Vertigo

🐧 💻 🔤

pwn.college Archives

1 / 202 22349 / 22791

Triple Dereference

Time of First Successful Submission: 2026-01-23 22:10:31

Intro to Programming Languages

15 / 234 7255 / 31936

Commands

Time of First Successful Submission: 2026-01-08 15:00:05

Command Arguments

Time of First Successful Submission: 2026-01-08 15:00:55

Command History

Time of First Successful Submission: 2026-01-08 15:01:48

The Root Path

Time of First Successful Submission: 2026-01-08 15:03:53

Absolute Paths

Time of First Successful Submission: 2026-01-08 15:07:14

Changing position

Time of First Successful Submission: 2026-01-08 15:09:36

Changing to an Absolute Path

Time of First Successful Submission: 2026-01-08 15:11:37

Relative Paths

Time of First Successful Submission: 2026-01-08 15:16:54

Cat

Time of First Successful Submission: 2026-01-08 15:33:26

Ls

Time of First Successful Submission: 2026-01-08 15:39:28

Ls All

Time of First Successful Submission: 2026-01-08 16:05:00

Find

Time of First Successful Submission: 2026-01-08 16:22:49

Piping Echo

Time of First Successful Submission: 2026-01-09 21:27:19

Piping Stdout

Time of First Successful Submission: 2026-01-09 21:28:37

Piping Stdin

Time of First Successful Submission: 2026-01-09 21:34:35

Intro to Cybersecurity

70 / 183 4277 / 20011

Path Traversal 1

Time of First Successful Submission: 2026-02-23 18:49:53

Path Traversal 2

Time of First Successful Submission: 2026-02-23 18:58:00

CMDi 1

Time of First Successful Submission: 2026-02-23 19:06:39

CMDi 2

Time of First Successful Submission: 2026-02-23 19:09:37

CMDi 3

Time of First Successful Submission: 2026-02-23 19:12:02

CMDi 4

Time of First Successful Submission: 2026-02-23 19:16:57

CMDi 5

Time of First Successful Submission: 2026-02-23 19:20:49

CMDi 6

Time of First Successful Submission: 2026-02-23 19:53:10

Authentication Bypass 1

Time of First Successful Submission: 2026-02-25 00:21:04

Authentication Bypass 2

Time of First Successful Submission: 2026-02-25 00:23:45

SQLi 1

Time of First Successful Submission: 2026-02-25 00:41:22

SQLi 2

Time of First Successful Submission: 2026-02-25 00:52:27

SQLi 3

Time of First Successful Submission: 2026-02-25 01:09:24

SQLi 4

Time of First Successful Submission: 2026-02-25 01:21:12

SQLi 5

Time of First Successful Submission: 2026-02-27 02:24:16

XSS 1

Time of First Successful Submission: 2026-02-27 22:54:22

XSS 2

Time of First Successful Submission: 2026-02-27 22:57:20

XSS 3

Time of First Successful Submission: 2026-02-27 23:02:09

XSS 4

Time of First Successful Submission: 2026-02-27 23:05:35

XSS 5

Time of First Successful Submission: 2026-02-27 23:17:51

XSS 6

Time of First Successful Submission: 2026-02-27 23:20:51

XSS 7

Time of First Successful Submission: 2026-02-27 23:49:51

CSRF 1

Time of First Successful Submission: 2026-02-28 00:46:13

CSRF 2

Time of First Successful Submission: 2026-02-28 01:19:41

CSRF 3

Time of First Successful Submission: 2026-02-28 01:32:03

CSRF 4

Time of First Successful Submission: 2026-02-28 01:47:51

CSRF 5

Time of First Successful Submission: 2026-02-28 01:58:36

Connect

Time of First Successful Submission: 2026-03-01 01:39:29

Send

Time of First Successful Submission: 2026-03-01 01:40:12

Shutdown

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

Listen

Time of First Successful Submission: 2026-03-01 01:43:05

Scan 1

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

Scan 2

Time of First Successful Submission: 2026-03-01 02:17:17

Monitor 1

Time of First Successful Submission: 2026-03-01 02:26:52

Monitor 2

Time of First Successful Submission: 2026-03-01 03:10:06

Sniffing Cookies

Time of First Successful Submission: 2026-03-02 01:26:00

Network Configuration

Time of First Successful Submission: 2026-03-02 01:35:38

Firewall 1

Time of First Successful Submission: 2026-03-02 01:47:59

Firewall 2

Time of First Successful Submission: 2026-03-02 01:55:46

Firewall 3

Time of First Successful Submission: 2026-03-02 01:57:12

Denial of Service 1

Time of First Successful Submission: 2026-03-05 01:30:18

Denial of Service 2

Time of First Successful Submission: 2026-03-05 01:33:10

Denial of Service 3

Time of First Successful Submission: 2026-03-05 02:04:23

Ethernet

Time of First Successful Submission: 2026-03-05 16:04:41

IP

Time of First Successful Submission: 2026-03-05 16:08:17

TCP

Time of First Successful Submission: 2026-03-05 16:16:33

TCP Handshake

Time of First Successful Submission: 2026-03-05 16:24:04

UDP

Time of First Successful Submission: 2026-03-05 16:36:35

UDP 2

Time of First Successful Submission: 2026-03-05 16:43:42

UDP Spoofing 1

Time of First Successful Submission: 2026-03-05 17:08:25

UDP Spoofing 2

Time of First Successful Submission: 2026-03-05 17:31:44

UDP Spoofing 3

Time of First Successful Submission: 2026-03-07 16:05:43

UDP Spoofing 4

Time of First Successful Submission: 2026-03-07 22:38:25

ARP

Time of First Successful Submission: 2026-03-07 22:46:39

Intercept

Time of First Successful Submission: 2026-03-07 23:27:11

Man-in-the-Middle

Time of First Successful Submission: 2026-03-08 09:38:10

XOR

Time of First Successful Submission: 2026-03-10 14:01:26

XORing Hex

Time of First Successful Submission: 2026-03-10 14:04:28

XORing ASCII

Time of First Successful Submission: 2026-03-10 14:08:25

XORing ASCII Strings

Time of First Successful Submission: 2026-03-10 14:29:22

One-time Pad

Time of First Successful Submission: 2026-03-10 14:35:09

One-time Pad Tampering

Time of First Successful Submission: 2026-03-10 14:44:32

Many-time Pad

Time of First Successful Submission: 2026-03-10 15:07:03

AES

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

AES-ECB-CPA

Time of First Successful Submission: 2026-03-17 18:39:35

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-03-18 15:48:54

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-03-18 15:50:04

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-03-18 16:06:24

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-03-20 16:08:54

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-03-20 16:16:46

Start Here

10 / 12 19066 / 43261

Using the Terminal

Time of First Successful Submission: 2026-01-08 14:20:51

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-08 14:22:38

Using the GUI Desktop

Time of First Successful Submission: 2026-01-08 14:30:30

Pasting into the Desktop

Time of First Successful Submission: 2026-01-08 14:31:54

Restarting Challenges

Time of First Successful Submission: 2026-01-08 14:39:57

Challenge Programs

Time of First Successful Submission: 2026-01-11 14:26:49

The Flag File

Time of First Successful Submission: 2026-01-11 14:27:37

Using Privileged Mode

Time of First Successful Submission: 2026-01-11 14:29:12

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-11 14:30:12

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-11 14:30:35

Linux Luminarium

128 / 128 1234 / 32345

Intro to Commands

Time of First Successful Submission: 2026-01-08 15:00:05

Intro to Arguments

Time of First Successful Submission: 2026-01-08 15:00:55

Command History

Time of First Successful Submission: 2026-01-08 15:01:48

The Root

Time of First Successful Submission: 2026-01-08 15:03:53

Program and absolute paths

Time of First Successful Submission: 2026-01-08 15:07:14

Position thy self

Time of First Successful Submission: 2026-01-08 15:09:36

Position elsewhere

Time of First Successful Submission: 2026-01-08 15:11:37

implicit relative paths, from /

Time of First Successful Submission: 2026-01-08 15:16:54

explicit relative paths, from /

Time of First Successful Submission: 2026-01-08 15:18:46

implicit relative path

Time of First Successful Submission: 2026-01-08 15:20:47

home sweet home

Time of First Successful Submission: 2026-01-08 15:24:21

cat: not the pet, but the command!

Time of First Successful Submission: 2026-01-08 15:33:26

catting absolute paths

Time of First Successful Submission: 2026-01-08 15:35:12

more catting practice

Time of First Successful Submission: 2026-01-08 15:36:12

grepping for a needle in a haystack

Time of First Successful Submission: 2026-01-08 15:37:15

comparing files

Time of First Successful Submission: 2026-01-08 15:38:49

listing files

Time of First Successful Submission: 2026-01-08 15:39:28

touching files

Time of First Successful Submission: 2026-01-08 15:41:49

removing files

Time of First Successful Submission: 2026-01-08 15:42:17

moving files

Time of First Successful Submission: 2026-01-08 15:59:32

copying files

Time of First Successful Submission: 2026-01-08 16:04:09

hidden files

Time of First Successful Submission: 2026-01-08 16:05:00

An Epic Filesystem Quest

Time of First Successful Submission: 2026-01-08 16:11:46

making directories

Time of First Successful Submission: 2026-01-08 16:16:20

finding files

Time of First Successful Submission: 2026-01-08 16:22:49

linking files

Time of First Successful Submission: 2026-01-08 16:26:46

Learning From Documentation

Time of First Successful Submission: 2026-01-08 20:16:11

Learning Complex Usage

Time of First Successful Submission: 2026-01-08 20:17:29

Reading Manuals

Time of First Successful Submission: 2026-01-08 20:21:36

Searching Manuals

Time of First Successful Submission: 2026-01-08 20:23:06

Searching For Manuals

Time of First Successful Submission: 2026-01-08 20:25:27

Helpful Programs

Time of First Successful Submission: 2026-01-08 20:26:15

Help for Builtins

Time of First Successful Submission: 2026-01-08 20:29:33

Matching with *

Time of First Successful Submission: 2026-01-08 20:33:19

Matching with ?

Time of First Successful Submission: 2026-01-08 20:34:18

Matching with []

Time of First Successful Submission: 2026-01-08 20:35:51

Matching paths with []

Time of First Successful Submission: 2026-01-08 20:36:43

Multiple globs

Time of First Successful Submission: 2026-01-08 20:37:35

Mixing globs

Time of First Successful Submission: 2026-01-08 20:39:26

Exclusionary globbing

Time of First Successful Submission: 2026-01-08 20:40:27

Tab completion

Time of First Successful Submission: 2026-01-08 20:42:08

Multiple options for tab completion

Time of First Successful Submission: 2026-01-08 20:43:09

Tab completion on commands

Time of First Successful Submission: 2026-01-08 20:45:29

Redirecting output

Time of First Successful Submission: 2026-01-09 21:27:19

Redirecting more output

Time of First Successful Submission: 2026-01-09 21:28:37

Appending output

Time of First Successful Submission: 2026-01-09 21:31:40

Redirecting errors

Time of First Successful Submission: 2026-01-09 21:33:29

Redirecting input

Time of First Successful Submission: 2026-01-09 21:34:35

Grepping stored results

Time of First Successful Submission: 2026-01-09 21:36:15

Grepping live output

Time of First Successful Submission: 2026-01-09 21:37:45

Grepping errors

Time of First Successful Submission: 2026-01-09 21:39:44

Filtering with grep -v

Time of First Successful Submission: 2026-01-09 21:40:41

Filtering with sed

Time of First Successful Submission: 2026-01-09 21:42:02

Duplicating piped data with tee

Time of First Successful Submission: 2026-01-09 21:47:23

Process substitution for input

Time of First Successful Submission: 2026-01-09 21:54:13

Writing to multiple programs

Time of First Successful Submission: 2026-01-09 21:58:54

Split-piping stderr and stdout

Time of First Successful Submission: 2026-01-09 22:14:56

Named pipes

Time of First Successful Submission: 2026-01-09 22:19:21

Printing Variables

Time of First Successful Submission: 2026-01-11 00:59:13

Setting Variables

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

Multi-word Variables

Time of First Successful Submission: 2026-01-11 01:00:46

Exporting Variables

Time of First Successful Submission: 2026-01-11 01:03:13

Printing Exported Variables

Time of First Successful Submission: 2026-01-11 01:03:35

Storing Command Output

Time of First Successful Submission: 2026-01-11 01:08:02

Reading Input

Time of First Successful Submission: 2026-01-11 01:10:45

Reading Files

Time of First Successful Submission: 2026-01-11 02:06:04

Translating characters

Time of First Successful Submission: 2026-01-11 02:12:14

Deleting characters

Time of First Successful Submission: 2026-01-11 02:12:58

Deleting newlines

Time of First Successful Submission: 2026-01-11 02:14:26

Extracting the first lines with head

Time of First Successful Submission: 2026-01-11 02:15:15

Extracting specific sections of text

Time of First Successful Submission: 2026-01-11 02:17:03

Sorting data

Time of First Successful Submission: 2026-01-11 02:18:09

Listing Processes

Time of First Successful Submission: 2026-01-11 02:21:49

Killing Processes

Time of First Successful Submission: 2026-01-11 02:23:17

Interrupting Processes

Time of First Successful Submission: 2026-01-11 02:26:19

Killing Misbehaving Processes

Time of First Successful Submission: 2026-01-11 02:28:50

Suspending Processes

Time of First Successful Submission: 2026-01-11 02:29:32

Resuming Processes

Time of First Successful Submission: 2026-01-11 02:29:59

Backgrounding Processes

Time of First Successful Submission: 2026-01-11 02:33:25

Foregrounding Processes

Time of First Successful Submission: 2026-01-11 02:34:04

Starting Backgrounded Processes

Time of First Successful Submission: 2026-01-11 02:34:29

Process Exit Codes

Time of First Successful Submission: 2026-01-11 02:35:25

Becoming root with su

Time of First Successful Submission: 2026-01-11 02:39:58

Other users with su

Time of First Successful Submission: 2026-01-11 02:40:34

Cracking passwords

Time of First Successful Submission: 2026-01-11 02:44:31

Using sudo

Time of First Successful Submission: 2026-01-11 02:49:00

Changing File Ownership

Time of First Successful Submission: 2026-01-11 12:10:14

Groups and Files

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

Fun With Groups Names

Time of First Successful Submission: 2026-01-11 12:13:02

Changing Permissions

Time of First Successful Submission: 2026-01-11 12:15:48

Executable Files

Time of First Successful Submission: 2026-01-11 12:16:39

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-11 12:19:17

Permissions Setting Practice

Time of First Successful Submission: 2026-01-11 12:21:36

The SUID Bit

Time of First Successful Submission: 2026-01-11 12:23:50

Chaining with Semicolons

Time of First Successful Submission: 2026-01-11 12:24:56

Building on Success

Time of First Successful Submission: 2026-01-11 12:26:19

Handling Failure

Time of First Successful Submission: 2026-01-11 12:27:02

Your First Shell Script

Time of First Successful Submission: 2026-01-11 12:29:13

Redirecting Script Output

Time of First Successful Submission: 2026-01-11 12:32:20

Executable Shell Scripts

Time of First Successful Submission: 2026-01-11 12:33:31

Understanding Shebangs

Time of First Successful Submission: 2026-01-11 12:36:32

Scripting with Arguments

Time of First Successful Submission: 2026-01-11 12:38:16

Scripting with Conditionals

Time of First Successful Submission: 2026-01-11 12:41:09

Scripting with Default Cases

Time of First Successful Submission: 2026-01-11 12:42:32

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-11 12:44:39

Reading Shell Scripts

Time of First Successful Submission: 2026-01-11 12:47:57

Launching Screen

Time of First Successful Submission: 2026-01-11 12:51:08

Detaching and Attaching

Time of First Successful Submission: 2026-01-11 12:52:12

Finding Sessions

Time of First Successful Submission: 2026-01-11 12:53:56

Switching Windows

Time of First Successful Submission: 2026-01-11 12:55:07

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-11 12:56:07

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-11 12:57:10

The PATH Variable

Time of First Successful Submission: 2026-01-11 12:59:13

Setting PATH

Time of First Successful Submission: 2026-01-11 13:00:37

Finding Commands

Time of First Successful Submission: 2026-01-11 13:01:58

Adding Commands

Time of First Successful Submission: 2026-01-11 13:07:20

Hijacking Commands

Time of First Successful Submission: 2026-01-11 13:11:49

Bashrc Backdoor

Time of First Successful Submission: 2026-01-11 13:14:18

Sniffing Input

Time of First Successful Submission: 2026-01-11 13:22:51

Overshared Directories

Time of First Successful Submission: 2026-01-11 13:30:22

Tricky Linking

Time of First Successful Submission: 2026-01-11 13:47:18

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-11 13:49:26

Snooping on Configurations

Time of First Successful Submission: 2026-01-11 13:51:22

The Fork Bomb

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

Disk-Space Doomsday

Time of First Successful Submission: 2026-01-11 14:12:55

rm -rf /

Time of First Successful Submission: 2026-01-11 14:16:00

Life after rm -rf /

Time of First Successful Submission: 2026-01-11 14:19:05

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-01-11 14:22:13

Computing 101

94 / 94 45 / 21494

Your First Register

Time of First Successful Submission: 2026-01-19 18:48:46

Your First Syscall

Time of First Successful Submission: 2026-01-19 18:51:50

Exit Codes

Time of First Successful Submission: 2026-01-19 18:55:54

Building Executables

Time of First Successful Submission: 2026-01-19 19:07:12

Moving Between Registers

Time of First Successful Submission: 2026-01-19 19:11:25

Loading From Memory

Time of First Successful Submission: 2026-01-23 21:48:32

More Loading Practice

Time of First Successful Submission: 2026-01-23 21:50:58

Dereferencing Pointers

Time of First Successful Submission: 2026-01-23 21:56:08

Dereferencing Yourself

Time of First Successful Submission: 2026-01-23 21:59:04

Dereferencing with Offsets

Time of First Successful Submission: 2026-01-23 22:03:38

Stored Addresses

Time of First Successful Submission: 2026-01-23 22:06:10

Double Dereference

Time of First Successful Submission: 2026-01-23 22:09:10

The Stack

Time of First Successful Submission: 2026-02-22 03:28:50

Stack Offsets

Time of First Successful Submission: 2026-02-22 03:29:37

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-22 03:31:25

Popping From the Stack

Time of First Successful Submission: 2026-02-22 03:33:14

Disassembling Programs

Time of First Successful Submission: 2026-02-22 03:41:39

Tracing Syscalls

Time of First Successful Submission: 2026-01-19 19:21:35

Starting GDB

Time of First Successful Submission: 2026-01-19 19:23:58

Quitting GDB

Time of First Successful Submission: 2026-02-22 03:38:06

Starting Programs in GDB

Time of First Successful Submission: 2026-01-19 19:25:24

Disassembling in GDB

Time of First Successful Submission: 2026-02-22 03:45:31

Stepping Through Instructions

Time of First Successful Submission: 2026-02-22 03:50:03

Reading Register Values

Time of First Successful Submission: 2026-02-22 03:51:28

Popping Stack Values

Time of First Successful Submission: 2026-02-22 03:52:57

Examining Memory

Time of First Successful Submission: 2026-02-22 03:54:21

Examining Stack Pointers

Time of First Successful Submission: 2026-02-22 03:55:36

Cooperative Debugging

Time of First Successful Submission: 2026-02-22 03:57:21

Writing Output

Time of First Successful Submission: 2026-01-24 19:59:40

Chaining Syscalls

Time of First Successful Submission: 2026-01-24 20:00:59

Writing Strings

Time of First Successful Submission: 2026-01-24 20:06:22

Reading Data

Time of First Successful Submission: 2026-01-24 20:10:18

Opening Files

Time of First Successful Submission: 2026-02-22 04:04:43

Hardcoding the Filename

Time of First Successful Submission: 2026-02-22 04:07:41

Comparing Values

Time of First Successful Submission: 2026-02-23 04:40:40

Comparing Characters

Time of First Successful Submission: 2026-02-23 04:43:11

Conditional Control Flow

Time of First Successful Submission: 2026-02-23 04:47:16

Comparing Strings

Time of First Successful Submission: 2026-02-23 04:49:08

Reverse the Password

Time of First Successful Submission: 2026-02-23 05:02:07

Conditionals Without Conditionals

Time of First Successful Submission: 2026-02-23 05:14:29

Looping

Time of First Successful Submission: 2026-02-23 05:22:17

Reverse the Calculation

Time of First Successful Submission: 2026-02-23 05:25:25

Reverse the Reverse

Time of First Successful Submission: 2026-02-23 05:27:41

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-02-23 05:29:50

Loops on Data

Time of First Successful Submission: 2026-02-23 05:32:21

set-register

Time of First Successful Submission: 2026-01-24 20:32:20

set-multiple-registers

Time of First Successful Submission: 2026-01-24 20:34:09

add-to-register

Time of First Successful Submission: 2026-01-24 20:35:30

linear-equation-registers

Time of First Successful Submission: 2026-01-24 20:38:03

integer-division

Time of First Successful Submission: 2026-01-24 20:41:17

modulo-operation

Time of First Successful Submission: 2026-01-24 20:45:21

set-upper-byte

Time of First Successful Submission: 2026-01-24 20:47:01

efficient-modulo

Time of First Successful Submission: 2026-01-24 21:02:38

byte-extraction

Time of First Successful Submission: 2026-01-24 22:05:05

bitwise-and

Time of First Successful Submission: 2026-01-24 22:10:13

check-even

Time of First Successful Submission: 2026-01-24 22:21:11

memory-read

Time of First Successful Submission: 2026-01-26 15:59:11

memory-write

Time of First Successful Submission: 2026-01-26 16:14:19

memory-increment

Time of First Successful Submission: 2026-01-26 16:34:44

byte-access

Time of First Successful Submission: 2026-01-26 16:53:58

memory-size-access

Time of First Successful Submission: 2026-01-26 16:57:23

little-endian-write

Time of First Successful Submission: 2026-01-26 17:28:39

memory-sum

Time of First Successful Submission: 2026-01-26 17:31:20

stack-subtraction

Time of First Successful Submission: 2026-01-28 02:30:17

swap-stack-values

Time of First Successful Submission: 2026-01-28 02:31:56

average-stack-values

Time of First Successful Submission: 2026-01-28 02:44:47

absolute-jump

Time of First Successful Submission: 2026-01-28 02:50:54

relative-jump

Time of First Successful Submission: 2026-01-28 03:04:49

jump-trampoline

Time of First Successful Submission: 2026-01-28 03:06:56

conditional-jump

Time of First Successful Submission: 2026-01-28 04:09:43

indirect-jump

Time of First Successful Submission: 2026-01-28 23:03:44

average-loop

Time of First Successful Submission: 2026-01-28 23:12:12

count-non-zero

Time of First Successful Submission: 2026-01-28 23:53:00

string-lower

Time of First Successful Submission: 2026-01-29 00:53:54

most-common-byte

Time of First Successful Submission: 2026-01-31 01:27:37

Exit

Time of First Successful Submission: 2026-02-03 19:43:36

Socket

Time of First Successful Submission: 2026-02-07 19:51:11

Bind

Time of First Successful Submission: 2026-02-07 21:01:42

Listen

Time of First Successful Submission: 2026-02-08 01:42:36

Accept

Time of First Successful Submission: 2026-02-08 01:46:14

Static Response

Time of First Successful Submission: 2026-02-08 03:11:02

Dynamic Response

Time of First Successful Submission: 2026-02-08 04:02:49

Iterative GET Server

Time of First Successful Submission: 2026-02-08 04:08:25

Concurrent GET Server

Time of First Successful Submission: 2026-02-08 04:22:44

Concurrent POST Server

Time of First Successful Submission: 2026-02-08 05:16:13

Web Server

Time of First Successful Submission: 2026-02-08 05:26:51

Debugging Programs

Time of First Successful Submission: 2026-01-31 01:38:10

Inspecting Registers

Time of First Successful Submission: 2026-01-31 01:40:21

Examining Memory

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

Setting Breakpoints

Time of First Successful Submission: 2026-02-01 00:50:48

GDB Scripting

Time of First Successful Submission: 2026-02-01 01:37:46

Modifying Data

Time of First Successful Submission: 2026-02-01 02:51:43

Modifying Execution

Time of First Successful Submission: 2026-02-01 03:11:23

Broken Functions

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

Playing With Programs

116 / 116 736 / 23364

What's the password?

Time of First Successful Submission: 2026-02-08 06:48:27

... and again!

Time of First Successful Submission: 2026-02-08 06:49:01

Newline Troubles

Time of First Successful Submission: 2026-02-08 06:50:12

Reasoning about files

Time of First Successful Submission: 2026-02-08 06:52:15

Specifying Filenames

Time of First Successful Submission: 2026-02-08 06:54:00

Binary and Hex Encoding

Time of First Successful Submission: 2026-02-08 07:02:06

More Hex

Time of First Successful Submission: 2026-02-08 07:03:53

Decoding Hex

Time of First Successful Submission: 2026-02-08 07:26:46

Decoding Practice

Time of First Successful Submission: 2026-02-08 07:39:01

Encoding Practice

Time of First Successful Submission: 2026-02-08 07:43:41

Hex-encoding ASCII

Time of First Successful Submission: 2026-02-08 07:57:07

Nested Encoding

Time of First Successful Submission: 2026-02-08 08:04:54

Hex-encoding UTF-8

Time of First Successful Submission: 2026-02-08 08:21:20

UTF Mixups

Time of First Successful Submission: 2026-02-08 08:53:24

Modifying Encoded Data

Time of First Successful Submission: 2026-02-08 09:14:55

Decoding Base64

Time of First Successful Submission: 2026-02-08 09:27:49

Encoding Base64

Time of First Successful Submission: 2026-02-08 09:30:15

Dealing with Obfuscation

Time of First Successful Submission: 2026-02-08 09:37:52

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-02-08 09:42:19

Your First HTTP Request

Time of First Successful Submission: 2026-02-08 17:06:56

Reading Flask

Time of First Successful Submission: 2026-02-09 00:40:08

Commented Data

Time of First Successful Submission: 2026-02-09 00:43:16

HTTP Metadata

Time of First Successful Submission: 2026-02-09 00:46:06

HTTP (netcat)

Time of First Successful Submission: 2026-02-09 00:51:18

HTTP Paths (netcat)

Time of First Successful Submission: 2026-02-09 00:52:56

HTTP (curl)

Time of First Successful Submission: 2026-02-09 00:54:19

HTTP (python)

Time of First Successful Submission: 2026-02-09 01:07:08

HTTP Host Header (python)

Time of First Successful Submission: 2026-02-09 01:10:58

HTTP Host Header (curl)

Time of First Successful Submission: 2026-02-09 01:15:30

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-02-09 01:16:34

URL Encoding (netcat)

Time of First Successful Submission: 2026-02-09 01:19:39

HTTP GET Parameters

Time of First Successful Submission: 2026-02-09 01:22:03

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-02-09 01:25:08

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-02-09 01:30:00

HTTP Forms

Time of First Successful Submission: 2026-02-09 01:39:05

HTTP Forms (curl)

Time of First Successful Submission: 2026-02-09 01:42:37

HTTP Forms (netcat)

Time of First Successful Submission: 2026-02-09 01:54:23

HTTP Forms (python)

Time of First Successful Submission: 2026-02-09 02:00:32

HTTP Forms Without Forms

Time of First Successful Submission: 2026-02-09 02:09:05

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-02-09 02:11:05

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-02-09 02:14:03

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-02-09 02:17:35

HTTP Redirects (curl)

Time of First Successful Submission: 2026-02-09 02:18:34

HTTP Redirects (python)

Time of First Successful Submission: 2026-02-09 02:19:38

HTTP Cookies (curl)

Time of First Successful Submission: 2026-02-09 02:29:10

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-02-09 02:30:53

HTTP Cookies (python)

Time of First Successful Submission: 2026-02-09 02:33:22

Server State (python)

Time of First Successful Submission: 2026-02-09 02:35:10

Listening Web

Time of First Successful Submission: 2026-02-09 02:45:25

Speaking Redirects

Time of First Successful Submission: 2026-02-09 02:53:32

JavaScript Redirects

Time of First Successful Submission: 2026-02-09 03:02:55

Including JavaScript

Time of First Successful Submission: 2026-02-09 03:14:52

HTTP (javascript)

Time of First Successful Submission: 2026-02-09 03:28:41

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-02-09 03:34:31

HTTP Forms (javascript)

Time of First Successful Submission: 2026-02-09 03:42:34

cat

Time of First Successful Submission: 2026-02-10 02:36:03

more

Time of First Successful Submission: 2026-02-10 02:37:13

less

Time of First Successful Submission: 2026-02-10 02:37:33

tail

Time of First Successful Submission: 2026-02-10 02:38:18

head

Time of First Successful Submission: 2026-02-10 02:38:38

sort

Time of First Successful Submission: 2026-02-10 02:41:05

vim

Time of First Successful Submission: 2026-02-10 02:43:29

emacs

Time of First Successful Submission: 2026-02-10 02:44:17

nano

Time of First Successful Submission: 2026-02-10 02:44:44

rev

Time of First Successful Submission: 2026-02-10 02:45:29

od

Time of First Successful Submission: 2026-02-10 02:52:26

hd

Time of First Successful Submission: 2026-02-10 02:53:52

xxd

Time of First Successful Submission: 2026-02-10 02:54:59

base32

Time of First Successful Submission: 2026-02-10 02:55:33

base64

Time of First Successful Submission: 2026-02-10 02:56:01

split

Time of First Successful Submission: 2026-02-10 02:56:53

gzip

Time of First Successful Submission: 2026-02-10 03:02:56

bzip2

Time of First Successful Submission: 2026-02-10 03:04:23

zip

Time of First Successful Submission: 2026-02-10 03:08:06

tar

Time of First Successful Submission: 2026-02-10 03:11:29

ar

Time of First Successful Submission: 2026-02-10 03:20:47

cpio

Time of First Successful Submission: 2026-02-10 03:35:24

genisoimage

Time of First Successful Submission: 2026-02-10 03:56:13

env

Time of First Successful Submission: 2026-02-10 03:58:46

find

Time of First Successful Submission: 2026-02-10 04:14:25

make

Time of First Successful Submission: 2026-02-10 04:21:37

nice

Time of First Successful Submission: 2026-02-10 04:22:19

timeout

Time of First Successful Submission: 2026-02-10 04:23:54

stdbuf

Time of First Successful Submission: 2026-02-10 04:25:31

setarch

Time of First Successful Submission: 2026-02-10 04:27:45

watch

Time of First Successful Submission: 2026-02-10 04:28:56

socat

Time of First Successful Submission: 2026-02-10 04:34:31

whiptail

Time of First Successful Submission: 2026-02-10 04:37:20

awk

Time of First Successful Submission: 2026-02-10 04:40:26

sed

Time of First Successful Submission: 2026-02-10 04:41:54

ed

Time of First Successful Submission: 2026-02-10 04:45:28

chown

Time of First Successful Submission: 2026-02-10 04:46:21

chmod

Time of First Successful Submission: 2026-02-10 04:46:43

cp

Time of First Successful Submission: 2026-02-10 04:50:23

mv

Time of First Successful Submission: 2026-02-10 04:57:15

perl

Time of First Successful Submission: 2026-02-10 05:06:10

python

Time of First Successful Submission: 2026-02-10 05:22:01

ruby

Time of First Successful Submission: 2026-02-10 05:23:13

bash

Time of First Successful Submission: 2026-02-10 05:36:06

date

Time of First Successful Submission: 2026-02-10 05:37:59

dmesg

Time of First Successful Submission: 2026-02-10 05:39:47

wc

Time of First Successful Submission: 2026-02-10 05:41:16

gcc

Time of First Successful Submission: 2026-02-10 06:09:05

as

Time of First Successful Submission: 2026-02-10 06:10:28

wget

Time of First Successful Submission: 2026-02-10 06:23:47

ssh-keygen

Time of First Successful Submission: 2026-02-10 07:07:33

SQL Queries

Time of First Successful Submission: 2026-02-10 07:35:03

Filtering SQL

Time of First Successful Submission: 2026-02-10 07:38:07

Choosing Columns

Time of First Successful Submission: 2026-02-10 07:39:41

Exclusionary Filtering

Time of First Successful Submission: 2026-02-10 07:43:46

Filtering Strings

Time of First Successful Submission: 2026-02-10 07:44:59

Filtering on Expressions

Time of First Successful Submission: 2026-02-10 07:47:11

SELECTing Expressions

Time of First Successful Submission: 2026-02-10 07:55:12

Composite Conditions

Time of First Successful Submission: 2026-02-10 07:58:00

Reaching Your LIMITs

Time of First Successful Submission: 2026-02-10 08:01:00

Querying Metadata

Time of First Successful Submission: 2026-02-10 08:05:52

GCA CTF

10 / 104 19190 / 43538

Using the Terminal

Time of First Successful Submission: 2026-01-08 14:20:51

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-08 14:22:38

Using the GUI Desktop

Time of First Successful Submission: 2026-01-08 14:30:30

Pasting into the Desktop

Time of First Successful Submission: 2026-01-08 14:31:54

Restarting Challenges

Time of First Successful Submission: 2026-01-08 14:39:57

Challenge Programs

Time of First Successful Submission: 2026-01-11 14:26:49

The Flag File

Time of First Successful Submission: 2026-01-11 14:27:37

Using Privileged Mode

Time of First Successful Submission: 2026-01-11 14:29:12

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-11 14:30:12

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-11 14:30:35