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pwn.college Archives

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HTTP (curl)

Time of First Successful Submission: 2024-12-21 22:02:38

HTTP (python)

Time of First Successful Submission: 2024-12-21 22:19:31

URL Encoding (curl)

Time of First Successful Submission: 2024-12-21 22:45:47

URL Encoding (python)

Time of First Successful Submission: 2024-12-21 22:47:17

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-12-21 22:53:05

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-12-21 22:59:02

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-12-21 23:10:20

Multiple Form Fields (python)

Time of First Successful Submission: 2024-12-22 20:04:42

HTTP JSON (curl)

Time of First Successful Submission: 2024-12-22 20:06:12

HTTP JSON (netcat)

Time of First Successful Submission: 2024-12-24 14:29:27

HTTP JSON (python)

Time of First Successful Submission: 2024-12-22 20:11:50

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-12-22 20:17:19

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-12-24 14:27:35

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-12-23 01:01:04

Server State (curl)

Time of First Successful Submission: 2024-12-23 01:27:28

Server State (netcat)

Time of First Successful Submission: 2024-12-23 01:34:47

set-register

Time of First Successful Submission: 2026-02-21 20:06:38

set-multiple-registers

Time of First Successful Submission: 2026-02-21 20:07:32

add-to-register

Time of First Successful Submission: 2026-02-21 20:08:08

linear-equation-registers

Time of First Successful Submission: 2026-02-21 20:09:13

integer-division

Time of First Successful Submission: 2026-02-21 20:09:45

modulo-operation

Time of First Successful Submission: 2026-02-21 20:10:18

set-upper-byte

Time of First Successful Submission: 2026-02-21 20:10:49

efficient-modulo

Time of First Successful Submission: 2026-02-21 20:13:10

byte-extraction

Time of First Successful Submission: 2026-02-21 21:11:10

bitwise-and

Time of First Successful Submission: 2026-02-21 21:12:01

check-even

Time of First Successful Submission: 2026-02-21 21:13:00

memory-read

Time of First Successful Submission: 2026-02-21 21:13:39

memory-write

Time of First Successful Submission: 2026-02-21 21:14:16

memory-increment

Time of First Successful Submission: 2026-02-21 21:14:46

byte-access

Time of First Successful Submission: 2026-02-21 21:15:18

memory-size-access

Time of First Successful Submission: 2026-02-21 21:15:50

little-endian-write

Time of First Successful Submission: 2026-02-21 21:16:30

memory-sum

Time of First Successful Submission: 2026-02-21 21:17:05

stack-subtraction

Time of First Successful Submission: 2026-02-21 21:17:49

swap-stack-values

Time of First Successful Submission: 2026-02-21 21:18:56

average-stack-values

Time of First Successful Submission: 2026-02-21 21:19:45

absolute-jump

Time of First Successful Submission: 2026-02-21 21:20:27

relative-jump

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

jump-trampoline

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

conditional-jump

Time of First Successful Submission: 2026-02-21 21:26:16

indirect-jump

Time of First Successful Submission: 2026-02-21 21:27:19

average-loop

Time of First Successful Submission: 2026-02-21 21:32:19

count-non-zero

Time of First Successful Submission: 2026-02-21 21:33:14

string-lower

Time of First Successful Submission: 2026-03-02 02:05:06

most-common-byte

Time of First Successful Submission: 2026-03-02 02:08:45


Intro to Programming Languages

15 / 253 7784 / 38443


Commands

Time of First Successful Submission: 2024-10-18 07:44:08

Command Arguments

Time of First Successful Submission: 2024-10-18 07:51:46

Command History

Time of First Successful Submission: 2026-01-15 05:56:20

The Root Path

Time of First Successful Submission: 2024-11-05 02:47:43

Absolute Paths

Time of First Successful Submission: 2024-11-05 02:49:31

Changing position

Time of First Successful Submission: 2024-11-05 19:29:08

Changing to an Absolute Path

Time of First Successful Submission: 2024-11-05 19:32:31

Relative Paths

Time of First Successful Submission: 2024-11-05 19:53:49

Cat

Time of First Successful Submission: 2026-01-15 21:03:57

Ls

Time of First Successful Submission: 2026-01-15 21:12:10

Ls All

Time of First Successful Submission: 2026-01-15 21:16:20

Find

Time of First Successful Submission: 2026-01-15 21:25:30

Piping Echo

Time of First Successful Submission: 2026-01-16 01:52:40

Piping Stdout

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

Piping Stdin

Time of First Successful Submission: 2026-01-16 01:54:43


Intro to Cybersecurity

183 / 183 246 / 22195


Path Traversal 1

Time of First Successful Submission: 2025-01-11 22:58:20

Path Traversal 2

Time of First Successful Submission: 2025-11-05 05:09:44

CMDi 1

Time of First Successful Submission: 2025-11-05 05:30:18

CMDi 2

Time of First Successful Submission: 2025-11-05 05:50:08

CMDi 3

Time of First Successful Submission: 2025-11-05 06:00:07

CMDi 4

Time of First Successful Submission: 2025-11-05 06:07:14

CMDi 5

Time of First Successful Submission: 2025-11-05 06:15:15

CMDi 6

Time of First Successful Submission: 2025-11-05 06:21:56

Authentication Bypass 1

Time of First Successful Submission: 2025-11-05 06:28:20

Authentication Bypass 2

Time of First Successful Submission: 2025-11-06 01:19:23

SQLi 1

Time of First Successful Submission: 2025-11-06 01:25:17

SQLi 2

Time of First Successful Submission: 2025-11-06 01:29:06

SQLi 3

Time of First Successful Submission: 2025-11-06 01:38:04

SQLi 4

Time of First Successful Submission: 2025-11-06 01:42:20

SQLi 5

Time of First Successful Submission: 2025-11-06 01:48:57

XSS 1

Time of First Successful Submission: 2025-11-06 01:52:45

XSS 2

Time of First Successful Submission: 2025-11-06 01:58:28

XSS 3

Time of First Successful Submission: 2025-11-06 02:02:06

XSS 4

Time of First Successful Submission: 2025-11-06 02:03:58

XSS 5

Time of First Successful Submission: 2025-11-06 02:17:35

XSS 6

Time of First Successful Submission: 2025-11-06 02:20:39

XSS 7

Time of First Successful Submission: 2025-11-07 20:28:57

CSRF 1

Time of First Successful Submission: 2025-11-07 20:35:09

CSRF 2

Time of First Successful Submission: 2025-11-07 20:38:17

CSRF 3

Time of First Successful Submission: 2025-11-07 21:24:48

CSRF 4

Time of First Successful Submission: 2026-02-16 06:30:12

CSRF 5

Time of First Successful Submission: 2026-02-19 06:56:35

Connect

Time of First Successful Submission: 2024-12-29 00:53:05

Send

Time of First Successful Submission: 2026-03-02 07:29:29

Shutdown

Time of First Successful Submission: 2026-03-02 07:33:32

Listen

Time of First Successful Submission: 2024-12-29 00:58:57

Scan 1

Time of First Successful Submission: 2024-12-29 01:02:12

Scan 2

Time of First Successful Submission: 2026-04-07 04:31:36

Monitor 1

Time of First Successful Submission: 2026-04-07 04:38:26

Monitor 2

Time of First Successful Submission: 2026-04-07 05:03:53

Sniffing Cookies

Time of First Successful Submission: 2026-04-07 05:10:33

Network Configuration

Time of First Successful Submission: 2026-04-07 05:16:42

Firewall 1

Time of First Successful Submission: 2026-04-07 05:18:48

Firewall 2

Time of First Successful Submission: 2026-04-07 05:19:40

Firewall 3

Time of First Successful Submission: 2026-04-07 05:20:24

Denial of Service 1

Time of First Successful Submission: 2026-04-07 14:27:42

Denial of Service 2

Time of First Successful Submission: 2026-04-07 14:28:41

Denial of Service 3

Time of First Successful Submission: 2026-04-07 14:40:36

Ethernet

Time of First Successful Submission: 2026-04-07 06:05:31

IP

Time of First Successful Submission: 2026-04-07 06:06:16

TCP

Time of First Successful Submission: 2026-04-07 06:06:59

TCP Handshake

Time of First Successful Submission: 2026-04-07 06:07:33

UDP

Time of First Successful Submission: 2026-04-07 06:09:58

UDP 2

Time of First Successful Submission: 2026-04-07 06:11:16

UDP Spoofing 1

Time of First Successful Submission: 2026-04-07 06:12:21

UDP Spoofing 2

Time of First Successful Submission: 2026-04-07 06:14:32

UDP Spoofing 3

Time of First Successful Submission: 2026-04-07 06:19:49

UDP Spoofing 4

Time of First Successful Submission: 2026-04-07 06:25:38

ARP

Time of First Successful Submission: 2026-04-07 06:26:15

Intercept

Time of First Successful Submission: 2026-04-07 14:06:46

Man-in-the-Middle

Time of First Successful Submission: 2026-04-07 14:14:47

XOR

Time of First Successful Submission: 2025-01-15 19:53:55

XORing Hex

Time of First Successful Submission: 2025-01-15 22:37:02

XORing ASCII

Time of First Successful Submission: 2025-01-17 17:20:47

XORing ASCII Strings

Time of First Successful Submission: 2025-01-17 18:06:20

One-time Pad

Time of First Successful Submission: 2025-01-17 18:13:59

One-time Pad Tampering

Time of First Successful Submission: 2026-04-10 17:13:07

Many-time Pad

Time of First Successful Submission: 2026-04-10 17:15:42

AES

Time of First Successful Submission: 2026-04-10 17:16:53

AES-ECB-CPA

Time of First Successful Submission: 2026-04-10 17:20:44

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-10 17:26:40

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-10 17:28:11

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-10 17:32:46

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-13 03:09:09

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-13 03:10:22

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-04-13 03:23:55

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-04-13 03:32:40

AES-CBC

Time of First Successful Submission: 2026-04-13 03:33:43

AES-CBC Tampering

Time of First Successful Submission: 2026-04-13 03:36:41

AES-CBC Resizing

Time of First Successful Submission: 2026-04-13 03:37:44

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-04-13 03:44:18

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-04-13 03:52:43

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-04-13 04:12:44

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-04-13 04:28:07

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-04-13 04:28:52

DHKE

Time of First Successful Submission: 2026-04-13 04:37:09

DHKE-to-AES

Time of First Successful Submission: 2026-04-13 04:40:12

RSA 1

Time of First Successful Submission: 2026-04-13 04:42:47

RSA 2

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

RSA 3

Time of First Successful Submission: 2026-04-13 04:44:35

RSA 4

Time of First Successful Submission: 2026-04-13 04:50:24

RSA Signatures

Time of First Successful Submission: 2026-04-13 04:58:15

SHA 1

Time of First Successful Submission: 2026-04-13 05:12:19

SHA 2

Time of First Successful Submission: 2026-04-13 05:13:27

TLS 1

Time of First Successful Submission: 2026-04-13 05:16:04

TLS 2

Time of First Successful Submission: 2026-04-13 05:16:52

level1

Time of First Successful Submission: 2025-12-18 06:08:57

level2

Time of First Successful Submission: 2025-12-18 06:13:04

level3

Time of First Successful Submission: 2025-12-18 06:15:35

level4

Time of First Successful Submission: 2025-12-18 06:16:39

level5

Time of First Successful Submission: 2025-12-18 06:35:24

level6

Time of First Successful Submission: 2025-12-18 06:54:12

level7

Time of First Successful Submission: 2025-12-18 06:58:13

level8

Time of First Successful Submission: 2025-12-18 07:01:16

level9

Time of First Successful Submission: 2025-12-18 07:02:44

level10

Time of First Successful Submission: 2025-12-18 07:05:03

level11

Time of First Successful Submission: 2025-12-18 07:12:09

level12

Time of First Successful Submission: 2026-01-05 19:18:33

level13

Time of First Successful Submission: 2026-01-05 19:20:54

level14

Time of First Successful Submission: 2026-01-05 19:22:42

level15

Time of First Successful Submission: 2026-01-05 19:23:37

level16

Time of First Successful Submission: 2026-01-05 19:25:27

level17

Time of First Successful Submission: 2026-04-03 04:56:57

level18

Time of First Successful Submission: 2026-04-03 04:57:25

level19

Time of First Successful Submission: 2026-04-03 04:58:35

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-03-09 04:52:59

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-03-09 05:32:57

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-03-09 05:35:52

Reading Endianness (Python)

Time of First Successful Submission: 2026-03-09 05:38:10

Reading Endianness (C)

Time of First Successful Submission: 2026-03-09 05:40:20

Reading Endianness (x86)

Time of First Successful Submission: 2026-03-09 05:41:38

Version Information (Python)

Time of First Successful Submission: 2026-03-09 05:42:40

Version Information (C)

Time of First Successful Submission: 2026-03-09 05:43:32

Version Information (x86)

Time of First Successful Submission: 2026-03-09 05:45:35

Metadata and Data (Python)

Time of First Successful Submission: 2026-03-09 05:47:22

Metadata and Data (C)

Time of First Successful Submission: 2026-03-09 05:49:47

Metadata and Data (x86)

Time of First Successful Submission: 2026-03-09 05:55:00

Input Restrictions (Python)

Time of First Successful Submission: 2026-03-09 05:56:42

Input Restrictions (C)

Time of First Successful Submission: 2026-03-09 05:58:09

Input Restrictions (x86)

Time of First Successful Submission: 2026-03-09 06:00:12

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-03-09 06:01:47

Behold the cIMG! (C)

Time of First Successful Submission: 2026-03-09 06:05:15

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-03-09 06:06:49

A Basic cIMG (Python)

Time of First Successful Submission: 2026-03-09 06:08:26

A Basic cIMG (C)

Time of First Successful Submission: 2026-03-23 03:16:43

A Basic cIMG (x86)

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

Internal State Mini (C)

Time of First Successful Submission: 2026-03-23 03:31:15

Internal State Mini (x86)

Time of First Successful Submission: 2026-03-23 03:35:08

Internal State (C)

Time of First Successful Submission: 2026-03-23 03:39:02

Internal State (x86)

Time of First Successful Submission: 2026-03-23 03:41:10

File Formats: Directives (C)

Time of First Successful Submission: 2026-03-23 03:45:46

File Formats: Directives (x86)

Time of First Successful Submission: 2026-03-23 03:50:52

The Patch Directive

Time of First Successful Submission: 2026-03-23 04:01:28

Optimizing for Space

Time of First Successful Submission: 2026-03-23 04:30:33

Tweaking Images

Time of First Successful Submission: 2026-03-23 20:10:54

Storage and Retrieval

Time of First Successful Submission: 2026-03-23 06:10:50

Extracting Knowledge

Time of First Successful Submission: 2026-03-23 06:15:20

Advanced Sprites

Time of First Successful Submission: 2026-03-23 20:26:19

Accessing Resources

Time of First Successful Submission: 2026-03-23 20:32:44

Unsafe Animations

Time of First Successful Submission: 2026-03-23 20:43:01

Animations

Time of First Successful Submission: 2026-03-23 21:05:16

Interoperability: Patching Data

Time of First Successful Submission: 2026-03-23 21:30:50

Patching Code

Time of First Successful Submission: 2026-03-24 02:52:05

Patching Control Flow

Time of First Successful Submission: 2026-03-24 02:31:38

Your First Overflow (easy)

Time of First Successful Submission: 2026-03-24 17:49:09

Your First Overflow (hard)

Time of First Successful Submission: 2026-03-24 17:50:17

Precision (easy)

Time of First Successful Submission: 2026-03-24 17:51:42

Precision (hard)

Time of First Successful Submission: 2026-03-24 17:53:22

Variable Control (easy)

Time of First Successful Submission: 2026-03-24 17:54:43

Variable Control (hard)

Time of First Successful Submission: 2026-03-24 17:56:03

Control Hijack (easy)

Time of First Successful Submission: 2026-03-24 18:07:54

Control Hijack (hard)

Time of First Successful Submission: 2026-03-24 18:07:10

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-03-24 18:10:50

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-03-24 18:12:19

PIEs (easy)

Time of First Successful Submission: 2026-03-24 18:21:23

PIEs (hard)

Time of First Successful Submission: 2026-03-24 18:26:02

String Lengths (easy)

Time of First Successful Submission: 2026-03-24 18:35:54

String Lengths (hard)

Time of First Successful Submission: 2026-04-03 04:22:54

Basic Shellcode

Time of First Successful Submission: 2026-04-03 04:25:15

NOP Sleds

Time of First Successful Submission: 2026-04-03 04:27:35

NULL-Free Shellcode

Time of First Successful Submission: 2026-04-03 04:29:37

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-04-03 04:32:54

Hijack to (Mapped) Shellcode (hard)

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

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-04-03 04:43:20

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-04-03 04:46:51

ECB-to-Win (easy)

Time of First Successful Submission: 2026-04-03 05:07:09

ECB-to-Win (hard)

Time of First Successful Submission: 2026-04-03 05:09:46

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-04-03 05:11:54

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-04-03 05:33:41

CIMG Screenshots

Time of First Successful Submission: 2026-04-24 03:10:47

CIMG Screenshots 2

Time of First Successful Submission: 2026-04-24 16:56:19

Wily Webserver

Time of First Successful Submission: 2026-04-24 17:47:08

The Watering Hole

Time of First Successful Submission: 2026-07-08 01:14:49

Secure Chat 1

Time of First Successful Submission: 2026-04-07 19:42:52

Secure Chat 2

Time of First Successful Submission: 2026-04-08 18:03:56

Secure Chat 3

Time of First Successful Submission: 2026-07-08 02:44:25

Secure Chat 4

Time of First Successful Submission: 2026-07-08 02:49:00

Secure Chat 5

Time of First Successful Submission: 2026-07-08 03:01:01


Program Security

159 / 162 155 / 10231


ello ackers!

Time of First Successful Submission: 2026-05-19 07:53:52

Syscall Smuggler

Time of First Successful Submission: 2026-05-19 08:09:30

Syscall Shenanigans

Time of First Successful Submission: 2026-05-20 00:28:38

Byte Budget

Time of First Successful Submission: 2026-07-02 20:21:29

ClobberCode

Time of First Successful Submission: 2026-07-02 20:26:33

Diverse Delivery

Time of First Successful Submission: 2026-07-02 20:29:46

Pocket Payload

Time of First Successful Submission: 2026-07-02 21:55:06

Micro Menace

Time of First Successful Submission: 2026-07-02 21:57:03

Login Leakage (Easy)

Time of First Successful Submission: 2026-07-02 21:59:39

Login Leakage (Hard)

Time of First Successful Submission: 2026-07-02 22:00:39

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-07-02 22:02:24

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-07-02 22:03:38

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-07-02 22:06:17

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-07-02 22:08:24

Pointer Problems (Easy)

Time of First Successful Submission: 2026-07-02 22:09:28

Pointer Problems (Hard)

Time of First Successful Submission: 2026-07-06 16:31:59

Anomalous Array (Easy)

Time of First Successful Submission: 2026-07-06 16:34:52

Anomalous Array (Hard)

Time of First Successful Submission: 2026-07-06 17:12:29

Now you got it (Easy)

Time of First Successful Submission: 2026-07-06 17:16:46

Now you got it (Hard)

Time of First Successful Submission: 2026-07-06 17:22:03

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-07-06 17:27:04

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-07-06 17:29:15

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-07-06 17:31:07

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-07-06 17:32:32

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-07-06 17:42:07

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-07-06 17:47:16

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-07-06 17:48:17

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-07-06 17:52:18

Latent Leak (Easy)

Time of First Successful Submission: 2026-07-06 17:53:45

Latent Leak (Hard)

Time of First Successful Submission: 2026-07-06 17:56:41

Fork Foolery (Easy)

Time of First Successful Submission: 2026-07-06 18:01:04

Fork Foolery (Hard)

Time of First Successful Submission: 2026-07-06 18:02:25

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-07-06 18:03:48

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-07-06 18:06:22

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-07-06 18:07:47

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-07-06 18:09:12

Can It Fizz?

Time of First Successful Submission: 2026-07-06 18:15:28

Does It Buzz?

Time of First Successful Submission: 2026-07-06 18:17:15

Make It FizzBuzz

Time of First Successful Submission: 2026-07-06 18:24:02

Terrible Token (Easy)

Time of First Successful Submission: 2026-07-08 03:21:28

Terrible Token (Hard)

Time of First Successful Submission: 2026-07-08 03:24:05

Tangled Ticket (Easy)

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

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-07-08 03:29:31

Bit Bender

Time of First Successful Submission: 2026-07-08 03:47:59

Substitution Sorcery

Time of First Successful Submission: 2026-07-08 04:16:19

Meager Mangler (Easy)

Time of First Successful Submission: 2026-07-08 04:20:31

Meager Mangler (Hard)

Time of First Successful Submission: 2026-07-08 04:26:55

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-07-08 04:29:44

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-07-08 04:33:13

Patched Up (Easy)

Time of First Successful Submission: 2026-07-08 04:35:36

Patched Up (Hard)

Time of First Successful Submission: 2026-07-08 04:37:18

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-07-08 04:38:50

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-07-08 04:39:36

Patch Perfect (Easy)

Time of First Successful Submission: 2026-07-08 04:41:44

Patch Perfect (Hard)

Time of First Successful Submission: 2026-07-08 04:43:50

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-07-08 04:57:44

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-07-08 05:01:45

Know the Yancode (Easy)

Time of First Successful Submission: 2026-07-08 05:03:50

Know the Yancode (Hard)

Time of First Successful Submission: 2026-07-08 05:11:16

Master the Yancode (Easy)

Time of First Successful Submission: 2026-07-08 05:27:42

Master the Yancode (Hard)

Time of First Successful Submission: 2026-07-08 05:32:26

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-07-08 05:48:48

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-07-08 05:52:38

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-07-08 06:01:47

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-07-08 06:15:26

The Yangler (Easy)

Time of First Successful Submission: 2026-07-08 06:27:29

The Yangler (Hard)

Time of First Successful Submission: 2026-07-08 06:36:59

Yancraft (Easy)

Time of First Successful Submission: 2026-07-08 06:43:15

Yancraft (Hard)

Time of First Successful Submission: 2026-07-08 06:51:08

Yansanity (Easy)

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

Yansanity (Hard)

Time of First Successful Submission: 2026-07-08 07:17:11

When the Cow Says Moo

Time of First Successful Submission: 2026-07-08 07:31:38

Predictable Migration

Time of First Successful Submission: 2026-07-08 07:43:30

Hashing Heifers

Time of First Successful Submission: 2026-07-08 07:48:05

Salty Stampede

Time of First Successful Submission: 2026-07-08 08:01:19

Loose Link (Easy)

Time of First Successful Submission: 2026-07-08 15:43:04

Loose Link (Hard)

Time of First Successful Submission: 2026-07-08 15:45:58

Call Chain (Easy)

Time of First Successful Submission: 2026-07-08 15:49:18

Call Chain (Hard)

Time of First Successful Submission: 2026-07-08 15:50:57

Chain of Command (Easy)

Time of First Successful Submission: 2026-07-08 15:54:49

Chain of Command (Hard)

Time of First Successful Submission: 2026-07-08 15:56:59

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-07-08 16:12:53

Stop, Pop, and ROP (Hard)

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

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-07-08 16:18:44

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-07-08 16:20:33

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-07-08 16:25:40

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-07-08 16:27:42

Leaky Libc (Easy)

Time of First Successful Submission: 2026-07-08 16:37:11

Leaky Libc (Hard)

Time of First Successful Submission: 2026-07-08 16:39:16

Putsception (Easy)

Time of First Successful Submission: 2026-07-08 17:11:39

Putsception (Hard)

Time of First Successful Submission: 2026-07-08 17:14:08

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-07-08 17:50:36

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-07-08 17:53:30

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-07-08 17:56:44

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-07-08 17:58:31

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-07-08 18:02:09

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-07-08 18:04:36

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-07-08 18:21:25

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-07-08 18:29:05

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-07-13 06:36:54

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-07-13 06:39:47

ROP Roulette (Easy)

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

ROP Roulette (Hard)

Time of First Successful Submission: 2026-07-13 07:24:23

Libc Lottery (Easy)

Time of First Successful Submission: 2026-07-13 07:36:27

Libc Lottery (Hard)

Time of First Successful Submission: 2026-07-14 05:15:32

Freebie (Easy)

Time of First Successful Submission: 2026-07-08 20:18:22

Freebie (Hard)

Time of First Successful Submission: 2026-07-08 20:21:23

Freebin Feint (Easy)

Time of First Successful Submission: 2026-07-08 20:27:28

Freebin Feint (Hard)

Time of First Successful Submission: 2026-07-08 20:32:05

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-07-08 20:35:27

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-07-08 20:37:51

Fickle Free (Easy)

Time of First Successful Submission: 2026-07-08 20:42:09

Fickle Free (Hard)

Time of First Successful Submission: 2026-07-08 20:44:30

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-07-08 20:49:46

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-07-08 20:51:31

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-07-08 20:57:13

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-07-08 21:00:30

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-07-08 21:05:28

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-07-08 21:08:49

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-07-08 21:17:23

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-07-08 21:40:57

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-07-08 21:47:35

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-07-08 22:52:28

Sus Sequence (Easy)

Time of First Successful Submission: 2026-07-08 22:53:46

Sus Sequence (Hard)

Time of First Successful Submission: 2026-07-08 22:54:40

Echo Emanations (Easy)

Time of First Successful Submission: 2026-07-08 23:02:07

Echo Emanations (Hard)

Time of First Successful Submission: 2026-07-08 23:03:29

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-07-08 23:06:03

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-07-08 23:11:47

Stack Summoning (Easy)

Time of First Successful Submission: 2026-07-08 23:19:49

Stack Summoning (Hard)

Time of First Successful Submission: 2026-07-08 23:22:51

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-07-08 23:25:24

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-07-08 23:28:54

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-07-08 23:32:50

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-07-08 23:34:10

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-07-08 23:38:08

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-07-08 23:52:38

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-07-09 00:01:34

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-07-09 03:25:37

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-07-09 03:28:13

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-07-09 03:30:29

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-07-09 03:33:34

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-07-09 03:41:58

Tcache Terror (Easy)

Time of First Successful Submission: 2026-07-11 06:24:24

Tcache Terror (Hard)

Time of First Successful Submission: 2026-07-11 07:15:48

Containment Composition (Easy)

Time of First Successful Submission: 2026-07-09 06:02:29

Containment Composition (Hard)

Time of First Successful Submission: 2026-07-09 21:16:28

Constant Corruption (Easy)

Time of First Successful Submission: 2026-07-09 21:35:15

Constant Corruption (Hard)

Time of First Successful Submission: 2026-07-09 21:39:38

Return to YanLand (Easy)

Time of First Successful Submission: 2026-07-09 21:46:37

Return to YanLand (Hard)

Time of First Successful Submission: 2026-07-09 21:57:21

Escape from YanLand (Easy)

Time of First Successful Submission: 2026-07-09 22:01:14

Escape from YanLand (Hard)

Time of First Successful Submission: 2026-07-09 22:08:57

The YanFilter (Easy)

Time of First Successful Submission: 2026-07-09 22:39:43

The YanFilter (Hard)

Time of First Successful Submission: 2026-07-09 22:52:24

The Great YanFilter (Easy)

Time of First Successful Submission: 2026-07-09 23:07:06

The Great YanFilter (Hard)

Time of First Successful Submission: 2026-07-09 23:15:41

Yan85 Reborn (Easy)

Time of First Successful Submission: 2026-07-09 23:20:01

Yan85 Reborn (Hard)

Time of First Successful Submission: 2026-07-09 23:45:17


System Security

77 / 95 280 / 3616


chroot-escape-basic

Time of First Successful Submission: 2026-07-13 22:27:28

chroot-shellcode

Time of First Successful Submission: 2026-07-13 22:30:54

chroot-proper

Time of First Successful Submission: 2026-07-13 22:32:34

seccomp-basic

Time of First Successful Submission: 2026-07-13 22:34:07

seccomp-linkat

Time of First Successful Submission: 2026-07-13 22:34:50

seccomp-fchdir

Time of First Successful Submission: 2026-07-13 22:35:39

seccomp-rechroot

Time of First Successful Submission: 2026-07-13 22:36:29

seccomp-only

Time of First Successful Submission: 2026-07-16 16:05:43

seccomp-arch32

Time of First Successful Submission: 2026-07-16 16:10:31

seccomp-minimal

Time of First Successful Submission: 2026-07-16 16:17:25

seccomp-timebased

Time of First Successful Submission: 2026-07-16 16:21:22

seccomp-readonly

Time of First Successful Submission: 2026-07-16 16:25:16

process-isolation

Time of First Successful Submission: 2026-07-16 16:27:14

mount-namespace

Time of First Successful Submission: 2026-07-16 16:28:53

mount-cleanup

Time of First Successful Submission: 2026-07-16 16:36:38

mount-readonly

Time of First Successful Submission: 2026-07-16 16:38:10

mount-shellcode

Time of First Successful Submission: 2026-07-16 16:39:45

mount-bindmount

Time of First Successful Submission: 2026-07-16 16:46:54

level1.0

Time of First Successful Submission: 2026-07-16 17:12:56

level1.1

Time of First Successful Submission: 2026-07-16 17:14:50

level2.0

Time of First Successful Submission: 2026-07-16 17:16:29

level2.1

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

level3.0

Time of First Successful Submission: 2026-07-16 17:19:48

level3.1

Time of First Successful Submission: 2026-07-16 17:21:09

level4.0

Time of First Successful Submission: 2026-07-16 17:23:09

level4.1

Time of First Successful Submission: 2026-07-16 17:30:00

level5.0

Time of First Successful Submission: 2026-07-16 17:38:35

level5.1

Time of First Successful Submission: 2026-07-16 17:46:15

level6.0

Time of First Successful Submission: 2026-07-16 17:48:45

level6.1

Time of First Successful Submission: 2026-07-16 17:50:59

level7.0

Time of First Successful Submission: 2026-07-16 17:52:58

level7.1

Time of First Successful Submission: 2026-07-16 17:55:33

level8.0

Time of First Successful Submission: 2026-07-16 17:58:10

level8.1

Time of First Successful Submission: 2026-07-16 18:00:54

level9.0

Time of First Successful Submission: 2026-07-16 18:32:25

level9.1

Time of First Successful Submission: 2026-07-16 18:35:47

level10.0

Time of First Successful Submission: 2026-07-16 18:49:04

level10.1

Time of First Successful Submission: 2026-07-21 19:50:05

level11.0

Time of First Successful Submission: 2026-07-21 20:20:26

level11.1

Time of First Successful Submission: 2026-07-21 20:24:26

level1.0

Time of First Successful Submission: 2026-07-21 20:40:06

level1.1

Time of First Successful Submission: 2026-07-21 20:41:42

level2.0

Time of First Successful Submission: 2026-07-21 20:43:25

level2.1

Time of First Successful Submission: 2026-07-21 20:44:38

level3.0

Time of First Successful Submission: 2026-07-21 20:46:35

level3.1

Time of First Successful Submission: 2026-07-21 20:53:23

level4.0

Time of First Successful Submission: 2026-07-21 21:02:08

level4.1

Time of First Successful Submission: 2026-07-21 21:06:22

level5.0

Time of First Successful Submission: 2026-07-22 19:07:21

level5.1

Time of First Successful Submission: 2026-07-22 19:13:16

level6.0

Time of First Successful Submission: 2026-07-22 19:28:37

level6.1

Time of First Successful Submission: 2026-07-22 19:31:53

level7.0

Time of First Successful Submission: 2026-07-22 19:52:15

level7.1

Time of First Successful Submission: 2026-07-22 19:56:09

level8.0

Time of First Successful Submission: 2026-07-22 20:07:10

level8.1

Time of First Successful Submission: 2026-07-22 20:13:36

level9.0

Time of First Successful Submission: 2026-07-26 20:19:52

level9.1

Time of First Successful Submission: 2026-07-26 20:23:13

level10.0

Time of First Successful Submission: 2026-07-26 20:29:20

level10.1

Time of First Successful Submission: 2026-07-26 20:32:14

level11.0

Time of First Successful Submission: 2026-07-26 20:39:35

level11.1

Time of First Successful Submission: 2026-07-26 20:41:40

level12.0

Time of First Successful Submission: 2026-07-26 20:46:17

level12.1

Time of First Successful Submission: 2026-07-26 20:48:20

Baby Spectre 1

Time of First Successful Submission: 2026-07-26 20:58:52

Baby Spectre 2

Time of First Successful Submission: 2026-07-26 21:01:05

Baby Spectre 3

Time of First Successful Submission: 2026-07-26 21:08:52

Baby Spectre 4

Time of First Successful Submission: 2026-07-26 21:11:48

Baby Spectre 5

Time of First Successful Submission: 2026-07-26 21:39:49

Prefetch Peek

Time of First Successful Submission: 2026-07-26 22:02:12

Spooky Spectre 1

Time of First Successful Submission: 2026-07-26 23:33:19

Spooky Spectre 2

Time of First Successful Submission: 2026-07-26 23:47:51

Yan85 Reloaded

Time of First Successful Submission: 2026-07-28 04:09:02

Molten Access

Time of First Successful Submission: 2026-07-30 08:00:44

Molten Walk

Time of First Successful Submission: 2026-07-30 08:16:41

level1.0

Time of First Successful Submission: 2026-07-22 05:27:07

level1.1

Time of First Successful Submission: 2026-07-22 05:32:14


Start Here

11 / 12 9510 / 52864


Using the Terminal

Time of First Successful Submission: 2026-01-15 05:51:33

Using the VSCode Workspace

Time of First Successful Submission: 2024-10-17 17:51:38

Using the GUI Desktop

Time of First Successful Submission: 2024-10-17 17:59:48

Pasting into the Desktop

Time of First Successful Submission: 2024-10-17 18:08:34

Restarting Challenges

Time of First Successful Submission: 2024-10-17 18:15:17

Challenge Programs

Time of First Successful Submission: 2024-10-17 18:56:26

The Flag File

Time of First Successful Submission: 2024-10-17 18:59:05

Using Privileged Mode

Time of First Successful Submission: 2024-10-18 07:14:53

Persistent Home Directories - One

Time of First Successful Submission: 2024-10-18 07:28:44

Persistent Home Directories - Two

Time of First Successful Submission: 2024-10-18 07:29:50


Linux Luminarium

128 / 128 1515 / 38977


Intro to Commands

Time of First Successful Submission: 2024-10-18 07:44:08

Intro to Arguments

Time of First Successful Submission: 2024-10-18 07:51:46

Command History

Time of First Successful Submission: 2026-01-15 05:56:20

The Root

Time of First Successful Submission: 2024-11-05 02:47:43

Program and absolute paths

Time of First Successful Submission: 2024-11-05 02:49:31

Position thy self

Time of First Successful Submission: 2024-11-05 19:29:08

Position elsewhere

Time of First Successful Submission: 2024-11-05 19:32:31

implicit relative paths, from /

Time of First Successful Submission: 2024-11-05 19:53:49

explicit relative paths, from /

Time of First Successful Submission: 2024-11-05 19:55:40

implicit relative path

Time of First Successful Submission: 2024-11-05 20:06:14

home sweet home

Time of First Successful Submission: 2026-01-15 21:02:30

cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-15 21:03:57

catting absolute paths

Time of First Successful Submission: 2026-01-15 21:04:38

more catting practice

Time of First Successful Submission: 2026-01-15 21:06:46

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-15 21:08:08

comparing files

Time of First Successful Submission: 2026-01-15 21:09:06

listing files

Time of First Successful Submission: 2026-01-15 21:12:10

touching files

Time of First Successful Submission: 2026-01-15 21:12:44

removing files

Time of First Successful Submission: 2026-01-15 21:13:29

moving files

Time of First Successful Submission: 2026-01-15 21:14:12

copying files

Time of First Successful Submission: 2026-01-15 21:14:47

hidden files

Time of First Successful Submission: 2026-01-15 21:16:20

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-15 21:22:19

making directories

Time of First Successful Submission: 2026-01-15 21:23:26

finding files

Time of First Successful Submission: 2026-01-15 21:25:30

linking files

Time of First Successful Submission: 2026-01-15 21:40:03

Learning From Documentation

Time of First Successful Submission: 2026-01-15 21:40:35

Learning Complex Usage

Time of First Successful Submission: 2026-01-15 21:41:19

Reading Manuals

Time of First Successful Submission: 2026-01-15 21:45:51

Searching Manuals

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

Searching For Manuals

Time of First Successful Submission: 2026-01-16 01:30:28

Helpful Programs

Time of First Successful Submission: 2026-01-16 01:31:36

Help for Builtins

Time of First Successful Submission: 2026-01-16 01:33:25

Matching with *

Time of First Successful Submission: 2026-01-16 01:34:15

Matching with ?

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

Matching with []

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

Matching paths with []

Time of First Successful Submission: 2026-01-16 01:37:31

Multiple globs

Time of First Successful Submission: 2026-01-16 01:40:38

Mixing globs

Time of First Successful Submission: 2026-01-16 01:42:29

Exclusionary globbing

Time of First Successful Submission: 2026-01-16 01:43:02

Tab completion

Time of First Successful Submission: 2026-01-16 01:47:05

Multiple options for tab completion

Time of First Successful Submission: 2026-01-16 01:49:39

Tab completion on commands

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

Redirecting output

Time of First Successful Submission: 2026-01-16 01:52:40

Redirecting more output

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

Appending output

Time of First Successful Submission: 2026-01-16 01:53:40

Redirecting errors

Time of First Successful Submission: 2026-01-16 01:54:13

Redirecting input

Time of First Successful Submission: 2026-01-16 01:54:43

Grepping stored results

Time of First Successful Submission: 2026-01-16 01:55:28

Grepping live output

Time of First Successful Submission: 2026-01-16 01:55:57

Grepping errors

Time of First Successful Submission: 2026-01-16 01:56:46

Filtering with grep -v

Time of First Successful Submission: 2026-01-16 01:57:36

Filtering with sed

Time of First Successful Submission: 2026-01-16 01:58:15

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-16 01:59:29

Process substitution for input

Time of First Successful Submission: 2026-01-16 02:00:01

Writing to multiple programs

Time of First Successful Submission: 2026-01-16 02:00:34

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-16 02:01:11

Named pipes

Time of First Successful Submission: 2026-01-16 02:09:52

Printing Variables

Time of First Successful Submission: 2026-01-16 02:10:41

Setting Variables

Time of First Successful Submission: 2026-01-16 02:11:08

Multi-word Variables

Time of First Successful Submission: 2026-01-16 02:11:31

Exporting Variables

Time of First Successful Submission: 2026-01-16 02:13:25

Printing Exported Variables

Time of First Successful Submission: 2026-01-16 02:13:51

Storing Command Output

Time of First Successful Submission: 2026-01-16 02:14:19

Reading Input

Time of First Successful Submission: 2026-01-16 02:14:58

Reading Files

Time of First Successful Submission: 2026-01-16 02:15:48

Translating characters

Time of First Successful Submission: 2026-01-18 20:11:21

Deleting characters

Time of First Successful Submission: 2026-01-18 20:12:14

Deleting newlines

Time of First Successful Submission: 2026-01-18 20:12:59

Extracting the first lines with head

Time of First Successful Submission: 2026-01-18 20:13:53

Extracting specific sections of text

Time of First Successful Submission: 2026-01-18 20:14:44

Sorting data

Time of First Successful Submission: 2026-01-18 20:15:23

Listing Processes

Time of First Successful Submission: 2026-01-18 20:19:12

Killing Processes

Time of First Successful Submission: 2026-01-19 00:32:40

Interrupting Processes

Time of First Successful Submission: 2026-01-19 00:33:36

Killing Misbehaving Processes

Time of First Successful Submission: 2026-01-19 00:39:08

Suspending Processes

Time of First Successful Submission: 2026-01-19 00:40:48

Resuming Processes

Time of First Successful Submission: 2026-01-19 00:42:20

Backgrounding Processes

Time of First Successful Submission: 2026-01-19 00:45:04

Foregrounding Processes

Time of First Successful Submission: 2026-01-19 00:46:14

Starting Backgrounded Processes

Time of First Successful Submission: 2026-01-19 00:46:56

Process Exit Codes

Time of First Successful Submission: 2026-01-19 00:47:41

Becoming root with su

Time of First Successful Submission: 2026-01-19 00:49:20

Other users with su

Time of First Successful Submission: 2026-01-19 00:50:23

Cracking passwords

Time of First Successful Submission: 2026-01-19 00:52:55

Using sudo

Time of First Successful Submission: 2026-01-19 00:53:42

Changing File Ownership

Time of First Successful Submission: 2026-01-19 00:56:01

Groups and Files

Time of First Successful Submission: 2026-01-19 00:56:49

Fun With Groups Names

Time of First Successful Submission: 2026-01-19 01:00:18

Changing Permissions

Time of First Successful Submission: 2026-01-19 01:01:26

Executable Files

Time of First Successful Submission: 2026-01-19 01:02:18

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-19 01:08:14

Permissions Setting Practice

Time of First Successful Submission: 2026-01-19 01:15:57

The SUID Bit

Time of First Successful Submission: 2026-01-19 01:16:55

Chaining with Semicolons

Time of First Successful Submission: 2026-01-19 01:18:23

Building on Success

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

Handling Failure

Time of First Successful Submission: 2026-01-19 01:20:29

Your First Shell Script

Time of First Successful Submission: 2026-01-19 01:21:06

Redirecting Script Output

Time of First Successful Submission: 2026-01-19 01:21:48

Executable Shell Scripts

Time of First Successful Submission: 2026-01-19 01:22:23

Understanding Shebangs

Time of First Successful Submission: 2026-01-19 01:23:06

Scripting with Arguments

Time of First Successful Submission: 2026-01-19 01:23:57

Scripting with Conditionals

Time of First Successful Submission: 2026-01-19 01:24:35

Scripting with Default Cases

Time of First Successful Submission: 2026-01-19 01:25:22

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-19 01:26:11

Reading Shell Scripts

Time of First Successful Submission: 2026-01-19 01:27:43

Launching Screen

Time of First Successful Submission: 2026-01-19 01:29:10

Detaching and Attaching

Time of First Successful Submission: 2026-01-19 01:38:49

Finding Sessions

Time of First Successful Submission: 2026-01-19 01:41:21

Switching Windows

Time of First Successful Submission: 2026-01-19 01:44:31

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-19 01:46:07

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-19 01:47:10

The PATH Variable

Time of First Successful Submission: 2026-01-19 02:17:04

Setting PATH

Time of First Successful Submission: 2026-01-19 02:17:57

Finding Commands

Time of First Successful Submission: 2026-01-19 02:19:30

Adding Commands

Time of First Successful Submission: 2026-01-19 02:20:11

Hijacking Commands

Time of First Successful Submission: 2026-01-19 02:22:06

Bashrc Backdoor

Time of First Successful Submission: 2026-01-19 02:22:57

Sniffing Input

Time of First Successful Submission: 2026-01-19 02:23:55

Overshared Directories

Time of First Successful Submission: 2026-01-19 02:25:50

Tricky Linking

Time of First Successful Submission: 2026-01-19 02:32:09

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-19 02:33:33

Snooping on Configurations

Time of First Successful Submission: 2026-01-19 02:34:19

The Fork Bomb

Time of First Successful Submission: 2026-01-19 02:36:29

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-19 02:45:01

rm -rf /

Time of First Successful Submission: 2026-01-19 06:00:43

Life after rm -rf /

Time of First Successful Submission: 2026-01-19 06:06:22

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-19 06:10:42


Computing 101

64 / 132 877 / 21613


Your First Register

Time of First Successful Submission: 2026-02-21 18:31:43

Your First Syscall

Time of First Successful Submission: 2026-02-21 18:32:35

Exit Codes

Time of First Successful Submission: 2026-02-21 18:33:15

Building Executables

Time of First Successful Submission: 2026-02-21 18:34:00

Moving Between Registers

Time of First Successful Submission: 2026-02-21 18:35:24

Loading From Memory

Time of First Successful Submission: 2026-02-21 18:37:02

More Loading Practice

Time of First Successful Submission: 2026-02-21 18:37:47

Dereferencing Pointers

Time of First Successful Submission: 2026-02-21 18:38:42

Dereferencing Yourself

Time of First Successful Submission: 2026-02-21 18:39:30

Dereferencing with Offsets

Time of First Successful Submission: 2026-02-21 18:40:19

Stored Addresses

Time of First Successful Submission: 2026-02-21 18:41:05

Double Dereference

Time of First Successful Submission: 2026-02-21 18:41:53

The Stack

Time of First Successful Submission: 2026-02-21 19:04:40

Stack Offsets

Time of First Successful Submission: 2026-02-21 19:05:33

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-21 19:07:21

Popping From the Stack

Time of First Successful Submission: 2026-02-21 19:08:21

Disassembling Programs

Time of First Successful Submission: 2026-02-21 19:09:56

Tracing Syscalls

Time of First Successful Submission: 2026-02-21 19:10:58

Starting GDB

Time of First Successful Submission: 2026-02-21 19:12:47

Quitting GDB

Time of First Successful Submission: 2026-02-21 19:13:57

Starting Programs in GDB

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

Disassembling in GDB

Time of First Successful Submission: 2026-02-21 19:17:29

Stepping Through Instructions

Time of First Successful Submission: 2026-02-21 19:20:36

Reading Register Values

Time of First Successful Submission: 2026-02-21 19:21:56

Popping Stack Values

Time of First Successful Submission: 2026-02-21 19:23:03

Examining Memory

Time of First Successful Submission: 2026-02-21 19:24:20

Examining Stack Pointers

Time of First Successful Submission: 2026-02-21 19:29:18

Cooperative Debugging

Time of First Successful Submission: 2026-02-21 19:30:10

Writing Output

Time of First Successful Submission: 2026-02-21 19:39:17

Chaining Syscalls

Time of First Successful Submission: 2026-02-21 19:39:57

Writing Strings

Time of First Successful Submission: 2026-02-21 19:40:40

Reading Data

Time of First Successful Submission: 2026-02-21 19:41:28

Opening Files

Time of First Successful Submission: 2026-02-21 19:43:48

Hardcoding the Filename

Time of First Successful Submission: 2026-02-21 19:44:47

Comparing Values

Time of First Successful Submission: 2026-02-21 19:46:11

Comparing Characters

Time of First Successful Submission: 2026-02-21 19:46:52

Conditional Control Flow

Time of First Successful Submission: 2026-02-21 19:47:35

Comparing Strings

Time of First Successful Submission: 2026-02-21 19:48:25

Reverse the Password

Time of First Successful Submission: 2026-02-21 19:50:01

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-21 19:53:43

Recognizing Loops

Time of First Successful Submission: 2026-02-21 19:55:32

Reverse the Calculation

Time of First Successful Submission: 2026-02-21 19:57:21

Reverse the Reverse

Time of First Successful Submission: 2026-02-21 19:58:34

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-21 19:59:41

Loops on Data

Time of First Successful Submission: 2026-02-21 20:00:43

Debugging Programs

Time of First Successful Submission: 2026-03-02 04:38:18

Inspecting Registers

Time of First Successful Submission: 2026-03-02 04:42:13

Examining Memory

Time of First Successful Submission: 2026-03-02 04:50:13

Setting Breakpoints

Time of First Successful Submission: 2026-03-02 05:02:24

GDB Scripting

Time of First Successful Submission: 2026-03-02 05:26:16

Modifying Data

Time of First Successful Submission: 2026-03-02 05:28:27

Modifying Execution

Time of First Successful Submission: 2026-03-02 05:30:24

Broken Functions

Time of First Successful Submission: 2026-03-02 05:39:49

Exit

Time of First Successful Submission: 2026-03-02 05:42:07

Socket

Time of First Successful Submission: 2026-03-02 05:42:40

Bind

Time of First Successful Submission: 2026-03-02 05:43:15

Listen

Time of First Successful Submission: 2026-03-02 05:43:48

Accept

Time of First Successful Submission: 2026-03-02 05:44:22

Static Response

Time of First Successful Submission: 2026-03-02 05:45:56

Dynamic Response

Time of First Successful Submission: 2026-03-02 05:48:43

Iterative GET Server

Time of First Successful Submission: 2026-03-02 05:50:01

Concurrent GET Server

Time of First Successful Submission: 2026-03-02 05:51:01

Concurrent POST Server

Time of First Successful Submission: 2026-03-02 05:55:47

Web Server

Time of First Successful Submission: 2026-03-02 05:57:31


Playing With Programs

85 / 116 1669 / 24676


What's the password?

Time of First Successful Submission: 2026-01-26 02:36:35

... and again!

Time of First Successful Submission: 2026-01-26 03:25:31

Newline Troubles

Time of First Successful Submission: 2026-01-26 03:28:51

Reasoning about files

Time of First Successful Submission: 2026-01-26 03:31:18

Specifying Filenames

Time of First Successful Submission: 2026-01-26 03:32:21

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-26 03:33:43

More Hex

Time of First Successful Submission: 2026-01-26 03:34:52

Decoding Hex

Time of First Successful Submission: 2026-01-26 03:36:14

Decoding Practice

Time of First Successful Submission: 2026-01-26 03:37:35

Encoding Practice

Time of First Successful Submission: 2026-01-26 03:38:54

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-26 03:40:11

Nested Encoding

Time of First Successful Submission: 2026-01-26 03:42:17

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-26 03:43:20

UTF Mixups

Time of First Successful Submission: 2026-01-26 03:44:38

Modifying Encoded Data

Time of First Successful Submission: 2026-01-26 03:46:03

Decoding Base64

Time of First Successful Submission: 2025-01-17 18:12:19

Encoding Base64

Time of First Successful Submission: 2026-01-26 03:47:04

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-26 03:48:15

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-26 03:50:43

Your First HTTP Request

Time of First Successful Submission: 2026-02-02 04:23:49

Reading Flask

Time of First Successful Submission: 2026-02-02 04:26:35

Commented Data

Time of First Successful Submission: 2026-02-02 04:31:35

HTTP Metadata

Time of First Successful Submission: 2026-02-02 04:33:23

HTTP (netcat)

Time of First Successful Submission: 2024-12-21 22:12:26

HTTP Paths (netcat)

Time of First Successful Submission: 2024-12-21 22:38:34

HTTP (curl)

Time of First Successful Submission: 2024-12-21 22:36:06

HTTP (python)

Time of First Successful Submission: 2024-12-21 22:42:07

HTTP Host Header (python)

Time of First Successful Submission: 2024-12-21 22:34:47

HTTP Host Header (curl)

Time of First Successful Submission: 2024-12-21 22:26:54

HTTP Host Header (netcat)

Time of First Successful Submission: 2024-12-21 22:28:19

URL Encoding (netcat)

Time of First Successful Submission: 2024-12-21 22:49:57

HTTP GET Parameters

Time of First Successful Submission: 2024-12-21 22:51:06

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2024-12-21 23:07:58

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2024-12-21 23:01:48

HTTP Forms

Time of First Successful Submission: 2026-02-02 04:37:35

HTTP Forms (curl)

Time of First Successful Submission: 2024-12-21 23:11:29

HTTP Forms (netcat)

Time of First Successful Submission: 2024-12-24 14:34:10

HTTP Forms (python)

Time of First Successful Submission: 2024-12-22 00:26:57

HTTP Forms Without Forms

Time of First Successful Submission: 2026-02-02 04:41:30

Multiple Form Fields (curl)

Time of First Successful Submission: 2024-12-22 00:29:48

Multiple Form Fields (netcat)

Time of First Successful Submission: 2024-12-24 14:32:59

HTTP Redirects (netcat)

Time of First Successful Submission: 2024-12-23 01:07:08

HTTP Redirects (curl)

Time of First Successful Submission: 2024-12-23 01:02:28

HTTP Redirects (python)

Time of First Successful Submission: 2024-12-23 01:09:47

HTTP Cookies (curl)

Time of First Successful Submission: 2024-12-23 01:13:51

HTTP Cookies (netcat)

Time of First Successful Submission: 2024-12-23 01:16:49

HTTP Cookies (python)

Time of First Successful Submission: 2024-12-23 01:23:05

Server State (python)

Time of First Successful Submission: 2024-12-23 01:36:57

Listening Web

Time of First Successful Submission: 2026-02-02 04:44:13

Speaking Redirects

Time of First Successful Submission: 2026-02-02 04:48:35

JavaScript Redirects

Time of First Successful Submission: 2026-02-02 04:51:59

Including JavaScript

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

HTTP (javascript)

Time of First Successful Submission: 2026-02-02 05:08:37

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-02-02 05:12:07

HTTP Forms (javascript)

Time of First Successful Submission: 2026-02-02 05:14:39

cat

Time of First Successful Submission: 2026-03-02 08:09:26

more

Time of First Successful Submission: 2026-03-02 08:10:19

less

Time of First Successful Submission: 2026-03-02 08:10:50

tail

Time of First Successful Submission: 2026-03-02 08:11:20

head

Time of First Successful Submission: 2026-03-02 08:11:43

sort

Time of First Successful Submission: 2026-03-02 08:12:04

vim

Time of First Successful Submission: 2026-03-02 08:12:38

emacs

Time of First Successful Submission: 2026-03-02 08:13:04

nano

Time of First Successful Submission: 2026-03-02 08:14:37

rev

Time of First Successful Submission: 2026-03-02 08:15:39

od

Time of First Successful Submission: 2026-03-02 08:16:58

hd

Time of First Successful Submission: 2026-03-02 08:18:08

xxd

Time of First Successful Submission: 2026-03-02 08:19:04

base32

Time of First Successful Submission: 2026-03-02 08:19:58

base64

Time of First Successful Submission: 2026-03-02 08:21:05

split

Time of First Successful Submission: 2026-03-02 08:22:15

gzip

Time of First Successful Submission: 2026-03-02 08:22:57

bzip2

Time of First Successful Submission: 2026-03-02 08:23:51

zip

Time of First Successful Submission: 2026-03-02 08:27:53

tar

Time of First Successful Submission: 2026-03-02 08:29:04

SQL Queries

Time of First Successful Submission: 2026-02-02 05:18:10

Filtering SQL

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

Choosing Columns

Time of First Successful Submission: 2026-02-02 05:23:48

Exclusionary Filtering

Time of First Successful Submission: 2026-02-02 05:27:20

Filtering Strings

Time of First Successful Submission: 2026-02-02 05:30:01

Filtering on Expressions

Time of First Successful Submission: 2026-02-02 05:33:04

SELECTing Expressions

Time of First Successful Submission: 2026-02-02 05:48:24

Composite Conditions

Time of First Successful Submission: 2026-02-02 05:50:35

Reaching Your LIMITs

Time of First Successful Submission: 2026-02-02 05:52:47

Querying Metadata

Time of First Successful Submission: 2026-02-02 06:32:27


DSU Cyber Camps

11 / 104 9730 / 53174


Using the Terminal

Time of First Successful Submission: 2026-01-15 05:51:33

Using the VSCode Workspace

Time of First Successful Submission: 2024-10-17 17:51:38

Using the GUI Desktop

Time of First Successful Submission: 2024-10-17 17:59:48

Pasting into the Desktop

Time of First Successful Submission: 2024-10-17 18:08:34

Restarting Challenges

Time of First Successful Submission: 2024-10-17 18:15:17

Getting Help

Time of First Successful Submission: 2024-10-17 18:46:41

Challenge Programs

Time of First Successful Submission: 2024-10-17 18:56:26

The Flag File

Time of First Successful Submission: 2024-10-17 18:59:05

Using Privileged Mode

Time of First Successful Submission: 2024-10-18 07:14:53

Persistent Home Directories - One

Time of First Successful Submission: 2024-10-18 07:28:44

Persistent Home Directories - Two

Time of First Successful Submission: 2024-10-18 07:29:50


GCA CTF

11 / 104 9731 / 53176


Using the Terminal

Time of First Successful Submission: 2026-01-15 05:51:33

Using the VSCode Workspace

Time of First Successful Submission: 2024-10-17 17:51:38

Using the GUI Desktop

Time of First Successful Submission: 2024-10-17 17:59:48

Pasting into the Desktop

Time of First Successful Submission: 2024-10-17 18:08:34

Restarting Challenges

Time of First Successful Submission: 2024-10-17 18:15:17

Getting Help

Time of First Successful Submission: 2024-10-17 18:46:41

Challenge Programs

Time of First Successful Submission: 2024-10-17 18:56:26

The Flag File

Time of First Successful Submission: 2024-10-17 18:59:05

Using Privileged Mode

Time of First Successful Submission: 2024-10-18 07:14:53

Persistent Home Directories - One

Time of First Successful Submission: 2024-10-18 07:28:44

Persistent Home Directories - Two

Time of First Successful Submission: 2024-10-18 07:29:50