pad Tampering

Time of First Successful Submission: 2026-04-04 19:16:46

Many-time Pad

Time of First Successful Submission: 2026-04-05 06:04:33

AES

Time of First Successful Submission: 2026-04-05 06:16:26

AES-ECB-CPA

Time of First Successful Submission: 2026-04-05 08:45:41

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-05 10:14:12

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-05 10:19:14

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-05 10:32:28

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-05 16:15:17

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-06 14:34:03

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-04-06 15:03:44

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-04-06 15:18:45

AES-CBC

Time of First Successful Submission: 2026-04-08 12:03:09

AES-CBC Tampering

Time of First Successful Submission: 2026-04-09 13:32:42

AES-CBC Resizing

Time of First Successful Submission: 2026-04-09 16:58:49

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-04-10 05:57:09

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-04-10 07:02:58

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-04-10 07:33:17

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-04-10 08:02:41

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-04-10 08:20:03

DHKE

Time of First Successful Submission: 2026-04-10 08:57:52

DHKE-to-AES

Time of First Successful Submission: 2026-04-10 11:27:46

RSA 1

Time of First Successful Submission: 2026-04-10 11:51:32

RSA 2

Time of First Successful Submission: 2026-04-10 11:56:15

RSA 3

Time of First Successful Submission: 2026-04-10 12:14:29

RSA 4

Time of First Successful Submission: 2026-04-10 12:27:24

RSA Signatures

Time of First Successful Submission: 2026-04-10 12:40:00

SHA 1

Time of First Successful Submission: 2026-04-10 15:07:04

SHA 2

Time of First Successful Submission: 2026-04-10 15:09:15

TLS 1

Time of First Successful Submission: 2026-04-10 15:41:01

TLS 2

Time of First Successful Submission: 2026-04-10 16:22:01

level1

Time of First Successful Submission: 2026-04-10 19:02:34

level2

Time of First Successful Submission: 2026-04-10 19:02:52

level3

Time of First Successful Submission: 2026-04-10 19:03:22

level4

Time of First Successful Submission: 2026-04-10 19:03:40

level5

Time of First Successful Submission: 2026-04-10 19:06:28

level6

Time of First Successful Submission: 2026-04-10 19:10:01

level7

Time of First Successful Submission: 2026-04-10 19:11:17

level8

Time of First Successful Submission: 2026-04-10 19:11:44

level9

Time of First Successful Submission: 2026-04-10 19:12:20

level10

Time of First Successful Submission: 2026-04-10 19:13:47

level11

Time of First Successful Submission: 2026-04-10 19:17:01

level12

Time of First Successful Submission: 2026-04-10 19:18:21

level13

Time of First Successful Submission: 2026-04-10 19:22:32

level14

Time of First Successful Submission: 2026-04-10 19:26:23

level15

Time of First Successful Submission: 2026-04-10 19:26:51

level16

Time of First Successful Submission: 2026-04-10 19:31:00

level17

Time of First Successful Submission: 2026-04-10 19:32:42

level18

Time of First Successful Submission: 2026-04-10 19:35:06

level19

Time of First Successful Submission: 2026-04-10 19:37:20

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-04-11 17:05:46

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-04-12 08:27:57

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-04-12 08:31:53

Reading Endianness (Python)

Time of First Successful Submission: 2026-04-12 08:48:30

Reading Endianness (C)

Time of First Successful Submission: 2026-04-12 08:54:03

Reading Endianness (x86)

Time of First Successful Submission: 2026-04-12 08:56:54

Version Information (Python)

Time of First Successful Submission: 2026-04-12 09:03:56

Version Information (C)

Time of First Successful Submission: 2026-04-12 09:26:47

Version Information (x86)

Time of First Successful Submission: 2026-04-12 09:27:24

Metadata and Data (Python)

Time of First Successful Submission: 2026-04-12 09:33:03

Metadata and Data (C)

Time of First Successful Submission: 2026-04-12 09:41:13

Metadata and Data (x86)

Time of First Successful Submission: 2026-04-12 09:43:11

Input Restrictions (Python)

Time of First Successful Submission: 2026-04-12 14:11:47

Input Restrictions (C)

Time of First Successful Submission: 2026-04-12 14:16:05

Input Restrictions (x86)

Time of First Successful Submission: 2026-04-12 14:46:36

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-04-13 06:05:53

Behold the cIMG! (C)

Time of First Successful Submission: 2026-04-13 06:31:32

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-04-13 06:37:36

A Basic cIMG (Python)

Time of First Successful Submission: 2026-04-13 06:46:55

A Basic cIMG (C)

Time of First Successful Submission: 2026-04-13 06:49:55

A Basic cIMG (x86)

Time of First Successful Submission: 2026-04-13 07:08:40

Internal State Mini (C)

Time of First Successful Submission: 2026-04-13 07:25:05

Internal State Mini (x86)

Time of First Successful Submission: 2026-04-13 08:12:25

Internal State (C)

Time of First Successful Submission: 2026-04-13 08:55:21

Internal State (x86)

Time of First Successful Submission: 2026-04-13 09:13:40

File Formats: Directives (C)

Time of First Successful Submission: 2026-04-13 12:08:05

File Formats: Directives (x86)

Time of First Successful Submission: 2026-04-13 12:23:16

The Patch Directive

Time of First Successful Submission: 2026-04-14 12:16:49

Optimizing for Space

Time of First Successful Submission: 2026-04-14 13:29:38

Tweaking Images

Time of First Successful Submission: 2026-04-14 14:17:41

Storage and Retrieval

Time of First Successful Submission: 2026-04-14 16:22:50

Extracting Knowledge

Time of First Successful Submission: 2026-04-15 09:56:00

Advanced Sprites

Time of First Successful Submission: 2026-04-16 16:39:16

Accessing Resources

Time of First Successful Submission: 2026-04-17 06:22:20

Unsafe Animations

Time of First Successful Submission: 2026-04-17 07:26:42

Animations

Time of First Successful Submission: 2026-04-18 17:01:39

Interoperability: Patching Data

Time of First Successful Submission: 2026-04-18 17:34:18

Patching Code

Time of First Successful Submission: 2026-04-18 18:09:17

Patching Control Flow

Time of First Successful Submission: 2026-04-18 18:15:40

Your First Overflow (easy)

Time of First Successful Submission: 2026-04-19 09:11:01

Your First Overflow (hard)

Time of First Successful Submission: 2026-04-19 09:19:59

Precision (easy)

Time of First Successful Submission: 2026-04-20 06:07:14

Precision (hard)

Time of First Successful Submission: 2026-04-20 07:29:32

Variable Control (easy)

Time of First Successful Submission: 2026-04-20 08:00:30

Variable Control (hard)

Time of First Successful Submission: 2026-04-20 08:04:58

Control Hijack (easy)

Time of First Successful Submission: 2026-04-20 08:15:13

Control Hijack (hard)

Time of First Successful Submission: 2026-04-20 17:11:26

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-04-21 07:38:01

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-04-21 07:46:31

PIEs (easy)

Time of First Successful Submission: 2026-04-21 14:13:30

PIEs (hard)

Time of First Successful Submission: 2026-04-21 15:02:16

String Lengths (easy)

Time of First Successful Submission: 2026-04-21 15:41:28

String Lengths (hard)

Time of First Successful Submission: 2026-04-21 15:45:00

Basic Shellcode

Time of First Successful Submission: 2026-04-22 10:19:33

NOP Sleds

Time of First Successful Submission: 2026-04-22 10:35:34

NULL-Free Shellcode

Time of First Successful Submission: 2026-04-22 10:36:20

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-04-22 10:49:40

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-04-22 10:54:45

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-04-22 12:16:36

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-04-22 14:30:44

ECB-to-Win (easy)

Time of First Successful Submission: 2026-04-23 06:26:12

ECB-to-Win (hard)

Time of First Successful Submission: 2026-04-23 06:37:48

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-04-23 06:43:51

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-04-23 09:42:33

CIMG Screenshots

Time of First Successful Submission: 2026-04-23 17:51:33

CIMG Screenshots 2

Time of First Successful Submission: 2026-04-24 07:17:45

Wily Webserver

Time of First Successful Submission: 2026-04-25 07:32:45

The Watering Hole

Time of First Successful Submission: 2026-04-25 09:02:44

Secure Chat 1

Time of First Successful Submission: 2026-04-26 16:13:26

Secure Chat 2

Time of First Successful Submission: 2026-04-28 07:54:01

Secure Chat 3

Time of First Successful Submission: 2026-04-28 19:17:55

Secure Chat 4

Time of First Successful Submission: 2026-04-29 14:51:27

Secure Chat 5

Time of First Successful Submission: 2026-04-30 03:09:10

Program Security

159 / 159 158 / 10346

ello ackers!

Time of First Successful Submission: 2026-04-30 06:34:48

Syscall Smuggler

Time of First Successful Submission: 2026-04-30 07:53:47

Syscall Shenanigans

Time of First Successful Submission: 2026-04-30 08:02:38

Byte Budget

Time of First Successful Submission: 2026-04-30 09:40:44

ClobberCode

Time of First Successful Submission: 2026-04-30 09:46:39

Diverse Delivery

Time of First Successful Submission: 2026-04-30 09:53:35

Pocket Payload

Time of First Successful Submission: 2026-04-30 10:34:12

Micro Menace

Time of First Successful Submission: 2026-04-30 10:48:04

Login Leakage (Easy)

Time of First Successful Submission: 2026-05-01 05:11:17

Login Leakage (Hard)

Time of First Successful Submission: 2026-05-01 05:26:08

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-05-01 05:44:39

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-05-01 05:55:52

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-05-01 06:34:02

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-05-03 14:23:26

Pointer Problems (Easy)

Time of First Successful Submission: 2026-05-05 07:41:34

Pointer Problems (Hard)

Time of First Successful Submission: 2026-05-05 07:50:42

Anomalous Array (Easy)

Time of First Successful Submission: 2026-05-05 08:29:59

Anomalous Array (Hard)

Time of First Successful Submission: 2026-05-05 08:31:30

Now you got it (Easy)

Time of First Successful Submission: 2026-05-05 08:59:00

Now you got it (Hard)

Time of First Successful Submission: 2026-05-05 10:36:41

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-05-06 16:51:56

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-05-06 16:59:21

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-05-07 07:34:10

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-05-07 07:35:33

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-05-07 09:38:55

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-05-07 09:42:12

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-05-07 13:24:53

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-05-07 13:27:35

Latent Leak (Easy)

Time of First Successful Submission: 2026-05-07 14:26:56

Latent Leak (Hard)

Time of First Successful Submission: 2026-05-07 14:29:38

Fork Foolery (Easy)

Time of First Successful Submission: 2026-05-07 16:59:53

Fork Foolery (Hard)

Time of First Successful Submission: 2026-05-07 17:22:02

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-05-08 08:26:57

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-05-08 08:32:31

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-05-08 08:39:43

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-05-08 08:43:30

Can It Fizz?

Time of First Successful Submission: 2026-05-08 19:45:47

Does It Buzz?

Time of First Successful Submission: 2026-05-09 12:43:44

Make It FizzBuzz

Time of First Successful Submission: 2026-05-09 17:07:56

Terrible Token (Easy)

Time of First Successful Submission: 2026-05-11 08:21:57

Terrible Token (Hard)

Time of First Successful Submission: 2026-05-11 08:40:46

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-05-11 09:33:18

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-05-11 11:56:05

Bit Bender

Time of First Successful Submission: 2026-05-11 12:35:59

Substitution Sorcery

Time of First Successful Submission: 2026-05-11 12:42:31

Meager Mangler (Easy)

Time of First Successful Submission: 2026-05-11 13:20:31

Meager Mangler (Hard)

Time of First Successful Submission: 2026-05-11 13:39:25

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-05-11 13:51:25

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-05-12 05:26:29

Patched Up (Easy)

Time of First Successful Submission: 2026-05-12 06:41:02

Patched Up (Hard)

Time of First Successful Submission: 2026-05-12 06:55:43

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-05-12 07:28:00

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-05-12 07:31:52

Patch Perfect (Easy)

Time of First Successful Submission: 2026-05-12 08:03:34

Patch Perfect (Hard)

Time of First Successful Submission: 2026-05-12 08:13:32

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-05-13 09:31:43

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-05-13 10:22:09

Know the Yancode (Easy)

Time of First Successful Submission: 2026-05-13 10:25:56

Know the Yancode (Hard)

Time of First Successful Submission: 2026-05-13 11:00:19

Master the Yancode (Easy)

Time of First Successful Submission: 2026-05-13 11:07:26

Master the Yancode (Hard)

Time of First Successful Submission: 2026-05-13 11:24:45

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-05-13 11:30:15

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-05-13 11:36:34

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-05-13 13:40:00

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-05-13 16:16:21

The Yangler (Easy)

Time of First Successful Submission: 2026-05-14 06:24:22

The Yangler (Hard)

Time of First Successful Submission: 2026-05-14 08:03:06

Yancraft (Easy)

Time of First Successful Submission: 2026-05-14 09:57:51

Yancraft (Hard)

Time of First Successful Submission: 2026-05-14 10:31:05

Yansanity (Easy)

Time of First Successful Submission: 2026-05-15 16:53:55

Yansanity (Hard)

Time of First Successful Submission: 2026-05-15 17:44:29

When the Cow Says Moo

Time of First Successful Submission: 2026-05-17 07:02:58

Predictable Migration

Time of First Successful Submission: 2026-05-17 08:06:16

Hashing Heifers

Time of First Successful Submission: 2026-05-17 08:31:22

Salty Stampede

Time of First Successful Submission: 2026-05-17 10:06:05

Loose Link (Easy)

Time of First Successful Submission: 2026-03-23 08:08:44

Loose Link (Hard)

Time of First Successful Submission: 2026-05-17 13:59:13

Call Chain (Easy)

Time of First Successful Submission: 2026-05-18 05:26:42

Call Chain (Hard)

Time of First Successful Submission: 2026-05-18 05:48:44

Chain of Command (Easy)

Time of First Successful Submission: 2026-05-18 06:15:22

Chain of Command (Hard)

Time of First Successful Submission: 2026-05-18 06:26:58

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-05-18 06:40:31

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-05-18 09:11:11

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-05-18 14:12:03

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-05-18 14:13:45

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-05-18 14:19:48

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-05-18 14:21:04

Leaky Libc (Easy)

Time of First Successful Submission: 2026-05-18 14:23:26

Leaky Libc (Hard)

Time of First Successful Submission: 2026-05-18 14:24:03

Putsception (Easy)

Time of First Successful Submission: 2026-05-19 06:38:30

Putsception (Hard)

Time of First Successful Submission: 2026-05-19 06:38:52

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-05-20 11:16:42

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-05-20 11:18:58

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-05-21 12:05:19

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-05-21 12:10:24

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-05-21 12:15:22

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-05-21 12:17:19

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-05-21 18:04:53

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-05-21 17:59:54

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-05-25 13:31:19

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-05-25 15:02:36

ROP Roulette (Easy)

Time of First Successful Submission: 2026-05-29 17:47:43

ROP Roulette (Hard)

Time of First Successful Submission: 2026-05-29 18:48:51

Libc Lottery (Easy)

Time of First Successful Submission: 2026-05-30 16:17:31

Libc Lottery (Hard)

Time of First Successful Submission: 2026-05-30 16:19:23

Freebie (Easy)

Time of First Successful Submission: 2026-06-01 07:36:21

Freebie (Hard)

Time of First Successful Submission: 2026-06-01 07:49:41

Freebin Feint (Easy)

Time of First Successful Submission: 2026-06-01 07:51:38

Freebin Feint (Hard)

Time of First Successful Submission: 2026-06-01 08:02:12

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-06-01 08:06:04

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-06-01 08:12:15

Fickle Free (Easy)

Time of First Successful Submission: 2026-06-01 08:29:58

Fickle Free (Hard)

Time of First Successful Submission: 2026-06-01 08:33:14

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-06-01 09:41:09

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-06-01 10:00:20

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-06-01 10:15:57

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-06-02 06:33:06

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-06-02 06:58:40

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-06-10 06:49:19

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-06-10 07:41:12

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-06-10 07:48:14

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-06-10 07:58:28

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-06-10 07:59:14

Sus Sequence (Easy)

Time of First Successful Submission: 2026-06-10 08:11:34

Sus Sequence (Hard)

Time of First Successful Submission: 2026-06-10 08:14:40

Echo Emanations (Easy)

Time of First Successful Submission: 2026-06-10 09:40:39

Echo Emanations (Hard)

Time of First Successful Submission: 2026-06-10 09:44:26

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-06-10 16:11:19

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-06-10 16:18:31

Stack Summoning (Easy)

Time of First Successful Submission: 2026-06-11 17:24:50

Stack Summoning (Hard)

Time of First Successful Submission: 2026-06-11 18:11:18

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-06-24 13:53:03

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-06-24 14:29:11

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-06-24 16:05:38

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-06-24 16:08:37

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-06-25 17:32:10

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-06-25 18:30:31

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-06-26 15:59:28

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-06-26 16:12:49

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-07-04 13:42:46

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-07-15 10:31:07

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-07-15 13:42:52

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-07-15 13:46:31

Tcache Terror (Easy)

Time of First Successful Submission: 2026-07-16 13:44:50

Tcache Terror (Hard)

Time of First Successful Submission: 2026-07-16 13:59:08

Containment Composition (Easy)

Time of First Successful Submission: 2026-07-17 16:09:47

Containment Composition (Hard)

Time of First Successful Submission: 2026-07-17 17:06:38

Constant Corruption (Easy)

Time of First Successful Submission: 2026-07-18 14:24:33

Constant Corruption (Hard)

Time of First Successful Submission: 2026-07-18 14:27:39

Return to YanLand (Easy)

Time of First Successful Submission: 2026-07-20 17:12:53

Return to YanLand (Hard)

Time of First Successful Submission: 2026-07-20 17:32:13

Escape from YanLand (Easy)

Time of First Successful Submission: 2026-07-20 19:05:34

Escape from YanLand (Hard)

Time of First Successful Submission: 2026-07-20 19:17:24

The YanFilter (Easy)

Time of First Successful Submission: 2026-07-21 09:30:30

The YanFilter (Hard)

Time of First Successful Submission: 2026-07-21 13:40:58

The Great YanFilter (Easy)

Time of First Successful Submission: 2026-07-21 17:34:14

The Great YanFilter (Hard)

Time of First Successful Submission: 2026-07-21 17:43:42

Yan85 Reborn (Easy)

Time of First Successful Submission: 2026-07-22 14:45:39

Yan85 Reborn (Hard)

Time of First Successful Submission: 2026-07-22 15:18:33

System Security

76 / 93 305 / 3697

chroot-escape-basic

Time of First Successful Submission: 2026-07-23 13:18:55

chroot-shellcode

Time of First Successful Submission: 2026-07-23 13:28:59

chroot-proper

Time of First Successful Submission: 2026-07-23 13:44:58

seccomp-basic

Time of First Successful Submission: 2026-07-24 12:18:58

seccomp-linkat

Time of First Successful Submission: 2026-07-24 12:32:44

seccomp-fchdir

Time of First Successful Submission: 2026-07-24 12:36:39

seccomp-rechroot

Time of First Successful Submission: 2026-07-24 12:41:25

seccomp-only

Time of First Successful Submission: 2026-07-24 12:46:26

seccomp-arch32

Time of First Successful Submission: 2026-07-24 14:45:09

seccomp-minimal

Time of First Successful Submission: 2026-07-24 15:24:46

seccomp-timebased

Time of First Successful Submission: 2026-07-24 15:58:05

seccomp-readonly

Time of First Successful Submission: 2026-07-24 16:16:16

process-isolation

Time of First Successful Submission: 2026-07-24 16:20:40

mount-namespace

Time of First Successful Submission: 2026-07-25 06:55:44

mount-cleanup

Time of First Successful Submission: 2026-07-25 07:00:03

mount-readonly

Time of First Successful Submission: 2026-07-25 07:24:05

mount-shellcode

Time of First Successful Submission: 2026-07-25 07:27:21

mount-bindmount

Time of First Successful Submission: 2026-07-25 07:40:57

level1.0

Time of First Successful Submission: 2026-07-25 08:02:06

level1.1

Time of First Successful Submission: 2026-07-25 08:09:25

level2.0

Time of First Successful Submission: 2026-07-25 08:11:10

level2.1

Time of First Successful Submission: 2026-07-25 08:11:38

level3.0

Time of First Successful Submission: 2026-07-26 13:24:07

level3.1

Time of First Successful Submission: 2026-07-26 13:24:35

level4.0

Time of First Successful Submission: 2026-07-26 13:28:35

level4.1

Time of First Successful Submission: 2026-07-26 13:29:45

level5.0

Time of First Successful Submission: 2026-07-26 14:29:56

level5.1

Time of First Successful Submission: 2026-07-26 14:56:39

level6.0

Time of First Successful Submission: 2026-07-27 10:08:52

level6.1

Time of First Successful Submission: 2026-07-27 10:10:10

level7.0

Time of First Successful Submission: 2026-07-27 12:26:05

level7.1

Time of First Successful Submission: 2026-07-27 12:13:26

level8.0

Time of First Successful Submission: 2026-07-27 13:42:00

level8.1

Time of First Successful Submission: 2026-07-27 13:37:02

level9.0

Time of First Successful Submission: 2026-07-27 16:18:12

level9.1

Time of First Successful Submission: 2026-07-27 16:52:03

level10.0

Time of First Successful Submission: 2026-07-28 04:17:17

level10.1

Time of First Successful Submission: 2026-07-28 04:20:05

level11.0

Time of First Successful Submission: 2026-07-28 04:22:50

level11.1

Time of First Successful Submission: 2026-07-28 04:23:41

level1.0

Time of First Successful Submission: 2026-07-31 15:32:52

level1.1

Time of First Successful Submission: 2026-07-31 15:40:38

level2.0

Time of First Successful Submission: 2026-08-01 05:24:04

level2.1

Time of First Successful Submission: 2026-08-01 05:33:49

level3.0

Time of First Successful Submission: 2026-08-01 05:37:13

level3.1

Time of First Successful Submission: 2026-08-01 05:39:58

level4.0

Time of First Successful Submission: 2026-08-01 05:49:35

level4.1

Time of First Successful Submission: 2026-08-01 05:50:51

level5.0

Time of First Successful Submission: 2026-08-01 06:29:31

level5.1

Time of First Successful Submission: 2026-08-01 06:31:35

level6.0

Time of First Successful Submission: 2026-08-01 08:20:01

level6.1

Time of First Successful Submission: 2026-08-01 08:47:22

level7.0

Time of First Successful Submission: 2026-08-01 15:20:05

level7.1

Time of First Successful Submission: 2026-08-01 15:20:47

level8.0

Time of First Successful Submission: 2026-08-02 16:43:29

level8.1

Time of First Successful Submission: 2026-08-02 16:44:44

level9.0

Time of First Successful Submission: 2026-08-03 12:34:24

level9.1

Time of First Successful Submission: 2026-08-03 13:35:40

level10.0

Time of First Successful Submission: 2026-08-03 14:47:14

level10.1

Time of First Successful Submission: 2026-08-03 14:51:11

level11.0

Time of First Successful Submission: 2026-08-03 17:06:52

level11.1

Time of First Successful Submission: 2026-08-03 17:07:57

level12.0

Time of First Successful Submission: 2026-08-05 16:17:07

level12.1

Time of First Successful Submission: 2026-08-05 16:41:38

Baby Spectre 1

Time of First Successful Submission: 2026-08-09 12:54:46

Baby Spectre 2

Time of First Successful Submission: 2026-08-10 11:02:55

Baby Spectre 3

Time of First Successful Submission: 2026-08-10 17:52:12

Baby Spectre 4

Time of First Successful Submission: 2026-08-11 06:32:21

Baby Spectre 5

Time of First Successful Submission: 2026-08-11 09:13:00

Prefetch Peek

Time of First Successful Submission: 2026-08-13 09:43:50

Spooky Spectre 1

Time of First Successful Submission: 2026-08-15 06:41:29

Spooky Spectre 2

Time of First Successful Submission: 2026-08-16 12:02:49

Yan85 Reloaded

Time of First Successful Submission: 2026-08-17 11:34:03

Ghost in the YPU 1

Time of First Successful Submission: 2026-08-18 13:47:34

Ghost in the YPU 2

Time of First Successful Submission: 2026-08-19 16:54:04

Molten Access

Time of First Successful Submission: 2026-08-20 14:11:27

Molten Walk

Time of First Successful Submission: 2026-08-20 15:17:24

Start Here

10 / 10 9569 / 56753

Using the Terminal

Time of First Successful Submission: 2026-03-06 05:52:59

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-06 05:54:29

Using the GUI Desktop

Time of First Successful Submission: 2026-03-06 05:57:23

Pasting into the Desktop

Time of First Successful Submission: 2026-03-06 05:58:05

Restarting Challenges

Time of First Successful Submission: 2026-03-06 06:01:03

Challenge Programs

Time of First Successful Submission: 2026-03-06 06:08:47

The Flag File

Time of First Successful Submission: 2026-03-06 06:13:09

Using Privileged Mode

Time of First Successful Submission: 2026-03-06 06:23:26

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-06 06:24:36

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-06 06:24:57

Linux Luminarium

128 / 128 2404 / 41531

Intro to Commands

Time of First Successful Submission: 2026-03-07 04:10:14

Intro to Arguments

Time of First Successful Submission: 2026-03-07 04:11:58

Command History

Time of First Successful Submission: 2026-03-07 04:12:44

The Root

Time of First Successful Submission: 2026-03-08 11:04:48

Program and absolute paths

Time of First Successful Submission: 2026-03-08 11:09:35

Position thy self

Time of First Successful Submission: 2026-03-08 11:10:28

Position elsewhere

Time of First Successful Submission: 2026-03-08 11:13:23

implicit relative paths, from /

Time of First Successful Submission: 2026-03-08 11:14:17

explicit relative paths, from /

Time of First Successful Submission: 2026-03-08 11:14:52

implicit relative path

Time of First Successful Submission: 2026-03-08 11:15:30

home sweet home

Time of First Successful Submission: 2026-03-08 11:21:59

cat: not the pet, but the command!

Time of First Successful Submission: 2026-03-08 11:22:48

catting absolute paths

Time of First Successful Submission: 2026-03-08 11:23:24

more catting practice

Time of First Successful Submission: 2026-03-08 11:25:22

grepping for a needle in a haystack

Time of First Successful Submission: 2026-03-08 11:26:07

comparing files

Time of First Successful Submission: 2026-03-08 11:27:06

listing files

Time of First Successful Submission: 2026-03-08 11:27:51

touching files

Time of First Successful Submission: 2026-03-08 11:28:16

removing files

Time of First Successful Submission: 2026-03-08 11:28:40

moving files

Time of First Successful Submission: 2026-03-08 11:30:26

copying files

Time of First Successful Submission: 2026-03-08 11:31:08

hidden files

Time of First Successful Submission: 2026-03-08 11:31:35

An Epic Filesystem Quest

Time of First Successful Submission: 2026-03-08 11:37:40

making directories

Time of First Successful Submission: 2026-03-08 11:38:24

finding files

Time of First Successful Submission: 2026-03-08 11:43:26

linking files

Time of First Successful Submission: 2026-03-08 11:46:12

Learning From Documentation

Time of First Successful Submission: 2026-03-08 12:32:45

Learning Complex Usage

Time of First Successful Submission: 2026-03-08 12:33:35

Reading Manuals

Time of First Successful Submission: 2026-03-08 12:35:18

Searching Manuals

Time of First Successful Submission: 2026-03-08 12:35:54

Searching For Manuals

Time of First Successful Submission: 2026-03-08 12:37:05

Helpful Programs

Time of First Successful Submission: 2026-03-08 12:37:44

Help for Builtins

Time of First Successful Submission: 2026-03-08 12:38:17

Matching with *

Time of First Successful Submission: 2026-03-08 20:27:32

Matching with ?

Time of First Successful Submission: 2026-03-08 20:29:18

Matching with []

Time of First Successful Submission: 2026-03-08 20:30:04

Matching paths with []

Time of First Successful Submission: 2026-03-08 20:30:53

Multiple globs

Time of First Successful Submission: 2026-03-08 20:31:49

Mixing globs

Time of First Successful Submission: 2026-03-08 20:36:04

Exclusionary globbing

Time of First Successful Submission: 2026-03-08 20:37:33

Tab completion

Time of First Successful Submission: 2026-03-08 20:38:31

Multiple options for tab completion

Time of First Successful Submission: 2026-03-08 20:40:35

Tab completion on commands

Time of First Successful Submission: 2026-03-08 20:40:49

Redirecting output

Time of First Successful Submission: 2026-03-09 18:29:46

Redirecting more output

Time of First Successful Submission: 2026-03-09 18:41:45

Appending output

Time of First Successful Submission: 2026-03-09 18:42:52

Redirecting errors

Time of First Successful Submission: 2026-03-09 18:43:37

Redirecting input

Time of First Successful Submission: 2026-03-09 18:45:52

Grepping stored results

Time of First Successful Submission: 2026-03-09 18:47:35

Grepping live output

Time of First Successful Submission: 2026-03-09 18:47:52

Grepping errors

Time of First Successful Submission: 2026-03-09 18:48:34

Filtering with grep -v

Time of First Successful Submission: 2026-03-09 18:49:02

Filtering with sed

Time of First Successful Submission: 2026-03-09 18:50:02

Duplicating piped data with tee

Time of First Successful Submission: 2026-03-09 18:51:52

Process substitution for input

Time of First Successful Submission: 2026-03-09 18:54:44

Writing to multiple programs

Time of First Successful Submission: 2026-03-09 18:57:07

Split-piping stderr and stdout

Time of First Successful Submission: 2026-03-09 19:00:24

Named pipes

Time of First Successful Submission: 2026-03-09 19:08:24

Printing Variables

Time of First Successful Submission: 2026-03-11 06:13:17

Setting Variables

Time of First Successful Submission: 2026-03-11 06:13:40

Multi-word Variables

Time of First Successful Submission: 2026-03-11 06:14:13

Exporting Variables

Time of First Successful Submission: 2026-03-11 06:20:46

Printing Exported Variables

Time of First Successful Submission: 2026-03-11 06:21:17

Storing Command Output

Time of First Successful Submission: 2026-03-11 06:22:21

Reading Input

Time of First Successful Submission: 2026-03-11 06:23:26

Reading Files

Time of First Successful Submission: 2026-03-11 06:25:05

Translating characters

Time of First Successful Submission: 2026-03-07 04:16:02

Deleting characters

Time of First Successful Submission: 2026-03-07 04:16:33

Deleting newlines

Time of First Successful Submission: 2026-03-07 04:16:55

Extracting the first lines with head

Time of First Successful Submission: 2026-03-07 04:18:08

Extracting specific sections of text

Time of First Successful Submission: 2026-03-07 04:19:21

Sorting data

Time of First Successful Submission: 2026-03-07 04:20:54

Listing Processes

Time of First Successful Submission: 2026-03-11 07:24:27

Killing Processes

Time of First Successful Submission: 2026-03-11 07:32:14

Interrupting Processes

Time of First Successful Submission: 2026-03-11 07:33:18

Killing Misbehaving Processes

Time of First Successful Submission: 2026-03-11 07:35:12

Suspending Processes

Time of First Successful Submission: 2026-03-11 07:35:52

Resuming Processes

Time of First Successful Submission: 2026-03-11 07:37:16

Backgrounding Processes

Time of First Successful Submission: 2026-03-11 07:38:42

Foregrounding Processes

Time of First Successful Submission: 2026-03-11 07:41:51

Starting Backgrounded Processes

Time of First Successful Submission: 2026-03-11 07:42:16

Process Exit Codes

Time of First Successful Submission: 2026-03-11 07:44:53

Becoming root with su

Time of First Successful Submission: 2026-03-11 08:13:51

Other users with su

Time of First Successful Submission: 2026-03-11 08:14:20

Cracking passwords

Time of First Successful Submission: 2026-03-11 08:16:42

Using sudo

Time of First Successful Submission: 2026-03-11 08:18:27

Changing File Ownership

Time of First Successful Submission: 2026-03-11 08:21:06

Groups and Files

Time of First Successful Submission: 2026-03-11 08:23:01

Fun With Groups Names

Time of First Successful Submission: 2026-03-11 08:23:59

Changing Permissions

Time of First Successful Submission: 2026-03-11 08:25:23

Executable Files

Time of First Successful Submission: 2026-03-11 08:25:41

Permission Tweaking Practice

Time of First Successful Submission: 2026-03-11 08:27:22

Permissions Setting Practice

Time of First Successful Submission: 2026-03-11 12:04:48

The SUID Bit

Time of First Successful Submission: 2026-03-11 12:43:11

Chaining with Semicolons

Time of First Successful Submission: 2026-03-11 17:24:49

Building on Success

Time of First Successful Submission: 2026-03-12 07:30:29

Handling Failure

Time of First Successful Submission: 2026-03-12 07:30:48

Your First Shell Script

Time of First Successful Submission: 2026-03-12 07:32:10

Redirecting Script Output

Time of First Successful Submission: 2026-03-12 07:33:57

Executable Shell Scripts

Time of First Successful Submission: 2026-03-12 07:34:55

Understanding Shebangs

Time of First Successful Submission: 2026-03-12 07:39:00

Scripting with Arguments

Time of First Successful Submission: 2026-03-12 07:39:33

Scripting with Conditionals

Time of First Successful Submission: 2026-03-12 07:40:45

Scripting with Default Cases

Time of First Successful Submission: 2026-03-12 07:41:15

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-03-12 07:42:22

Reading Shell Scripts

Time of First Successful Submission: 2026-03-12 07:43:03

Launching Screen

Time of First Successful Submission: 2026-03-12 07:46:33

Detaching and Attaching

Time of First Successful Submission: 2026-03-12 07:47:53

Finding Sessions

Time of First Successful Submission: 2026-03-12 07:49:02

Switching Windows

Time of First Successful Submission: 2026-03-12 07:50:27

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-03-12 07:51:19

Switching Windows (tmux)

Time of First Successful Submission: 2026-03-12 07:51:57

The PATH Variable

Time of First Successful Submission: 2026-03-12 07:55:54

Setting PATH

Time of First Successful Submission: 2026-03-12 07:57:27

Finding Commands

Time of First Successful Submission: 2026-03-12 07:58:21

Adding Commands

Time of First Successful Submission: 2026-03-12 08:02:03

Hijacking Commands

Time of First Successful Submission: 2026-03-12 08:03:14

Bashrc Backdoor

Time of First Successful Submission: 2026-03-12 08:05:01

Sniffing Input

Time of First Successful Submission: 2026-03-12 08:11:51

Overshared Directories

Time of First Successful Submission: 2026-03-12 08:18:40

Tricky Linking

Time of First Successful Submission: 2026-03-12 08:22:23

Sniffing Process Arguments

Time of First Successful Submission: 2026-03-12 08:23:50

Snooping on Configurations

Time of First Successful Submission: 2026-03-12 08:26:09

The Fork Bomb

Time of First Successful Submission: 2026-03-12 08:30:01

Disk-Space Doomsday

Time of First Successful Submission: 2026-03-12 08:33:16

rm -rf /

Time of First Successful Submission: 2026-03-12 08:41:09

Life after rm -rf /

Time of First Successful Submission: 2026-03-12 08:43:11

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-03-12 08:48:44

Computing 101

120 / 132 290 / 22219

Your First Register

Time of First Successful Submission: 2026-03-13 03:02:02

Your First Syscall

Time of First Successful Submission: 2026-03-13 05:32:57

Exit Codes

Time of First Successful Submission: 2026-03-13 05:36:07

Building Executables

Time of First Successful Submission: 2026-03-13 05:41:11

Moving Between Registers

Time of First Successful Submission: 2026-03-16 05:24:50

Loading From Memory

Time of First Successful Submission: 2026-03-16 06:06:24

More Loading Practice

Time of First Successful Submission: 2026-03-16 11:01:46

Dereferencing Pointers

Time of First Successful Submission: 2026-03-16 11:20:38

Dereferencing Yourself

Time of First Successful Submission: 2026-03-16 11:29:40

Dereferencing with Offsets

Time of First Successful Submission: 2026-03-16 11:31:30

Stored Addresses

Time of First Successful Submission: 2026-03-16 11:33:57

Double Dereference

Time of First Successful Submission: 2026-03-16 11:35:25

The Stack

Time of First Successful Submission: 2026-03-16 11:40:50

Stack Offsets

Time of First Successful Submission: 2026-03-16 11:41:45

Program Arguments on the Stack

Time of First Successful Submission: 2026-03-16 11:42:56

Popping From the Stack

Time of First Successful Submission: 2026-03-16 11:44:58

Negative Numbers

Time of First Successful Submission: 2026-07-23 12:26:47

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-07-23 12:27:51

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-07-23 12:28:55

Encoding Negatives

Time of First Successful Submission: 2026-07-23 12:32:26

Binary and Hex Encoding

Time of First Successful Submission: 2026-07-23 12:33:30

More Hex

Time of First Successful Submission: 2026-07-23 12:34:02

Decoding Hex

Time of First Successful Submission: 2026-07-23 12:34:38

Mixed Conversions

Time of First Successful Submission: 2026-07-23 12:37:21

Disassembling Programs

Time of First Successful Submission: 2026-03-17 03:00:02

Tracing Syscalls

Time of First Successful Submission: 2026-03-17 05:39:08

Starting GDB

Time of First Successful Submission: 2026-03-17 05:54:39

Quitting GDB

Time of First Successful Submission: 2026-03-17 07:01:30

Starting Programs in GDB

Time of First Successful Submission: 2026-03-17 07:15:18

Disassembling in GDB

Time of First Successful Submission: 2026-03-17 07:18:16

Stepping Through Instructions

Time of First Successful Submission: 2026-03-17 07:21:41

Reading Register Values

Time of First Successful Submission: 2026-03-17 07:22:26

Setting Register Values

Time of First Successful Submission: 2026-07-23 07:10:38

Popping Stack Values

Time of First Successful Submission: 2026-03-17 07:24:03

Examining Memory

Time of First Successful Submission: 2026-03-17 07:25:00

Examining Stack Pointers

Time of First Successful Submission: 2026-03-17 07:27:08

Cooperative Debugging

Time of First Successful Submission: 2026-03-17 07:35:53

Running with Arguments

Time of First Successful Submission: 2026-07-23 07:11:03

Redirecting Input in GDB

Time of First Successful Submission: 2026-07-23 07:11:50

Writing Output

Time of First Successful Submission: 2026-03-17 08:53:16

Chaining Syscalls

Time of First Successful Submission: 2026-03-17 08:54:44

Writing Strings

Time of First Successful Submission: 2026-03-17 08:57:21

Reading Data

Time of First Successful Submission: 2026-03-17 09:02:09

Reading Exactly

Time of First Successful Submission: 2026-07-23 08:23:12

Opening Files

Time of First Successful Submission: 2026-03-17 09:07:20

Hardcoding the Filename

Time of First Successful Submission: 2026-03-17 09:14:08

RIP-Relative Strings

Time of First Successful Submission: 2026-07-23 10:50:42

Comparing Values

Time of First Successful Submission: 2026-03-18 05:47:14

Comparing Characters

Time of First Successful Submission: 2026-03-18 05:53:21

Conditional Control Flow

Time of First Successful Submission: 2026-03-18 06:25:02

Comparing Strings

Time of First Successful Submission: 2026-03-18 06:50:30

Reverse the Password

Time of First Successful Submission: 2026-03-18 07:00:19

Conditionals Without Conditionals

Time of First Successful Submission: 2026-03-18 09:07:12

Recognizing Loops

Time of First Successful Submission: 2026-03-18 10:54:21

Writing Loops

Time of First Successful Submission: 2026-07-23 10:58:43

Writing From a Shared Library

Time of First Successful Submission: 2026-07-23 11:08:37

Returning a Value

Time of First Successful Submission: 2026-07-23 11:11:09

Calling Through a Pointer

Time of First Successful Submission: 2026-07-23 11:12:08

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-07-23 11:13:06

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-07-23 11:22:20

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-07-23 11:28:19

Sign Extension

Time of First Successful Submission: 2026-07-23 11:36:13

Little-Endian Bytes

Time of First Successful Submission: 2026-07-23 11:39:36

Qword by Qword

Time of First Successful Submission: 2026-07-23 11:41:59

Dword by Dword

Time of First Successful Submission: 2026-07-23 11:50:51

Word by Word

Time of First Successful Submission: 2026-07-23 11:52:35

Byte by Byte

Time of First Successful Submission: 2026-07-23 11:55:03

Cracking a Struct

Time of First Successful Submission: 2026-07-23 12:06:18

Scrambled Struct

Time of First Successful Submission: 2026-07-23 12:19:56

Reverse the Calculation

Time of First Successful Submission: 2026-03-19 05:43:12

Reverse the Reverse

Time of First Successful Submission: 2026-03-19 05:46:46

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-03-19 05:51:59

Even or Odd

Time of First Successful Submission: 2026-07-28 19:09:58

Masking Bits

Time of First Successful Submission: 2026-07-28 19:11:05

Lowercase a String

Time of First Successful Submission: 2026-07-28 19:12:26

Uppercase a String

Time of First Successful Submission: 2026-07-28 19:13:46

Swap Case

Time of First Successful Submission: 2026-07-28 19:17:05

Shifting Left

Time of First Successful Submission: 2026-07-28 19:18:03

Shifting Right

Time of First Successful Submission: 2026-07-28 19:18:56

Loops on Data

Time of First Successful Submission: 2026-03-19 05:57:55

A Single Digit

Time of First Successful Submission: 2026-07-23 12:43:26

Two Digits

Time of First Successful Submission: 2026-07-23 12:46:22

String to Integer

Time of First Successful Submission: 2026-07-23 12:48:56

Negative Numbers

Time of First Successful Submission: 2026-07-23 12:50:34

Where the Number Ends

Time of First Successful Submission: 2026-07-23 12:52:02

A Whole Program

Time of First Successful Submission: 2026-07-23 12:53:48

A Single Digit, Back to Text

Time of First Successful Submission: 2026-07-23 12:55:17

Divide and Remainder

Time of First Successful Submission: 2026-07-23 12:57:45

Drop the Leading Zero

Time of First Successful Submission: 2026-07-23 12:59:21

Integer to String

Time of First Successful Submission: 2026-07-23 13:00:34

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-07-23 13:02:58

Sum Them All

Time of First Successful Submission: 2026-07-23 13:03:49

Addition

Time of First Successful Submission: 2026-08-20 15:49:08

Subtraction

Time of First Successful Submission: 2026-08-20 15:51:22

Multiplication

Time of First Successful Submission: 2026-08-20 15:58:39

Bitwise Operators

Time of First Successful Submission: 2026-08-20 16:00:02

Unary Operators

Time of First Successful Submission: 2026-08-20 16:00:20

Literal Output

Time of First Successful Submission: 2026-08-20 16:03:58

Newline Escapes

Time of First Successful Submission: 2026-08-20 16:04:09

Escaped Syntax

Time of First Successful Submission: 2026-08-20 16:04:26

Decimal Markers

Time of First Successful Submission: 2026-08-20 16:04:43

Multiple Decimal Markers

Time of First Successful Submission: 2026-08-20 16:05:09

String Markers

Time of First Successful Submission: 2026-08-20 16:05:33

Hex Byte Escapes

Time of First Successful Submission: 2026-08-20 16:05:49

Debugging Programs

Time of First Successful Submission: 2026-03-23 02:34:06

Inspecting Registers

Time of First Successful Submission: 2026-03-23 02:37:00

Examining Memory

Time of First Successful Submission: 2026-03-23 02:45:56

Setting Breakpoints

Time of First Successful Submission: 2026-03-23 03:01:04

GDB Scripting

Time of First Successful Submission: 2026-03-23 06:30:37

Modifying Data

Time of First Successful Submission: 2026-03-23 07:23:16

Modifying Execution

Time of First Successful Submission: 2026-03-23 07:24:27

Broken Functions

Time of First Successful Submission: 2026-03-23 07:57:20

Exit

Time of First Successful Submission: 2026-03-20 08:28:18

Socket

Time of First Successful Submission: 2026-03-20 09:18:23

Bind

Time of First Successful Submission: 2026-03-20 17:48:23

Listen

Time of First Successful Submission: 2026-03-20 17:58:32

Accept

Time of First Successful Submission: 2026-03-20 18:01:11

Static Response

Time of First Successful Submission: 2026-03-20 19:06:27

Dynamic Response

Time of First Successful Submission: 2026-03-22 11:39:44

Iterative GET Server

Time of First Successful Submission: 2026-03-22 11:41:04

Concurrent GET Server

Time of First Successful Submission: 2026-03-22 11:51:06

Concurrent POST Server

Time of First Successful Submission: 2026-03-22 12:26:01

Web Server

Time of First Successful Submission: 2026-03-22 12:30:31

Playing With Programs

116 / 116 853 / 25082

What's the password?

Time of First Successful Submission: 2026-03-23 08:25:25

... and again!

Time of First Successful Submission: 2026-03-23 08:26:19

Newline Troubles

Time of First Successful Submission: 2026-03-23 08:28:22

Reasoning about files

Time of First Successful Submission: 2026-03-23 08:29:42

Specifying Filenames

Time of First Successful Submission: 2026-03-23 08:30:14

Binary and Hex Encoding

Time of First Successful Submission: 2026-03-23 08:41:51

More Hex

Time of First Successful Submission: 2026-03-23 08:42:29

Decoding Hex

Time of First Successful Submission: 2026-03-23 08:43:47

Decoding Practice

Time of First Successful Submission: 2026-03-23 08:49:21

Encoding Practice

Time of First Successful Submission: 2026-03-23 09:14:53

Hex-encoding ASCII

Time of First Successful Submission: 2026-03-23 09:34:46

Nested Encoding

Time of First Successful Submission: 2026-03-23 09:41:03

Hex-encoding UTF-8

Time of First Successful Submission: 2026-03-23 09:50:28

UTF Mixups

Time of First Successful Submission: 2026-03-23 09:56:24

Modifying Encoded Data

Time of First Successful Submission: 2026-03-23 11:06:42

Decoding Base64

Time of First Successful Submission: 2026-03-23 11:13:46

Encoding Base64

Time of First Successful Submission: 2026-03-23 11:14:37

Dealing with Obfuscation

Time of First Successful Submission: 2026-03-23 11:17:13

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-03-23 11:22:55

Your First HTTP Request

Time of First Successful Submission: 2026-03-24 11:18:07

Reading Flask

Time of First Successful Submission: 2026-03-24 15:04:44

Commented Data

Time of First Successful Submission: 2026-03-25 05:08:21

HTTP Metadata

Time of First Successful Submission: 2026-03-25 05:30:55

HTTP (netcat)

Time of First Successful Submission: 2026-03-25 05:49:40

HTTP Paths (netcat)

Time of First Successful Submission: 2026-03-25 06:13:10

HTTP (curl)

Time of First Successful Submission: 2026-03-25 06:26:57

HTTP (python)

Time of First Successful Submission: 2026-03-25 06:28:15

HTTP Host Header (python)

Time of First Successful Submission: 2026-03-25 06:41:19

HTTP Host Header (curl)

Time of First Successful Submission: 2026-03-25 07:31:07

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-03-25 07:32:56

URL Encoding (netcat)

Time of First Successful Submission: 2026-03-25 08:03:01

HTTP GET Parameters

Time of First Successful Submission: 2026-03-25 08:10:21

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-03-25 08:26:58

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-03-25 08:28:05

HTTP Forms

Time of First Successful Submission: 2026-03-25 08:30:38

HTTP Forms (curl)

Time of First Successful Submission: 2026-03-25 08:31:48

HTTP Forms (netcat)

Time of First Successful Submission: 2026-03-25 08:57:37

HTTP Forms (python)

Time of First Successful Submission: 2026-03-25 09:03:50

HTTP Forms Without Forms

Time of First Successful Submission: 2026-03-25 13:21:39

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-03-25 13:24:31

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-03-25 16:42:06

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-03-25 16:52:57

HTTP Redirects (curl)

Time of First Successful Submission: 2026-03-25 16:53:38

HTTP Redirects (python)

Time of First Successful Submission: 2026-03-25 16:55:42

HTTP Cookies (curl)

Time of First Successful Submission: 2026-03-25 16:57:45

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-03-25 17:28:25

HTTP Cookies (python)

Time of First Successful Submission: 2026-03-25 17:30:03

Server State (python)

Time of First Successful Submission: 2026-03-26 15:33:55

Listening Web

Time of First Successful Submission: 2026-03-26 15:38:09

Speaking Redirects

Time of First Successful Submission: 2026-03-26 16:22:49

JavaScript Redirects

Time of First Successful Submission: 2026-03-26 16:27:35

Including JavaScript

Time of First Successful Submission: 2026-03-26 16:37:34

HTTP (javascript)

Time of First Successful Submission: 2026-03-26 16:46:47

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-03-26 16:54:43

HTTP Forms (javascript)

Time of First Successful Submission: 2026-03-26 17:06:54

cat

Time of First Successful Submission: 2026-03-27 05:33:33

more

Time of First Successful Submission: 2026-03-27 05:36:22

less

Time of First Successful Submission: 2026-03-27 05:40:09

tail

Time of First Successful Submission: 2026-03-27 05:41:43

head

Time of First Successful Submission: 2026-03-27 05:42:03

sort

Time of First Successful Submission: 2026-03-27 05:43:45

vim

Time of First Successful Submission: 2026-03-27 05:45:21

emacs

Time of First Successful Submission: 2026-03-27 05:59:06

nano

Time of First Successful Submission: 2026-03-27 05:59:30

rev

Time of First Successful Submission: 2026-03-27 05:59:53

od

Time of First Successful Submission: 2026-03-27 06:10:33

hd

Time of First Successful Submission: 2026-03-27 06:21:54

xxd

Time of First Successful Submission: 2026-03-27 06:25:42

base32

Time of First Successful Submission: 2026-03-27 06:29:52

base64

Time of First Successful Submission: 2026-03-27 06:30:18

split

Time of First Successful Submission: 2026-03-27 06:34:56

gzip

Time of First Successful Submission: 2026-03-27 06:38:43

bzip2

Time of First Successful Submission: 2026-03-27 06:39:35

zip

Time of First Successful Submission: 2026-03-27 06:48:09

tar

Time of First Successful Submission: 2026-03-27 06:56:22

ar

Time of First Successful Submission: 2026-03-27 07:06:03

cpio

Time of First Successful Submission: 2026-03-27 07:09:08

genisoimage

Time of First Successful Submission: 2026-03-27 07:25:17

env

Time of First Successful Submission: 2026-03-28 14:45:27

find

Time of First Successful Submission: 2026-03-28 15:49:07

make

Time of First Successful Submission: 2026-03-28 15:50:10

nice

Time of First Successful Submission: 2026-03-28 15:50:32

timeout

Time of First Successful Submission: 2026-03-28 15:51:13

stdbuf

Time of First Successful Submission: 2026-03-28 15:52:08

setarch

Time of First Successful Submission: 2026-03-28 15:53:47

watch

Time of First Successful Submission: 2026-03-28 15:54:25

socat

Time of First Successful Submission: 2026-03-28 15:55:28

whiptail

Time of First Successful Submission: 2026-03-28 15:57:03

awk

Time of First Successful Submission: 2026-03-28 16:02:30

sed

Time of First Successful Submission: 2026-03-28 16:02:45

ed

Time of First Successful Submission: 2026-03-28 16:03:46

chown

Time of First Successful Submission: 2026-03-28 16:04:11

chmod

Time of First Successful Submission: 2026-03-28 16:04:29

cp

Time of First Successful Submission: 2026-03-28 16:05:00

mv

Time of First Successful Submission: 2026-03-28 16:48:29

perl

Time of First Successful Submission: 2026-03-28 16:52:38

python

Time of First Successful Submission: 2026-03-28 16:53:52

ruby

Time of First Successful Submission: 2026-03-28 16:55:15

bash

Time of First Successful Submission: 2026-03-28 16:58:25

date

Time of First Successful Submission: 2026-03-28 17:01:59

dmesg

Time of First Successful Submission: 2026-03-28 17:02:36

wc

Time of First Successful Submission: 2026-03-28 17:04:01

gcc

Time of First Successful Submission: 2026-03-28 17:13:19

as

Time of First Successful Submission: 2026-03-28 17:13:37

wget

Time of First Successful Submission: 2026-03-28 17:21:51

ssh-keygen

Time of First Successful Submission: 2026-03-28 17:50:33

SQL Queries

Time of First Successful Submission: 2026-03-29 07:35:43

Filtering SQL

Time of First Successful Submission: 2026-03-29 07:37:16

Choosing Columns

Time of First Successful Submission: 2026-03-29 07:38:16

Exclusionary Filtering

Time of First Successful Submission: 2026-03-29 07:38:57

Filtering Strings

Time of First Successful Submission: 2026-03-29 07:40:34

Filtering on Expressions

Time of First Successful Submission: 2026-03-29 07:41:52

SELECTing Expressions

Time of First Successful Submission: 2026-03-29 07:57:37

Composite Conditions

Time of First Successful Submission: 2026-03-29 08:01:56

Reaching Your LIMITs

Time of First Successful Submission: 2026-03-30 12:30:02

Querying Metadata

Time of First Successful Submission: 2026-03-30 12:31:35

Arizona CTF 2025

2 / 23 274 / 869

Hijack Me!

Time of First Successful Submission: 2026-03-11 12:48:57

Expand Your Mind

Time of First Successful Submission: 2026-05-17 10:24:36

DSU Cyber Camps

12 / 104 1989 / 57135

Using the Terminal

Time of First Successful Submission: 2026-03-06 05:52:59

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-06 05:54:29

Using the GUI Desktop

Time of First Successful Submission: 2026-03-06 05:57:23

Pasting into the Desktop

Time of First Successful Submission: 2026-03-06 05:58:05

Connecting over SSH

Time of First Successful Submission: 2026-03-06 05:58:55

Restarting Challenges

Time of First Successful Submission: 2026-03-06 06:01:03

Getting Help

Time of First Successful Submission: 2026-03-06 06:02:59

Challenge Programs

Time of First Successful Submission: 2026-03-06 06:08:47

The Flag File

Time of First Successful Submission: 2026-03-06 06:13:09

Using Privileged Mode

Time of First Successful Submission: 2026-03-06 06:23:26

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-06 06:24:36

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-06 06:24:57

GCA CTF

12 / 104 1989 / 57136

Using the Terminal

Time of First Successful Submission: 2026-03-06 05:52:59

Using the VSCode Workspace

Time of First Successful Submission: 2026-03-06 05:54:29

Using the GUI Desktop

Time of First Successful Submission: 2026-03-06 05:57:23

Pasting into the Desktop

Time of First Successful Submission: 2026-03-06 05:58:05

Connecting over SSH

Time of First Successful Submission: 2026-03-06 05:58:55

Restarting Challenges

Time of First Successful Submission: 2026-03-06 06:01:03

Getting Help

Time of First Successful Submission: 2026-03-06 06:02:59

Challenge Programs

Time of First Successful Submission: 2026-03-06 06:08:47

The Flag File

Time of First Successful Submission: 2026-03-06 06:13:09

Using Privileged Mode

Time of First Successful Submission: 2026-03-06 06:23:26

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-06 06:24:36

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-06 06:24:57

Hanto Dojo

5 / 44 111 / 324

Simon Sed

Time of First Successful Submission: 2026-07-25 09:01:45

Out of Context

Time of First Successful Submission: 2026-07-26 12:47:25

I Dropped My Keys

Time of First Successful Submission: 2026-07-26 12:54:28

I Dropped My Cookie

Time of First Successful Submission: 2026-07-26 13:03:44

Git Gud

Time of First Successful Submission: 2026-07-26 12:45:16