Triple Dereference

Time of First Successful Submission: 2025-11-14 14:26:01

set-register

Time of First Successful Submission: 2025-11-15 16:47:10

set-multiple-registers

Time of First Successful Submission: 2025-11-16 12:12:21

add-to-register

Time of First Successful Submission: 2025-11-16 12:17:25

linear-equation-registers

Time of First Successful Submission: 2025-11-16 12:23:12

integer-division

Time of First Successful Submission: 2025-11-16 12:30:36

modulo-operation

Time of First Successful Submission: 2025-11-16 12:37:11

set-upper-byte

Time of First Successful Submission: 2025-11-16 14:16:10

efficient-modulo

Time of First Successful Submission: 2025-11-16 14:30:28

byte-extraction

Time of First Successful Submission: 2025-11-16 16:44:37

bitwise-and

Time of First Successful Submission: 2025-11-16 17:02:18

check-even

Time of First Successful Submission: 2025-11-16 17:12:09

memory-read

Time of First Successful Submission: 2025-11-16 17:26:37

memory-write

Time of First Successful Submission: 2025-11-16 17:27:46

memory-increment

Time of First Successful Submission: 2025-11-16 17:30:10

byte-access

Time of First Successful Submission: 2025-11-16 17:56:27

memory-size-access

Time of First Successful Submission: 2025-11-17 15:33:50

little-endian-write

Time of First Successful Submission: 2025-11-17 15:43:08

memory-sum

Time of First Successful Submission: 2025-11-17 15:49:03

stack-subtraction

Time of First Successful Submission: 2025-11-17 15:53:17

swap-stack-values

Time of First Successful Submission: 2025-11-17 15:54:35

average-stack-values

Time of First Successful Submission: 2025-11-17 16:08:06

absolute-jump

Time of First Successful Submission: 2025-11-17 16:53:08

relative-jump

Time of First Successful Submission: 2025-11-17 17:08:32

jump-trampoline

Time of First Successful Submission: 2025-11-17 17:13:22

conditional-jump

Time of First Successful Submission: 2025-11-18 16:09:05

indirect-jump

Time of First Successful Submission: 2025-11-18 16:41:45

average-loop

Time of First Successful Submission: 2025-11-18 18:54:09

count-non-zero

Time of First Successful Submission: 2025-11-18 19:02:30

string-lower

Time of First Successful Submission: 2025-11-19 10:02:11

most-common-byte

Time of First Successful Submission: 2025-11-19 15:40:28

Day 02

Time of First Successful Submission: 2025-12-04 22:39:57

Level1

Time of First Successful Submission: 2026-07-04 14:25:25

Level2

Time of First Successful Submission: 2026-07-04 14:25:22

Level3

Time of First Successful Submission: 2026-07-04 14:25:19

Level4

Time of First Successful Submission: 2026-07-04 14:25:16

Level5

Time of First Successful Submission: 2026-07-04 14:25:14

Level6

Time of First Successful Submission: 2026-07-04 14:25:09

Level7

Time of First Successful Submission: 2026-07-04 14:25:07

Level8

Time of First Successful Submission: 2026-07-04 14:25:04

Level9

Time of First Successful Submission: 2026-07-04 14:25:01

Level10

Time of First Successful Submission: 2026-07-04 14:24:59

Level11

Time of First Successful Submission: 2026-07-04 14:24:56

Level12

Time of First Successful Submission: 2026-07-04 14:24:53

Level13

Time of First Successful Submission: 2026-07-04 14:24:50

Level14

Time of First Successful Submission: 2026-07-04 14:24:47

Level15

Time of First Successful Submission: 2026-07-04 14:24:42

PWN - 50 - exam

Time of First Successful Submission: 2026-07-06 11:12:12

PWN - 100 - presidential

Time of First Successful Submission: 2026-07-05 21:21:23

MISC - 50 - layers

Time of First Successful Submission: 2026-07-06 11:17:48

Lecture 1.1. Course Environment

Time of First Successful Submission: 2026-01-11 15:44:39

Lab 1.1 - Start Terminal

Time of First Successful Submission: 2026-01-11 16:10:31

P1.0 Level 1 Open /flag in VSCode

Time of First Successful Submission: 2026-01-11 17:17:12

Commands

Time of First Successful Submission: 2025-10-31 19:09:28

Command Arguments

Time of First Successful Submission: 2025-10-31 19:10:02

Command History

Time of First Successful Submission: 2025-10-31 19:10:43

The Root Path

Time of First Successful Submission: 2025-10-31 19:14:30

Absolute Paths

Time of First Successful Submission: 2025-10-31 19:15:37

Changing position

Time of First Successful Submission: 2025-10-31 19:16:38

Changing to an Absolute Path

Time of First Successful Submission: 2025-10-31 19:19:15

Relative Paths

Time of First Successful Submission: 2025-10-31 19:21:57

Cat

Time of First Successful Submission: 2025-10-31 19:53:23

Ls

Time of First Successful Submission: 2025-10-31 19:59:10

Ls All

Time of First Successful Submission: 2025-10-31 20:03:15

Find

Time of First Successful Submission: 2025-10-31 20:12:56

Piping Echo

Time of First Successful Submission: 2025-11-01 13:03:51

Piping Stdout

Time of First Successful Submission: 2025-11-01 13:06:13

Piping Stdin

Time of First Successful Submission: 2025-11-01 13:12:03

The Transient Path

Time of First Successful Submission: 2025-11-12 12:36:39

Level1

Time of First Successful Submission: 2026-07-04 14:25:25

Level2

Time of First Successful Submission: 2026-07-04 14:25:22

Level3

Time of First Successful Submission: 2026-07-04 14:25:19

Level4

Time of First Successful Submission: 2026-07-04 14:25:16

Level5

Time of First Successful Submission: 2026-07-04 14:25:14

Level6

Time of First Successful Submission: 2026-07-04 14:25:09

Level7

Time of First Successful Submission: 2026-07-04 14:25:07

Level8

Time of First Successful Submission: 2026-07-04 14:25:04

Level9

Time of First Successful Submission: 2026-07-04 14:25:01

Level10

Time of First Successful Submission: 2026-07-04 14:24:59

Level11

Time of First Successful Submission: 2026-07-04 14:24:56

Level12

Time of First Successful Submission: 2026-07-04 14:24:53

Level13

Time of First Successful Submission: 2026-07-04 14:24:50

Level14

Time of First Successful Submission: 2026-07-04 14:24:47

Level15

Time of First Successful Submission: 2026-07-04 14:24:42

Path Traversal 1

Time of First Successful Submission: 2026-01-01 18:42:00

Path Traversal 2

Time of First Successful Submission: 2026-01-01 19:46:26

CMDi 1

Time of First Successful Submission: 2026-01-01 22:08:42

CMDi 2

Time of First Successful Submission: 2026-01-01 22:47:48

CMDi 3

Time of First Successful Submission: 2026-01-01 23:32:22

CMDi 4

Time of First Successful Submission: 2026-01-01 23:38:36

CMDi 5

Time of First Successful Submission: 2026-01-02 09:20:13

CMDi 6

Time of First Successful Submission: 2026-01-03 08:10:23

Authentication Bypass 1

Time of First Successful Submission: 2026-01-03 17:44:04

Authentication Bypass 2

Time of First Successful Submission: 2026-01-03 17:50:29

SQLi 1

Time of First Successful Submission: 2026-01-04 13:29:55

SQLi 2

Time of First Successful Submission: 2026-01-04 13:41:52

SQLi 3

Time of First Successful Submission: 2026-01-04 15:43:10

SQLi 4

Time of First Successful Submission: 2026-01-04 16:55:00

SQLi 5

Time of First Successful Submission: 2026-01-05 00:58:25

XSS 1

Time of First Successful Submission: 2026-01-05 09:21:09

XSS 2

Time of First Successful Submission: 2026-01-05 09:53:19

XSS 3

Time of First Successful Submission: 2026-01-06 16:10:24

XSS 4

Time of First Successful Submission: 2026-01-06 16:13:47

XSS 5

Time of First Successful Submission: 2026-01-06 17:00:57

XSS 6

Time of First Successful Submission: 2026-01-06 17:38:38

XSS 7

Time of First Successful Submission: 2026-01-06 19:19:38

CSRF 1

Time of First Successful Submission: 2026-01-07 22:09:54

CSRF 2

Time of First Successful Submission: 2026-01-08 22:04:06

CSRF 3

Time of First Successful Submission: 2026-01-08 22:19:50

CSRF 4

Time of First Successful Submission: 2026-01-09 16:52:57

CSRF 5

Time of First Successful Submission: 2026-01-09 16:57:32

Connect

Time of First Successful Submission: 2026-01-09 23:46:18

Send

Time of First Successful Submission: 2026-01-10 10:13:32

Shutdown

Time of First Successful Submission: 2026-01-11 15:36:57

Listen

Time of First Successful Submission: 2026-01-11 15:42:11

Scan 1

Time of First Successful Submission: 2026-01-12 18:09:07

Scan 2

Time of First Successful Submission: 2026-01-12 22:10:00

Monitor 1

Time of First Successful Submission: 2026-01-12 22:15:56

Monitor 2

Time of First Successful Submission: 2026-01-13 10:19:34

Sniffing Cookies

Time of First Successful Submission: 2026-01-13 10:36:06

Network Configuration

Time of First Successful Submission: 2026-01-13 12:46:21

Firewall 1

Time of First Successful Submission: 2026-01-13 13:09:06

Firewall 2

Time of First Successful Submission: 2026-01-13 13:17:30

Firewall 3

Time of First Successful Submission: 2026-01-13 13:19:16

Denial of Service 1

Time of First Successful Submission: 2026-01-13 13:24:36

Denial of Service 2

Time of First Successful Submission: 2026-01-13 13:36:43

Denial of Service 3

Time of First Successful Submission: 2026-01-13 15:47:11

Ethernet

Time of First Successful Submission: 2026-01-13 19:00:46

IP

Time of First Successful Submission: 2026-01-13 19:48:26

TCP

Time of First Successful Submission: 2026-01-14 12:12:44

TCP Handshake

Time of First Successful Submission: 2026-01-14 13:05:30

UDP

Time of First Successful Submission: 2026-01-14 15:06:57

UDP 2

Time of First Successful Submission: 2026-01-14 16:17:13

UDP Spoofing 1

Time of First Successful Submission: 2026-01-14 16:35:23

UDP Spoofing 2

Time of First Successful Submission: 2026-01-14 19:46:23

UDP Spoofing 3

Time of First Successful Submission: 2026-01-14 23:12:24

UDP Spoofing 4

Time of First Successful Submission: 2026-01-14 23:47:31

ARP

Time of First Successful Submission: 2026-01-15 00:53:01

Intercept

Time of First Successful Submission: 2026-01-15 14:04:48

Man-in-the-Middle

Time of First Successful Submission: 2026-01-16 17:38:24

XOR

Time of First Successful Submission: 2026-01-20 14:59:53

XORing Hex

Time of First Successful Submission: 2026-01-20 15:05:59

XORing ASCII

Time of First Successful Submission: 2026-01-20 15:33:18

XORing ASCII Strings

Time of First Successful Submission: 2026-01-20 19:10:37

One-time Pad

Time of First Successful Submission: 2026-01-20 19:14:11

One-time Pad Tampering

Time of First Successful Submission: 2026-01-20 19:38:28

Many-time Pad

Time of First Successful Submission: 2026-01-20 19:54:34

AES

Time of First Successful Submission: 2026-01-21 12:35:18

AES-ECB-CPA

Time of First Successful Submission: 2026-01-24 15:33:36

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-03-05 20:51:14

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-03-05 21:02:41

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-03-06 12:58:09

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-03-07 01:11:44

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-03-07 13:57:45

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-03-07 17:15:46

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-03-07 19:45:50

AES-CBC

Time of First Successful Submission: 2026-03-08 00:53:51

AES-CBC Tampering

Time of First Successful Submission: 2026-03-08 13:32:37

AES-CBC Resizing

Time of First Successful Submission: 2026-03-08 14:27:07

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-03-09 16:25:14

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-03-09 16:30:25

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-03-09 19:21:37

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-03-10 05:35:56

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-03-10 06:00:48

DHKE

Time of First Successful Submission: 2026-03-12 13:56:56

DHKE-to-AES

Time of First Successful Submission: 2026-03-12 14:33:14

RSA 1

Time of First Successful Submission: 2026-03-12 17:45:17

RSA 2

Time of First Successful Submission: 2026-03-12 18:00:48

RSA 3

Time of First Successful Submission: 2026-03-12 18:50:12

RSA 4

Time of First Successful Submission: 2026-03-12 19:14:18

RSA Signatures

Time of First Successful Submission: 2026-03-12 23:57:22

SHA 1

Time of First Successful Submission: 2026-03-13 00:53:52

SHA 2

Time of First Successful Submission: 2026-03-13 10:59:55

TLS 1

Time of First Successful Submission: 2026-03-13 14:20:27

TLS 2

Time of First Successful Submission: 2026-03-13 22:51:58

level1

Time of First Successful Submission: 2026-01-31 23:55:08

level2

Time of First Successful Submission: 2026-01-31 23:55:43

level3

Time of First Successful Submission: 2026-01-31 23:56:19

level4

Time of First Successful Submission: 2026-01-31 23:56:57

level5

Time of First Successful Submission: 2026-02-01 00:02:09

level6

Time of First Successful Submission: 2026-02-01 00:05:45

level7

Time of First Successful Submission: 2026-02-01 00:06:49

level8

Time of First Successful Submission: 2026-02-01 00:08:02

level9

Time of First Successful Submission: 2026-02-01 12:51:58

level10

Time of First Successful Submission: 2026-02-01 12:53:24

level11

Time of First Successful Submission: 2026-02-01 12:55:58

level12

Time of First Successful Submission: 2026-02-01 12:59:18

level13

Time of First Successful Submission: 2026-02-01 14:38:53

level14

Time of First Successful Submission: 2026-02-01 14:39:51

level15

Time of First Successful Submission: 2026-02-01 14:40:28

level16

Time of First Successful Submission: 2026-02-01 14:41:21

level17

Time of First Successful Submission: 2026-02-01 19:33:21

level18

Time of First Successful Submission: 2026-02-01 19:33:59

level19

Time of First Successful Submission: 2026-02-02 15:11:45

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-02-06 11:26:41

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-02-06 17:58:01

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-02-06 17:58:06

Reading Endianness (Python)

Time of First Successful Submission: 2026-02-06 18:01:57

Reading Endianness (C)

Time of First Successful Submission: 2026-02-06 18:06:57

Reading Endianness (x86)

Time of First Successful Submission: 2026-02-06 18:20:05

Version Information (Python)

Time of First Successful Submission: 2026-02-06 23:39:45

Version Information (C)

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

Version Information (x86)

Time of First Successful Submission: 2026-02-07 00:18:46

Metadata and Data (Python)

Time of First Successful Submission: 2026-02-07 12:47:13

Metadata and Data (C)

Time of First Successful Submission: 2026-02-07 13:14:48

Metadata and Data (x86)

Time of First Successful Submission: 2026-02-07 21:11:07

Input Restrictions (Python)

Time of First Successful Submission: 2026-02-08 10:33:13

Input Restrictions (C)

Time of First Successful Submission: 2026-02-08 11:27:14

Input Restrictions (x86)

Time of First Successful Submission: 2026-02-08 12:46:54

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-02-08 13:36:09

Behold the cIMG! (C)

Time of First Successful Submission: 2026-02-08 17:31:48

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-02-09 12:08:23

A Basic cIMG (Python)

Time of First Successful Submission: 2026-02-09 16:59:10

A Basic cIMG (C)

Time of First Successful Submission: 2026-02-09 18:53:27

A Basic cIMG (x86)

Time of First Successful Submission: 2026-02-09 19:21:40

Internal State Mini (C)

Time of First Successful Submission: 2026-02-10 19:43:05

Internal State Mini (x86)

Time of First Successful Submission: 2026-02-11 12:15:22

Internal State (C)

Time of First Successful Submission: 2026-02-11 14:35:36

Internal State (x86)

Time of First Successful Submission: 2026-02-11 20:26:18

File Formats: Directives (C)

Time of First Successful Submission: 2026-02-12 15:00:51

File Formats: Directives (x86)

Time of First Successful Submission: 2026-02-12 17:35:45

The Patch Directive

Time of First Successful Submission: 2026-02-15 16:47:22

Optimizing for Space

Time of First Successful Submission: 2026-02-18 19:18:30

Tweaking Images

Time of First Successful Submission: 2026-02-18 22:28:07

Storage and Retrieval

Time of First Successful Submission: 2026-02-21 23:53:45

Extracting Knowledge

Time of First Successful Submission: 2026-02-22 02:43:46

Advanced Sprites

Time of First Successful Submission: 2026-02-22 23:21:31

Accessing Resources

Time of First Successful Submission: 2026-02-23 00:21:28

Unsafe Animations

Time of First Successful Submission: 2026-02-23 20:08:46

Animations

Time of First Successful Submission: 2026-02-23 21:33:17

Interoperability: Patching Data

Time of First Successful Submission: 2026-02-24 01:16:32

Patching Code

Time of First Successful Submission: 2026-02-24 12:10:55

Patching Control Flow

Time of First Successful Submission: 2026-02-24 13:26:20

Your First Overflow (easy)

Time of First Successful Submission: 2026-02-25 20:21:33

Your First Overflow (hard)

Time of First Successful Submission: 2026-02-25 20:29:26

Precision (easy)

Time of First Successful Submission: 2026-02-25 20:44:35

Precision (hard)

Time of First Successful Submission: 2026-02-25 21:10:14

Variable Control (easy)

Time of First Successful Submission: 2026-02-26 12:25:13

Variable Control (hard)

Time of First Successful Submission: 2026-02-26 19:17:28

Control Hijack (easy)

Time of First Successful Submission: 2026-02-26 19:24:58

Control Hijack (hard)

Time of First Successful Submission: 2026-02-26 20:28:07

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-02-26 22:20:44

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-02-26 22:23:06

PIEs (easy)

Time of First Successful Submission: 2026-02-27 21:35:02

PIEs (hard)

Time of First Successful Submission: 2026-02-27 21:38:59

String Lengths (easy)

Time of First Successful Submission: 2026-02-27 23:42:19

String Lengths (hard)

Time of First Successful Submission: 2026-02-27 23:59:41

Basic Shellcode

Time of First Successful Submission: 2026-02-28 20:25:17

NOP Sleds

Time of First Successful Submission: 2026-02-28 20:39:53

NULL-Free Shellcode

Time of First Successful Submission: 2026-02-28 23:53:43

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-03-01 18:22:54

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-03-01 19:00:15

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-03-02 00:40:13

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-03-02 13:06:51

ECB-to-Win (easy)

Time of First Successful Submission: 2026-03-14 23:28:11

ECB-to-Win (hard)

Time of First Successful Submission: 2026-03-15 00:07:58

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-03-15 18:58:02

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-03-15 23:18:53

CIMG Screenshots

Time of First Successful Submission: 2026-03-17 20:26:01

CIMG Screenshots 2

Time of First Successful Submission: 2026-03-18 19:41:33

Wily Webserver

Time of First Successful Submission: 2026-03-19 19:38:19

The Watering Hole

Time of First Successful Submission: 2026-03-20 15:20:31

Secure Chat 1

Time of First Successful Submission: 2026-03-21 16:15:59

Secure Chat 2

Time of First Successful Submission: 2026-03-21 23:21:42

Secure Chat 3

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

Secure Chat 4

Time of First Successful Submission: 2026-03-23 14:31:02

Secure Chat 5

Time of First Successful Submission: 2026-03-25 00:33:18

ello ackers!

Time of First Successful Submission: 2026-03-28 19:03:47

Syscall Smuggler

Time of First Successful Submission: 2026-03-28 21:00:43

Syscall Shenanigans

Time of First Successful Submission: 2026-03-29 22:43:54

Byte Budget

Time of First Successful Submission: 2026-03-30 22:21:32

ClobberCode

Time of First Successful Submission: 2026-03-31 23:04:17

Diverse Delivery

Time of First Successful Submission: 2026-04-01 23:04:49

Pocket Payload

Time of First Successful Submission: 2026-04-03 13:47:36

Micro Menace

Time of First Successful Submission: 2026-04-04 00:42:06

Login Leakage (Easy)

Time of First Successful Submission: 2026-04-04 13:16:58

Login Leakage (Hard)

Time of First Successful Submission: 2026-04-05 16:01:55

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-04-06 23:09:34

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-04-08 00:28:50

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-04-08 22:44:22

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-04-09 22:14:13

Pointer Problems (Easy)

Time of First Successful Submission: 2026-04-11 12:56:49

Pointer Problems (Hard)

Time of First Successful Submission: 2026-04-11 22:28:27

Anomalous Array (Easy)

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

Anomalous Array (Hard)

Time of First Successful Submission: 2026-04-05 22:19:44

Now you got it (Easy)

Time of First Successful Submission: 2026-04-13 00:01:09

Now you got it (Hard)

Time of First Successful Submission: 2026-04-13 00:01:17

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-04-13 00:01:25

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-04-13 00:01:34

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-04-13 00:01:42

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-04-13 22:16:29

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-04-15 13:52:01

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-04-15 13:52:07

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-04-15 13:52:14

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-04-15 13:52:17

Latent Leak (Easy)

Time of First Successful Submission: 2026-04-15 13:52:24

Latent Leak (Hard)

Time of First Successful Submission: 2026-04-15 13:52:33

Fork Foolery (Easy)

Time of First Successful Submission: 2026-04-15 13:52:48

Fork Foolery (Hard)

Time of First Successful Submission: 2026-04-15 13:52:53

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-04-15 13:53:05

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-04-15 13:53:09

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-04-15 13:53:15

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-04-15 13:53:20

Can It Fizz?

Time of First Successful Submission: 2026-04-15 13:53:24

Does It Buzz?

Time of First Successful Submission: 2026-04-15 13:53:28

Make It FizzBuzz

Time of First Successful Submission: 2026-04-15 13:53:35

Terrible Token (Easy)

Time of First Successful Submission: 2026-04-16 21:35:20

Terrible Token (Hard)

Time of First Successful Submission: 2026-04-17 14:17:10

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-04-17 22:27:43

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-04-19 09:06:38

Bit Bender

Time of First Successful Submission: 2026-04-20 16:23:08

Substitution Sorcery

Time of First Successful Submission: 2026-04-21 11:15:02

Meager Mangler (Easy)

Time of First Successful Submission: 2026-04-21 22:37:32

Meager Mangler (Hard)

Time of First Successful Submission: 2026-04-23 08:58:04

Monstrous Mangler (Easy)

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

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-04-25 08:16:47

Patched Up (Easy)

Time of First Successful Submission: 2026-04-26 13:05:00

Patched Up (Hard)

Time of First Successful Submission: 2026-04-26 21:44:01

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-04-26 21:44:13

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-04-26 21:44:25

Patch Perfect (Easy)

Time of First Successful Submission: 2026-04-26 21:44:31

Patch Perfect (Hard)

Time of First Successful Submission: 2026-04-26 21:44:38

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-04-26 21:44:42

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-04-26 21:44:47

Know the Yancode (Easy)

Time of First Successful Submission: 2026-04-26 21:44:51

Know the Yancode (Hard)

Time of First Successful Submission: 2026-04-26 21:44:56

Master the Yancode (Easy)

Time of First Successful Submission: 2026-04-26 21:45:01

Master the Yancode (Hard)

Time of First Successful Submission: 2026-04-26 21:45:24

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-04-26 21:45:34

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-04-26 21:45:49

The Yanalyzer (Easy)

Time of First Successful Submission: 2026-04-27 21:11:00

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-04-27 21:11:07

The Yangler (Easy)

Time of First Successful Submission: 2026-04-27 21:11:12

The Yangler (Hard)

Time of First Successful Submission: 2026-04-27 21:11:15

Yancraft (Easy)

Time of First Successful Submission: 2026-04-27 21:11:19

Yancraft (Hard)

Time of First Successful Submission: 2026-04-27 21:11:23

Yansanity (Easy)

Time of First Successful Submission: 2026-04-27 21:11:26

Yansanity (Hard)

Time of First Successful Submission: 2026-04-27 21:11:29

When the Cow Says Moo

Time of First Successful Submission: 2026-04-27 21:11:34

Predictable Migration

Time of First Successful Submission: 2026-04-27 21:11:38

Hashing Heifers

Time of First Successful Submission: 2026-04-27 21:11:41

Salty Stampede

Time of First Successful Submission: 2026-04-27 21:11:43

Loose Link (Easy)

Time of First Successful Submission: 2026-04-29 07:28:06

Loose Link (Hard)

Time of First Successful Submission: 2026-04-30 13:38:55

Call Chain (Easy)

Time of First Successful Submission: 2026-04-30 21:47:00

Call Chain (Hard)

Time of First Successful Submission: 2026-05-02 16:29:01

Chain of Command (Easy)

Time of First Successful Submission: 2026-05-03 12:25:34

Chain of Command (Hard)

Time of First Successful Submission: 2026-05-04 07:32:06

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-05-04 12:17:08

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-05-04 12:17:14

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-05-04 12:18:05

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-05-04 12:17:54

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-05-04 12:18:14

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-05-04 12:18:22

Leaky Libc (Easy)

Time of First Successful Submission: 2026-05-04 12:18:29

Leaky Libc (Hard)

Time of First Successful Submission: 2026-05-04 12:18:37

Putsception (Easy)

Time of First Successful Submission: 2026-05-04 12:18:39

Putsception (Hard)

Time of First Successful Submission: 2026-05-04 12:18:43

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-05-04 12:18:50

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-05-04 12:18:54

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-05-04 12:18:58

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-05-04 12:19:03

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-05-04 12:19:07

Pivotal Payload (Hard)

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

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-05-04 12:19:16

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-05-04 12:19:20

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-05-04 12:19:26

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-05-04 12:19:30

ROP Roulette (Easy)

Time of First Successful Submission: 2026-05-04 12:19:34

ROP Roulette (Hard)

Time of First Successful Submission: 2026-05-04 12:19:37

Libc Lottery (Easy)

Time of First Successful Submission: 2026-05-04 12:19:41

Libc Lottery (Hard)

Time of First Successful Submission: 2026-05-04 12:19:45

Freebie (Easy)

Time of First Successful Submission: 2026-05-05 12:43:25

Freebie (Hard)

Time of First Successful Submission: 2026-05-06 09:23:09

Freebin Feint (Easy)

Time of First Successful Submission: 2026-05-07 12:40:14

Freebin Feint (Hard)

Time of First Successful Submission: 2026-05-08 09:30:25

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-05-09 12:57:11

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-05-10 11:45:15

Fickle Free (Easy)

Time of First Successful Submission: 2026-05-11 09:43:36

Fickle Free (Hard)

Time of First Successful Submission: 2026-05-12 15:59:14

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-05-13 17:18:13

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-05-14 11:43:10

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-05-15 09:07:52

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-05-16 17:11:56

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-05-17 14:26:03

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-05-18 19:03:17

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-05-19 09:17:50

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-05-20 18:19:02

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-05-21 18:52:06

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-05-24 11:36:12

Sus Sequence (Easy)

Time of First Successful Submission: 2026-05-24 11:36:18

Sus Sequence (Hard)

Time of First Successful Submission: 2026-05-24 11:36:23

Echo Emanations (Easy)

Time of First Successful Submission: 2026-05-24 11:36:27

Echo Emanations (Hard)

Time of First Successful Submission: 2026-05-24 11:36:29

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-05-24 11:36:34

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-05-24 11:36:39

Stack Summoning (Easy)

Time of First Successful Submission: 2026-05-24 11:36:42

Stack Summoning (Hard)

Time of First Successful Submission: 2026-05-24 11:36:45

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-05-24 11:36:49

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-05-24 11:36:52

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-05-24 11:36:55

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-05-24 11:36:58

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-05-24 11:37:02

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-05-24 11:37:05

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-05-24 11:37:07

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-05-24 11:37:10

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-05-24 11:37:13

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-05-24 11:37:16

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-05-24 11:37:20

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-05-24 11:37:23

Tcache Terror (Easy)

Time of First Successful Submission: 2026-05-24 11:37:25

Tcache Terror (Hard)

Time of First Successful Submission: 2026-05-24 11:37:27

Containment Composition (Easy)

Time of First Successful Submission: 2026-05-28 12:57:08

Containment Composition (Hard)

Time of First Successful Submission: 2026-05-28 12:57:14

Constant Corruption (Easy)

Time of First Successful Submission: 2026-05-28 12:57:17

Constant Corruption (Hard)

Time of First Successful Submission: 2026-05-28 12:57:22

Return to YanLand (Easy)

Time of First Successful Submission: 2026-05-28 12:57:28

Return to YanLand (Hard)

Time of First Successful Submission: 2026-05-28 12:57:33

Escape from YanLand (Easy)

Time of First Successful Submission: 2026-05-28 12:57:38

Escape from YanLand (Hard)

Time of First Successful Submission: 2026-05-28 12:57:42

The YanFilter (Easy)

Time of First Successful Submission: 2026-05-28 12:57:45

The YanFilter (Hard)

Time of First Successful Submission: 2026-05-28 12:57:49

The Great YanFilter (Easy)

Time of First Successful Submission: 2026-05-28 12:57:54

The Great YanFilter (Hard)

Time of First Successful Submission: 2026-05-28 12:57:58

Yan85 Reborn (Easy)

Time of First Successful Submission: 2026-05-28 12:58:01

Yan85 Reborn (Hard)

Time of First Successful Submission: 2026-05-28 12:59:22

chroot-escape-basic

Time of First Successful Submission: 2026-06-04 07:26:02

chroot-shellcode

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

chroot-proper

Time of First Successful Submission: 2026-06-04 07:26:11

seccomp-basic

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

seccomp-linkat

Time of First Successful Submission: 2026-06-04 07:26:19

seccomp-fchdir

Time of First Successful Submission: 2026-06-04 07:26:23

seccomp-rechroot

Time of First Successful Submission: 2026-06-04 07:26:27

seccomp-only

Time of First Successful Submission: 2026-06-04 07:26:32

seccomp-arch32

Time of First Successful Submission: 2026-06-04 07:26:36

seccomp-minimal

Time of First Successful Submission: 2026-06-04 07:26:40

seccomp-timebased

Time of First Successful Submission: 2026-06-04 07:26:43

seccomp-readonly

Time of First Successful Submission: 2026-06-04 07:26:46

process-isolation

Time of First Successful Submission: 2026-06-04 07:26:50

mount-namespace

Time of First Successful Submission: 2026-06-04 07:26:56

mount-cleanup

Time of First Successful Submission: 2026-06-04 07:27:00

mount-readonly

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

mount-shellcode

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

mount-bindmount

Time of First Successful Submission: 2026-06-04 07:27:12

level1.0

Time of First Successful Submission: 2026-06-11 08:26:55

level1.1

Time of First Successful Submission: 2026-06-11 08:27:02

level2.0

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

level2.1

Time of First Successful Submission: 2026-06-11 08:27:16

level3.0

Time of First Successful Submission: 2026-06-11 08:27:25

level3.1

Time of First Successful Submission: 2026-06-11 08:27:30

level4.0

Time of First Successful Submission: 2026-06-11 08:27:35

level4.1

Time of First Successful Submission: 2026-06-11 08:27:40

level5.0

Time of First Successful Submission: 2026-06-11 08:27:48

level5.1

Time of First Successful Submission: 2026-06-11 08:27:54

level6.0

Time of First Successful Submission: 2026-06-11 08:28:00

level6.1

Time of First Successful Submission: 2026-06-11 08:28:04

level7.0

Time of First Successful Submission: 2026-06-11 08:28:10

level7.1

Time of First Successful Submission: 2026-06-11 08:28:16

level8.0

Time of First Successful Submission: 2026-06-11 08:28:22

level8.1

Time of First Successful Submission: 2026-06-11 08:28:27

level9.0

Time of First Successful Submission: 2026-06-11 08:28:33

level9.1

Time of First Successful Submission: 2026-06-11 08:28:41

level10.0

Time of First Successful Submission: 2026-06-11 08:28:54

level10.1

Time of First Successful Submission: 2026-06-11 08:28:59

level11.0

Time of First Successful Submission: 2026-06-11 08:29:06

level11.1

Time of First Successful Submission: 2026-06-11 08:29:11

level1.0

Time of First Successful Submission: 2026-06-27 15:13:44

level1.1

Time of First Successful Submission: 2026-06-27 15:13:47

level2.0

Time of First Successful Submission: 2026-06-27 15:13:51

level2.1

Time of First Successful Submission: 2026-06-27 15:13:54

level3.0

Time of First Successful Submission: 2026-06-27 15:13:57

level3.1

Time of First Successful Submission: 2026-06-27 15:14:00

level4.0

Time of First Successful Submission: 2026-06-27 15:14:04

level4.1

Time of First Successful Submission: 2026-06-27 15:14:07

level5.0

Time of First Successful Submission: 2026-06-27 15:14:10

level5.1

Time of First Successful Submission: 2026-06-27 15:14:14

level6.0

Time of First Successful Submission: 2026-06-27 15:14:17

level6.1

Time of First Successful Submission: 2026-06-27 15:14:21

level7.0

Time of First Successful Submission: 2026-06-27 15:14:25

level7.1

Time of First Successful Submission: 2026-06-27 15:14:27

level8.0

Time of First Successful Submission: 2026-06-27 15:14:30

level8.1

Time of First Successful Submission: 2026-06-27 15:14:34

level9.0

Time of First Successful Submission: 2026-06-27 15:14:38

level9.1

Time of First Successful Submission: 2026-06-27 15:14:41

level10.0

Time of First Successful Submission: 2026-06-27 15:14:43

level10.1

Time of First Successful Submission: 2026-06-27 15:14:48

level11.0

Time of First Successful Submission: 2026-06-27 15:14:51

level11.1

Time of First Successful Submission: 2026-06-27 15:14:54

level12.0

Time of First Successful Submission: 2026-06-27 15:14:57

level12.1

Time of First Successful Submission: 2026-06-27 15:15:01

Using the Terminal

Time of First Successful Submission: 2025-10-22 08:13:46

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-22 08:15:23

Using the GUI Desktop

Time of First Successful Submission: 2025-10-22 08:17:08

Pasting into the Desktop

Time of First Successful Submission: 2025-10-22 08:18:45

Restarting Challenges

Time of First Successful Submission: 2025-10-22 08:20:55

Challenge Programs

Time of First Successful Submission: 2025-10-22 08:28:26

The Flag File

Time of First Successful Submission: 2025-10-22 08:30:23

Using Privileged Mode

Time of First Successful Submission: 2025-10-22 08:44:54

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-22 08:46:29

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-22 08:48:27

Intro to Commands

Time of First Successful Submission: 2025-10-31 19:09:28

Intro to Arguments

Time of First Successful Submission: 2025-10-31 19:10:02

Command History

Time of First Successful Submission: 2025-10-31 19:10:43

The Root

Time of First Successful Submission: 2025-10-31 19:14:30

Program and absolute paths

Time of First Successful Submission: 2025-10-31 19:15:37

Position thy self

Time of First Successful Submission: 2025-10-31 19:16:38

Position elsewhere

Time of First Successful Submission: 2025-10-31 19:19:15

implicit relative paths, from /

Time of First Successful Submission: 2025-10-31 19:21:57

explicit relative paths, from /

Time of First Successful Submission: 2025-10-31 19:23:36

implicit relative path

Time of First Successful Submission: 2025-10-31 19:25:37

home sweet home

Time of First Successful Submission: 2025-10-31 19:28:04

cat: not the pet, but the command!

Time of First Successful Submission: 2025-10-31 19:53:23

catting absolute paths

Time of First Successful Submission: 2025-10-31 19:53:54

more catting practice

Time of First Successful Submission: 2025-10-31 19:54:28

grepping for a needle in a haystack

Time of First Successful Submission: 2025-10-31 19:55:44

comparing files

Time of First Successful Submission: 2025-10-31 19:58:19

listing files

Time of First Successful Submission: 2025-10-31 19:59:10

touching files

Time of First Successful Submission: 2025-10-31 19:59:55

removing files

Time of First Successful Submission: 2025-10-31 20:01:23

moving files

Time of First Successful Submission: 2025-10-31 20:01:59

copying files

Time of First Successful Submission: 2025-11-06 09:29:49

hidden files

Time of First Successful Submission: 2025-10-31 20:03:15

An Epic Filesystem Quest

Time of First Successful Submission: 2025-10-31 20:07:47

making directories

Time of First Successful Submission: 2025-10-31 20:08:59

finding files

Time of First Successful Submission: 2025-10-31 20:12:56

linking files

Time of First Successful Submission: 2025-10-31 20:50:34

Learning From Documentation

Time of First Successful Submission: 2025-10-31 21:35:44

Learning Complex Usage

Time of First Successful Submission: 2025-10-31 21:37:21

Reading Manuals

Time of First Successful Submission: 2025-10-31 21:42:27

Searching Manuals

Time of First Successful Submission: 2025-10-31 21:43:13

Searching For Manuals

Time of First Successful Submission: 2025-10-31 21:46:13

Helpful Programs

Time of First Successful Submission: 2025-10-31 21:52:37

Help for Builtins

Time of First Successful Submission: 2025-10-31 21:55:51

Matching with *

Time of First Successful Submission: 2025-11-01 10:09:41

Matching with ?

Time of First Successful Submission: 2025-11-01 10:11:19

Matching with []

Time of First Successful Submission: 2025-11-01 10:12:45

Matching paths with []

Time of First Successful Submission: 2025-11-01 10:14:13

Multiple globs

Time of First Successful Submission: 2025-11-01 10:17:39

Mixing globs

Time of First Successful Submission: 2025-11-01 10:22:37

Exclusionary globbing

Time of First Successful Submission: 2025-11-01 10:39:15

Tab completion

Time of First Successful Submission: 2025-11-01 10:40:27

Multiple options for tab completion

Time of First Successful Submission: 2025-11-01 10:41:31

Tab completion on commands

Time of First Successful Submission: 2025-11-01 10:42:07

Redirecting output

Time of First Successful Submission: 2025-11-01 13:03:51

Redirecting more output

Time of First Successful Submission: 2025-11-01 13:06:13

Appending output

Time of First Successful Submission: 2025-11-01 13:08:09

Redirecting errors

Time of First Successful Submission: 2025-11-01 13:11:01

Redirecting input

Time of First Successful Submission: 2025-11-01 13:12:03

Grepping stored results

Time of First Successful Submission: 2025-11-01 13:16:37

Grepping live output

Time of First Successful Submission: 2025-11-01 13:17:44

Grepping errors

Time of First Successful Submission: 2025-11-01 13:22:06

Filtering with grep -v

Time of First Successful Submission: 2025-11-01 13:30:58

Filtering with sed

Time of First Successful Submission: 2025-11-06 09:26:28

Duplicating piped data with tee

Time of First Successful Submission: 2025-11-01 13:35:02

Process substitution for input

Time of First Successful Submission: 2025-11-01 14:49:18

Writing to multiple programs

Time of First Successful Submission: 2025-11-01 15:07:15

Split-piping stderr and stdout

Time of First Successful Submission: 2025-11-01 15:27:58

Named pipes

Time of First Successful Submission: 2025-11-01 15:40:51

Printing Variables

Time of First Successful Submission: 2025-11-02 15:06:55

Setting Variables

Time of First Successful Submission: 2025-11-02 15:09:22

Multi-word Variables

Time of First Successful Submission: 2025-11-02 15:10:13

Exporting Variables

Time of First Successful Submission: 2025-11-02 15:12:58

Printing Exported Variables

Time of First Successful Submission: 2025-11-02 15:14:13

Storing Command Output

Time of First Successful Submission: 2025-11-02 15:16:03

Reading Input

Time of First Successful Submission: 2025-11-02 15:19:32

Reading Files

Time of First Successful Submission: 2025-11-02 15:23:26

Translating characters

Time of First Successful Submission: 2025-11-02 15:27:41

Deleting characters

Time of First Successful Submission: 2025-11-02 15:28:44

Deleting newlines

Time of First Successful Submission: 2025-11-02 15:31:22

Extracting the first lines with head

Time of First Successful Submission: 2025-11-02 15:32:10

Extracting specific sections of text

Time of First Successful Submission: 2025-11-02 17:02:23

Sorting data

Time of First Successful Submission: 2025-11-02 17:05:55

Listing Processes

Time of First Successful Submission: 2025-11-02 22:37:43

Killing Processes

Time of First Successful Submission: 2025-11-02 22:42:32

Interrupting Processes

Time of First Successful Submission: 2025-11-02 22:43:01

Killing Misbehaving Processes

Time of First Successful Submission: 2025-11-02 22:49:11

Suspending Processes

Time of First Successful Submission: 2025-11-02 22:51:06

Resuming Processes

Time of First Successful Submission: 2025-11-02 22:52:17

Backgrounding Processes

Time of First Successful Submission: 2025-11-02 22:56:25

Foregrounding Processes

Time of First Successful Submission: 2025-11-02 23:00:01

Starting Backgrounded Processes

Time of First Successful Submission: 2025-11-02 23:00:34

Process Exit Codes

Time of First Successful Submission: 2025-11-02 23:01:36

Becoming root with su

Time of First Successful Submission: 2025-11-03 16:52:54

Other users with su

Time of First Successful Submission: 2025-11-03 16:53:35

Cracking passwords

Time of First Successful Submission: 2025-11-03 16:58:20

Using sudo

Time of First Successful Submission: 2025-11-03 17:02:57

Changing File Ownership

Time of First Successful Submission: 2025-11-04 17:28:17

Groups and Files

Time of First Successful Submission: 2025-11-04 17:31:23

Fun With Groups Names

Time of First Successful Submission: 2025-11-04 17:32:12

Changing Permissions

Time of First Successful Submission: 2025-11-04 19:05:59

Executable Files

Time of First Successful Submission: 2025-11-04 19:07:46

Permission Tweaking Practice

Time of First Successful Submission: 2025-11-04 19:35:21

Permissions Setting Practice

Time of First Successful Submission: 2025-11-04 19:42:37

The SUID Bit

Time of First Successful Submission: 2025-11-04 19:55:56

Chaining with Semicolons

Time of First Successful Submission: 2025-11-04 22:51:35

Building on Success

Time of First Successful Submission: 2025-11-04 22:58:57

Handling Failure

Time of First Successful Submission: 2025-11-04 23:01:56

Your First Shell Script

Time of First Successful Submission: 2025-11-04 23:03:57

Redirecting Script Output

Time of First Successful Submission: 2025-11-04 23:05:39

Executable Shell Scripts

Time of First Successful Submission: 2025-11-04 23:19:50

Understanding Shebangs

Time of First Successful Submission: 2025-11-04 23:24:23

Scripting with Arguments

Time of First Successful Submission: 2025-11-04 23:26:56

Scripting with Conditionals

Time of First Successful Submission: 2025-11-05 20:55:32

Scripting with Default Cases

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

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-11-05 21:22:50

Reading Shell Scripts

Time of First Successful Submission: 2025-11-05 21:25:23

Launching Screen

Time of First Successful Submission: 2025-11-05 22:48:43

Detaching and Attaching

Time of First Successful Submission: 2025-11-05 22:52:12

Finding Sessions

Time of First Successful Submission: 2025-11-05 22:56:14

Switching Windows

Time of First Successful Submission: 2025-11-05 23:01:54

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-11-05 23:04:57

Switching Windows (tmux)

Time of First Successful Submission: 2025-11-05 23:08:11

The PATH Variable

Time of First Successful Submission: 2025-11-06 22:31:58

Setting PATH

Time of First Successful Submission: 2025-11-07 22:09:15

Finding Commands

Time of First Successful Submission: 2025-11-07 22:13:54

Adding Commands

Time of First Successful Submission: 2025-11-08 22:36:47

Hijacking Commands

Time of First Successful Submission: 2025-11-09 12:34:51

Bashrc Backdoor

Time of First Successful Submission: 2025-11-10 14:47:00

Sniffing Input

Time of First Successful Submission: 2025-11-10 18:31:46

Overshared Directories

Time of First Successful Submission: 2025-11-11 13:55:19

Tricky Linking

Time of First Successful Submission: 2025-11-11 14:03:34

Sniffing Process Arguments

Time of First Successful Submission: 2025-11-11 14:18:32

Snooping on Configurations

Time of First Successful Submission: 2025-11-11 14:21:07

The Fork Bomb

Time of First Successful Submission: 2025-11-11 15:14:13

Disk-Space Doomsday

Time of First Successful Submission: 2025-11-11 16:17:02

rm -rf /

Time of First Successful Submission: 2025-11-11 16:25:34

Life after rm -rf /

Time of First Successful Submission: 2025-11-11 16:38:29

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-11-11 16:58:47

Your First Register

Time of First Successful Submission: 2025-11-13 15:49:27

Your First Syscall

Time of First Successful Submission: 2025-11-13 16:22:31

Exit Codes

Time of First Successful Submission: 2025-11-13 16:25:49

Building Executables

Time of First Successful Submission: 2025-11-13 16:41:35

Moving Between Registers

Time of First Successful Submission: 2025-11-13 16:49:48

Loading From Memory

Time of First Successful Submission: 2025-11-13 21:43:21

More Loading Practice

Time of First Successful Submission: 2025-11-14 13:04:18

Dereferencing Pointers

Time of First Successful Submission: 2025-11-14 13:06:47

Dereferencing Yourself

Time of First Successful Submission: 2025-11-14 13:08:47

Dereferencing with Offsets

Time of First Successful Submission: 2025-11-14 13:54:21

Stored Addresses

Time of First Successful Submission: 2025-11-14 13:57:59

Double Dereference

Time of First Successful Submission: 2025-11-14 14:23:19

The Stack

Time of First Successful Submission: 2026-03-28 22:40:59

Tracing Syscalls

Time of First Successful Submission: 2025-11-13 19:14:27

Starting GDB

Time of First Successful Submission: 2025-11-13 19:16:02

Starting Programs in GDB

Time of First Successful Submission: 2025-11-13 19:17:07

Writing Output

Time of First Successful Submission: 2025-11-14 15:33:52

Chaining Syscalls

Time of First Successful Submission: 2025-11-14 15:35:22

Writing Strings

Time of First Successful Submission: 2025-11-14 15:36:22

Reading Data

Time of First Successful Submission: 2025-11-14 15:44:49

Debugging Programs

Time of First Successful Submission: 2025-11-20 19:18:51

Inspecting Registers

Time of First Successful Submission: 2025-11-21 09:05:59

Examining Memory

Time of First Successful Submission: 2025-11-21 13:03:32

Setting Breakpoints

Time of First Successful Submission: 2025-11-22 09:02:37

GDB Scripting

Time of First Successful Submission: 2025-11-22 09:18:32

Modifying Execution

Time of First Successful Submission: 2025-11-22 15:26:10

Broken Functions

Time of First Successful Submission: 2025-11-22 21:00:55

Exit

Time of First Successful Submission: 2025-11-23 08:25:01

Socket

Time of First Successful Submission: 2025-11-24 11:04:32

Bind

Time of First Successful Submission: 2025-11-24 13:51:53

Listen

Time of First Successful Submission: 2025-11-24 14:45:43

Accept

Time of First Successful Submission: 2025-11-24 15:02:32

Static Response

Time of First Successful Submission: 2025-11-24 20:52:20

Dynamic Response

Time of First Successful Submission: 2025-11-26 16:05:09

Iterative GET Server

Time of First Successful Submission: 2025-11-26 16:11:25

Concurrent GET Server

Time of First Successful Submission: 2025-11-26 16:57:35

Concurrent POST Server

Time of First Successful Submission: 2025-11-27 18:10:19

Web Server

Time of First Successful Submission: 2025-11-28 14:02:48

What's the password?

Time of First Successful Submission: 2025-12-08 18:58:26

... and again!

Time of First Successful Submission: 2025-12-08 18:59:04

Newline Troubles

Time of First Successful Submission: 2025-12-08 19:07:45

Reasoning about files

Time of First Successful Submission: 2025-12-08 19:12:48

Specifying Filenames

Time of First Successful Submission: 2025-12-08 19:14:04

Binary and Hex Encoding

Time of First Successful Submission: 2025-12-09 16:15:06

More Hex

Time of First Successful Submission: 2025-12-09 16:21:25

Decoding Hex

Time of First Successful Submission: 2025-12-09 17:09:53

Decoding Practice

Time of First Successful Submission: 2025-12-09 17:30:59

Encoding Practice

Time of First Successful Submission: 2025-12-09 17:33:54

Hex-encoding ASCII

Time of First Successful Submission: 2025-12-09 18:42:54

Nested Encoding

Time of First Successful Submission: 2025-12-09 18:47:39

Hex-encoding UTF-8

Time of First Successful Submission: 2025-12-09 19:04:30

UTF Mixups

Time of First Successful Submission: 2025-12-09 19:53:25

Modifying Encoded Data

Time of First Successful Submission: 2025-12-10 10:37:45

Decoding Base64

Time of First Successful Submission: 2025-12-10 10:52:59

Encoding Base64

Time of First Successful Submission: 2025-12-10 11:10:47

Dealing with Obfuscation

Time of First Successful Submission: 2025-12-10 11:15:03

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-12-10 13:13:05

Your First HTTP Request

Time of First Successful Submission: 2025-12-13 10:09:30

Reading Flask

Time of First Successful Submission: 2025-12-13 10:14:34

Commented Data

Time of First Successful Submission: 2025-12-14 11:31:49

HTTP Metadata

Time of First Successful Submission: 2025-12-14 11:35:09

HTTP (netcat)

Time of First Successful Submission: 2025-12-14 11:38:52

HTTP Paths (netcat)

Time of First Successful Submission: 2025-12-14 11:40:41

HTTP (curl)

Time of First Successful Submission: 2025-12-14 11:42:42

HTTP (python)

Time of First Successful Submission: 2025-12-14 11:45:57

HTTP Host Header (python)

Time of First Successful Submission: 2025-12-15 11:17:50

HTTP Host Header (curl)

Time of First Successful Submission: 2025-12-15 11:34:35

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-12-15 12:27:55

URL Encoding (netcat)

Time of First Successful Submission: 2025-12-15 12:37:50

HTTP GET Parameters

Time of First Successful Submission: 2025-12-16 10:28:06

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-12-16 10:31:35

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-12-16 10:35:23

HTTP Forms

Time of First Successful Submission: 2025-12-16 10:54:12

HTTP Forms (curl)

Time of First Successful Submission: 2025-12-16 14:29:46

HTTP Forms (netcat)

Time of First Successful Submission: 2025-12-17 09:44:22

HTTP Forms (python)

Time of First Successful Submission: 2025-12-17 09:53:09

HTTP Forms Without Forms

Time of First Successful Submission: 2025-12-17 13:47:56

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-12-17 13:53:26

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-12-17 13:58:13

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-12-17 21:28:55

HTTP Redirects (curl)

Time of First Successful Submission: 2025-12-17 21:34:13

HTTP Redirects (python)

Time of First Successful Submission: 2025-12-17 21:35:23

HTTP Cookies (curl)

Time of First Successful Submission: 2025-12-17 21:39:37

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-12-18 09:32:23

HTTP Cookies (python)

Time of First Successful Submission: 2025-12-18 09:41:19

Server State (python)

Time of First Successful Submission: 2025-12-18 10:16:04

Listening Web

Time of First Successful Submission: 2025-12-18 19:34:22

Speaking Redirects

Time of First Successful Submission: 2025-12-19 11:21:13

JavaScript Redirects

Time of First Successful Submission: 2025-12-19 12:59:13

Including JavaScript

Time of First Successful Submission: 2025-12-19 13:57:23

HTTP (javascript)

Time of First Successful Submission: 2025-12-19 15:44:17

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-12-19 15:49:49

HTTP Forms (javascript)

Time of First Successful Submission: 2025-12-19 16:46:07

cat

Time of First Successful Submission: 2025-12-20 11:23:13

more

Time of First Successful Submission: 2025-12-21 10:14:21

less

Time of First Successful Submission: 2025-12-21 10:14:42

tail

Time of First Successful Submission: 2025-12-21 10:14:58

head

Time of First Successful Submission: 2025-12-21 10:15:21

sort

Time of First Successful Submission: 2025-12-21 10:15:38

vim

Time of First Successful Submission: 2025-12-21 10:16:46

emacs

Time of First Successful Submission: 2025-12-21 10:17:12

nano

Time of First Successful Submission: 2025-12-21 10:17:39

rev

Time of First Successful Submission: 2025-12-21 10:18:30

od

Time of First Successful Submission: 2025-12-21 10:27:20

hd

Time of First Successful Submission: 2025-12-21 10:35:59

xxd

Time of First Successful Submission: 2025-12-21 10:41:18

base32

Time of First Successful Submission: 2025-12-21 12:43:39

base64

Time of First Successful Submission: 2025-12-22 09:11:21

split

Time of First Successful Submission: 2025-12-21 16:01:41

gzip

Time of First Successful Submission: 2025-12-21 20:03:23

bzip2

Time of First Successful Submission: 2025-12-21 20:04:49

zip

Time of First Successful Submission: 2025-12-22 14:18:15

tar

Time of First Successful Submission: 2025-12-22 14:20:08

ar

Time of First Successful Submission: 2025-12-22 14:22:58

cpio

Time of First Successful Submission: 2025-12-22 14:41:26

genisoimage

Time of First Successful Submission: 2025-12-29 22:53:13

env

Time of First Successful Submission: 2025-12-23 11:35:56

find

Time of First Successful Submission: 2025-12-23 11:46:41

make

Time of First Successful Submission: 2025-12-23 11:52:27

nice

Time of First Successful Submission: 2025-12-23 11:53:07

timeout

Time of First Successful Submission: 2025-12-23 11:54:29

stdbuf

Time of First Successful Submission: 2025-12-23 18:03:35

setarch

Time of First Successful Submission: 2025-12-23 18:07:15

watch

Time of First Successful Submission: 2025-12-23 18:08:15

socat

Time of First Successful Submission: 2025-12-23 18:12:34

whiptail

Time of First Successful Submission: 2025-12-28 11:49:53

awk

Time of First Successful Submission: 2025-12-24 08:52:21

sed

Time of First Successful Submission: 2025-12-25 16:13:41

ed

Time of First Successful Submission: 2025-12-25 16:16:34

chown

Time of First Successful Submission: 2025-12-25 16:17:16

chmod

Time of First Successful Submission: 2025-12-25 16:17:46

cp

Time of First Successful Submission: 2025-12-25 16:24:25

mv

Time of First Successful Submission: 2025-12-25 17:06:41

perl

Time of First Successful Submission: 2025-12-25 18:13:29

python

Time of First Successful Submission: 2025-12-25 18:16:21

ruby

Time of First Successful Submission: 2025-12-25 18:17:56

bash

Time of First Successful Submission: 2025-12-25 20:34:21

date

Time of First Successful Submission: 2025-12-25 20:35:34

dmesg

Time of First Successful Submission: 2025-12-25 20:37:56

wc

Time of First Successful Submission: 2025-12-25 20:39:38

gcc

Time of First Successful Submission: 2025-12-25 21:46:49

as

Time of First Successful Submission: 2025-12-26 18:31:43

wget

Time of First Successful Submission: 2025-12-27 09:24:55

ssh-keygen

Time of First Successful Submission: 2025-12-30 23:06:11

SQL Queries

Time of First Successful Submission: 2025-12-28 22:52:19

Filtering SQL

Time of First Successful Submission: 2025-12-28 23:08:11

Choosing Columns

Time of First Successful Submission: 2025-12-28 23:09:23

Exclusionary Filtering

Time of First Successful Submission: 2025-12-28 23:13:42

Filtering Strings

Time of First Successful Submission: 2025-12-28 23:16:20

Filtering on Expressions

Time of First Successful Submission: 2025-12-31 17:04:46

SELECTing Expressions

Time of First Successful Submission: 2025-12-31 17:20:34

Composite Conditions

Time of First Successful Submission: 2025-12-31 23:03:45

Reaching Your LIMITs

Time of First Successful Submission: 2025-12-31 23:08:01

Querying Metadata

Time of First Successful Submission: 2025-12-31 23:09:49

Hijack Me!

Time of First Successful Submission: 2025-11-12 12:36:39

TimeSlinger 1

Time of First Successful Submission: 2026-07-08 21:24:55

TimeSlinger 2

Time of First Successful Submission: 2026-07-08 21:57:58

crackme

Time of First Successful Submission: 2026-07-10 20:28:04

BMPacker

Time of First Successful Submission: 2026-07-10 23:30:42

Using the Terminal

Time of First Successful Submission: 2025-10-22 08:13:46

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-22 08:15:23

Using the GUI Desktop

Time of First Successful Submission: 2025-10-22 08:17:08

Pasting into the Desktop

Time of First Successful Submission: 2025-10-22 08:18:45

Restarting Challenges

Time of First Successful Submission: 2025-10-22 08:20:55

Getting Help

Time of First Successful Submission: 2025-10-22 08:27:23

Challenge Programs

Time of First Successful Submission: 2025-10-22 08:28:26

The Flag File

Time of First Successful Submission: 2025-10-22 08:30:23

Using Privileged Mode

Time of First Successful Submission: 2025-10-22 08:44:54

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-22 08:46:29

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-22 08:48:27

Using the Terminal

Time of First Successful Submission: 2025-10-22 08:13:46

Using the VSCode Workspace