tyzard [academic cryptid]

🐧 🛸

pwn.college Archives

30 / 232 11856 / 26154

set-register

Time of First Successful Submission: 2026-02-21 21:09:10

set-multiple-registers

Time of First Successful Submission: 2026-02-21 21:29:08

add-to-register

Time of First Successful Submission: 2026-03-01 04:14:15

linear-equation-registers

Time of First Successful Submission: 2026-03-01 04:17:12

integer-division

Time of First Successful Submission: 2026-03-01 04:25:40

modulo-operation

Time of First Successful Submission: 2026-03-01 04:32:06

set-upper-byte

Time of First Successful Submission: 2026-03-01 04:36:33

efficient-modulo

Time of First Successful Submission: 2026-03-01 04:59:34

byte-extraction

Time of First Successful Submission: 2026-03-01 05:21:27

bitwise-and

Time of First Successful Submission: 2026-03-01 07:59:03

check-even

Time of First Successful Submission: 2026-03-01 08:04:37

memory-read

Time of First Successful Submission: 2026-03-01 16:33:39

memory-write

Time of First Successful Submission: 2026-03-01 16:38:01

memory-increment

Time of First Successful Submission: 2026-03-01 16:42:19

byte-access

Time of First Successful Submission: 2026-03-01 16:43:53

memory-size-access

Time of First Successful Submission: 2026-03-01 16:45:35

little-endian-write

Time of First Successful Submission: 2026-03-01 16:54:19

memory-sum

Time of First Successful Submission: 2026-03-01 17:30:35

stack-subtraction

Time of First Successful Submission: 2026-03-01 17:32:04

swap-stack-values

Time of First Successful Submission: 2026-03-01 17:37:09

average-stack-values

Time of First Successful Submission: 2026-03-02 15:42:18

absolute-jump

Time of First Successful Submission: 2026-03-02 15:48:16

relative-jump

Time of First Successful Submission: 2026-03-02 16:01:36

jump-trampoline

Time of First Successful Submission: 2026-03-02 16:07:22

conditional-jump

Time of First Successful Submission: 2026-03-02 18:12:43

indirect-jump

Time of First Successful Submission: 2026-03-02 20:54:06

average-loop

Time of First Successful Submission: 2026-03-03 16:06:20

count-non-zero

Time of First Successful Submission: 2026-03-03 16:26:51

string-lower

Time of First Successful Submission: 2026-03-04 02:29:36

most-common-byte

Time of First Successful Submission: 2026-03-04 07:21:27

CTF Archive

1 / 861 1038 / 1104

MISC - 459 - File Reader

Time of First Successful Submission: 2026-08-26 17:24:50

Intro to Programming Languages

15 / 253 8222 / 55915

Commands

Time of First Successful Submission: 2026-01-13 18:53:56

Command Arguments

Time of First Successful Submission: 2026-01-13 18:56:16

Command History

Time of First Successful Submission: 2026-01-13 18:57:15

The Root Path

Time of First Successful Submission: 2026-01-13 19:22:40

Absolute Paths

Time of First Successful Submission: 2026-01-13 19:23:48

Changing position

Time of First Successful Submission: 2026-01-13 19:24:58

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-13 19:27:36

Relative Paths

Time of First Successful Submission: 2026-01-13 19:30:25

Cat

Time of First Successful Submission: 2026-01-13 19:37:33

Ls

Time of First Successful Submission: 2026-01-13 19:47:34

Ls All

Time of First Successful Submission: 2026-01-13 21:16:15

Find

Time of First Successful Submission: 2026-01-13 21:37:52

Piping Echo

Time of First Successful Submission: 2026-01-14 04:27:36

Piping Stdout

Time of First Successful Submission: 2026-01-14 04:30:04

Piping Stdin

Time of First Successful Submission: 2026-01-14 04:39:11

Intro to Cybersecurity

183 / 183 271 / 26724

Path Traversal 1

Time of First Successful Submission: 2026-02-04 02:38:22

Path Traversal 2

Time of First Successful Submission: 2026-02-04 02:48:09

CMDi 1

Time of First Successful Submission: 2026-02-04 02:59:12

CMDi 2

Time of First Successful Submission: 2026-02-04 03:07:21

CMDi 3

Time of First Successful Submission: 2026-02-04 03:11:12

CMDi 4

Time of First Successful Submission: 2026-02-04 03:16:56

CMDi 5

Time of First Successful Submission: 2026-02-04 03:23:38

CMDi 6

Time of First Successful Submission: 2026-05-12 02:54:40

Authentication Bypass 1

Time of First Successful Submission: 2026-02-04 04:05:10

Authentication Bypass 2

Time of First Successful Submission: 2026-02-04 04:15:37

SQLi 1

Time of First Successful Submission: 2026-02-04 04:27:00

SQLi 2

Time of First Successful Submission: 2026-02-04 04:29:43

SQLi 3

Time of First Successful Submission: 2026-02-04 04:47:10

SQLi 4

Time of First Successful Submission: 2026-02-04 05:12:47

SQLi 5

Time of First Successful Submission: 2026-02-13 21:17:25

XSS 1

Time of First Successful Submission: 2026-02-13 21:24:03

XSS 2

Time of First Successful Submission: 2026-02-13 21:29:30

XSS 3

Time of First Successful Submission: 2026-02-13 21:36:42

XSS 4

Time of First Successful Submission: 2026-02-13 21:42:20

XSS 5

Time of First Successful Submission: 2026-02-14 16:00:11

XSS 6

Time of First Successful Submission: 2026-02-14 16:04:47

XSS 7

Time of First Successful Submission: 2026-02-14 16:32:27

CSRF 1

Time of First Successful Submission: 2026-02-14 17:19:59

CSRF 2

Time of First Successful Submission: 2026-02-14 18:00:39

CSRF 3

Time of First Successful Submission: 2026-02-14 19:29:10

CSRF 4

Time of First Successful Submission: 2026-02-14 20:05:41

CSRF 5

Time of First Successful Submission: 2026-02-14 20:30:27

Connect

Time of First Successful Submission: 2026-03-02 05:25:19

Send

Time of First Successful Submission: 2026-04-12 03:10:19

Shutdown

Time of First Successful Submission: 2026-04-12 03:25:40

Listen

Time of First Successful Submission: 2026-04-12 03:39:40

Scan 1

Time of First Successful Submission: 2026-04-12 20:57:03

Scan 2

Time of First Successful Submission: 2026-04-12 21:33:48

Monitor 1

Time of First Successful Submission: 2026-04-12 21:41:44

Monitor 2

Time of First Successful Submission: 2026-04-12 22:00:29

Sniffing Cookies

Time of First Successful Submission: 2026-04-12 22:40:03

Network Configuration

Time of First Successful Submission: 2026-04-12 23:12:51

Firewall 1

Time of First Successful Submission: 2026-04-12 23:34:50

Firewall 2

Time of First Successful Submission: 2026-04-13 00:02:20

Firewall 3

Time of First Successful Submission: 2026-04-13 00:15:59

Denial of Service 1

Time of First Successful Submission: 2026-04-13 00:53:57

Denial of Service 2

Time of First Successful Submission: 2026-04-17 06:49:18

Denial of Service 3

Time of First Successful Submission: 2026-04-18 18:24:21

Ethernet

Time of First Successful Submission: 2026-04-18 18:43:15

IP

Time of First Successful Submission: 2026-04-18 18:48:39

TCP

Time of First Successful Submission: 2026-04-18 18:58:31

TCP Handshake

Time of First Successful Submission: 2026-04-18 19:56:37

UDP

Time of First Successful Submission: 2026-04-18 21:24:06

UDP 2

Time of First Successful Submission: 2026-04-18 21:28:08

UDP Spoofing 1

Time of First Successful Submission: 2026-04-18 22:31:53

UDP Spoofing 2

Time of First Successful Submission: 2026-04-19 18:58:15

UDP Spoofing 3

Time of First Successful Submission: 2026-04-19 21:03:36

UDP Spoofing 4

Time of First Successful Submission: 2026-04-19 21:16:29

ARP

Time of First Successful Submission: 2026-04-19 21:22:55

Intercept

Time of First Successful Submission: 2026-04-20 00:50:17

Man-in-the-Middle

Time of First Successful Submission: 2026-04-20 23:57:26

XOR

Time of First Successful Submission: 2026-04-26 00:24:46

XORing Hex

Time of First Successful Submission: 2026-04-26 00:32:20

XORing ASCII

Time of First Successful Submission: 2026-04-26 00:53:11

XORing ASCII Strings

Time of First Successful Submission: 2026-04-26 01:32:46

One-time Pad

Time of First Successful Submission: 2026-04-26 02:00:53

One-time Pad Tampering

Time of First Successful Submission: 2026-04-26 02:39:32

Many-time Pad

Time of First Successful Submission: 2026-04-26 03:46:20

AES

Time of First Successful Submission: 2026-04-26 23:44:12

AES-ECB-CPA

Time of First Successful Submission: 2026-04-27 04:24:11

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-27 05:28:47

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-27 19:47:53

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-27 19:58:11

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-28 05:50:07

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-28 05:51:10

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-04-28 16:10:59

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-04-28 22:36:30

AES-CBC

Time of First Successful Submission: 2026-04-28 16:27:24

AES-CBC Tampering

Time of First Successful Submission: 2026-05-03 22:25:30

AES-CBC Resizing

Time of First Successful Submission: 2026-05-03 23:49:07

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-05-04 03:57:51

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-05-04 17:31:44

AES-CBC-POA-Multi-Block

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

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-05-04 19:43:11

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-05-04 19:47:57

DHKE

Time of First Successful Submission: 2026-05-13 02:00:52

DHKE-to-AES

Time of First Successful Submission: 2026-05-13 02:41:49

RSA 1

Time of First Successful Submission: 2026-05-13 04:14:56

RSA 2

Time of First Successful Submission: 2026-05-14 21:20:34

RSA 3

Time of First Successful Submission: 2026-05-14 22:20:16

RSA 4

Time of First Successful Submission: 2026-05-16 01:12:53

RSA Signatures

Time of First Successful Submission: 2026-05-17 02:24:57

SHA 1

Time of First Successful Submission: 2026-05-17 02:40:46

SHA 2

Time of First Successful Submission: 2026-05-17 02:55:41

TLS 1

Time of First Successful Submission: 2026-05-18 06:09:17

TLS 2

Time of First Successful Submission: 2026-05-18 06:41:42

level1

Time of First Successful Submission: 2026-05-16 01:24:09

level2

Time of First Successful Submission: 2026-05-16 01:25:22

level3

Time of First Successful Submission: 2026-06-17 19:19:24

level4

Time of First Successful Submission: 2026-06-17 19:20:37

level5

Time of First Successful Submission: 2026-06-18 04:48:10

level6

Time of First Successful Submission: 2026-06-18 04:51:18

level7

Time of First Successful Submission: 2026-06-18 04:55:43

level8

Time of First Successful Submission: 2026-06-18 04:57:39

level9

Time of First Successful Submission: 2026-06-18 04:59:31

level10

Time of First Successful Submission: 2026-06-18 05:02:50

level11

Time of First Successful Submission: 2026-06-18 05:28:45

level12

Time of First Successful Submission: 2026-07-21 18:36:24

level13

Time of First Successful Submission: 2026-07-21 18:42:02

level14

Time of First Successful Submission: 2026-07-21 18:43:48

level15

Time of First Successful Submission: 2026-07-21 18:45:39

level16

Time of First Successful Submission: 2026-07-21 18:46:56

level17

Time of First Successful Submission: 2026-07-21 20:57:21

level18

Time of First Successful Submission: 2026-07-21 20:58:44

level19

Time of First Successful Submission: 2026-07-21 21:00:08

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-03-09 21:14:45

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-03-09 21:21:09

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-03-10 00:39:14

Reading Endianness (Python)

Time of First Successful Submission: 2026-03-10 00:48:03

Reading Endianness (C)

Time of First Successful Submission: 2026-03-10 00:56:51

Reading Endianness (x86)

Time of First Successful Submission: 2026-03-10 01:19:06

Version Information (Python)

Time of First Successful Submission: 2026-03-10 01:39:01

Version Information (C)

Time of First Successful Submission: 2026-03-10 01:43:43

Version Information (x86)

Time of First Successful Submission: 2026-03-10 01:46:09

Metadata and Data (Python)

Time of First Successful Submission: 2026-03-10 02:14:40

Metadata and Data (C)

Time of First Successful Submission: 2026-03-10 02:29:34

Metadata and Data (x86)

Time of First Successful Submission: 2026-03-10 02:39:36

Input Restrictions (Python)

Time of First Successful Submission: 2026-03-10 05:57:42

Input Restrictions (C)

Time of First Successful Submission: 2026-03-10 06:04:18

Input Restrictions (x86)

Time of First Successful Submission: 2026-03-10 06:10:47

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-03-10 06:18:11

Behold the cIMG! (C)

Time of First Successful Submission: 2026-03-10 06:21:49

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-03-10 06:39:10

A Basic cIMG (Python)

Time of First Successful Submission: 2026-03-10 07:01:43

A Basic cIMG (C)

Time of First Successful Submission: 2026-03-10 16:05:20

A Basic cIMG (x86)

Time of First Successful Submission: 2026-03-10 16:17:53

Internal State Mini (C)

Time of First Successful Submission: 2026-03-10 23:05:47

Internal State Mini (x86)

Time of First Successful Submission: 2026-03-11 02:40:09

Internal State (C)

Time of First Successful Submission: 2026-03-12 17:04:08

Internal State (x86)

Time of First Successful Submission: 2026-03-12 17:56:44

File Formats: Directives (C)

Time of First Successful Submission: 2026-03-12 19:22:47

File Formats: Directives (x86)

Time of First Successful Submission: 2026-03-12 21:00:59

The Patch Directive

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

Optimizing for Space

Time of First Successful Submission: 2026-03-21 00:23:05

Tweaking Images

Time of First Successful Submission: 2026-03-21 01:34:03

Storage and Retrieval

Time of First Successful Submission: 2026-03-24 01:10:01

Extracting Knowledge

Time of First Successful Submission: 2026-03-24 01:58:16

Advanced Sprites

Time of First Successful Submission: 2026-03-24 06:22:31

Accessing Resources

Time of First Successful Submission: 2026-07-21 22:13:25

Unsafe Animations

Time of First Successful Submission: 2026-07-21 22:42:51

Animations

Time of First Successful Submission: 2026-07-22 22:23:09

Interoperability: Patching Data

Time of First Successful Submission: 2026-07-25 03:30:06

Patching Code

Time of First Successful Submission: 2026-07-25 05:30:12

Patching Control Flow

Time of First Successful Submission: 2026-07-25 05:43:45

Your First Overflow (easy)

Time of First Successful Submission: 2026-03-28 21:27:19

Your First Overflow (hard)

Time of First Successful Submission: 2026-03-28 21:59:00

Precision (easy)

Time of First Successful Submission: 2026-03-28 22:03:05

Precision (hard)

Time of First Successful Submission: 2026-03-28 22:08:21

Variable Control (easy)

Time of First Successful Submission: 2026-03-28 22:23:07

Variable Control (hard)

Time of First Successful Submission: 2026-03-28 23:31:19

Control Hijack (easy)

Time of First Successful Submission: 2026-03-29 00:14:52

Control Hijack (hard)

Time of First Successful Submission: 2026-03-29 00:30:44

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-03-29 23:49:29

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-03-30 00:12:09

PIEs (easy)

Time of First Successful Submission: 2026-03-31 21:58:37

PIEs (hard)

Time of First Successful Submission: 2026-03-31 22:01:18

String Lengths (easy)

Time of First Successful Submission: 2026-04-01 21:54:20

String Lengths (hard)

Time of First Successful Submission: 2026-04-01 22:03:14

Basic Shellcode

Time of First Successful Submission: 2026-04-01 23:15:57

NOP Sleds

Time of First Successful Submission: 2026-04-02 05:53:37

NULL-Free Shellcode

Time of First Successful Submission: 2026-04-02 16:41:56

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-04-02 18:22:23

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-04-02 18:28:07

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-04-02 23:19:06

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-04-03 01:25:37

ECB-to-Win (easy)

Time of First Successful Submission: 2026-07-25 20:26:15

ECB-to-Win (hard)

Time of First Successful Submission: 2026-07-25 20:35:46

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-07-25 21:15:33

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-07-25 22:14:06

CIMG Screenshots

Time of First Successful Submission: 2026-07-29 04:54:59

CIMG Screenshots 2

Time of First Successful Submission: 2026-08-11 00:03:59

Wily Webserver

Time of First Successful Submission: 2026-08-12 21:21:44

The Watering Hole

Time of First Successful Submission: 2026-08-16 06:34:23

Secure Chat 1

Time of First Successful Submission: 2026-08-17 21:52:56

Secure Chat 2

Time of First Successful Submission: 2026-08-18 06:43:32

Secure Chat 3

Time of First Successful Submission: 2026-08-25 06:33:09

Secure Chat 4

Time of First Successful Submission: 2026-08-29 03:20:16

Secure Chat 5

Time of First Successful Submission: 2026-08-29 07:01:23

Program Security

157 / 159 233 / 11093

ello ackers!

Time of First Successful Submission: 2026-08-29 20:07:36

Syscall Smuggler

Time of First Successful Submission: 2026-08-29 23:20:32

Syscall Shenanigans

Time of First Successful Submission: 2026-08-30 03:27:38

Byte Budget

Time of First Successful Submission: 2026-09-04 22:37:38

ClobberCode

Time of First Successful Submission: 2026-09-04 23:22:11

Diverse Delivery

Time of First Successful Submission: 2026-09-03 15:05:04

Pocket Payload

Time of First Successful Submission: 2026-09-04 22:33:43

Micro Menace

Time of First Successful Submission: 2026-09-01 08:43:40

Login Leakage (Easy)

Time of First Successful Submission: 2026-09-02 16:02:52

Login Leakage (Hard)

Time of First Successful Submission: 2026-09-02 16:04:33

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-09-02 16:28:15

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-09-02 17:49:16

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-09-02 20:31:55

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-09-02 20:43:49

Pointer Problems (Easy)

Time of First Successful Submission: 2026-09-02 21:22:07

Pointer Problems (Hard)

Time of First Successful Submission: 2026-09-02 22:44:10

Anomalous Array (Easy)

Time of First Successful Submission: 2026-09-03 01:20:24

Anomalous Array (Hard)

Time of First Successful Submission: 2026-09-03 03:35:05

Now you got it (Easy)

Time of First Successful Submission: 2026-09-05 00:23:58

Now you got it (Hard)

Time of First Successful Submission: 2026-09-07 06:31:18

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-09-08 21:04:12

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-09-08 22:03:49

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-09-08 22:24:29

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-09-08 22:30:24

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-09-09 00:37:49

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-09-09 18:48:45

Lingering Leftover (Easy)

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

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-09-09 20:21:43

Latent Leak (Easy)

Time of First Successful Submission: 2026-09-09 21:22:56

Latent Leak (Hard)

Time of First Successful Submission: 2026-09-09 21:29:37

Fork Foolery (Easy)

Time of First Successful Submission: 2026-09-10 17:50:48

Fork Foolery (Hard)

Time of First Successful Submission: 2026-09-10 18:15:25

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-09-11 02:31:49

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-09-11 04:02:45

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-09-13 00:38:46

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-09-13 06:27:15

Can It Fizz?

Time of First Successful Submission: 2026-10-04 05:58:05

Terrible Token (Easy)

Time of First Successful Submission: 2026-09-14 18:03:37

Terrible Token (Hard)

Time of First Successful Submission: 2026-09-14 18:06:29

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-09-14 18:08:32

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-09-14 18:12:31

Bit Bender

Time of First Successful Submission: 2026-09-15 18:57:04

Substitution Sorcery

Time of First Successful Submission: 2026-09-15 20:04:45

Meager Mangler (Easy)

Time of First Successful Submission: 2026-09-17 17:26:34

Meager Mangler (Hard)

Time of First Successful Submission: 2026-09-17 17:34:41

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-09-17 18:10:49

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-09-17 19:15:06

Patched Up (Easy)

Time of First Successful Submission: 2026-09-17 20:01:53

Patched Up (Hard)

Time of First Successful Submission: 2026-09-17 20:24:04

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-09-17 20:28:49

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-09-17 21:57:41

Patch Perfect (Easy)

Time of First Successful Submission: 2026-09-18 23:15:00

Patch Perfect (Hard)

Time of First Successful Submission: 2026-09-18 23:26:19

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-09-20 08:15:46

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-09-20 08:31:32

Know the Yancode (Easy)

Time of First Successful Submission: 2026-09-21 04:29:54

Know the Yancode (Hard)

Time of First Successful Submission: 2026-09-21 04:54:13

Master the Yancode (Easy)

Time of First Successful Submission: 2026-09-21 05:21:57

Master the Yancode (Hard)

Time of First Successful Submission: 2026-09-22 05:52:48

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-09-22 06:56:50

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-09-22 21:14:37

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-09-22 23:05:13

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-09-23 06:23:40

The Yangler (Easy)

Time of First Successful Submission: 2026-09-23 07:57:44

The Yangler (Hard)

Time of First Successful Submission: 2026-09-24 01:35:50

Yancraft (Easy)

Time of First Successful Submission: 2026-09-24 02:38:51

Yancraft (Hard)

Time of First Successful Submission: 2026-09-24 03:11:36

Yansanity (Easy)

Time of First Successful Submission: 2026-09-24 03:15:40

Yansanity (Hard)

Time of First Successful Submission: 2026-09-24 15:04:18

When the Cow Says Moo

Time of First Successful Submission: 2026-09-24 19:17:58

Predictable Migration

Time of First Successful Submission: 2026-09-25 05:57:44

Hashing Heifers

Time of First Successful Submission: 2026-09-25 20:07:10

Salty Stampede

Time of First Successful Submission: 2026-09-25 22:15:55

Loose Link (Easy)

Time of First Successful Submission: 2026-09-28 16:10:53

Loose Link (Hard)

Time of First Successful Submission: 2026-09-28 17:57:37

Call Chain (Easy)

Time of First Successful Submission: 2026-09-28 18:20:48

Call Chain (Hard)

Time of First Successful Submission: 2026-09-28 18:26:51

Chain of Command (Easy)

Time of First Successful Submission: 2026-09-29 05:14:58

Chain of Command (Hard)

Time of First Successful Submission: 2026-09-29 05:19:18

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-09-30 02:19:06

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-09-30 02:27:02

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-10-01 01:46:16

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-10-01 01:50:01

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-10-01 07:17:36

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-10-01 07:29:01

Leaky Libc (Easy)

Time of First Successful Submission: 2026-10-01 20:27:55

Leaky Libc (Hard)

Time of First Successful Submission: 2026-10-01 21:00:09

Putsception (Easy)

Time of First Successful Submission: 2026-10-02 04:35:43

Putsception (Hard)

Time of First Successful Submission: 2026-10-02 04:40:30

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-10-07 03:31:10

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-10-07 03:49:07

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-10-10 02:18:47

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-10-10 02:23:30

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-10-10 02:37:58

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-10-10 02:48:47

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-10-10 21:51:38

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-10-10 22:09:08

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-10-12 22:33:15

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-10-12 22:37:38

ROP Roulette (Easy)

Time of First Successful Submission: 2026-10-12 22:53:26

ROP Roulette (Hard)

Time of First Successful Submission: 2026-10-12 23:13:42

Libc Lottery (Easy)

Time of First Successful Submission: 2026-10-12 23:44:45

Libc Lottery (Hard)

Time of First Successful Submission: 2026-10-12 23:39:44

Freebie (Easy)

Time of First Successful Submission: 2026-10-14 07:50:21

Freebie (Hard)

Time of First Successful Submission: 2026-10-14 07:40:04

Freebin Feint (Easy)

Time of First Successful Submission: 2026-10-14 08:07:04

Freebin Feint (Hard)

Time of First Successful Submission: 2026-10-14 08:03:51

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-10-14 08:41:25

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-10-14 08:36:03

Fickle Free (Easy)

Time of First Successful Submission: 2026-10-14 17:21:19

Fickle Free (Hard)

Time of First Successful Submission: 2026-10-14 17:18:42

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-10-14 19:06:56

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-10-14 18:51:15

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-10-15 01:26:39

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-10-15 01:18:03

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-10-15 02:25:58

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-10-15 01:32:41

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-10-17 00:37:27

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-10-17 00:22:52

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-10-21 05:27:09

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-10-21 05:22:32

Sus Sequence (Easy)

Time of First Successful Submission: 2026-10-18 22:11:06

Sus Sequence (Hard)

Time of First Successful Submission: 2026-10-18 22:09:09

Echo Emanations (Easy)

Time of First Successful Submission: 2026-10-18 23:31:48

Echo Emanations (Hard)

Time of First Successful Submission: 2026-10-18 23:24:59

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-10-19 17:47:20

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-10-19 17:33:52

Stack Summoning (Easy)

Time of First Successful Submission: 2026-10-19 19:54:28

Stack Summoning (Hard)

Time of First Successful Submission: 2026-10-19 19:39:48

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-10-21 07:23:24

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-10-21 07:16:24

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-10-21 22:13:30

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-10-21 21:55:48

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-10-22 20:49:36

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-10-22 20:46:05

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-10-23 05:44:15

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-10-23 05:25:44

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-10-24 08:02:47

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-10-24 08:00:09

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-10-24 22:54:12

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-10-24 22:07:17

Tcache Terror (Easy)

Time of First Successful Submission: 2026-10-26 00:40:38

Tcache Terror (Hard)

Time of First Successful Submission: 2026-10-26 00:38:15

Containment Composition (Easy)

Time of First Successful Submission: 2026-10-27 02:07:22

Containment Composition (Hard)

Time of First Successful Submission: 2026-10-27 01:15:38

Constant Corruption (Easy)

Time of First Successful Submission: 2026-10-29 04:02:52

Constant Corruption (Hard)

Time of First Successful Submission: 2026-10-29 03:09:16

Return to YanLand (Easy)

Time of First Successful Submission: 2026-10-30 05:52:54

Return to YanLand (Hard)

Time of First Successful Submission: 2026-11-01 03:33:17

Escape from YanLand (Easy)

Time of First Successful Submission: 2026-11-01 04:09:41

Escape from YanLand (Hard)

Time of First Successful Submission: 2026-11-01 05:55:26

The YanFilter (Easy)

Time of First Successful Submission: 2026-11-06 03:04:06

The YanFilter (Hard)

Time of First Successful Submission: 2026-11-06 03:15:05

The Great YanFilter (Easy)

Time of First Successful Submission: 2026-11-12 17:23:02

The Great YanFilter (Hard)

Time of First Successful Submission: 2026-11-12 20:18:24

Yan85 Reborn (Easy)

Time of First Successful Submission: 2026-11-12 21:38:50

Yan85 Reborn (Hard)

Time of First Successful Submission: 2026-11-12 21:51:03

System Security

18 / 93 1792 / 3991

level1.0

Time of First Successful Submission: 2026-11-13 02:33:21

level1.1

Time of First Successful Submission: 2026-11-13 04:00:27

level2.0

Time of First Successful Submission: 2026-11-13 17:44:43

level2.1

Time of First Successful Submission: 2026-11-13 19:33:07

level3.0

Time of First Successful Submission: 2026-11-13 23:17:57

level3.1

Time of First Successful Submission: 2026-11-13 23:39:29

level4.0

Time of First Successful Submission: 2026-11-14 02:52:12

level4.1

Time of First Successful Submission: 2026-11-14 03:00:55

level5.0

Time of First Successful Submission: 2026-11-14 03:29:24

level5.1

Time of First Successful Submission: 2026-11-14 04:05:49

level6.0

Time of First Successful Submission: 2026-11-14 15:01:32

level6.1

Time of First Successful Submission: 2026-11-14 14:47:44

level7.0

Time of First Successful Submission: 2026-11-15 04:45:15

level7.1

Time of First Successful Submission: 2026-11-15 04:52:58

level8.0

Time of First Successful Submission: 2026-11-15 05:13:09

level8.1

Time of First Successful Submission: 2026-11-15 05:29:38

level9.0

Time of First Successful Submission: 2026-11-15 06:09:16

level9.1

Time of First Successful Submission: 2026-11-15 07:09:01

Start Here

10 / 10 7845 / 77749

Using the Terminal

Time of First Successful Submission: 2026-01-13 06:33:16

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-13 06:35:22

Using the GUI Desktop

Time of First Successful Submission: 2026-01-13 06:36:55

Pasting into the Desktop

Time of First Successful Submission: 2026-01-13 06:50:41

Restarting Challenges

Time of First Successful Submission: 2026-01-13 06:56:16

Challenge Programs

Time of First Successful Submission: 2026-01-16 22:54:04

The Flag File

Time of First Successful Submission: 2026-01-16 22:54:55

Using Privileged Mode

Time of First Successful Submission: 2026-01-16 22:58:35

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-17 18:41:03

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-17 18:41:38

Linux Luminarium

128 / 128 1423 / 56688

Intro to Commands

Time of First Successful Submission: 2026-01-13 18:53:56

Intro to Arguments

Time of First Successful Submission: 2026-01-13 18:56:16

Command History

Time of First Successful Submission: 2026-01-13 18:57:15

The Root

Time of First Successful Submission: 2026-01-13 19:22:40

Program and absolute paths

Time of First Successful Submission: 2026-01-13 19:23:48

Position thy self

Time of First Successful Submission: 2026-01-13 19:24:58

Position elsewhere

Time of First Successful Submission: 2026-01-13 19:27:36

implicit relative paths, from /

Time of First Successful Submission: 2026-01-13 19:30:25

explicit relative paths, from /

Time of First Successful Submission: 2026-01-13 19:32:24

implicit relative path

Time of First Successful Submission: 2026-01-13 19:33:45

home sweet home

Time of First Successful Submission: 2026-01-13 19:36:18

cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-13 19:37:33

catting absolute paths

Time of First Successful Submission: 2026-01-13 19:39:10

more catting practice

Time of First Successful Submission: 2026-01-13 19:41:14

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-13 19:42:13

comparing files

Time of First Successful Submission: 2026-01-13 19:45:57

listing files

Time of First Successful Submission: 2026-01-13 19:47:34

touching files

Time of First Successful Submission: 2026-01-13 19:48:27

removing files

Time of First Successful Submission: 2026-01-13 19:50:40

moving files

Time of First Successful Submission: 2026-01-13 19:54:08

copying files

Time of First Successful Submission: 2026-01-13 21:15:21

hidden files

Time of First Successful Submission: 2026-01-13 21:16:15

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-13 21:28:15

making directories

Time of First Successful Submission: 2026-01-13 21:31:20

finding files

Time of First Successful Submission: 2026-01-13 21:37:52

linking files

Time of First Successful Submission: 2026-01-13 21:50:30

Learning From Documentation

Time of First Successful Submission: 2026-01-13 22:10:07

Learning Complex Usage

Time of First Successful Submission: 2026-01-13 22:40:13

Reading Manuals

Time of First Successful Submission: 2026-01-13 23:39:49

Searching Manuals

Time of First Successful Submission: 2026-01-13 23:42:13

Searching For Manuals

Time of First Successful Submission: 2026-01-14 00:55:22

Helpful Programs

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

Help for Builtins

Time of First Successful Submission: 2026-01-14 01:58:42

Matching with *

Time of First Successful Submission: 2026-01-14 03:41:57

Matching with ?

Time of First Successful Submission: 2026-01-14 03:43:02

Matching with []

Time of First Successful Submission: 2026-01-14 03:44:18

Matching paths with []

Time of First Successful Submission: 2026-01-14 03:49:39

Multiple globs

Time of First Successful Submission: 2026-01-14 03:51:48

Mixing globs

Time of First Successful Submission: 2026-01-14 04:19:06

Exclusionary globbing

Time of First Successful Submission: 2026-01-14 04:21:10

Tab completion

Time of First Successful Submission: 2026-01-14 04:22:14

Multiple options for tab completion

Time of First Successful Submission: 2026-01-14 04:25:10

Tab completion on commands

Time of First Successful Submission: 2026-01-14 04:25:39

Redirecting output

Time of First Successful Submission: 2026-01-14 04:27:36

Redirecting more output

Time of First Successful Submission: 2026-01-14 04:30:04

Appending output

Time of First Successful Submission: 2026-01-14 04:31:59

Redirecting errors

Time of First Successful Submission: 2026-01-14 04:36:43

Redirecting input

Time of First Successful Submission: 2026-01-14 04:39:11

Grepping stored results

Time of First Successful Submission: 2026-01-14 04:43:39

Grepping live output

Time of First Successful Submission: 2026-01-14 04:44:53

Grepping errors

Time of First Successful Submission: 2026-01-14 04:46:56

Filtering with grep -v

Time of First Successful Submission: 2026-01-14 04:47:53

Filtering with sed

Time of First Successful Submission: 2026-01-14 04:49:42

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-14 04:57:17

Process substitution for input

Time of First Successful Submission: 2026-01-14 05:00:31

Writing to multiple programs

Time of First Successful Submission: 2026-01-14 05:08:50

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-14 05:14:22

Named pipes

Time of First Successful Submission: 2026-01-14 05:19:12

Printing Variables

Time of First Successful Submission: 2026-01-14 05:23:01

Setting Variables

Time of First Successful Submission: 2026-01-14 05:23:54

Multi-word Variables

Time of First Successful Submission: 2026-01-14 05:24:27

Exporting Variables

Time of First Successful Submission: 2026-01-16 22:36:06

Printing Exported Variables

Time of First Successful Submission: 2026-01-16 22:37:38

Storing Command Output

Time of First Successful Submission: 2026-01-16 22:47:04

Reading Input

Time of First Successful Submission: 2026-01-16 22:49:38

Reading Files

Time of First Successful Submission: 2026-01-16 22:51:50

Translating characters

Time of First Successful Submission: 2026-01-17 01:42:22

Deleting characters

Time of First Successful Submission: 2026-01-17 01:45:56

Deleting newlines

Time of First Successful Submission: 2026-01-17 01:47:43

Extracting the first lines with head

Time of First Successful Submission: 2026-01-17 01:55:27

Extracting specific sections of text

Time of First Successful Submission: 2026-01-17 02:02:48

Sorting data

Time of First Successful Submission: 2026-01-17 02:04:51

Listing Processes

Time of First Successful Submission: 2026-01-17 03:07:29

Killing Processes

Time of First Successful Submission: 2026-01-17 03:54:42

Interrupting Processes

Time of First Successful Submission: 2026-01-17 03:14:31

Killing Misbehaving Processes

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

Suspending Processes

Time of First Successful Submission: 2026-01-17 05:17:41

Resuming Processes

Time of First Successful Submission: 2026-01-17 05:19:27

Backgrounding Processes

Time of First Successful Submission: 2026-01-17 05:21:54

Foregrounding Processes

Time of First Successful Submission: 2026-01-17 05:23:20

Starting Backgrounded Processes

Time of First Successful Submission: 2026-01-17 05:27:40

Process Exit Codes

Time of First Successful Submission: 2026-01-17 05:29:18

Becoming root with su

Time of First Successful Submission: 2026-01-17 05:33:32

Other users with su

Time of First Successful Submission: 2026-01-17 05:35:11

Cracking passwords

Time of First Successful Submission: 2026-01-17 05:40:38

Using sudo

Time of First Successful Submission: 2026-01-17 05:46:55

Changing File Ownership

Time of First Successful Submission: 2026-01-17 05:51:47

Groups and Files

Time of First Successful Submission: 2026-01-17 05:54:44

Fun With Groups Names

Time of First Successful Submission: 2026-01-17 05:55:46

Changing Permissions

Time of First Successful Submission: 2026-01-17 06:00:00

Executable Files

Time of First Successful Submission: 2026-01-17 06:06:16

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-17 06:15:47

Permissions Setting Practice

Time of First Successful Submission: 2026-01-17 06:26:44

The SUID Bit

Time of First Successful Submission: 2026-01-17 06:30:32

Chaining with Semicolons

Time of First Successful Submission: 2026-01-17 06:33:37

Building on Success

Time of First Successful Submission: 2026-01-17 06:36:40

Handling Failure

Time of First Successful Submission: 2026-01-17 06:37:47

Your First Shell Script

Time of First Successful Submission: 2026-01-17 06:43:44

Redirecting Script Output

Time of First Successful Submission: 2026-01-17 19:07:54

Executable Shell Scripts

Time of First Successful Submission: 2026-01-17 19:37:15

Understanding Shebangs

Time of First Successful Submission: 2026-01-17 22:49:22

Scripting with Arguments

Time of First Successful Submission: 2026-01-17 22:51:32

Scripting with Conditionals

Time of First Successful Submission: 2026-01-17 22:55:36

Scripting with Default Cases

Time of First Successful Submission: 2026-01-17 22:56:47

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-17 23:03:48

Reading Shell Scripts

Time of First Successful Submission: 2026-01-17 23:11:02

Launching Screen

Time of First Successful Submission: 2026-01-17 23:12:31

Detaching and Attaching

Time of First Successful Submission: 2026-01-17 23:26:39

Finding Sessions

Time of First Successful Submission: 2026-01-17 23:30:37

Switching Windows

Time of First Successful Submission: 2026-01-17 23:32:14

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-17 23:34:07

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-17 23:35:41

The PATH Variable

Time of First Successful Submission: 2026-01-17 23:39:17

Setting PATH

Time of First Successful Submission: 2026-01-17 23:40:26

Finding Commands

Time of First Successful Submission: 2026-01-17 23:42:43

Adding Commands

Time of First Successful Submission: 2026-01-18 00:07:59

Hijacking Commands

Time of First Successful Submission: 2026-01-18 00:22:09

Bashrc Backdoor

Time of First Successful Submission: 2026-01-18 00:26:10

Sniffing Input

Time of First Successful Submission: 2026-01-18 02:12:30

Overshared Directories

Time of First Successful Submission: 2026-01-18 02:22:34

Tricky Linking

Time of First Successful Submission: 2026-01-18 02:53:41

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-18 02:57:35

Snooping on Configurations

Time of First Successful Submission: 2026-01-18 03:00:28

The Fork Bomb

Time of First Successful Submission: 2026-01-18 03:30:57

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-18 04:01:33

rm -rf /

Time of First Successful Submission: 2026-01-18 04:26:13

Life after rm -rf /

Time of First Successful Submission: 2026-01-18 04:22:54

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-18 04:47:39

Computing 101

70 / 132 2472 / 26337

Your First Register

Time of First Successful Submission: 2026-02-20 00:33:37

Your First Syscall

Time of First Successful Submission: 2026-02-20 00:37:34

Exit Codes

Time of First Successful Submission: 2026-02-20 00:39:12

Building Executables

Time of First Successful Submission: 2026-02-20 00:45:20

Moving Between Registers

Time of First Successful Submission: 2026-02-20 00:48:16

Loading From Memory

Time of First Successful Submission: 2026-02-20 22:10:44

More Loading Practice

Time of First Successful Submission: 2026-02-20 22:11:59

Dereferencing Pointers

Time of First Successful Submission: 2026-02-20 22:19:27

Dereferencing Yourself

Time of First Successful Submission: 2026-02-20 22:24:04

Dereferencing with Offsets

Time of First Successful Submission: 2026-02-20 22:26:14

Stored Addresses

Time of First Successful Submission: 2026-02-20 22:28:38

Double Dereference

Time of First Successful Submission: 2026-02-20 22:33:32

The Stack

Time of First Successful Submission: 2026-02-20 22:35:26

Stack Offsets

Time of First Successful Submission: 2026-02-20 22:36:56

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-20 22:49:22

Popping From the Stack

Time of First Successful Submission: 2026-02-20 22:50:58

Disassembling Programs

Time of First Successful Submission: 2026-02-20 22:58:26

Tracing Syscalls

Time of First Successful Submission: 2026-02-20 23:01:32

Starting GDB

Time of First Successful Submission: 2026-02-20 23:02:51

Quitting GDB

Time of First Successful Submission: 2026-02-20 23:05:36

Starting Programs in GDB

Time of First Successful Submission: 2026-02-20 23:10:31

Disassembling in GDB

Time of First Successful Submission: 2026-02-20 23:12:01

Stepping Through Instructions

Time of First Successful Submission: 2026-02-20 23:21:30

Reading Register Values

Time of First Successful Submission: 2026-02-20 23:22:52

Popping Stack Values

Time of First Successful Submission: 2026-02-20 23:24:13

Examining Memory

Time of First Successful Submission: 2026-02-20 23:25:35

Examining Stack Pointers

Time of First Successful Submission: 2026-02-20 23:27:32

Cooperative Debugging

Time of First Successful Submission: 2026-02-20 23:32:47

Writing Output

Time of First Successful Submission: 2026-02-20 23:49:32

Chaining Syscalls

Time of First Successful Submission: 2026-02-20 23:58:43

Writing Strings

Time of First Successful Submission: 2026-02-20 23:59:46

Reading Data

Time of First Successful Submission: 2026-02-21 00:08:56

Opening Files

Time of First Successful Submission: 2026-02-21 05:18:55

Hardcoding the Filename

Time of First Successful Submission: 2026-02-21 05:27:05

Comparing Values

Time of First Successful Submission: 2026-02-21 19:22:16

Comparing Characters

Time of First Successful Submission: 2026-02-21 19:25:01

Conditional Control Flow

Time of First Successful Submission: 2026-02-21 19:39:01

Comparing Strings

Time of First Successful Submission: 2026-02-21 19:43:49

Reverse the Password

Time of First Successful Submission: 2026-02-21 19:47:22

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-21 20:11:23

Recognizing Loops

Time of First Successful Submission: 2026-02-21 20:21:19

Writing From a Shared Library

Time of First Successful Submission: 2026-08-22 04:21:19

Sign Extension

Time of First Successful Submission: 2026-08-22 04:35:28

Little-Endian Bytes

Time of First Successful Submission: 2026-08-22 04:46:41

Cracking a Struct

Time of First Successful Submission: 2026-08-22 05:06:06

Reverse the Calculation

Time of First Successful Submission: 2026-02-21 20:39:18

Reverse the Reverse

Time of First Successful Submission: 2026-02-21 20:42:11

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-21 20:48:24

Loops on Data

Time of First Successful Submission: 2026-02-21 21:03:58

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-08-22 05:20:44

Loading Stale Stack Data

Time of First Successful Submission: 2026-08-22 22:34:45

Reserving Your Own Frame

Time of First Successful Submission: 2026-08-22 23:41:27

Environment Variables on the Stack

Time of First Successful Submission: 2026-08-22 23:57:41

Debugging Programs

Time of First Successful Submission: 2026-03-04 16:06:56

Inspecting Registers

Time of First Successful Submission: 2026-03-04 16:31:02

Examining Memory

Time of First Successful Submission: 2026-03-04 17:12:36

Setting Breakpoints

Time of First Successful Submission: 2026-03-05 01:11:07

GDB Scripting

Time of First Successful Submission: 2026-03-05 02:08:46

Modifying Data

Time of First Successful Submission: 2026-03-05 02:27:56

Modifying Execution

Time of First Successful Submission: 2026-03-05 02:37:49

Broken Functions

Time of First Successful Submission: 2026-05-09 20:35:15

Exit

Time of First Successful Submission: 2026-03-05 05:20:22

Socket

Time of First Successful Submission: 2026-03-05 05:37:21

Bind

Time of First Successful Submission: 2026-03-05 06:26:08

Listen

Time of First Successful Submission: 2026-03-05 06:50:28

Accept

Time of First Successful Submission: 2026-03-05 06:55:23

Static Response

Time of First Successful Submission: 2026-05-09 20:52:10

Dynamic Response

Time of First Successful Submission: 2026-05-10 02:00:19

Iterative GET Server

Time of First Successful Submission: 2026-05-10 02:09:34

Concurrent GET Server

Time of First Successful Submission: 2026-05-10 02:36:40

Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-01-22 23:52:56

... and again!

Time of First Successful Submission: 2026-01-22 23:55:39

Newline Troubles

Time of First Successful Submission: 2026-01-22 23:58:08

Reasoning about files

Time of First Successful Submission: 2026-01-23 00:12:05

Specifying Filenames

Time of First Successful Submission: 2026-01-23 00:15:31

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-23 00:24:05

More Hex

Time of First Successful Submission: 2026-01-23 00:31:01

Decoding Hex

Time of First Successful Submission: 2026-01-23 00:37:40

Decoding Practice

Time of First Successful Submission: 2026-01-23 22:09:39

Encoding Practice

Time of First Successful Submission: 2026-01-23 22:35:37

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-23 22:55:33

Nested Encoding

Time of First Successful Submission: 2026-01-24 20:18:36

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-24 20:40:48

UTF Mixups

Time of First Successful Submission: 2026-01-24 20:51:08

Modifying Encoded Data

Time of First Successful Submission: 2026-01-24 21:07:55

Decoding Base64

Time of First Successful Submission: 2026-01-24 21:24:35

Encoding Base64

Time of First Successful Submission: 2026-01-24 21:36:22

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-24 21:46:31

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-24 22:14:08

Your First HTTP Request

Time of First Successful Submission: 2026-01-24 22:19:38

Reading Flask

Time of First Successful Submission: 2026-01-24 23:08:53

Commented Data

Time of First Successful Submission: 2026-01-24 23:14:02

HTTP Metadata

Time of First Successful Submission: 2026-01-24 23:17:47

HTTP (netcat)

Time of First Successful Submission: 2026-01-24 23:24:00

HTTP Paths (netcat)

Time of First Successful Submission: 2026-01-24 23:34:14

HTTP (curl)

Time of First Successful Submission: 2026-01-24 23:36:14

HTTP (python)

Time of First Successful Submission: 2026-01-24 23:41:15

HTTP Host Header (python)

Time of First Successful Submission: 2026-01-24 23:45:18

HTTP Host Header (curl)

Time of First Successful Submission: 2026-01-24 23:52:02

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-01-25 00:01:27

URL Encoding (netcat)

Time of First Successful Submission: 2026-01-25 00:12:47

HTTP GET Parameters

Time of First Successful Submission: 2026-01-25 00:17:22

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-01-27 16:07:49

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-01-27 16:11:25

HTTP Forms

Time of First Successful Submission: 2026-01-27 16:14:47

HTTP Forms (curl)

Time of First Successful Submission: 2026-01-27 16:18:51

HTTP Forms (netcat)

Time of First Successful Submission: 2026-01-27 18:50:28

HTTP Forms (python)

Time of First Successful Submission: 2026-01-27 18:59:41

HTTP Forms Without Forms

Time of First Successful Submission: 2026-01-27 21:28:40

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-01-28 19:53:58

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-01-27 21:50:51

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-01-27 22:53:18

HTTP Redirects (curl)

Time of First Successful Submission: 2026-01-28 20:45:00

HTTP Redirects (python)

Time of First Successful Submission: 2026-01-28 20:48:10

HTTP Cookies (curl)

Time of First Successful Submission: 2026-01-28 20:57:18

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-01-28 23:09:10

HTTP Cookies (python)

Time of First Successful Submission: 2026-01-28 23:16:00

Server State (python)

Time of First Successful Submission: 2026-01-28 23:19:15

Listening Web

Time of First Successful Submission: 2026-01-28 23:26:34

Speaking Redirects

Time of First Successful Submission: 2026-01-28 23:34:48

JavaScript Redirects

Time of First Successful Submission: 2026-01-28 23:52:51

Including JavaScript

Time of First Successful Submission: 2026-01-29 00:42:38

HTTP (javascript)

Time of First Successful Submission: 2026-01-29 01:29:39

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-29 01:37:10

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-29 01:49:58

SQL Queries

Time of First Successful Submission: 2026-01-29 01:52:23

Filtering SQL

Time of First Successful Submission: 2026-01-29 01:57:31

Choosing Columns

Time of First Successful Submission: 2026-01-29 02:01:32

Exclusionary Filtering

Time of First Successful Submission: 2026-01-29 02:03:38

Filtering Strings

Time of First Successful Submission: 2026-01-29 02:05:54

Filtering on Expressions

Time of First Successful Submission: 2026-01-29 02:09:24

SELECTing Expressions

Time of First Successful Submission: 2026-01-29 02:15:44

Composite Conditions

Time of First Successful Submission: 2026-01-29 02:21:46

Reaching Your LIMITs

Time of First Successful Submission: 2026-01-29 02:23:24

Querying Metadata

Time of First Successful Submission: 2026-01-29 02:29:27

Arizona CTF 2025

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Fiesty File

Time of First Successful Submission: 2026-09-22 20:26:26

DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-01-13 06:33:16

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-13 06:35:22

Using the GUI Desktop

Time of First Successful Submission: 2026-01-13 06:36:55

Pasting into the Desktop

Time of First Successful Submission: 2026-01-13 06:50:41

Connecting over SSH

Time of First Successful Submission: 2026-01-17 18:34:02

Restarting Challenges

Time of First Successful Submission: 2026-01-13 06:56:16

Getting Help

Time of First Successful Submission: 2026-01-17 18:36:56

Challenge Programs

Time of First Successful Submission: 2026-01-16 22:54:04

The Flag File

Time of First Successful Submission: 2026-01-16 22:54:55

Using Privileged Mode

Time of First Successful Submission: 2026-01-16 22:58:35

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-17 18:41:03

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-17 18:41:38

GCA CTF

12 / 104 1458 / 78239

Using the Terminal

Time of First Successful Submission: 2026-01-13 06:33:16

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-13 06:35:22

Using the GUI Desktop

Time of First Successful Submission: 2026-01-13 06:36:55

Pasting into the Desktop

Time of First Successful Submission: 2026-01-13 06:50:41

Connecting over SSH

Time of First Successful Submission: 2026-01-17 18:34:02

Restarting Challenges

Time of First Successful Submission: 2026-01-13 06:56:16

Getting Help

Time of First Successful Submission: 2026-01-17 18:36:56

Challenge Programs

Time of First Successful Submission: 2026-01-16 22:54:04

The Flag File

Time of First Successful Submission: 2026-01-16 22:54:55

Using Privileged Mode

Time of First Successful Submission: 2026-01-16 22:58:35

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-17 18:41:03

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-17 18:41:38

Linux Lunacy

1 / 13 352 / 361

Only Files

Time of First Successful Submission: 2026-09-22 20:26:26

Tyler's Terrific Trials!

4 / 4 1 / 8

Zero Wing

Time of First Successful Submission: 2026-09-16 23:28:40

Character Cryptography

Time of First Successful Submission: 2026-09-27 22:19:00

Shift Cipher 1 (python)

Time of First Successful Submission: 2026-10-19 04:37:45

Shift Cipher 2 (C)

Time of First Successful Submission: 2026-10-19 05:53:26