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Triple Dereference

Time of First Successful Submission: 2025-11-17 20:12:05

Intro to Programming Languages

15 / 234 6354 / 31864

Commands

Time of First Successful Submission: 2025-09-01 21:31:01

Command Arguments

Time of First Successful Submission: 2025-09-01 21:33:26

Command History

Time of First Successful Submission: 2025-09-01 21:39:17

The Root Path

Time of First Successful Submission: 2025-09-11 18:42:32

Absolute Paths

Time of First Successful Submission: 2025-09-11 18:43:40

Changing position

Time of First Successful Submission: 2025-10-04 18:35:14

Changing to an Absolute Path

Time of First Successful Submission: 2025-10-04 18:38:52

Relative Paths

Time of First Successful Submission: 2025-10-04 18:55:31

Cat

Time of First Successful Submission: 2025-10-04 19:57:28

Ls

Time of First Successful Submission: 2025-10-04 20:15:44

Ls All

Time of First Successful Submission: 2025-10-04 21:21:37

Find

Time of First Successful Submission: 2025-10-04 22:50:22

Piping Echo

Time of First Successful Submission: 2025-11-26 10:54:04

Piping Stdout

Time of First Successful Submission: 2025-11-26 10:55:25

Piping Stdin

Time of First Successful Submission: 2025-11-26 11:00:24

Intro to Cybersecurity

147 / 183 611 / 19990

Path Traversal 1

Time of First Successful Submission: 2025-11-26 06:07:22

Path Traversal 2

Time of First Successful Submission: 2025-11-26 08:54:17

CMDi 1

Time of First Successful Submission: 2025-11-26 07:17:15

CMDi 2

Time of First Successful Submission: 2025-11-26 07:21:57

CMDi 3

Time of First Successful Submission: 2025-11-26 07:26:04

CMDi 4

Time of First Successful Submission: 2025-11-26 07:27:44

CMDi 5

Time of First Successful Submission: 2025-11-26 07:29:16

Authentication Bypass 1

Time of First Successful Submission: 2025-11-26 07:30:57

Authentication Bypass 2

Time of First Successful Submission: 2025-11-26 07:32:35

SQLi 1

Time of First Successful Submission: 2025-11-26 07:34:37

SQLi 2

Time of First Successful Submission: 2025-11-26 07:38:09

SQLi 3

Time of First Successful Submission: 2025-11-26 07:40:22

SQLi 4

Time of First Successful Submission: 2025-11-26 07:43:12

SQLi 5

Time of First Successful Submission: 2025-11-26 07:48:37

XSS 1

Time of First Successful Submission: 2025-11-26 07:50:18

XSS 2

Time of First Successful Submission: 2025-11-26 08:04:45

XSS 3

Time of First Successful Submission: 2025-11-26 08:07:48

XSS 4

Time of First Successful Submission: 2025-11-26 08:09:41

XSS 5

Time of First Successful Submission: 2025-11-26 08:13:24

XSS 6

Time of First Successful Submission: 2025-11-26 08:15:19

XSS 7

Time of First Successful Submission: 2025-11-26 08:19:19

CSRF 1

Time of First Successful Submission: 2025-11-26 08:27:51

CSRF 2

Time of First Successful Submission: 2025-11-26 08:29:51

CSRF 3

Time of First Successful Submission: 2025-11-26 08:32:48

CSRF 4

Time of First Successful Submission: 2025-11-26 08:37:57

CSRF 5

Time of First Successful Submission: 2025-11-26 08:42:41

Connect

Time of First Successful Submission: 2025-11-13 18:36:02

Send

Time of First Successful Submission: 2025-11-13 18:38:26

Shutdown

Time of First Successful Submission: 2025-11-13 18:41:22

Listen

Time of First Successful Submission: 2025-11-13 18:43:28

Scan 1

Time of First Successful Submission: 2025-11-13 18:52:15

Scan 2

Time of First Successful Submission: 2025-11-13 18:57:30

Monitor 1

Time of First Successful Submission: 2025-11-13 18:59:15

Monitor 2

Time of First Successful Submission: 2025-11-14 13:17:32

Sniffing Cookies

Time of First Successful Submission: 2025-11-14 13:35:42

Network Configuration

Time of First Successful Submission: 2025-11-13 20:08:56

Firewall 1

Time of First Successful Submission: 2025-11-13 20:13:39

Firewall 2

Time of First Successful Submission: 2025-11-13 20:15:12

Firewall 3

Time of First Successful Submission: 2025-11-13 20:20:05

Denial of Service 1

Time of First Successful Submission: 2025-11-14 02:33:30

Denial of Service 2

Time of First Successful Submission: 2025-11-14 02:36:17

Denial of Service 3

Time of First Successful Submission: 2025-11-14 13:41:59

Ethernet

Time of First Successful Submission: 2025-11-14 06:27:01

IP

Time of First Successful Submission: 2025-11-14 06:30:39

TCP

Time of First Successful Submission: 2025-11-14 06:33:28

TCP Handshake

Time of First Successful Submission: 2025-11-14 06:37:00

UDP

Time of First Successful Submission: 2025-11-14 06:57:25

UDP 2

Time of First Successful Submission: 2025-11-14 07:00:24

UDP Spoofing 1

Time of First Successful Submission: 2025-11-14 07:04:21

UDP Spoofing 2

Time of First Successful Submission: 2025-11-14 07:10:08

UDP Spoofing 3

Time of First Successful Submission: 2025-11-14 07:13:24

UDP Spoofing 4

Time of First Successful Submission: 2025-11-14 07:22:35

ARP

Time of First Successful Submission: 2025-11-14 07:25:28

Intercept

Time of First Successful Submission: 2025-11-14 08:04:17

Man-in-the-Middle

Time of First Successful Submission: 2025-11-15 08:10:12

XOR

Time of First Successful Submission: 2025-12-04 16:03:59

XORing Hex

Time of First Successful Submission: 2025-12-04 16:06:33

XORing ASCII

Time of First Successful Submission: 2025-12-05 08:23:28

XORing ASCII Strings

Time of First Successful Submission: 2025-12-05 08:41:34

One-time Pad

Time of First Successful Submission: 2025-12-05 08:44:27

One-time Pad Tampering

Time of First Successful Submission: 2025-12-05 08:51:57

Many-time Pad

Time of First Successful Submission: 2025-12-05 08:57:39

AES

Time of First Successful Submission: 2025-12-05 09:00:58

AES-ECB-CPA

Time of First Successful Submission: 2025-12-05 14:02:34

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-12-05 14:07:32

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-12-05 14:12:06

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-12-05 14:16:26

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-12-05 14:20:51

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-12-05 14:24:07

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-12-05 14:33:38

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-12-08 15:45:49

AES-CBC

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

AES-CBC Tampering

Time of First Successful Submission: 2025-12-05 13:15:09

AES-CBC Resizing

Time of First Successful Submission: 2025-12-05 13:19:52

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-12-08 15:58:04

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-12-08 16:03:02

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-12-08 16:07:18

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-12-05 15:44:22

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-12-08 15:13:19

DHKE

Time of First Successful Submission: 2025-12-05 10:41:31

DHKE-to-AES

Time of First Successful Submission: 2025-12-05 10:46:04

RSA 1

Time of First Successful Submission: 2025-12-05 10:53:42

RSA 2

Time of First Successful Submission: 2025-12-05 10:58:04

RSA 3

Time of First Successful Submission: 2025-12-05 11:01:05

RSA 4

Time of First Successful Submission: 2025-12-05 11:23:48

RSA Signatures

Time of First Successful Submission: 2025-12-05 11:34:32

SHA 1

Time of First Successful Submission: 2025-12-05 11:58:14

SHA 2

Time of First Successful Submission: 2025-12-05 12:07:24

TLS 1

Time of First Successful Submission: 2025-12-05 12:42:31

TLS 2

Time of First Successful Submission: 2025-12-05 13:00:30

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-11-23 19:53:38

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-11-23 20:05:42

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-11-24 03:45:37

Reading Endianness (Python)

Time of First Successful Submission: 2025-11-24 03:49:53

Reading Endianness (C)

Time of First Successful Submission: 2025-11-24 03:53:34

Reading Endianness (x86)

Time of First Successful Submission: 2025-11-24 03:56:24

Version Information (Python)

Time of First Successful Submission: 2025-11-24 04:00:45

Version Information (C)

Time of First Successful Submission: 2025-11-24 04:03:34

Version Information (x86)

Time of First Successful Submission: 2025-11-24 04:06:19

Metadata and Data (Python)

Time of First Successful Submission: 2025-11-24 04:09:06

Metadata and Data (C)

Time of First Successful Submission: 2025-11-24 04:12:05

Metadata and Data (x86)

Time of First Successful Submission: 2025-11-24 04:14:44

Input Restrictions (Python)

Time of First Successful Submission: 2025-11-24 04:18:03

Input Restrictions (C)

Time of First Successful Submission: 2025-11-24 04:21:02

Input Restrictions (x86)

Time of First Successful Submission: 2025-11-24 04:24:07

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-11-24 04:27:38

Behold the cIMG! (C)

Time of First Successful Submission: 2025-11-24 04:35:35

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-11-24 04:45:48

A Basic cIMG (Python)

Time of First Successful Submission: 2025-11-24 04:50:20

A Basic cIMG (C)

Time of First Successful Submission: 2025-11-24 04:55:15

A Basic cIMG (x86)

Time of First Successful Submission: 2025-11-24 04:59:37

Internal State Mini (C)

Time of First Successful Submission: 2025-11-24 05:10:15

Internal State Mini (x86)

Time of First Successful Submission: 2025-11-24 05:14:45

Internal State (C)

Time of First Successful Submission: 2025-11-24 05:47:51

Internal State (x86)

Time of First Successful Submission: 2025-11-24 05:50:45

File Formats: Directives (C)

Time of First Successful Submission: 2025-11-24 05:59:42

File Formats: Directives (x86)

Time of First Successful Submission: 2025-11-25 09:26:09

The Patch Directive

Time of First Successful Submission: 2025-12-14 09:16:08

Tweaking Images

Time of First Successful Submission: 2025-11-28 21:48:34

Extracting Knowledge

Time of First Successful Submission: 2025-11-30 13:39:58

Accessing Resources

Time of First Successful Submission: 2025-11-29 17:46:49

Unsafe Animations

Time of First Successful Submission: 2025-11-29 19:04:44

Animations

Time of First Successful Submission: 2025-11-30 00:03:22

Interoperability: Patching Data

Time of First Successful Submission: 2025-11-29 14:56:48

Patching Code

Time of First Successful Submission: 2025-11-29 15:16:31

Patching Control Flow

Time of First Successful Submission: 2025-11-29 16:03:16

Your First Overflow (easy)

Time of First Successful Submission: 2025-11-18 14:51:12

Your First Overflow (hard)

Time of First Successful Submission: 2025-11-20 22:14:38

Precision (easy)

Time of First Successful Submission: 2025-11-18 14:58:58

Precision (hard)

Time of First Successful Submission: 2025-11-18 15:01:47

Variable Control (easy)

Time of First Successful Submission: 2025-11-18 15:14:01

Variable Control (hard)

Time of First Successful Submission: 2025-11-18 15:19:03

Control Hijack (easy)

Time of First Successful Submission: 2025-11-18 15:25:57

Control Hijack (hard)

Time of First Successful Submission: 2025-11-20 22:18:37

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-11-18 15:54:01

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-11-18 15:57:04

PIEs (easy)

Time of First Successful Submission: 2025-11-18 16:39:36

PIEs (hard)

Time of First Successful Submission: 2025-11-18 17:54:43

String Lengths (easy)

Time of First Successful Submission: 2025-11-19 15:57:41

String Lengths (hard)

Time of First Successful Submission: 2025-11-19 16:33:35

Basic Shellcode

Time of First Successful Submission: 2025-11-19 16:56:26

NOP Sleds

Time of First Successful Submission: 2025-11-19 17:02:17

NULL-Free Shellcode

Time of First Successful Submission: 2025-11-19 17:21:52

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-11-20 17:19:00

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-11-20 18:04:11

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-11-20 18:42:21

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-11-20 22:07:31

Start Here

5 / 12 31024 / 43149

Using the Terminal

Time of First Successful Submission: 2025-08-30 01:07:53

Using the VSCode Workspace

Time of First Successful Submission: 2025-08-30 01:10:11

Using the GUI Desktop

Time of First Successful Submission: 2025-08-30 01:15:24

Pasting into the Desktop

Time of First Successful Submission: 2025-08-30 01:18:09

Restarting Challenges

Time of First Successful Submission: 2025-08-30 01:21:36

Linux Luminarium

125 / 128 4015 / 32272

Intro to Commands

Time of First Successful Submission: 2025-09-01 21:31:01

Intro to Arguments

Time of First Successful Submission: 2025-09-01 21:33:26

Command History

Time of First Successful Submission: 2025-09-01 21:39:17

The Root

Time of First Successful Submission: 2025-09-11 18:42:32

Program and absolute paths

Time of First Successful Submission: 2025-09-11 18:43:40

Position thy self

Time of First Successful Submission: 2025-10-04 18:35:14

Position elsewhere

Time of First Successful Submission: 2025-10-04 18:38:52

implicit relative paths, from /

Time of First Successful Submission: 2025-10-04 18:55:31

explicit relative paths, from /

Time of First Successful Submission: 2025-10-04 19:06:10

implicit relative path

Time of First Successful Submission: 2025-10-04 19:17:43

home sweet home

Time of First Successful Submission: 2025-10-04 19:51:30

cat: not the pet, but the command!

Time of First Successful Submission: 2025-10-04 19:57:28

catting absolute paths

Time of First Successful Submission: 2025-10-04 19:58:38

more catting practice

Time of First Successful Submission: 2025-10-04 20:02:29

grepping for a needle in a haystack

Time of First Successful Submission: 2025-10-04 20:05:00

comparing files

Time of First Successful Submission: 2025-10-04 20:12:15

listing files

Time of First Successful Submission: 2025-10-04 20:15:44

touching files

Time of First Successful Submission: 2025-10-04 20:17:11

removing files

Time of First Successful Submission: 2025-10-04 20:20:18

moving files

Time of First Successful Submission: 2025-10-04 21:09:18

hidden files

Time of First Successful Submission: 2025-10-04 21:21:37

An Epic Filesystem Quest

Time of First Successful Submission: 2025-10-04 22:07:12

making directories

Time of First Successful Submission: 2025-10-04 22:10:27

finding files

Time of First Successful Submission: 2025-10-04 22:50:22

linking files

Time of First Successful Submission: 2025-10-04 23:04:30

Learning From Documentation

Time of First Successful Submission: 2025-10-05 01:41:36

Learning Complex Usage

Time of First Successful Submission: 2025-10-05 01:42:19

Reading Manuals

Time of First Successful Submission: 2025-11-08 06:58:06

Searching Manuals

Time of First Successful Submission: 2025-11-08 09:00:04

Searching For Manuals

Time of First Successful Submission: 2025-11-26 10:30:03

Helpful Programs

Time of First Successful Submission: 2025-11-26 10:33:35

Help for Builtins

Time of First Successful Submission: 2025-11-26 10:35:59

Matching with *

Time of First Successful Submission: 2025-10-04 23:08:49

Matching with ?

Time of First Successful Submission: 2025-11-26 10:40:41

Matching with []

Time of First Successful Submission: 2025-11-26 10:41:53

Matching paths with []

Time of First Successful Submission: 2025-11-26 10:43:09

Multiple globs

Time of First Successful Submission: 2025-11-26 10:44:19

Mixing globs

Time of First Successful Submission: 2025-11-26 10:46:12

Exclusionary globbing

Time of First Successful Submission: 2025-11-26 10:47:17

Tab completion

Time of First Successful Submission: 2025-11-26 10:49:00

Multiple options for tab completion

Time of First Successful Submission: 2025-11-26 10:51:38

Tab completion on commands

Time of First Successful Submission: 2025-11-26 10:52:34

Redirecting output

Time of First Successful Submission: 2025-11-26 10:54:04

Redirecting more output

Time of First Successful Submission: 2025-11-26 10:55:25

Appending output

Time of First Successful Submission: 2025-11-26 10:58:14

Redirecting errors

Time of First Successful Submission: 2025-11-26 10:59:30

Redirecting input

Time of First Successful Submission: 2025-11-26 11:00:24

Grepping stored results

Time of First Successful Submission: 2025-11-26 11:01:20

Grepping live output

Time of First Successful Submission: 2025-11-26 11:02:32

Grepping errors

Time of First Successful Submission: 2025-11-26 11:03:24

Filtering with grep -v

Time of First Successful Submission: 2025-11-26 11:04:18

Duplicating piped data with tee

Time of First Successful Submission: 2025-11-26 11:07:12

Process substitution for input

Time of First Successful Submission: 2025-11-26 11:09:01

Writing to multiple programs

Time of First Successful Submission: 2025-11-26 11:10:14

Split-piping stderr and stdout

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

Named pipes

Time of First Successful Submission: 2025-11-26 11:12:41

Printing Variables

Time of First Successful Submission: 2025-11-26 11:14:46

Setting Variables

Time of First Successful Submission: 2025-11-26 11:15:50

Multi-word Variables

Time of First Successful Submission: 2025-11-26 11:16:52

Exporting Variables

Time of First Successful Submission: 2025-11-26 11:19:41

Printing Exported Variables

Time of First Successful Submission: 2025-11-26 11:21:00

Storing Command Output

Time of First Successful Submission: 2025-11-26 11:25:21

Reading Input

Time of First Successful Submission: 2025-11-26 11:26:44

Reading Files

Time of First Successful Submission: 2025-11-26 11:27:40

Translating characters

Time of First Successful Submission: 2025-11-26 12:18:05

Deleting characters

Time of First Successful Submission: 2025-11-26 12:19:23

Deleting newlines

Time of First Successful Submission: 2025-11-26 12:20:30

Extracting the first lines with head

Time of First Successful Submission: 2025-11-26 12:21:30

Extracting specific sections of text

Time of First Successful Submission: 2025-11-26 12:23:05

Sorting data

Time of First Successful Submission: 2025-11-26 12:25:15

Listing Processes

Time of First Successful Submission: 2025-11-26 12:30:24

Killing Processes

Time of First Successful Submission: 2025-11-26 12:32:04

Interrupting Processes

Time of First Successful Submission: 2025-11-26 12:33:22

Killing Misbehaving Processes

Time of First Successful Submission: 2025-11-26 12:44:47

Suspending Processes

Time of First Successful Submission: 2025-11-26 12:49:36

Resuming Processes

Time of First Successful Submission: 2025-11-26 12:50:40

Backgrounding Processes

Time of First Successful Submission: 2025-11-26 12:52:37

Foregrounding Processes

Time of First Successful Submission: 2025-11-26 12:54:52

Starting Backgrounded Processes

Time of First Successful Submission: 2025-11-26 12:57:28

Process Exit Codes

Time of First Successful Submission: 2025-11-26 12:59:10

Becoming root with su

Time of First Successful Submission: 2025-11-26 13:00:54

Other users with su

Time of First Successful Submission: 2025-11-26 13:02:48

Cracking passwords

Time of First Successful Submission: 2025-11-26 13:07:16

Using sudo

Time of First Successful Submission: 2025-11-26 13:08:17

Changing File Ownership

Time of First Successful Submission: 2025-11-26 13:12:55

Groups and Files

Time of First Successful Submission: 2025-11-26 13:15:36

Fun With Groups Names

Time of First Successful Submission: 2025-11-26 13:18:50

Changing Permissions

Time of First Successful Submission: 2025-11-26 13:21:17

Executable Files

Time of First Successful Submission: 2025-11-26 13:24:25

Permission Tweaking Practice

Time of First Successful Submission: 2025-11-26 13:34:01

Permissions Setting Practice

Time of First Successful Submission: 2025-11-26 13:41:53

The SUID Bit

Time of First Successful Submission: 2025-11-26 13:44:11

Chaining with Semicolons

Time of First Successful Submission: 2025-11-26 13:46:10

Building on Success

Time of First Successful Submission: 2025-11-26 13:47:19

Handling Failure

Time of First Successful Submission: 2025-11-26 13:49:09

Your First Shell Script

Time of First Successful Submission: 2025-11-26 13:52:16

Redirecting Script Output

Time of First Successful Submission: 2025-11-26 13:53:57

Executable Shell Scripts

Time of First Successful Submission: 2025-11-26 13:56:44

Understanding Shebangs

Time of First Successful Submission: 2025-11-26 13:58:45

Scripting with Arguments

Time of First Successful Submission: 2025-11-26 14:00:33

Scripting with Conditionals

Time of First Successful Submission: 2025-11-26 14:02:29

Scripting with Default Cases

Time of First Successful Submission: 2025-11-26 14:05:43

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-11-26 14:09:11

Launching Screen

Time of First Successful Submission: 2025-11-26 14:12:36

Detaching and Attaching

Time of First Successful Submission: 2025-11-26 14:15:00

Finding Sessions

Time of First Successful Submission: 2025-11-26 14:18:33

Switching Windows

Time of First Successful Submission: 2025-11-26 14:21:32

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-11-26 14:24:00

Switching Windows (tmux)

Time of First Successful Submission: 2025-11-26 18:41:32

The PATH Variable

Time of First Successful Submission: 2025-11-26 14:46:12

Setting PATH

Time of First Successful Submission: 2025-11-26 14:47:43

Finding Commands

Time of First Successful Submission: 2025-11-26 14:50:10

Adding Commands

Time of First Successful Submission: 2025-11-26 15:59:30

Hijacking Commands

Time of First Successful Submission: 2025-11-26 16:01:53

Bashrc Backdoor

Time of First Successful Submission: 2025-11-26 16:04:52

Sniffing Input

Time of First Successful Submission: 2025-11-26 16:08:04

Overshared Directories

Time of First Successful Submission: 2025-11-26 16:15:05

Tricky Linking

Time of First Successful Submission: 2025-11-26 16:19:24

Sniffing Process Arguments

Time of First Successful Submission: 2025-11-26 16:23:37

Snooping on Configurations

Time of First Successful Submission: 2025-11-26 16:26:31

The Fork Bomb

Time of First Successful Submission: 2025-11-26 18:22:27

Disk-Space Doomsday

Time of First Successful Submission: 2025-11-26 17:02:07

rm -rf /

Time of First Successful Submission: 2025-11-26 17:10:32

Life after rm -rf /

Time of First Successful Submission: 2025-11-26 17:28:11

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-11-26 17:47:05

Computing 101

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Your First Register

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Your First Syscall

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Exit Codes

Time of First Successful Submission: 2025-11-17 16:48:21

Building Executables

Time of First Successful Submission: 2025-11-17 16:51:50

Moving Between Registers

Time of First Successful Submission: 2025-11-17 16:59:05

Loading From Memory

Time of First Successful Submission: 2025-11-17 17:31:44

More Loading Practice

Time of First Successful Submission: 2025-11-17 17:35:27

Dereferencing Pointers

Time of First Successful Submission: 2025-11-17 17:41:40

Dereferencing Yourself

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Dereferencing with Offsets

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Stored Addresses

Time of First Successful Submission: 2025-11-17 20:02:17

Double Dereference

Time of First Successful Submission: 2025-11-17 20:10:11

Tracing Syscalls

Time of First Successful Submission: 2025-11-17 17:17:34

Starting GDB

Time of First Successful Submission: 2025-11-17 17:21:13

Starting Programs in GDB

Time of First Successful Submission: 2025-11-17 17:25:54

Writing Output

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

Chaining Syscalls

Time of First Successful Submission: 2025-11-17 20:20:33

Writing Strings

Time of First Successful Submission: 2025-11-17 20:25:06

Reading Data

Time of First Successful Submission: 2025-11-17 20:27:50

set-register

Time of First Successful Submission: 2025-11-17 20:32:48

set-multiple-registers

Time of First Successful Submission: 2025-11-17 20:36:33

add-to-register

Time of First Successful Submission: 2025-11-17 20:37:41

linear-equation-registers

Time of First Successful Submission: 2025-11-17 20:41:32

integer-division

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modulo-operation

Time of First Successful Submission: 2025-11-17 20:46:08

set-upper-byte

Time of First Successful Submission: 2025-11-17 20:49:53

efficient-modulo

Time of First Successful Submission: 2025-11-17 20:55:06

byte-extraction

Time of First Successful Submission: 2025-11-17 20:57:57

bitwise-and

Time of First Successful Submission: 2025-11-17 21:00:06

check-even

Time of First Successful Submission: 2025-11-17 21:02:55

memory-read

Time of First Successful Submission: 2025-11-17 21:06:27

memory-write

Time of First Successful Submission: 2025-11-17 21:08:09

memory-increment

Time of First Successful Submission: 2025-11-17 21:11:03

byte-access

Time of First Successful Submission: 2025-11-17 21:15:00

memory-size-access

Time of First Successful Submission: 2025-11-17 21:16:57

little-endian-write

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memory-sum

Time of First Successful Submission: 2025-11-17 21:23:41

stack-subtraction

Time of First Successful Submission: 2025-11-17 21:26:18

swap-stack-values

Time of First Successful Submission: 2025-11-17 21:29:07

average-stack-values

Time of First Successful Submission: 2025-11-17 21:31:45

absolute-jump

Time of First Successful Submission: 2025-11-17 21:35:29

relative-jump

Time of First Successful Submission: 2025-11-17 21:39:20

jump-trampoline

Time of First Successful Submission: 2025-11-17 21:42:18

conditional-jump

Time of First Successful Submission: 2025-11-17 21:45:27

indirect-jump

Time of First Successful Submission: 2025-11-17 21:47:27

average-loop

Time of First Successful Submission: 2025-11-17 21:51:32

count-non-zero

Time of First Successful Submission: 2025-11-17 21:53:37

string-lower

Time of First Successful Submission: 2025-11-17 21:59:23

most-common-byte

Time of First Successful Submission: 2025-11-17 22:05:29

Exit

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Socket

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Bind

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Listen

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Accept

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Static Response

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Dynamic Response

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Iterative GET Server

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Concurrent GET Server

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Concurrent POST Server

Time of First Successful Submission: 2025-11-18 05:36:10

Web Server

Time of First Successful Submission: 2025-11-18 05:41:11

Debugging Programs

Time of First Successful Submission: 2025-11-17 22:12:20

Inspecting Registers

Time of First Successful Submission: 2025-11-17 22:18:46

Examining Memory

Time of First Successful Submission: 2025-11-17 22:32:55

Setting Breakpoints

Time of First Successful Submission: 2025-11-18 03:30:39

GDB Scripting

Time of First Successful Submission: 2025-11-18 04:10:58

Modifying Data

Time of First Successful Submission: 2025-11-18 04:34:34

Modifying Execution

Time of First Successful Submission: 2025-11-18 04:40:09

Broken Functions

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Playing With Programs

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What's the password?

Time of First Successful Submission: 2025-11-18 23:44:28

... and again!

Time of First Successful Submission: 2025-11-18 23:45:48

Newline Troubles

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Reasoning about files

Time of First Successful Submission: 2025-11-18 23:51:17

Specifying Filenames

Time of First Successful Submission: 2025-11-18 23:52:58

Binary and Hex Encoding

Time of First Successful Submission: 2025-11-18 23:54:55

More Hex

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Decoding Hex

Time of First Successful Submission: 2025-11-18 23:58:04

Decoding Practice

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Encoding Practice

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Hex-encoding ASCII

Time of First Successful Submission: 2025-11-19 00:03:29

Nested Encoding

Time of First Successful Submission: 2025-11-19 00:05:14

Hex-encoding UTF-8

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UTF Mixups

Time of First Successful Submission: 2025-11-19 00:10:16

Modifying Encoded Data

Time of First Successful Submission: 2025-11-19 00:14:43

Decoding Base64

Time of First Successful Submission: 2025-11-19 00:17:56

Encoding Base64

Time of First Successful Submission: 2025-11-19 00:30:23

Dealing with Obfuscation

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Dealing with Obfuscation 2

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Your First HTTP Request

Time of First Successful Submission: 2025-11-19 00:26:12

Reading Flask

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Commented Data

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HTTP Metadata

Time of First Successful Submission: 2025-11-19 00:48:03

HTTP (netcat)

Time of First Successful Submission: 2025-11-19 00:53:01

HTTP Paths (netcat)

Time of First Successful Submission: 2025-11-19 00:56:30

HTTP (curl)

Time of First Successful Submission: 2025-11-19 01:02:54

HTTP (python)

Time of First Successful Submission: 2025-11-19 01:06:34

HTTP Host Header (python)

Time of First Successful Submission: 2025-11-19 01:15:46

HTTP Host Header (curl)

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

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-11-19 01:23:50

URL Encoding (netcat)

Time of First Successful Submission: 2025-11-19 01:27:40

HTTP GET Parameters

Time of First Successful Submission: 2025-11-19 01:31:05

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-11-19 01:33:54

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-11-19 01:36:45

HTTP Forms

Time of First Successful Submission: 2025-11-19 01:45:23

HTTP Forms (curl)

Time of First Successful Submission: 2025-11-19 01:52:25

HTTP Forms (netcat)

Time of First Successful Submission: 2025-11-19 09:20:17

HTTP Forms (python)

Time of First Successful Submission: 2025-11-19 04:50:38

HTTP Forms Without Forms

Time of First Successful Submission: 2025-11-19 05:00:40

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-11-19 05:07:17

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-11-19 09:27:29

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-11-19 05:25:24

HTTP Redirects (curl)

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HTTP Redirects (python)

Time of First Successful Submission: 2025-11-19 05:33:59

HTTP Cookies (curl)

Time of First Successful Submission: 2025-11-19 05:39:26

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-11-19 05:44:58

HTTP Cookies (python)

Time of First Successful Submission: 2025-11-19 05:50:50

Server State (python)

Time of First Successful Submission: 2025-11-19 05:53:27

Listening Web

Time of First Successful Submission: 2025-11-19 06:01:37

Speaking Redirects

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JavaScript Redirects

Time of First Successful Submission: 2025-11-19 06:16:28

Including JavaScript

Time of First Successful Submission: 2025-11-19 06:46:11

HTTP (javascript)

Time of First Successful Submission: 2025-11-19 06:53:45

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-11-19 07:00:10

HTTP Forms (javascript)

Time of First Successful Submission: 2025-11-19 07:11:25

SQL Queries

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Filtering SQL

Time of First Successful Submission: 2025-11-19 07:20:26

Choosing Columns

Time of First Successful Submission: 2025-11-19 07:24:12

Exclusionary Filtering

Time of First Successful Submission: 2025-11-19 07:30:15

Filtering Strings

Time of First Successful Submission: 2025-11-19 07:31:48

Filtering on Expressions

Time of First Successful Submission: 2025-11-19 07:38:17

SELECTing Expressions

Time of First Successful Submission: 2025-11-19 07:40:42

Composite Conditions

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Reaching Your LIMITs

Time of First Successful Submission: 2025-11-19 07:46:20

Querying Metadata

Time of First Successful Submission: 2025-11-19 07:49:25

GCA CTF

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Using the Terminal

Time of First Successful Submission: 2025-08-30 01:07:53

Using the VSCode Workspace

Time of First Successful Submission: 2025-08-30 01:10:11

Using the GUI Desktop

Time of First Successful Submission: 2025-08-30 01:15:24

Pasting into the Desktop

Time of First Successful Submission: 2025-08-30 01:18:09

Restarting Challenges

Time of First Successful Submission: 2025-08-30 01:21:36