calculator77

🐧 💻 🔤

pwn.college Archives

1 / 202 22079 / 22791


Triple Dereference

Time of First Successful Submission: 2025-12-31 10:35:19


Intro to Programming Languages

15 / 234 6995 / 31942


Commands

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

Command Arguments

Time of First Successful Submission: 2025-12-27 20:21:43

Command History

Time of First Successful Submission: 2025-12-27 20:22:10

The Root Path

Time of First Successful Submission: 2025-12-27 20:41:43

Absolute Paths

Time of First Successful Submission: 2025-12-27 20:42:15

Changing position

Time of First Successful Submission: 2025-12-27 20:43:51

Changing to an Absolute Path

Time of First Successful Submission: 2025-12-27 20:45:09

Relative Paths

Time of First Successful Submission: 2025-12-27 20:45:51

Cat

Time of First Successful Submission: 2025-12-27 20:51:19

Ls

Time of First Successful Submission: 2025-12-27 20:56:58

Ls All

Time of First Successful Submission: 2025-12-27 21:06:22

Find

Time of First Successful Submission: 2025-12-27 21:19:48

Piping Echo

Time of First Successful Submission: 2025-12-28 06:57:15

Piping Stdout

Time of First Successful Submission: 2025-12-28 06:58:13

Piping Stdin

Time of First Successful Submission: 2025-12-28 07:03:51


Intro to Cybersecurity

72 / 183 4084 / 20015


Path Traversal 1

Time of First Successful Submission: 2026-01-21 21:49:53

Path Traversal 2

Time of First Successful Submission: 2026-01-21 22:13:35

CMDi 1

Time of First Successful Submission: 2026-01-22 06:38:17

CMDi 2

Time of First Successful Submission: 2026-01-22 06:41:52

CMDi 3

Time of First Successful Submission: 2026-01-23 17:56:07

CMDi 4

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

CMDi 5

Time of First Successful Submission: 2026-01-23 19:47:27

CMDi 6

Time of First Successful Submission: 2026-01-23 20:12:42

Authentication Bypass 1

Time of First Successful Submission: 2026-01-23 20:59:59

Authentication Bypass 2

Time of First Successful Submission: 2026-01-23 21:05:42

SQLi 1

Time of First Successful Submission: 2026-01-23 21:12:34

SQLi 2

Time of First Successful Submission: 2026-01-23 21:16:36

SQLi 3

Time of First Successful Submission: 2026-01-23 21:24:08

SQLi 4

Time of First Successful Submission: 2026-01-23 21:31:13

SQLi 5

Time of First Successful Submission: 2026-01-23 23:01:48

XSS 1

Time of First Successful Submission: 2026-01-24 10:41:21

XSS 2

Time of First Successful Submission: 2026-01-24 10:46:19

XSS 3

Time of First Successful Submission: 2026-01-24 13:52:57

XSS 4

Time of First Successful Submission: 2026-01-24 14:02:00

XSS 5

Time of First Successful Submission: 2026-01-25 08:57:54

XSS 6

Time of First Successful Submission: 2026-01-25 09:13:20

XSS 7

Time of First Successful Submission: 2026-01-25 18:09:19

CSRF 1

Time of First Successful Submission: 2026-01-25 20:22:09

CSRF 2

Time of First Successful Submission: 2026-01-25 22:28:30

CSRF 3

Time of First Successful Submission: 2026-01-26 22:59:30

CSRF 4

Time of First Successful Submission: 2026-01-27 21:13:15

CSRF 5

Time of First Successful Submission: 2026-01-28 20:32:43

Connect

Time of First Successful Submission: 2026-01-28 22:22:46

Send

Time of First Successful Submission: 2026-01-28 22:24:42

Shutdown

Time of First Successful Submission: 2026-01-28 22:28:49

Listen

Time of First Successful Submission: 2026-01-28 22:33:09

Scan 1

Time of First Successful Submission: 2026-01-30 21:19:12

Scan 2

Time of First Successful Submission: 2026-01-30 22:05:32

Monitor 1

Time of First Successful Submission: 2026-01-30 22:41:41

Monitor 2

Time of First Successful Submission: 2026-01-30 23:07:25

Sniffing Cookies

Time of First Successful Submission: 2026-01-30 23:17:54

Network Configuration

Time of First Successful Submission: 2026-01-31 09:33:16

Firewall 1

Time of First Successful Submission: 2026-01-31 09:50:27

Firewall 2

Time of First Successful Submission: 2026-01-31 09:52:52

Firewall 3

Time of First Successful Submission: 2026-01-31 10:15:10

Denial of Service 1

Time of First Successful Submission: 2026-01-31 10:37:57

Denial of Service 2

Time of First Successful Submission: 2026-01-31 10:41:53

Denial of Service 3

Time of First Successful Submission: 2026-01-31 16:15:49

Ethernet

Time of First Successful Submission: 2026-01-31 16:31:54

IP

Time of First Successful Submission: 2026-01-31 16:34:45

TCP

Time of First Successful Submission: 2026-01-31 16:42:20

TCP Handshake

Time of First Successful Submission: 2026-01-31 17:01:11

UDP

Time of First Successful Submission: 2026-01-31 17:55:37

UDP 2

Time of First Successful Submission: 2026-01-31 18:03:25

UDP Spoofing 1

Time of First Successful Submission: 2026-01-31 19:57:15

UDP Spoofing 2

Time of First Successful Submission: 2026-02-08 16:21:45

UDP Spoofing 3

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

UDP Spoofing 4

Time of First Successful Submission: 2026-02-21 08:43:09

ARP

Time of First Successful Submission: 2026-02-21 08:52:05

Intercept

Time of First Successful Submission: 2026-02-21 09:13:16

Man-in-the-Middle

Time of First Successful Submission: 2026-02-21 09:30:56

level1

Time of First Successful Submission: 2026-02-21 09:40:22

level2

Time of First Successful Submission: 2026-02-21 09:41:04

level3

Time of First Successful Submission: 2026-02-21 09:41:32

level4

Time of First Successful Submission: 2026-02-21 09:41:56

level5

Time of First Successful Submission: 2026-02-21 09:49:31

level6

Time of First Successful Submission: 2026-02-21 09:51:03

level7

Time of First Successful Submission: 2026-02-21 09:52:39

level8

Time of First Successful Submission: 2026-02-21 09:54:51

level9

Time of First Successful Submission: 2026-02-21 09:57:26

level10

Time of First Successful Submission: 2026-02-21 10:01:43

level11

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

level12

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

level13

Time of First Successful Submission: 2026-02-21 10:13:53

level14

Time of First Successful Submission: 2026-02-21 10:17:55

level15

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

level16

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


Start Here

12 / 12 536 / 43267


Using the Terminal

Time of First Successful Submission: 2025-12-27 19:03:39

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-27 19:05:45

Using the GUI Desktop

Time of First Successful Submission: 2025-12-27 19:07:55

Pasting into the Desktop

Time of First Successful Submission: 2025-12-27 19:10:53

Restarting Challenges

Time of First Successful Submission: 2025-12-27 19:14:29

Challenge Programs

Time of First Successful Submission: 2025-12-27 19:19:37

The Flag File

Time of First Successful Submission: 2025-12-27 19:20:46

Using Privileged Mode

Time of First Successful Submission: 2025-12-27 19:24:49

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-27 19:26:46

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-27 19:27:33


Linux Luminarium

128 / 128 1073 / 32351


Intro to Commands

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

Intro to Arguments

Time of First Successful Submission: 2025-12-27 20:21:43

Command History

Time of First Successful Submission: 2025-12-27 20:22:10

The Root

Time of First Successful Submission: 2025-12-27 20:41:43

Program and absolute paths

Time of First Successful Submission: 2025-12-27 20:42:15

Position thy self

Time of First Successful Submission: 2025-12-27 20:43:51

Position elsewhere

Time of First Successful Submission: 2025-12-27 20:45:09

implicit relative paths, from /

Time of First Successful Submission: 2025-12-27 20:45:51

explicit relative paths, from /

Time of First Successful Submission: 2025-12-27 20:46:37

implicit relative path

Time of First Successful Submission: 2025-12-27 20:47:41

home sweet home

Time of First Successful Submission: 2025-12-27 20:49:35

cat: not the pet, but the command!

Time of First Successful Submission: 2025-12-27 20:51:19

catting absolute paths

Time of First Successful Submission: 2025-12-27 20:51:52

more catting practice

Time of First Successful Submission: 2025-12-27 20:52:43

grepping for a needle in a haystack

Time of First Successful Submission: 2025-12-27 20:53:22

comparing files

Time of First Successful Submission: 2025-12-27 20:54:17

listing files

Time of First Successful Submission: 2025-12-27 20:56:58

touching files

Time of First Successful Submission: 2025-12-27 20:58:21

removing files

Time of First Successful Submission: 2025-12-27 20:58:55

moving files

Time of First Successful Submission: 2025-12-27 20:59:45

copying files

Time of First Successful Submission: 2025-12-27 21:05:15

hidden files

Time of First Successful Submission: 2025-12-27 21:06:22

An Epic Filesystem Quest

Time of First Successful Submission: 2025-12-27 21:13:10

making directories

Time of First Successful Submission: 2025-12-27 21:13:45

finding files

Time of First Successful Submission: 2025-12-27 21:19:48

linking files

Time of First Successful Submission: 2025-12-27 21:34:52

Learning From Documentation

Time of First Successful Submission: 2025-12-27 21:40:45

Learning Complex Usage

Time of First Successful Submission: 2025-12-27 21:41:34

Reading Manuals

Time of First Successful Submission: 2025-12-27 21:45:49

Searching Manuals

Time of First Successful Submission: 2025-12-27 21:46:34

Searching For Manuals

Time of First Successful Submission: 2025-12-27 21:54:12

Helpful Programs

Time of First Successful Submission: 2025-12-27 21:59:41

Help for Builtins

Time of First Successful Submission: 2025-12-27 22:01:03

Matching with *

Time of First Successful Submission: 2025-12-27 22:33:12

Matching with ?

Time of First Successful Submission: 2025-12-27 22:35:30

Matching with []

Time of First Successful Submission: 2025-12-27 22:36:50

Matching paths with []

Time of First Successful Submission: 2025-12-27 22:38:11

Multiple globs

Time of First Successful Submission: 2025-12-27 22:39:15

Mixing globs

Time of First Successful Submission: 2025-12-27 22:43:28

Exclusionary globbing

Time of First Successful Submission: 2025-12-27 22:44:53

Tab completion

Time of First Successful Submission: 2025-12-27 22:45:59

Multiple options for tab completion

Time of First Successful Submission: 2025-12-27 22:46:49

Tab completion on commands

Time of First Successful Submission: 2025-12-27 22:47:16

Redirecting output

Time of First Successful Submission: 2025-12-28 06:57:15

Redirecting more output

Time of First Successful Submission: 2025-12-28 06:58:13

Appending output

Time of First Successful Submission: 2025-12-28 07:00:12

Redirecting errors

Time of First Successful Submission: 2025-12-28 07:02:56

Redirecting input

Time of First Successful Submission: 2025-12-28 07:03:51

Grepping stored results

Time of First Successful Submission: 2025-12-28 07:05:45

Grepping live output

Time of First Successful Submission: 2025-12-28 08:37:44

Grepping errors

Time of First Successful Submission: 2025-12-28 07:10:20

Filtering with grep -v

Time of First Successful Submission: 2025-12-28 07:11:03

Filtering with sed

Time of First Successful Submission: 2025-12-28 08:09:33

Duplicating piped data with tee

Time of First Successful Submission: 2025-12-28 08:15:37

Process substitution for input

Time of First Successful Submission: 2025-12-28 08:18:17

Writing to multiple programs

Time of First Successful Submission: 2025-12-28 08:25:01

Split-piping stderr and stdout

Time of First Successful Submission: 2025-12-28 08:27:34

Named pipes

Time of First Successful Submission: 2025-12-28 08:36:58

Printing Variables

Time of First Successful Submission: 2025-12-28 20:33:18

Setting Variables

Time of First Successful Submission: 2025-12-28 20:34:11

Multi-word Variables

Time of First Successful Submission: 2025-12-28 20:34:56

Exporting Variables

Time of First Successful Submission: 2025-12-28 20:40:18

Printing Exported Variables

Time of First Successful Submission: 2025-12-28 20:42:15

Storing Command Output

Time of First Successful Submission: 2025-12-28 20:43:20

Reading Input

Time of First Successful Submission: 2025-12-28 20:44:24

Reading Files

Time of First Successful Submission: 2025-12-28 20:49:56

Translating characters

Time of First Successful Submission: 2025-12-28 20:55:06

Deleting characters

Time of First Successful Submission: 2025-12-28 20:57:15

Deleting newlines

Time of First Successful Submission: 2025-12-28 20:59:16

Extracting the first lines with head

Time of First Successful Submission: 2025-12-28 21:06:01

Extracting specific sections of text

Time of First Successful Submission: 2025-12-28 21:07:29

Sorting data

Time of First Successful Submission: 2025-12-28 21:09:08

Listing Processes

Time of First Successful Submission: 2025-12-28 21:16:35

Killing Processes

Time of First Successful Submission: 2025-12-28 21:24:20

Interrupting Processes

Time of First Successful Submission: 2025-12-28 21:25:26

Killing Misbehaving Processes

Time of First Successful Submission: 2025-12-28 21:29:23

Suspending Processes

Time of First Successful Submission: 2025-12-28 21:31:35

Resuming Processes

Time of First Successful Submission: 2025-12-28 21:32:02

Backgrounding Processes

Time of First Successful Submission: 2025-12-28 21:34:13

Foregrounding Processes

Time of First Successful Submission: 2025-12-28 21:35:57

Starting Backgrounded Processes

Time of First Successful Submission: 2025-12-28 21:37:43

Process Exit Codes

Time of First Successful Submission: 2025-12-28 21:38:31

Becoming root with su

Time of First Successful Submission: 2025-12-28 21:46:39

Other users with su

Time of First Successful Submission: 2025-12-28 21:54:20

Cracking passwords

Time of First Successful Submission: 2025-12-28 22:00:40

Using sudo

Time of First Successful Submission: 2025-12-28 22:04:44

Changing File Ownership

Time of First Successful Submission: 2025-12-28 23:44:46

Groups and Files

Time of First Successful Submission: 2025-12-28 23:46:12

Fun With Groups Names

Time of First Successful Submission: 2025-12-28 23:47:05

Changing Permissions

Time of First Successful Submission: 2025-12-28 23:48:33

Executable Files

Time of First Successful Submission: 2025-12-28 23:49:17

Permission Tweaking Practice

Time of First Successful Submission: 2025-12-28 23:56:27

Permissions Setting Practice

Time of First Successful Submission: 2025-12-28 23:58:39

The SUID Bit

Time of First Successful Submission: 2025-12-29 00:00:07

Chaining with Semicolons

Time of First Successful Submission: 2025-12-29 10:28:01

Building on Success

Time of First Successful Submission: 2025-12-29 10:36:39

Handling Failure

Time of First Successful Submission: 2025-12-29 10:37:54

Your First Shell Script

Time of First Successful Submission: 2025-12-29 14:55:40

Redirecting Script Output

Time of First Successful Submission: 2025-12-29 14:58:41

Executable Shell Scripts

Time of First Successful Submission: 2025-12-29 14:59:32

Understanding Shebangs

Time of First Successful Submission: 2025-12-29 15:02:46

Scripting with Arguments

Time of First Successful Submission: 2025-12-29 15:04:09

Scripting with Conditionals

Time of First Successful Submission: 2025-12-29 15:06:01

Scripting with Default Cases

Time of First Successful Submission: 2025-12-29 15:07:10

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-12-29 15:09:42

Reading Shell Scripts

Time of First Successful Submission: 2025-12-29 15:10:35

Launching Screen

Time of First Successful Submission: 2025-12-29 15:13:04

Detaching and Attaching

Time of First Successful Submission: 2025-12-29 15:14:01

Finding Sessions

Time of First Successful Submission: 2025-12-29 15:16:36

Switching Windows

Time of First Successful Submission: 2025-12-29 15:17:39

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-12-29 15:18:31

Switching Windows (tmux)

Time of First Successful Submission: 2025-12-29 15:19:08

The PATH Variable

Time of First Successful Submission: 2025-12-29 16:09:18

Setting PATH

Time of First Successful Submission: 2025-12-29 16:10:03

Finding Commands

Time of First Successful Submission: 2025-12-29 16:17:53

Adding Commands

Time of First Successful Submission: 2025-12-29 16:24:50

Hijacking Commands

Time of First Successful Submission: 2025-12-29 16:29:20

Bashrc Backdoor

Time of First Successful Submission: 2025-12-29 16:39:08

Sniffing Input

Time of First Successful Submission: 2025-12-29 16:53:22

Overshared Directories

Time of First Successful Submission: 2025-12-29 16:58:27

Tricky Linking

Time of First Successful Submission: 2025-12-29 17:10:23

Sniffing Process Arguments

Time of First Successful Submission: 2025-12-29 17:12:35

Snooping on Configurations

Time of First Successful Submission: 2025-12-29 17:14:13

The Fork Bomb

Time of First Successful Submission: 2025-12-29 17:44:15

Disk-Space Doomsday

Time of First Successful Submission: 2025-12-29 17:49:50

rm -rf /

Time of First Successful Submission: 2025-12-29 17:52:52

Life after rm -rf /

Time of First Successful Submission: 2025-12-29 18:01:49

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-12-29 18:08:47


Computing 101

68 / 94 2252 / 21499


Your First Register

Time of First Successful Submission: 2025-12-30 16:38:53

Your First Syscall

Time of First Successful Submission: 2025-12-30 17:37:52

Exit Codes

Time of First Successful Submission: 2025-12-30 19:25:19

Building Executables

Time of First Successful Submission: 2025-12-30 19:30:17

Moving Between Registers

Time of First Successful Submission: 2025-12-30 19:33:21

Loading From Memory

Time of First Successful Submission: 2025-12-31 10:19:18

More Loading Practice

Time of First Successful Submission: 2025-12-31 10:21:03

Dereferencing Pointers

Time of First Successful Submission: 2025-12-31 10:24:10

Dereferencing Yourself

Time of First Successful Submission: 2025-12-31 10:25:39

Dereferencing with Offsets

Time of First Successful Submission: 2025-12-31 10:28:58

Stored Addresses

Time of First Successful Submission: 2025-12-31 10:30:47

Double Dereference

Time of First Successful Submission: 2025-12-31 10:33:43

Tracing Syscalls

Time of First Successful Submission: 2025-12-30 19:43:14

Starting GDB

Time of First Successful Submission: 2025-12-31 09:44:04

Starting Programs in GDB

Time of First Successful Submission: 2025-12-31 09:45:29

Writing Output

Time of First Successful Submission: 2025-12-31 12:17:43

Chaining Syscalls

Time of First Successful Submission: 2025-12-31 12:32:31

Writing Strings

Time of First Successful Submission: 2025-12-31 12:39:31

Reading Data

Time of First Successful Submission: 2025-12-31 12:42:40

set-register

Time of First Successful Submission: 2025-12-31 14:55:05

set-multiple-registers

Time of First Successful Submission: 2025-12-31 14:56:36

add-to-register

Time of First Successful Submission: 2025-12-31 14:59:47

linear-equation-registers

Time of First Successful Submission: 2025-12-31 15:05:33

integer-division

Time of First Successful Submission: 2025-12-31 15:36:38

modulo-operation

Time of First Successful Submission: 2025-12-31 15:39:02

set-upper-byte

Time of First Successful Submission: 2025-12-31 15:40:14

efficient-modulo

Time of First Successful Submission: 2026-01-01 14:05:50

byte-extraction

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

bitwise-and

Time of First Successful Submission: 2026-01-01 19:17:52

check-even

Time of First Successful Submission: 2026-01-01 19:49:18

memory-read

Time of First Successful Submission: 2026-01-02 10:21:23

memory-write

Time of First Successful Submission: 2026-01-02 10:22:25

memory-increment

Time of First Successful Submission: 2026-01-02 13:27:36

byte-access

Time of First Successful Submission: 2026-01-02 13:46:29

memory-size-access

Time of First Successful Submission: 2026-01-02 14:13:18

little-endian-write

Time of First Successful Submission: 2026-01-02 16:14:29

memory-sum

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

stack-subtraction

Time of First Successful Submission: 2026-01-02 16:52:20

swap-stack-values

Time of First Successful Submission: 2026-01-02 16:53:31

average-stack-values

Time of First Successful Submission: 2026-01-04 14:33:02

absolute-jump

Time of First Successful Submission: 2026-01-04 14:58:21

relative-jump

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

jump-trampoline

Time of First Successful Submission: 2026-01-04 15:14:23

conditional-jump

Time of First Successful Submission: 2026-01-04 15:42:44

indirect-jump

Time of First Successful Submission: 2026-01-04 16:07:02

average-loop

Time of First Successful Submission: 2026-01-04 16:23:14

count-non-zero

Time of First Successful Submission: 2026-01-04 16:57:29

string-lower

Time of First Successful Submission: 2026-01-06 11:14:08

most-common-byte

Time of First Successful Submission: 2026-01-07 20:12:21

Exit

Time of First Successful Submission: 2026-01-10 20:54:25

Socket

Time of First Successful Submission: 2026-01-10 21:22:37

Bind

Time of First Successful Submission: 2026-01-10 22:27:05

Listen

Time of First Successful Submission: 2026-01-10 22:44:26

Accept

Time of First Successful Submission: 2026-01-10 22:51:27

Static Response

Time of First Successful Submission: 2026-01-10 23:47:59

Dynamic Response

Time of First Successful Submission: 2026-01-11 10:52:30

Iterative GET Server

Time of First Successful Submission: 2026-01-11 11:12:51

Concurrent GET Server

Time of First Successful Submission: 2026-01-11 11:36:42

Concurrent POST Server

Time of First Successful Submission: 2026-01-11 12:33:22

Web Server

Time of First Successful Submission: 2026-01-11 13:38:30

Debugging Programs

Time of First Successful Submission: 2026-01-08 20:30:50

Inspecting Registers

Time of First Successful Submission: 2026-01-08 20:34:51

Examining Memory

Time of First Successful Submission: 2026-01-08 20:47:36

Setting Breakpoints

Time of First Successful Submission: 2026-01-10 11:51:36

GDB Scripting

Time of First Successful Submission: 2026-01-10 12:06:17

Modifying Data

Time of First Successful Submission: 2026-01-10 13:04:31

Modifying Execution

Time of First Successful Submission: 2026-01-10 13:05:41

Broken Functions

Time of First Successful Submission: 2026-01-10 13:24:09


Playing With Programs

116 / 116 686 / 23365


What's the password?

Time of First Successful Submission: 2026-01-11 15:07:07

... and again!

Time of First Successful Submission: 2026-01-11 15:07:36

Newline Troubles

Time of First Successful Submission: 2026-01-11 15:11:32

Reasoning about files

Time of First Successful Submission: 2026-01-11 15:14:43

Specifying Filenames

Time of First Successful Submission: 2026-01-11 16:19:10

Binary and Hex Encoding

Time of First Successful Submission: 2026-01-11 16:23:58

More Hex

Time of First Successful Submission: 2026-01-11 16:25:24

Decoding Hex

Time of First Successful Submission: 2026-01-11 16:36:38

Decoding Practice

Time of First Successful Submission: 2026-01-12 19:56:18

Encoding Practice

Time of First Successful Submission: 2026-01-12 20:07:00

Hex-encoding ASCII

Time of First Successful Submission: 2026-01-12 20:11:11

Nested Encoding

Time of First Successful Submission: 2026-01-13 19:55:15

Hex-encoding UTF-8

Time of First Successful Submission: 2026-01-13 19:58:50

UTF Mixups

Time of First Successful Submission: 2026-01-13 20:27:12

Modifying Encoded Data

Time of First Successful Submission: 2026-01-13 20:55:50

Decoding Base64

Time of First Successful Submission: 2026-01-13 21:08:43

Encoding Base64

Time of First Successful Submission: 2026-01-14 18:40:32

Dealing with Obfuscation

Time of First Successful Submission: 2026-01-14 19:16:07

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-01-14 19:22:07

Your First HTTP Request

Time of First Successful Submission: 2026-01-14 22:22:30

Reading Flask

Time of First Successful Submission: 2026-01-15 21:47:28

Commented Data

Time of First Successful Submission: 2026-01-15 21:50:02

HTTP Metadata

Time of First Successful Submission: 2026-01-15 21:53:00

HTTP (netcat)

Time of First Successful Submission: 2026-01-16 19:00:57

HTTP Paths (netcat)

Time of First Successful Submission: 2026-01-16 19:08:36

HTTP (curl)

Time of First Successful Submission: 2026-01-16 19:16:38

HTTP (python)

Time of First Successful Submission: 2026-01-16 19:21:49

HTTP Host Header (python)

Time of First Successful Submission: 2026-01-16 20:12:12

HTTP Host Header (curl)

Time of First Successful Submission: 2026-01-16 20:18:16

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-01-16 20:31:55

URL Encoding (netcat)

Time of First Successful Submission: 2026-01-16 20:34:22

HTTP GET Parameters

Time of First Successful Submission: 2026-01-16 20:42:21

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-01-16 20:50:30

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-01-16 20:57:27

HTTP Forms

Time of First Successful Submission: 2026-01-16 21:08:34

HTTP Forms (curl)

Time of First Successful Submission: 2026-01-16 21:17:01

HTTP Forms (netcat)

Time of First Successful Submission: 2026-01-16 21:43:35

HTTP Forms (python)

Time of First Successful Submission: 2026-01-17 07:23:13

HTTP Forms Without Forms

Time of First Successful Submission: 2026-01-17 07:39:50

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-01-17 07:45:57

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-01-17 08:02:56

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-01-17 08:08:56

HTTP Redirects (curl)

Time of First Successful Submission: 2026-01-17 09:46:04

HTTP Redirects (python)

Time of First Successful Submission: 2026-01-17 09:47:45

HTTP Cookies (curl)

Time of First Successful Submission: 2026-01-17 11:37:49

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-01-17 11:42:25

HTTP Cookies (python)

Time of First Successful Submission: 2026-01-17 11:45:01

Server State (python)

Time of First Successful Submission: 2026-01-17 11:48:54

Listening Web

Time of First Successful Submission: 2026-01-17 12:32:14

Speaking Redirects

Time of First Successful Submission: 2026-01-17 12:58:23

JavaScript Redirects

Time of First Successful Submission: 2026-01-17 13:27:32

Including JavaScript

Time of First Successful Submission: 2026-01-17 15:13:03

HTTP (javascript)

Time of First Successful Submission: 2026-01-17 15:55:06

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-01-17 17:06:23

HTTP Forms (javascript)

Time of First Successful Submission: 2026-01-17 17:22:51

cat

Time of First Successful Submission: 2026-01-18 09:26:23

more

Time of First Successful Submission: 2026-01-18 09:27:38

less

Time of First Successful Submission: 2026-01-18 09:27:59

tail

Time of First Successful Submission: 2026-01-18 09:28:24

head

Time of First Successful Submission: 2026-01-18 09:28:47

sort

Time of First Successful Submission: 2026-01-18 09:29:12

vim

Time of First Successful Submission: 2026-01-18 09:29:47

emacs

Time of First Successful Submission: 2026-01-18 09:30:12

nano

Time of First Successful Submission: 2026-01-18 09:30:30

rev

Time of First Successful Submission: 2026-01-18 09:31:19

od

Time of First Successful Submission: 2026-01-18 09:36:01

hd

Time of First Successful Submission: 2026-01-18 09:37:09

xxd

Time of First Successful Submission: 2026-01-18 09:38:32

base32

Time of First Successful Submission: 2026-01-18 09:39:24

base64

Time of First Successful Submission: 2026-01-18 09:39:46

split

Time of First Successful Submission: 2026-01-18 09:43:36

gzip

Time of First Successful Submission: 2026-01-18 09:46:58

bzip2

Time of First Successful Submission: 2026-01-18 09:48:52

zip

Time of First Successful Submission: 2026-01-18 10:06:11

tar

Time of First Successful Submission: 2026-01-18 10:12:49

ar

Time of First Successful Submission: 2026-01-18 12:22:54

cpio

Time of First Successful Submission: 2026-01-18 12:28:58

genisoimage

Time of First Successful Submission: 2026-01-18 17:53:37

env

Time of First Successful Submission: 2026-01-18 19:23:53

find

Time of First Successful Submission: 2026-01-18 19:32:18

make

Time of First Successful Submission: 2026-01-18 19:54:08

nice

Time of First Successful Submission: 2026-01-18 19:55:01

timeout

Time of First Successful Submission: 2026-01-18 19:57:13

stdbuf

Time of First Successful Submission: 2026-01-18 19:58:32

setarch

Time of First Successful Submission: 2026-01-18 20:00:11

watch

Time of First Successful Submission: 2026-01-18 20:02:10

socat

Time of First Successful Submission: 2026-01-18 20:07:12

whiptail

Time of First Successful Submission: 2026-01-18 20:51:35

awk

Time of First Successful Submission: 2026-01-18 20:54:35

sed

Time of First Successful Submission: 2026-01-18 20:56:40

ed

Time of First Successful Submission: 2026-01-18 22:40:49

chown

Time of First Successful Submission: 2026-01-19 17:31:37

chmod

Time of First Successful Submission: 2026-01-19 17:32:58

cp

Time of First Successful Submission: 2026-01-19 17:35:46

mv

Time of First Successful Submission: 2026-01-19 22:48:16

perl

Time of First Successful Submission: 2026-01-19 23:00:39

python

Time of First Successful Submission: 2026-01-19 23:02:42

ruby

Time of First Successful Submission: 2026-01-19 23:29:23

bash

Time of First Successful Submission: 2026-01-20 18:21:57

date

Time of First Successful Submission: 2026-01-20 18:25:42

dmesg

Time of First Successful Submission: 2026-01-20 18:27:13

wc

Time of First Successful Submission: 2026-01-20 18:28:24

gcc

Time of First Successful Submission: 2026-01-20 18:32:57

as

Time of First Successful Submission: 2026-01-20 18:33:19

wget

Time of First Successful Submission: 2026-01-20 19:08:32

ssh-keygen

Time of First Successful Submission: 2026-01-20 20:37:50

SQL Queries

Time of First Successful Submission: 2026-01-21 17:54:53

Filtering SQL

Time of First Successful Submission: 2026-01-21 17:57:30

Choosing Columns

Time of First Successful Submission: 2026-01-21 18:00:28

Exclusionary Filtering

Time of First Successful Submission: 2026-01-21 18:01:59

Filtering Strings

Time of First Successful Submission: 2026-01-21 18:02:39

Filtering on Expressions

Time of First Successful Submission: 2026-01-21 18:06:50

SELECTing Expressions

Time of First Successful Submission: 2026-01-21 18:13:46

Composite Conditions

Time of First Successful Submission: 2026-01-21 18:15:22

Reaching Your LIMITs

Time of First Successful Submission: 2026-01-21 18:17:43

Querying Metadata

Time of First Successful Submission: 2026-01-21 18:19:58


GCA CTF

12 / 104 816 / 43544


Using the Terminal

Time of First Successful Submission: 2025-12-27 19:03:39

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-27 19:05:45

Using the GUI Desktop

Time of First Successful Submission: 2025-12-27 19:07:55

Pasting into the Desktop

Time of First Successful Submission: 2025-12-27 19:10:53

Connecting over SSH

Time of First Successful Submission: 2025-12-27 19:11:54

Restarting Challenges

Time of First Successful Submission: 2025-12-27 19:14:29

Getting Help

Time of First Successful Submission: 2025-12-27 19:18:01

Challenge Programs

Time of First Successful Submission: 2025-12-27 19:19:37

The Flag File

Time of First Successful Submission: 2025-12-27 19:20:46

Using Privileged Mode

Time of First Successful Submission: 2025-12-27 19:24:49

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-27 19:26:46

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-27 19:27:33