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L3ak

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-03-27 15:17:46

Command Arguments

Time of First Successful Submission: 2026-03-28 21:22:15

Command History

Time of First Successful Submission: 2026-04-02 23:20:54

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-03-23 15:11:09

Path Traversal 2

Time of First Successful Submission: 2026-03-23 15:31:44

CMDi 1

Time of First Successful Submission: 2026-03-23 15:51:09

CMDi 2

Time of First Successful Submission: 2026-03-23 16:19:54

CMDi 3

Time of First Successful Submission: 2026-03-23 18:27:11

CMDi 4

Time of First Successful Submission: 2026-03-23 19:25:10

CMDi 5

Time of First Successful Submission: 2026-03-23 19:45:00

CMDi 6

Time of First Successful Submission: 2026-03-23 19:49:10

Authentication Bypass 1

Time of First Successful Submission: 2026-03-24 01:42:18

Authentication Bypass 2

Time of First Successful Submission: 2026-03-24 01:47:29

SQLi 1

Time of First Successful Submission: 2026-03-24 02:01:23

SQLi 2

Time of First Successful Submission: 2026-03-24 02:11:22

SQLi 3

Time of First Successful Submission: 2026-03-24 02:24:37

SQLi 4

Time of First Successful Submission: 2026-03-24 02:30:27

SQLi 5

Time of First Successful Submission: 2026-03-24 02:39:51

XSS 1

Time of First Successful Submission: 2026-03-24 16:46:18

XSS 2

Time of First Successful Submission: 2026-03-24 17:02:50

XSS 3

Time of First Successful Submission: 2026-03-24 17:06:20

XSS 4

Time of First Successful Submission: 2026-03-24 17:11:59

XSS 5

Time of First Successful Submission: 2026-03-24 17:30:15

XSS 6

Time of First Successful Submission: 2026-03-24 17:51:41

XSS 7

Time of First Successful Submission: 2026-03-24 18:06:34

CSRF 1

Time of First Successful Submission: 2026-03-25 00:02:02

CSRF 2

Time of First Successful Submission: 2026-03-25 01:11:50

CSRF 3

Time of First Successful Submission: 2026-03-25 01:24:50

CSRF 4

Time of First Successful Submission: 2026-03-25 01:37:16

CSRF 5

Time of First Successful Submission: 2026-03-25 01:45:38

Connect

Time of First Successful Submission: 2026-03-25 01:59:59

Send

Time of First Successful Submission: 2026-03-25 02:01:58

Shutdown

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

Listen

Time of First Successful Submission: 2026-03-25 02:04:35

Scan 1

Time of First Successful Submission: 2026-03-25 02:09:21

Scan 2

Time of First Successful Submission: 2026-03-25 03:17:22

Monitor 1

Time of First Successful Submission: 2026-03-25 18:10:18

Monitor 2

Time of First Successful Submission: 2026-03-25 18:31:47

Sniffing Cookies

Time of First Successful Submission: 2026-03-25 18:39:48

Network Configuration

Time of First Successful Submission: 2026-03-25 18:47:02

Firewall 1

Time of First Successful Submission: 2026-03-25 18:49:04

Firewall 2

Time of First Successful Submission: 2026-03-25 18:54:36

Firewall 3

Time of First Successful Submission: 2026-03-25 18:58:01

Denial of Service 1

Time of First Successful Submission: 2026-03-25 18:59:47

Denial of Service 2

Time of First Successful Submission: 2026-03-25 19:02:54

Denial of Service 3

Time of First Successful Submission: 2026-03-25 19:10:52

Ethernet

Time of First Successful Submission: 2026-03-25 20:04:31

IP

Time of First Successful Submission: 2026-03-25 20:07:02

TCP

Time of First Successful Submission: 2026-03-25 20:08:47

TCP Handshake

Time of First Successful Submission: 2026-03-25 20:17:00

UDP

Time of First Successful Submission: 2026-03-25 20:21:05

UDP 2

Time of First Successful Submission: 2026-03-25 20:22:29

UDP Spoofing 1

Time of First Successful Submission: 2026-03-25 20:25:18

UDP Spoofing 2

Time of First Successful Submission: 2026-03-25 20:39:20

UDP Spoofing 3

Time of First Successful Submission: 2026-03-25 21:09:32

UDP Spoofing 4

Time of First Successful Submission: 2026-03-25 21:24:57

ARP

Time of First Successful Submission: 2026-03-25 21:42:21

Intercept

Time of First Successful Submission: 2026-03-25 21:47:42

Man-in-the-Middle

Time of First Successful Submission: 2026-03-25 22:23:22

XOR

Time of First Successful Submission: 2026-03-26 12:51:56

XORing Hex

Time of First Successful Submission: 2026-03-26 02:08:38

XORing ASCII

Time of First Successful Submission: 2026-03-26 02:10:51

XORing ASCII Strings

Time of First Successful Submission: 2026-03-26 02:12:34

One-time Pad

Time of First Successful Submission: 2026-03-26 02:14:08

One-time Pad Tampering

Time of First Successful Submission: 2026-03-26 02:17:29

Many-time Pad

Time of First Successful Submission: 2026-03-26 02:21:00

AES

Time of First Successful Submission: 2026-03-26 02:22:21

AES-ECB-CPA

Time of First Successful Submission: 2026-03-26 02:23:43

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-03-26 02:25:21

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-03-26 02:26:22

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-03-26 02:28:03

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-03-26 02:29:13

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-03-26 02:30:30

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-03-26 02:31:38

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-03-26 02:36:17

AES-CBC

Time of First Successful Submission: 2026-03-26 02:39:14

AES-CBC Tampering

Time of First Successful Submission: 2026-03-26 02:40:54

AES-CBC Resizing

Time of First Successful Submission: 2026-03-26 02:41:57

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2026-03-26 03:02:49

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2026-03-26 03:09:23

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-03-26 03:31:15

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-03-26 13:17:32

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-03-26 13:33:08

DHKE

Time of First Successful Submission: 2026-03-26 14:01:34

DHKE-to-AES

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

RSA 1

Time of First Successful Submission: 2026-03-26 14:05:01

RSA 2

Time of First Successful Submission: 2026-03-26 14:05:56

RSA 3

Time of First Successful Submission: 2026-03-26 14:07:47

RSA 4

Time of First Successful Submission: 2026-03-26 14:11:00

RSA Signatures

Time of First Successful Submission: 2026-03-26 14:12:53

SHA 1

Time of First Successful Submission: 2026-03-26 14:37:04

SHA 2

Time of First Successful Submission: 2026-03-26 14:42:02

TLS 1

Time of First Successful Submission: 2026-03-26 14:44:37

TLS 2

Time of First Successful Submission: 2026-03-26 14:46:52

level1

Time of First Successful Submission: 2026-03-26 01:23:31

level2

Time of First Successful Submission: 2026-03-26 01:24:02

level3

Time of First Successful Submission: 2026-03-26 01:33:28

level4

Time of First Successful Submission: 2026-03-26 01:33:59

level5

Time of First Successful Submission: 2026-03-26 01:39:14

level6

Time of First Successful Submission: 2026-03-26 01:40:58

level7

Time of First Successful Submission: 2026-03-26 01:42:20

level8

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

level9

Time of First Successful Submission: 2026-03-26 01:43:35

level10

Time of First Successful Submission: 2026-03-26 01:45:41

level11

Time of First Successful Submission: 2026-03-26 01:50:54

level12

Time of First Successful Submission: 2026-03-26 01:53:56

level13

Time of First Successful Submission: 2026-03-26 01:55:16

level14

Time of First Successful Submission: 2026-03-26 01:56:27

level15

Time of First Successful Submission: 2026-03-26 01:57:17

level16

Time of First Successful Submission: 2026-03-26 01:59:14

level17

Time of First Successful Submission: 2026-03-26 02:00:46

level18

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

level19

Time of First Successful Submission: 2026-03-26 02:03:29

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-04-10 15:09:29

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-04-10 15:23:35

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-04-10 15:26:00

Reading Endianness (Python)

Time of First Successful Submission: 2026-04-10 15:35:19

Reading Endianness (C)

Time of First Successful Submission: 2026-04-10 23:48:19

Reading Endianness (x86)

Time of First Successful Submission: 2026-04-10 23:55:35

Version Information (Python)

Time of First Successful Submission: 2026-04-13 01:15:08

Version Information (C)

Time of First Successful Submission: 2026-04-13 01:38:07

Version Information (x86)

Time of First Successful Submission: 2026-04-13 01:42:53

Metadata and Data (Python)

Time of First Successful Submission: 2026-04-13 18:23:08

Metadata and Data (C)

Time of First Successful Submission: 2026-04-16 19:35:52

Metadata and Data (x86)

Time of First Successful Submission: 2026-04-16 19:47:45

Input Restrictions (Python)

Time of First Successful Submission: 2026-04-16 19:59:10

Input Restrictions (C)

Time of First Successful Submission: 2026-04-16 20:13:28

Input Restrictions (x86)

Time of First Successful Submission: 2026-04-16 20:16:17

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-04-17 01:12:49

Behold the cIMG! (C)

Time of First Successful Submission: 2026-04-17 01:42:32

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-04-17 01:51:27

A Basic cIMG (Python)

Time of First Successful Submission: 2026-04-17 02:07:52

A Basic cIMG (C)

Time of First Successful Submission: 2026-04-17 02:10:20

A Basic cIMG (x86)

Time of First Successful Submission: 2026-04-17 02:11:20

Internal State Mini (C)

Time of First Successful Submission: 2026-04-17 16:46:27

Internal State Mini (x86)

Time of First Successful Submission: 2026-04-17 16:52:56

Internal State (C)

Time of First Successful Submission: 2026-04-17 21:25:55

Internal State (x86)

Time of First Successful Submission: 2026-04-17 21:55:25

File Formats: Directives (C)

Time of First Successful Submission: 2026-04-17 23:45:16

File Formats: Directives (x86)

Time of First Successful Submission: 2026-04-17 23:56:34

The Patch Directive

Time of First Successful Submission: 2026-04-18 15:53:43

Optimizing for Space

Time of First Successful Submission: 2026-04-18 16:16:50

Tweaking Images

Time of First Successful Submission: 2026-04-18 18:32:38

Storage and Retrieval

Time of First Successful Submission: 2026-04-23 12:31:23

Extracting Knowledge

Time of First Successful Submission: 2026-04-23 12:42:00

Advanced Sprites

Time of First Successful Submission: 2026-04-23 19:33:34

Accessing Resources

Time of First Successful Submission: 2026-04-23 21:10:34

Unsafe Animations

Time of First Successful Submission: 2026-04-23 23:23:47

Animations

Time of First Successful Submission: 2026-04-23 23:39:30

Interoperability: Patching Data

Time of First Successful Submission: 2026-04-24 00:34:12

Patching Code

Time of First Successful Submission: 2026-04-24 00:48:06

Patching Control Flow

Time of First Successful Submission: 2026-04-24 00:57:20

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-03-23 01:06:56

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-17 14:10:37

Using the GUI Desktop

Time of First Successful Submission: 2024-01-17 14:13:15

Pasting into the Desktop

Time of First Successful Submission: 2024-01-17 14:24:10

Restarting Challenges

Time of First Successful Submission: 2026-03-23 01:17:26

Challenge Programs

Time of First Successful Submission: 2026-03-23 01:05:03

The Flag File

Time of First Successful Submission: 2024-01-17 14:33:27

Using Privileged Mode

Time of First Successful Submission: 2024-01-17 14:40:37

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-17 14:50:28

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-17 14:52:03

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-03-27 15:17:46

Intro to Arguments

Time of First Successful Submission: 2026-03-28 21:22:15

Command History

Time of First Successful Submission: 2026-04-02 23:20:54

Computing 101

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Your First Register

Time of First Successful Submission: 2026-03-29 01:28:44

Your First Syscall

Time of First Successful Submission: 2026-03-29 01:31:31

Exit Codes

Time of First Successful Submission: 2026-03-29 01:33:07

Building Executables

Time of First Successful Submission: 2026-03-29 02:07:36

Moving Between Registers

Time of First Successful Submission: 2026-03-29 02:19:33

Loading From Memory

Time of First Successful Submission: 2026-03-29 18:00:48

More Loading Practice

Time of First Successful Submission: 2026-03-29 18:04:28

Dereferencing Pointers

Time of First Successful Submission: 2026-03-29 18:16:03

Dereferencing Yourself

Time of First Successful Submission: 2026-03-29 18:22:32

Dereferencing with Offsets

Time of First Successful Submission: 2026-03-29 19:02:16

Stored Addresses

Time of First Successful Submission: 2026-03-29 19:05:01

Double Dereference

Time of First Successful Submission: 2026-03-29 19:15:18

The Stack

Time of First Successful Submission: 2026-03-29 19:33:29

Stack Offsets

Time of First Successful Submission: 2026-03-29 19:37:40

Program Arguments on the Stack

Time of First Successful Submission: 2026-03-29 19:47:55

Popping From the Stack

Time of First Successful Submission: 2026-03-29 19:59:16

Disassembling Programs

Time of First Successful Submission: 2026-03-30 16:17:36

Tracing Syscalls

Time of First Successful Submission: 2026-03-30 16:44:35

Starting GDB

Time of First Successful Submission: 2026-03-30 16:45:19

Quitting GDB

Time of First Successful Submission: 2026-03-30 16:45:48

Starting Programs in GDB

Time of First Successful Submission: 2026-03-30 16:52:22

Disassembling in GDB

Time of First Successful Submission: 2026-03-30 17:06:29

Stepping Through Instructions

Time of First Successful Submission: 2026-03-30 19:31:57

Reading Register Values

Time of First Successful Submission: 2026-03-30 19:37:18

Popping Stack Values

Time of First Successful Submission: 2026-03-30 19:45:18

Examining Memory

Time of First Successful Submission: 2026-03-31 22:29:17

Examining Stack Pointers

Time of First Successful Submission: 2026-04-01 19:08:43

Cooperative Debugging

Time of First Successful Submission: 2026-04-01 19:15:53

Writing Output

Time of First Successful Submission: 2026-04-02 18:41:19

Chaining Syscalls

Time of First Successful Submission: 2026-04-02 18:45:22

Writing Strings

Time of First Successful Submission: 2026-04-02 18:48:41

Reading Data

Time of First Successful Submission: 2026-04-02 19:20:18

Opening Files

Time of First Successful Submission: 2026-04-02 19:29:10

Hardcoding the Filename

Time of First Successful Submission: 2026-04-02 19:41:49

Comparing Values

Time of First Successful Submission: 2026-04-04 19:52:06

Comparing Characters

Time of First Successful Submission: 2026-04-04 19:58:36

Conditional Control Flow

Time of First Successful Submission: 2026-04-05 00:35:11

Comparing Strings

Time of First Successful Submission: 2026-04-05 00:52:55

Reverse the Password

Time of First Successful Submission: 2026-04-05 01:30:40

Conditionals Without Conditionals

Time of First Successful Submission: 2026-04-05 02:52:03

Looping

Time of First Successful Submission: 2026-04-08 17:41:19

Reverse the Calculation

Time of First Successful Submission: 2026-04-08 23:11:10

Reverse the Reverse

Time of First Successful Submission: 2026-04-08 23:47:53

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-04-08 23:50:38

Loops on Data

Time of First Successful Submission: 2026-04-08 23:55:10

set-register

Time of First Successful Submission: 2026-04-09 00:07:02

set-multiple-registers

Time of First Successful Submission: 2026-04-09 00:10:54

add-to-register

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

linear-equation-registers

Time of First Successful Submission: 2026-04-09 00:18:07

integer-division

Time of First Successful Submission: 2026-04-09 00:33:39

modulo-operation

Time of First Successful Submission: 2026-04-09 00:38:49

set-upper-byte

Time of First Successful Submission: 2026-04-09 00:45:03

efficient-modulo

Time of First Successful Submission: 2026-04-09 00:56:18

byte-extraction

Time of First Successful Submission: 2026-04-09 01:29:52

bitwise-and

Time of First Successful Submission: 2026-04-09 01:40:14

check-even

Time of First Successful Submission: 2026-04-09 02:02:00

memory-read

Time of First Successful Submission: 2026-04-09 15:10:39

memory-write

Time of First Successful Submission: 2026-04-09 15:13:02

memory-increment

Time of First Successful Submission: 2026-04-09 15:20:42

byte-access

Time of First Successful Submission: 2026-04-09 15:32:35

memory-size-access

Time of First Successful Submission: 2026-04-09 15:37:48

little-endian-write

Time of First Successful Submission: 2026-04-09 15:56:35

memory-sum

Time of First Successful Submission: 2026-04-09 17:37:52

stack-subtraction

Time of First Successful Submission: 2026-04-09 18:08:09

swap-stack-values

Time of First Successful Submission: 2026-04-09 18:12:43

average-stack-values

Time of First Successful Submission: 2026-04-09 18:24:42

absolute-jump

Time of First Successful Submission: 2026-04-09 18:46:54

relative-jump

Time of First Successful Submission: 2026-04-09 19:02:19

jump-trampoline

Time of First Successful Submission: 2026-04-09 19:18:45

conditional-jump

Time of First Successful Submission: 2026-04-09 19:42:01

indirect-jump

Time of First Successful Submission: 2026-04-09 19:50:02

average-loop

Time of First Successful Submission: 2026-04-09 20:06:31

count-non-zero

Time of First Successful Submission: 2026-04-09 20:10:41

string-lower

Time of First Successful Submission: 2026-04-09 20:31:09

most-common-byte

Time of First Successful Submission: 2026-04-09 20:36:02

Debugging Programs

Time of First Successful Submission: 2024-01-17 16:57:49

Inspecting Registers

Time of First Successful Submission: 2024-01-17 19:24:16

Playing With Programs

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cat

Time of First Successful Submission: 2024-01-20 09:50:47

more

Time of First Successful Submission: 2024-01-20 09:53:06

less

Time of First Successful Submission: 2024-01-20 09:55:31

tail

Time of First Successful Submission: 2024-01-20 09:58:02

head

Time of First Successful Submission: 2024-01-20 09:59:08

sort

Time of First Successful Submission: 2024-01-20 10:00:47

vim

Time of First Successful Submission: 2024-01-20 10:02:41

emacs

Time of First Successful Submission: 2024-01-20 10:07:18

nano

Time of First Successful Submission: 2024-01-20 10:08:53

rev

Time of First Successful Submission: 2024-01-20 10:35:21

od

Time of First Successful Submission: 2024-01-20 10:35:17

hd

Time of First Successful Submission: 2024-01-21 09:35:56

xxd

Time of First Successful Submission: 2024-01-21 10:45:21

base32

Time of First Successful Submission: 2024-01-21 10:54:22

base64

Time of First Successful Submission: 2024-01-21 11:27:50

split

Time of First Successful Submission: 2024-01-21 11:40:41

gzip

Time of First Successful Submission: 2024-01-21 13:26:46

bzip2

Time of First Successful Submission: 2024-01-21 13:32:47

zip

Time of First Successful Submission: 2024-01-23 10:56:15

tar

Time of First Successful Submission: 2024-01-23 14:09:47

ar

Time of First Successful Submission: 2024-01-23 14:29:47

SQL Queries

Time of First Successful Submission: 2026-03-24 00:55:46

Filtering SQL

Time of First Successful Submission: 2026-03-24 01:03:41

Choosing Columns

Time of First Successful Submission: 2026-03-24 01:05:41

Exclusionary Filtering

Time of First Successful Submission: 2026-03-24 01:08:05

Filtering Strings

Time of First Successful Submission: 2026-03-24 01:09:43

Filtering on Expressions

Time of First Successful Submission: 2026-03-24 01:12:06

SELECTing Expressions

Time of First Successful Submission: 2026-03-24 01:18:31

Composite Conditions

Time of First Successful Submission: 2026-03-24 01:23:20

Reaching Your LIMITs

Time of First Successful Submission: 2026-03-24 01:26:20

Querying Metadata

Time of First Successful Submission: 2026-03-24 01:29:36

GCA CTF

10 / 104 20256 / 44582

Using the Terminal

Time of First Successful Submission: 2026-03-23 01:06:56

Using the VSCode Workspace

Time of First Successful Submission: 2024-01-17 14:10:37

Using the GUI Desktop

Time of First Successful Submission: 2024-01-17 14:13:15

Pasting into the Desktop

Time of First Successful Submission: 2024-01-17 14:24:10

Restarting Challenges

Time of First Successful Submission: 2026-03-23 01:17:26

Challenge Programs

Time of First Successful Submission: 2026-03-23 01:05:03

The Flag File

Time of First Successful Submission: 2024-01-17 14:33:27

Using Privileged Mode

Time of First Successful Submission: 2024-01-17 14:40:37

Persistent Home Directories - One

Time of First Successful Submission: 2024-01-17 14:50:28

Persistent Home Directories - Two

Time of First Successful Submission: 2024-01-17 14:52:03

Pwntools Tutorials

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Level 0.0

Time of First Successful Submission: 2026-04-09 23:30:45

Level 1.0

Time of First Successful Submission: 2026-04-10 00:29:46

Level 1.1

Time of First Successful Submission: 2026-04-10 00:38:18

Level 2.0

Time of First Successful Submission: 2026-04-10 00:42:30

Level 2.1

Time of First Successful Submission: 2026-04-10 00:59:39

Level 2.2

Time of First Successful Submission: 2026-04-10 01:06:13

Level 2.3

Time of First Successful Submission: 2026-04-10 01:18:08

Level 2.4

Time of First Successful Submission: 2026-04-10 01:26:05

Level 2.5

Time of First Successful Submission: 2026-04-10 01:39:08

Level 2.6

Time of First Successful Submission: 2026-04-10 01:45:15

Level 3.0

Time of First Successful Submission: 2026-04-10 02:06:26

Level 4.0

Time of First Successful Submission: 2026-04-10 02:47:41