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1 / 202 21195 / 22788

Triple Dereference

Time of First Successful Submission: 2025-10-24 23:47:49

Intro to Programming Languages

15 / 234 5618 / 31849

Commands

Time of First Successful Submission: 2025-10-24 03:08:11

Command Arguments

Time of First Successful Submission: 2025-10-24 03:08:57

Command History

Time of First Successful Submission: 2025-10-24 03:09:27

The Root Path

Time of First Successful Submission: 2025-10-24 03:11:26

Absolute Paths

Time of First Successful Submission: 2025-10-24 03:11:58

Changing position

Time of First Successful Submission: 2025-10-24 03:12:40

Changing to an Absolute Path

Time of First Successful Submission: 2025-10-24 03:13:10

Relative Paths

Time of First Successful Submission: 2025-10-24 03:14:37

Cat

Time of First Successful Submission: 2025-10-24 03:21:13

Ls

Time of First Successful Submission: 2025-10-24 03:24:45

Ls All

Time of First Successful Submission: 2025-10-24 03:27:13

Find

Time of First Successful Submission: 2025-10-24 03:34:03

Piping Echo

Time of First Successful Submission: 2025-10-24 04:02:47

Piping Stdout

Time of First Successful Submission: 2025-10-24 04:03:11

Piping Stdin

Time of First Successful Submission: 2025-10-24 04:05:37

Intro to Cybersecurity

122 / 183 1358 / 19977

Path Traversal 1

Time of First Successful Submission: 2025-10-31 04:37:10

Path Traversal 2

Time of First Successful Submission: 2025-10-31 06:15:40

CMDi 1

Time of First Successful Submission: 2025-10-31 16:43:40

CMDi 2

Time of First Successful Submission: 2025-10-31 16:57:20

CMDi 3

Time of First Successful Submission: 2025-10-31 17:06:43

CMDi 4

Time of First Successful Submission: 2025-10-31 17:09:28

CMDi 5

Time of First Successful Submission: 2025-10-31 17:11:27

CMDi 6

Time of First Successful Submission: 2025-10-31 20:09:51

Authentication Bypass 1

Time of First Successful Submission: 2025-10-31 17:45:44

Authentication Bypass 2

Time of First Successful Submission: 2025-10-31 17:46:46

SQLi 1

Time of First Successful Submission: 2025-10-31 18:00:21

SQLi 2

Time of First Successful Submission: 2025-10-31 18:18:52

SQLi 3

Time of First Successful Submission: 2025-10-31 18:40:55

SQLi 4

Time of First Successful Submission: 2025-10-31 18:43:30

SQLi 5

Time of First Successful Submission: 2025-10-31 19:37:58

XSS 1

Time of First Successful Submission: 2025-10-31 20:33:13

XSS 2

Time of First Successful Submission: 2025-10-31 20:42:20

XSS 3

Time of First Successful Submission: 2025-10-31 21:07:21

XSS 4

Time of First Successful Submission: 2025-10-31 21:11:02

XSS 5

Time of First Successful Submission: 2025-10-31 21:58:44

XSS 6

Time of First Successful Submission: 2025-10-31 22:02:47

XSS 7

Time of First Successful Submission: 2025-10-31 22:32:05

CSRF 1

Time of First Successful Submission: 2025-10-31 22:51:12

CSRF 2

Time of First Successful Submission: 2025-10-31 23:17:53

CSRF 3

Time of First Successful Submission: 2025-11-01 02:26:20

CSRF 4

Time of First Successful Submission: 2025-11-05 00:00:09

CSRF 5

Time of First Successful Submission: 2025-11-05 02:25:03

Connect

Time of First Successful Submission: 2025-11-04 02:49:42

Send

Time of First Successful Submission: 2025-11-04 02:50:28

Shutdown

Time of First Successful Submission: 2025-11-04 03:24:00

Listen

Time of First Successful Submission: 2025-11-04 03:26:36

Scan 1

Time of First Successful Submission: 2025-11-04 03:34:27

Scan 2

Time of First Successful Submission: 2025-11-04 03:58:25

Monitor 1

Time of First Successful Submission: 2025-11-04 04:02:35

Monitor 2

Time of First Successful Submission: 2025-11-04 04:12:47

Sniffing Cookies

Time of First Successful Submission: 2025-11-04 04:26:57

Network Configuration

Time of First Successful Submission: 2025-11-04 05:21:37

Firewall 1

Time of First Successful Submission: 2025-11-04 06:36:26

Firewall 2

Time of First Successful Submission: 2025-11-04 06:41:30

Firewall 3

Time of First Successful Submission: 2025-11-04 06:44:55

Denial of Service 1

Time of First Successful Submission: 2025-11-04 19:55:42

Denial of Service 2

Time of First Successful Submission: 2025-11-04 22:15:03

Denial of Service 3

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

Ethernet

Time of First Successful Submission: 2025-11-05 18:45:36

IP

Time of First Successful Submission: 2025-11-05 18:46:34

TCP

Time of First Successful Submission: 2025-11-05 19:05:41

TCP Handshake

Time of First Successful Submission: 2025-11-05 19:55:37

UDP

Time of First Successful Submission: 2025-11-05 21:17:24

UDP 2

Time of First Successful Submission: 2025-11-05 21:20:04

UDP Spoofing 1

Time of First Successful Submission: 2025-11-05 21:22:15

UDP Spoofing 2

Time of First Successful Submission: 2025-11-05 21:33:55

UDP Spoofing 3

Time of First Successful Submission: 2025-11-06 18:45:58

UDP Spoofing 4

Time of First Successful Submission: 2025-11-06 18:51:42

ARP

Time of First Successful Submission: 2025-11-06 00:35:32

Intercept

Time of First Successful Submission: 2025-11-06 23:12:09

Man-in-the-Middle

Time of First Successful Submission: 2025-11-12 01:54:25

XOR

Time of First Successful Submission: 2025-11-03 22:19:40

XORing Hex

Time of First Successful Submission: 2025-11-03 22:56:25

XORing ASCII

Time of First Successful Submission: 2025-11-03 23:17:14

XORing ASCII Strings

Time of First Successful Submission: 2025-11-03 23:22:09

One-time Pad

Time of First Successful Submission: 2025-11-03 23:53:10

One-time Pad Tampering

Time of First Successful Submission: 2025-11-04 00:23:27

Many-time Pad

Time of First Successful Submission: 2025-11-07 01:33:42

AES

Time of First Successful Submission: 2025-11-07 04:43:26

AES-ECB-CPA

Time of First Successful Submission: 2025-11-07 05:59:43

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-11-07 07:03:12

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-11-07 07:18:27

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-11-07 17:35:16

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-11-07 22:20:30

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-11-07 22:39:09

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-11-10 17:13:22

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-11-14 18:48:14

AES-CBC

Time of First Successful Submission: 2025-11-10 19:50:21

AES-CBC Tampering

Time of First Successful Submission: 2025-11-12 07:28:09

AES-CBC Resizing

Time of First Successful Submission: 2025-11-12 17:46:29

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-11-12 22:50:11

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-11-13 00:22:18

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-11-13 00:29:12

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-11-14 07:15:55

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-11-14 07:36:37

DHKE

Time of First Successful Submission: 2025-11-11 20:18:45

DHKE-to-AES

Time of First Successful Submission: 2025-11-11 20:37:46

RSA 1

Time of First Successful Submission: 2025-11-11 21:43:35

RSA 2

Time of First Successful Submission: 2025-11-11 22:01:19

RSA 3

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

RSA 4

Time of First Successful Submission: 2025-11-11 22:40:34

RSA Signatures

Time of First Successful Submission: 2025-11-13 21:11:33

SHA 1

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

SHA 2

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

TLS 1

Time of First Successful Submission: 2025-11-14 00:08:41

TLS 2

Time of First Successful Submission: 2025-11-14 00:48:20

level1

Time of First Successful Submission: 2025-11-03 17:54:29

level2

Time of First Successful Submission: 2025-11-03 17:55:42

level3

Time of First Successful Submission: 2025-11-03 17:56:42

level4

Time of First Successful Submission: 2025-11-03 17:57:41

level5

Time of First Successful Submission: 2025-11-03 18:04:17

level6

Time of First Successful Submission: 2025-11-03 18:59:52

level7

Time of First Successful Submission: 2025-11-03 18:35:44

level8

Time of First Successful Submission: 2025-11-03 18:36:25

level9

Time of First Successful Submission: 2025-11-03 18:38:40

level10

Time of First Successful Submission: 2025-11-03 18:43:08

level11

Time of First Successful Submission: 2025-11-03 18:45:13

level12

Time of First Successful Submission: 2025-11-03 18:47:22

level13

Time of First Successful Submission: 2025-11-03 19:10:13

level14

Time of First Successful Submission: 2025-11-03 19:10:49

level15

Time of First Successful Submission: 2025-11-03 19:11:51

level16

Time of First Successful Submission: 2025-11-03 19:12:44

level17

Time of First Successful Submission: 2025-11-03 20:39:53

level18

Time of First Successful Submission: 2025-11-03 20:42:48

level19

Time of First Successful Submission: 2025-11-03 22:17:17

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-11-06 04:10:19

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-11-14 19:40:34

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-11-14 20:17:13

Reading Endianness (x86)

Time of First Successful Submission: 2025-11-14 20:40:18

Version Information (x86)

Time of First Successful Submission: 2025-11-14 21:15:22

Metadata and Data (x86)

Time of First Successful Submission: 2025-11-14 23:21:59

Input Restrictions (x86)

Time of First Successful Submission: 2025-11-14 23:43:12

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-11-15 00:06:02

A Basic cIMG (x86)

Time of First Successful Submission: 2025-11-15 00:34:42

Internal State Mini (C)

Time of First Successful Submission: 2025-11-18 00:11:32

Internal State (x86)

Time of First Successful Submission: 2025-11-18 18:46:24

File Formats: Directives (x86)

Time of First Successful Submission: 2025-11-18 23:01:58

Start Here

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Using the Terminal

Time of First Successful Submission: 2025-10-24 02:34:04

Using the GUI Desktop

Time of First Successful Submission: 2025-10-24 02:35:38

Pasting into the Desktop

Time of First Successful Submission: 2025-10-24 02:37:22

Restarting Challenges

Time of First Successful Submission: 2025-10-24 02:43:02

Challenge Programs

Time of First Successful Submission: 2025-10-24 02:48:09

The Flag File

Time of First Successful Submission: 2025-10-24 02:50:04

Using Privileged Mode

Time of First Successful Submission: 2025-10-24 02:52:16

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-24 02:54:06

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-24 02:54:36

Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-10-24 03:08:11

Intro to Arguments

Time of First Successful Submission: 2025-10-24 03:08:57

Command History

Time of First Successful Submission: 2025-10-24 03:09:27

The Root

Time of First Successful Submission: 2025-10-24 03:11:26

Program and absolute paths

Time of First Successful Submission: 2025-10-24 03:11:58

Position thy self

Time of First Successful Submission: 2025-10-24 03:12:40

Position elsewhere

Time of First Successful Submission: 2025-10-24 03:13:10

implicit relative paths, from /

Time of First Successful Submission: 2025-10-24 03:14:37

explicit relative paths, from /

Time of First Successful Submission: 2025-10-24 03:15:15

implicit relative path

Time of First Successful Submission: 2025-10-24 03:16:20

home sweet home

Time of First Successful Submission: 2025-10-24 03:19:55

cat: not the pet, but the command!

Time of First Successful Submission: 2025-10-24 03:21:13

catting absolute paths

Time of First Successful Submission: 2025-10-24 03:21:35

more catting practice

Time of First Successful Submission: 2025-10-24 03:22:10

grepping for a needle in a haystack

Time of First Successful Submission: 2025-10-24 03:22:42

comparing files

Time of First Successful Submission: 2025-10-24 03:23:55

listing files

Time of First Successful Submission: 2025-10-24 03:24:45

touching files

Time of First Successful Submission: 2025-10-24 03:25:15

removing files

Time of First Successful Submission: 2025-10-24 03:25:38

moving files

Time of First Successful Submission: 2025-10-24 03:26:02

copying files

Time of First Successful Submission: 2025-11-06 17:45:44

hidden files

Time of First Successful Submission: 2025-10-24 03:27:13

An Epic Filesystem Quest

Time of First Successful Submission: 2025-10-24 03:30:14

making directories

Time of First Successful Submission: 2025-10-24 03:30:42

finding files

Time of First Successful Submission: 2025-10-24 03:34:03

linking files

Time of First Successful Submission: 2025-10-24 03:36:18

Learning From Documentation

Time of First Successful Submission: 2025-10-24 03:37:13

Learning Complex Usage

Time of First Successful Submission: 2025-10-24 03:37:57

Reading Manuals

Time of First Successful Submission: 2025-10-24 03:38:59

Searching Manuals

Time of First Successful Submission: 2025-10-24 03:39:32

Searching For Manuals

Time of First Successful Submission: 2025-10-24 03:47:59

Helpful Programs

Time of First Successful Submission: 2025-10-24 03:48:44

Help for Builtins

Time of First Successful Submission: 2025-10-24 03:49:43

Matching with *

Time of First Successful Submission: 2025-10-24 03:51:47

Matching with ?

Time of First Successful Submission: 2025-10-24 03:52:41

Matching with []

Time of First Successful Submission: 2025-10-24 03:53:25

Matching paths with []

Time of First Successful Submission: 2025-10-24 03:55:09

Multiple globs

Time of First Successful Submission: 2025-10-24 03:55:46

Mixing globs

Time of First Successful Submission: 2025-10-24 03:58:10

Exclusionary globbing

Time of First Successful Submission: 2025-10-24 03:59:23

Tab completion

Time of First Successful Submission: 2025-10-24 04:00:15

Multiple options for tab completion

Time of First Successful Submission: 2025-10-24 04:00:56

Tab completion on commands

Time of First Successful Submission: 2025-10-24 04:01:35

Redirecting output

Time of First Successful Submission: 2025-10-24 04:02:47

Redirecting more output

Time of First Successful Submission: 2025-10-24 04:03:11

Appending output

Time of First Successful Submission: 2025-10-24 04:03:54

Redirecting errors

Time of First Successful Submission: 2025-10-24 04:04:59

Redirecting input

Time of First Successful Submission: 2025-10-24 04:05:37

Grepping stored results

Time of First Successful Submission: 2025-10-24 04:06:09

Grepping live output

Time of First Successful Submission: 2025-10-24 04:06:33

Grepping errors

Time of First Successful Submission: 2025-10-24 04:08:53

Filtering with grep -v

Time of First Successful Submission: 2025-10-24 04:09:23

Filtering with sed

Time of First Successful Submission: 2025-11-06 17:45:00

Duplicating piped data with tee

Time of First Successful Submission: 2025-10-24 04:12:11

Process substitution for input

Time of First Successful Submission: 2025-10-24 04:14:11

Writing to multiple programs

Time of First Successful Submission: 2025-10-24 04:20:46

Split-piping stderr and stdout

Time of First Successful Submission: 2025-10-24 04:26:05

Named pipes

Time of First Successful Submission: 2025-10-24 04:38:16

Printing Variables

Time of First Successful Submission: 2025-10-24 04:39:12

Setting Variables

Time of First Successful Submission: 2025-10-24 04:39:59

Multi-word Variables

Time of First Successful Submission: 2025-10-24 04:40:23

Exporting Variables

Time of First Successful Submission: 2025-10-24 04:41:24

Printing Exported Variables

Time of First Successful Submission: 2025-10-24 04:41:41

Storing Command Output

Time of First Successful Submission: 2025-10-24 04:42:22

Reading Input

Time of First Successful Submission: 2025-10-24 04:44:01

Reading Files

Time of First Successful Submission: 2025-10-24 04:45:08

Translating characters

Time of First Successful Submission: 2025-10-24 04:55:37

Deleting characters

Time of First Successful Submission: 2025-10-24 04:56:17

Deleting newlines

Time of First Successful Submission: 2025-10-24 04:56:54

Extracting the first lines with head

Time of First Successful Submission: 2025-10-24 04:57:20

Extracting specific sections of text

Time of First Successful Submission: 2025-10-24 05:01:18

Sorting data

Time of First Successful Submission: 2025-10-24 05:02:21

Listing Processes

Time of First Successful Submission: 2025-10-24 05:09:17

Killing Processes

Time of First Successful Submission: 2025-10-24 05:10:25

Interrupting Processes

Time of First Successful Submission: 2025-10-24 05:10:51

Killing Misbehaving Processes

Time of First Successful Submission: 2025-10-24 05:13:40

Suspending Processes

Time of First Successful Submission: 2025-10-24 05:14:17

Resuming Processes

Time of First Successful Submission: 2025-10-24 05:14:40

Backgrounding Processes

Time of First Successful Submission: 2025-10-24 05:20:11

Foregrounding Processes

Time of First Successful Submission: 2025-10-24 05:20:53

Starting Backgrounded Processes

Time of First Successful Submission: 2025-10-24 05:21:13

Process Exit Codes

Time of First Successful Submission: 2025-10-24 05:21:49

Becoming root with su

Time of First Successful Submission: 2025-10-24 17:44:19

Other users with su

Time of First Successful Submission: 2025-10-24 17:45:42

Cracking passwords

Time of First Successful Submission: 2025-10-24 17:57:09

Using sudo

Time of First Successful Submission: 2025-10-24 18:00:59

Changing File Ownership

Time of First Successful Submission: 2025-10-24 18:08:09

Groups and Files

Time of First Successful Submission: 2025-10-24 18:10:25

Fun With Groups Names

Time of First Successful Submission: 2025-10-24 18:12:44

Changing Permissions

Time of First Successful Submission: 2025-10-24 18:19:01

Executable Files

Time of First Successful Submission: 2025-10-24 18:20:00

Permission Tweaking Practice

Time of First Successful Submission: 2025-10-24 18:21:45

Permissions Setting Practice

Time of First Successful Submission: 2025-10-24 18:24:43

The SUID Bit

Time of First Successful Submission: 2025-10-24 18:27:43

Chaining with Semicolons

Time of First Successful Submission: 2025-10-24 18:33:45

Building on Success

Time of First Successful Submission: 2025-10-24 18:34:21

Handling Failure

Time of First Successful Submission: 2025-10-24 18:34:45

Your First Shell Script

Time of First Successful Submission: 2025-10-24 18:36:15

Redirecting Script Output

Time of First Successful Submission: 2025-10-24 18:37:21

Executable Shell Scripts

Time of First Successful Submission: 2025-10-24 18:38:04

Understanding Shebangs

Time of First Successful Submission: 2025-10-24 18:39:51

Scripting with Arguments

Time of First Successful Submission: 2025-10-24 18:41:13

Scripting with Conditionals

Time of First Successful Submission: 2025-10-24 18:42:37

Scripting with Default Cases

Time of First Successful Submission: 2025-10-24 18:44:18

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-10-24 18:45:25

Reading Shell Scripts

Time of First Successful Submission: 2025-10-24 18:46:16

Launching Screen

Time of First Successful Submission: 2025-10-24 18:47:11

Detaching and Attaching

Time of First Successful Submission: 2025-10-24 18:48:05

Finding Sessions

Time of First Successful Submission: 2025-10-24 18:49:46

Switching Windows

Time of First Successful Submission: 2025-10-24 18:50:35

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-10-24 18:51:14

Switching Windows (tmux)

Time of First Successful Submission: 2025-10-24 18:52:02

The PATH Variable

Time of First Successful Submission: 2025-10-24 18:53:55

Setting PATH

Time of First Successful Submission: 2025-10-24 18:55:03

Finding Commands

Time of First Successful Submission: 2025-10-24 18:56:37

Adding Commands

Time of First Successful Submission: 2025-10-24 19:00:35

Hijacking Commands

Time of First Successful Submission: 2025-10-24 19:07:17

Bashrc Backdoor

Time of First Successful Submission: 2025-10-24 20:52:27

Sniffing Input

Time of First Successful Submission: 2025-10-24 21:07:45

Overshared Directories

Time of First Successful Submission: 2025-10-24 21:19:35

Tricky Linking

Time of First Successful Submission: 2025-10-25 00:19:58

Sniffing Process Arguments

Time of First Successful Submission: 2025-10-24 22:03:21

Snooping on Configurations

Time of First Successful Submission: 2025-10-24 22:02:08

The Fork Bomb

Time of First Successful Submission: 2025-10-24 22:27:42

Disk-Space Doomsday

Time of First Successful Submission: 2025-10-24 22:16:15

rm -rf /

Time of First Successful Submission: 2025-10-24 22:07:18

Life after rm -rf /

Time of First Successful Submission: 2025-10-24 22:12:44

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-10-24 22:14:40

Computing 101

68 / 94 1978 / 21464

Your First Register

Time of First Successful Submission: 2025-10-24 23:13:25

Your First Syscall

Time of First Successful Submission: 2025-10-24 23:15:47

Exit Codes

Time of First Successful Submission: 2025-10-24 23:18:08

Building Executables

Time of First Successful Submission: 2025-10-24 23:21:31

Moving Between Registers

Time of First Successful Submission: 2025-10-24 23:23:39

Loading From Memory

Time of First Successful Submission: 2025-10-24 23:37:05

More Loading Practice

Time of First Successful Submission: 2025-10-24 23:37:34

Dereferencing Pointers

Time of First Successful Submission: 2025-10-24 23:39:12

Dereferencing Yourself

Time of First Successful Submission: 2025-10-24 23:41:03

Dereferencing with Offsets

Time of First Successful Submission: 2025-10-24 23:42:21

Stored Addresses

Time of First Successful Submission: 2025-10-24 23:44:13

Double Dereference

Time of First Successful Submission: 2025-10-24 23:46:49

Tracing Syscalls

Time of First Successful Submission: 2025-10-24 23:27:44

Starting GDB

Time of First Successful Submission: 2025-10-24 23:28:22

Starting Programs in GDB

Time of First Successful Submission: 2025-10-24 23:28:54

Writing Output

Time of First Successful Submission: 2025-10-25 02:26:06

Chaining Syscalls

Time of First Successful Submission: 2025-10-25 02:28:42

Writing Strings

Time of First Successful Submission: 2025-10-25 02:29:18

Reading Data

Time of First Successful Submission: 2025-10-25 02:33:51

set-register

Time of First Successful Submission: 2025-10-25 02:39:18

set-multiple-registers

Time of First Successful Submission: 2025-10-25 02:42:27

add-to-register

Time of First Successful Submission: 2025-10-25 02:43:23

linear-equation-registers

Time of First Successful Submission: 2025-10-25 02:48:55

integer-division

Time of First Successful Submission: 2025-10-25 02:55:12

modulo-operation

Time of First Successful Submission: 2025-10-25 02:58:07

set-upper-byte

Time of First Successful Submission: 2025-10-25 03:04:58

efficient-modulo

Time of First Successful Submission: 2025-10-25 03:19:21

byte-extraction

Time of First Successful Submission: 2025-10-25 03:25:26

bitwise-and

Time of First Successful Submission: 2025-10-25 03:28:36

check-even

Time of First Successful Submission: 2025-10-25 05:25:29

memory-read

Time of First Successful Submission: 2025-10-25 03:49:28

memory-write

Time of First Successful Submission: 2025-10-25 04:03:17

memory-increment

Time of First Successful Submission: 2025-10-25 04:13:49

byte-access

Time of First Successful Submission: 2025-10-25 04:15:16

memory-size-access

Time of First Successful Submission: 2025-10-25 04:16:12

little-endian-write

Time of First Successful Submission: 2025-10-25 04:19:47

memory-sum

Time of First Successful Submission: 2025-10-25 04:34:24

stack-subtraction

Time of First Successful Submission: 2025-10-25 15:15:03

swap-stack-values

Time of First Successful Submission: 2025-10-25 15:15:58

average-stack-values

Time of First Successful Submission: 2025-10-25 15:23:08

absolute-jump

Time of First Successful Submission: 2025-10-25 15:29:22

relative-jump

Time of First Successful Submission: 2025-10-25 15:48:02

jump-trampoline

Time of First Successful Submission: 2025-10-25 15:55:48

conditional-jump

Time of First Successful Submission: 2025-10-25 17:04:31

indirect-jump

Time of First Successful Submission: 2025-10-26 02:50:41

average-loop

Time of First Successful Submission: 2025-10-26 03:06:02

count-non-zero

Time of First Successful Submission: 2025-10-26 03:42:57

string-lower

Time of First Successful Submission: 2025-10-27 19:55:16

most-common-byte

Time of First Successful Submission: 2025-10-27 23:18:12

Exit

Time of First Successful Submission: 2025-10-28 21:21:48

Socket

Time of First Successful Submission: 2025-10-28 21:41:29

Bind

Time of First Successful Submission: 2025-10-28 22:26:14

Listen

Time of First Successful Submission: 2025-10-28 22:34:39

Accept

Time of First Successful Submission: 2025-10-28 22:40:48

Static Response

Time of First Successful Submission: 2025-10-28 23:14:32

Dynamic Response

Time of First Successful Submission: 2025-10-29 02:57:46

Iterative GET Server

Time of First Successful Submission: 2025-10-29 02:59:57

Concurrent GET Server

Time of First Successful Submission: 2025-10-29 16:25:12

Concurrent POST Server

Time of First Successful Submission: 2025-10-29 17:51:46

Web Server

Time of First Successful Submission: 2025-10-29 19:05:25

Debugging Programs

Time of First Successful Submission: 2025-10-27 15:37:20

Inspecting Registers

Time of First Successful Submission: 2025-10-27 15:40:55

Examining Memory

Time of First Successful Submission: 2025-10-27 16:12:23

Setting Breakpoints

Time of First Successful Submission: 2025-10-28 17:16:21

GDB Scripting

Time of First Successful Submission: 2025-10-28 17:43:10

Modifying Data

Time of First Successful Submission: 2025-10-28 19:49:54

Modifying Execution

Time of First Successful Submission: 2025-10-28 19:53:22

Broken Functions

Time of First Successful Submission: 2025-10-28 20:53:14

Playing With Programs

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What's the password?

Time of First Successful Submission: 2025-10-29 19:07:20

... and again!

Time of First Successful Submission: 2025-10-29 19:08:41

Newline Troubles

Time of First Successful Submission: 2025-10-29 19:11:55

Reasoning about files

Time of First Successful Submission: 2025-10-29 19:24:15

Specifying Filenames

Time of First Successful Submission: 2025-10-29 19:25:37

Binary and Hex Encoding

Time of First Successful Submission: 2025-10-29 19:38:11

More Hex

Time of First Successful Submission: 2025-10-29 19:39:35

Decoding Hex

Time of First Successful Submission: 2025-10-29 19:41:32

Decoding Practice

Time of First Successful Submission: 2025-10-29 21:07:06

Encoding Practice

Time of First Successful Submission: 2025-10-29 21:20:14

Hex-encoding ASCII

Time of First Successful Submission: 2025-10-29 21:36:47

Nested Encoding

Time of First Successful Submission: 2025-10-29 22:04:38

Hex-encoding UTF-8

Time of First Successful Submission: 2025-10-29 22:10:12

UTF Mixups

Time of First Successful Submission: 2025-10-29 22:21:23

Modifying Encoded Data

Time of First Successful Submission: 2025-10-29 22:23:44

Decoding Base64

Time of First Successful Submission: 2025-10-29 22:29:23

Encoding Base64

Time of First Successful Submission: 2025-10-29 22:33:19

Dealing with Obfuscation

Time of First Successful Submission: 2025-10-29 22:42:56

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-10-29 22:48:03

Your First HTTP Request

Time of First Successful Submission: 2025-10-29 22:50:49

Reading Flask

Time of First Successful Submission: 2025-10-29 22:53:36

Commented Data

Time of First Successful Submission: 2025-10-29 22:55:10

HTTP Metadata

Time of First Successful Submission: 2025-10-29 22:56:09

HTTP (netcat)

Time of First Successful Submission: 2025-10-29 22:59:47

HTTP Paths (netcat)

Time of First Successful Submission: 2025-10-29 23:00:41

HTTP (curl)

Time of First Successful Submission: 2025-10-29 23:01:24

HTTP (python)

Time of First Successful Submission: 2025-10-29 23:02:30

HTTP Host Header (python)

Time of First Successful Submission: 2025-10-29 23:13:22

HTTP Host Header (curl)

Time of First Successful Submission: 2025-10-29 23:14:17

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-10-29 23:15:43

URL Encoding (netcat)

Time of First Successful Submission: 2025-10-29 23:21:15

HTTP GET Parameters

Time of First Successful Submission: 2025-10-29 23:25:26

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-10-29 23:28:34

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-10-29 23:29:43

HTTP Forms

Time of First Successful Submission: 2025-10-29 23:35:32

HTTP Forms (curl)

Time of First Successful Submission: 2025-10-29 23:37:29

HTTP Forms (netcat)

Time of First Successful Submission: 2025-10-29 23:51:37

HTTP Forms (python)

Time of First Successful Submission: 2025-10-29 23:54:31

HTTP Forms Without Forms

Time of First Successful Submission: 2025-10-29 23:55:35

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-10-29 23:57:45

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-10-30 00:03:38

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-10-30 00:05:20

HTTP Redirects (curl)

Time of First Successful Submission: 2025-10-30 00:06:02

HTTP Redirects (python)

Time of First Successful Submission: 2025-10-30 00:06:59

HTTP Cookies (curl)

Time of First Successful Submission: 2025-10-30 00:18:56

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-10-30 00:19:59

HTTP Cookies (python)

Time of First Successful Submission: 2025-10-30 00:22:16

Server State (python)

Time of First Successful Submission: 2025-10-30 00:23:33

Listening Web

Time of First Successful Submission: 2025-10-30 00:27:36

Speaking Redirects

Time of First Successful Submission: 2025-10-30 00:31:59

JavaScript Redirects

Time of First Successful Submission: 2025-10-30 01:37:51

Including JavaScript

Time of First Successful Submission: 2025-10-30 03:19:31

HTTP (javascript)

Time of First Successful Submission: 2025-10-30 03:24:37

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-10-30 03:27:20

HTTP Forms (javascript)

Time of First Successful Submission: 2025-10-30 03:33:55

cat

Time of First Successful Submission: 2025-10-30 03:34:56

more

Time of First Successful Submission: 2025-10-30 03:36:21

less

Time of First Successful Submission: 2025-10-30 03:36:53

tail

Time of First Successful Submission: 2025-10-30 03:37:12

head

Time of First Successful Submission: 2025-10-30 03:37:32

sort

Time of First Successful Submission: 2025-10-30 03:37:51

vim

Time of First Successful Submission: 2025-10-30 03:38:08

emacs

Time of First Successful Submission: 2025-10-30 03:38:28

nano

Time of First Successful Submission: 2025-10-30 03:39:15

rev

Time of First Successful Submission: 2025-10-30 03:39:49

od

Time of First Successful Submission: 2025-10-30 03:42:15

hd

Time of First Successful Submission: 2025-10-30 03:51:40

xxd

Time of First Successful Submission: 2025-10-30 03:52:31

base32

Time of First Successful Submission: 2025-10-30 04:08:56

base64

Time of First Successful Submission: 2025-10-30 04:09:29

split

Time of First Successful Submission: 2025-10-30 04:10:01

gzip

Time of First Successful Submission: 2025-10-30 04:13:37

bzip2

Time of First Successful Submission: 2025-10-30 04:14:18

zip

Time of First Successful Submission: 2025-10-30 04:15:24

tar

Time of First Successful Submission: 2025-10-30 04:18:06

ar

Time of First Successful Submission: 2025-10-30 15:38:51

cpio

Time of First Successful Submission: 2025-10-30 16:27:42

genisoimage

Time of First Successful Submission: 2025-10-30 16:54:55

env

Time of First Successful Submission: 2025-10-30 04:26:36

find

Time of First Successful Submission: 2025-10-30 04:28:27

make

Time of First Successful Submission: 2025-10-30 16:56:13

nice

Time of First Successful Submission: 2025-10-30 05:58:59

timeout

Time of First Successful Submission: 2025-10-30 06:00:15

stdbuf

Time of First Successful Submission: 2025-10-30 06:01:30

setarch

Time of First Successful Submission: 2025-10-30 06:02:36

watch

Time of First Successful Submission: 2025-10-30 06:10:56

socat

Time of First Successful Submission: 2025-10-30 06:12:41

whiptail

Time of First Successful Submission: 2025-10-30 17:04:01

awk

Time of First Successful Submission: 2025-10-30 17:05:46

sed

Time of First Successful Submission: 2025-10-30 17:06:58

ed

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

chown

Time of First Successful Submission: 2025-10-30 04:34:52

chmod

Time of First Successful Submission: 2025-10-30 04:34:13

cp

Time of First Successful Submission: 2025-10-30 04:33:41

mv

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

perl

Time of First Successful Submission: 2025-10-30 18:55:44

python

Time of First Successful Submission: 2025-10-30 19:01:04

ruby

Time of First Successful Submission: 2025-10-30 19:02:36

bash

Time of First Successful Submission: 2025-10-30 20:48:22

date

Time of First Successful Submission: 2025-10-30 06:23:13

dmesg

Time of First Successful Submission: 2025-10-30 06:23:51

wc

Time of First Successful Submission: 2025-10-30 04:21:27

gcc

Time of First Successful Submission: 2025-10-30 21:38:38

as

Time of First Successful Submission: 2025-10-30 06:24:26

wget

Time of First Successful Submission: 2025-10-30 21:45:26

ssh-keygen

Time of First Successful Submission: 2025-10-30 22:24:14

SQL Queries

Time of First Successful Submission: 2025-10-30 04:52:55

Filtering SQL

Time of First Successful Submission: 2025-10-30 04:54:36

Choosing Columns

Time of First Successful Submission: 2025-10-30 04:55:12

Exclusionary Filtering

Time of First Successful Submission: 2025-10-30 04:57:20

Filtering Strings

Time of First Successful Submission: 2025-10-30 04:58:24

Filtering on Expressions

Time of First Successful Submission: 2025-10-30 05:00:04

SELECTing Expressions

Time of First Successful Submission: 2025-10-30 05:39:27

Composite Conditions

Time of First Successful Submission: 2025-10-30 05:17:07

Reaching Your LIMITs

Time of First Successful Submission: 2025-10-30 05:18:47

Querying Metadata

Time of First Successful Submission: 2025-10-30 05:20:10

Arizona CTF 2025

1 / 23 719 / 749

Fiesty File

Time of First Successful Submission: 2025-12-18 19:58:33

GCA CTF

9 / 104 21642 / 43404

Using the Terminal

Time of First Successful Submission: 2025-10-24 02:34:04

Using the GUI Desktop

Time of First Successful Submission: 2025-10-24 02:35:38

Pasting into the Desktop

Time of First Successful Submission: 2025-10-24 02:37:22

Restarting Challenges

Time of First Successful Submission: 2025-10-24 02:43:02

Challenge Programs

Time of First Successful Submission: 2025-10-24 02:48:09

The Flag File

Time of First Successful Submission: 2025-10-24 02:50:04

Using Privileged Mode

Time of First Successful Submission: 2025-10-24 02:52:16

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-24 02:54:06

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-24 02:54:36

Linux Lunacy

1 / 13 294 / 304

Only Files

Time of First Successful Submission: 2025-12-18 19:58:33