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31 / 232 9986 / 25738


Triple Dereference

Time of First Successful Submission: 2025-10-16 07:27:53

set-register

Time of First Successful Submission: 2025-10-16 14:11:52

set-multiple-registers

Time of First Successful Submission: 2025-10-16 14:13:24

add-to-register

Time of First Successful Submission: 2025-10-16 14:14:36

linear-equation-registers

Time of First Successful Submission: 2025-10-16 14:18:24

integer-division

Time of First Successful Submission: 2025-10-16 14:30:20

modulo-operation

Time of First Successful Submission: 2025-10-16 15:17:56

set-upper-byte

Time of First Successful Submission: 2025-10-16 15:19:23

efficient-modulo

Time of First Successful Submission: 2025-10-16 15:30:16

byte-extraction

Time of First Successful Submission: 2025-10-17 05:08:48

bitwise-and

Time of First Successful Submission: 2025-10-18 14:53:20

check-even

Time of First Successful Submission: 2025-10-18 15:15:43

memory-read

Time of First Successful Submission: 2025-10-18 15:29:19

memory-write

Time of First Successful Submission: 2025-10-18 15:53:32

memory-increment

Time of First Successful Submission: 2025-10-18 15:59:36

byte-access

Time of First Successful Submission: 2025-10-18 16:06:53

memory-size-access

Time of First Successful Submission: 2025-10-18 16:29:42

little-endian-write

Time of First Successful Submission: 2025-10-19 08:05:49

memory-sum

Time of First Successful Submission: 2025-10-20 08:05:11

stack-subtraction

Time of First Successful Submission: 2025-10-22 04:16:38

swap-stack-values

Time of First Successful Submission: 2025-10-22 07:16:46

average-stack-values

Time of First Successful Submission: 2025-10-23 06:32:47

absolute-jump

Time of First Successful Submission: 2025-10-23 09:34:26

relative-jump

Time of First Successful Submission: 2025-10-27 08:49:19

jump-trampoline

Time of First Successful Submission: 2025-10-27 14:54:47

conditional-jump

Time of First Successful Submission: 2025-10-28 04:31:43

indirect-jump

Time of First Successful Submission: 2025-10-28 12:29:34

average-loop

Time of First Successful Submission: 2025-10-29 13:38:11

count-non-zero

Time of First Successful Submission: 2025-10-29 17:05:09

string-lower

Time of First Successful Submission: 2025-11-13 07:08:21

most-common-byte

Time of First Successful Submission: 2025-11-13 14:16:55


Intro to Programming Languages

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Lecture 1.1. Course Environment

Time of First Successful Submission: 2026-05-27 16:16:38

Commands

Time of First Successful Submission: 2025-10-09 10:16:18

Command Arguments

Time of First Successful Submission: 2025-08-24 08:59:51

Command History

Time of First Successful Submission: 2025-10-09 10:16:45

The Root Path

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

Absolute Paths

Time of First Successful Submission: 2025-10-09 10:17:52

Changing position

Time of First Successful Submission: 2025-10-09 10:18:49

Changing to an Absolute Path

Time of First Successful Submission: 2025-10-09 10:19:32

Relative Paths

Time of First Successful Submission: 2025-10-09 10:25:49

Cat

Time of First Successful Submission: 2025-10-09 11:35:09

Ls

Time of First Successful Submission: 2025-10-09 11:39:57

Ls All

Time of First Successful Submission: 2025-10-09 11:42:39

Find

Time of First Successful Submission: 2025-10-09 11:54:58

Piping Echo

Time of First Successful Submission: 2025-10-10 05:32:34

Piping Stdout

Time of First Successful Submission: 2025-10-10 05:33:45

Piping Stdin

Time of First Successful Submission: 2025-10-10 05:40:02


Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-05-23 06:04:33

Path Traversal 2

Time of First Successful Submission: 2026-05-23 08:33:00

CMDi 1

Time of First Successful Submission: 2026-05-23 09:17:30

CMDi 2

Time of First Successful Submission: 2026-05-23 09:22:34

CMDi 3

Time of First Successful Submission: 2026-05-23 09:32:32

CMDi 4

Time of First Successful Submission: 2026-05-23 09:38:23

CMDi 5

Time of First Successful Submission: 2026-05-23 09:53:13

CMDi 6

Time of First Successful Submission: 2026-05-23 09:56:36

Authentication Bypass 1

Time of First Successful Submission: 2026-05-23 10:34:42

Authentication Bypass 2

Time of First Successful Submission: 2026-05-23 10:48:46

SQLi 1

Time of First Successful Submission: 2026-05-23 11:08:43

SQLi 2

Time of First Successful Submission: 2026-05-24 05:23:10

SQLi 3

Time of First Successful Submission: 2026-05-24 05:25:32

SQLi 4

Time of First Successful Submission: 2026-05-24 05:36:09

SQLi 5

Time of First Successful Submission: 2026-05-24 06:11:42

XSS 1

Time of First Successful Submission: 2026-05-26 15:28:14

XSS 2

Time of First Successful Submission: 2026-05-26 15:31:14

XSS 3

Time of First Successful Submission: 2026-05-26 15:41:40

XSS 4

Time of First Successful Submission: 2026-05-26 15:46:34

XSS 5

Time of First Successful Submission: 2026-05-26 15:51:37

XSS 6

Time of First Successful Submission: 2026-05-26 16:03:21

XSS 7

Time of First Successful Submission: 2026-05-26 16:12:13

CSRF 1

Time of First Successful Submission: 2026-05-28 09:06:35

CSRF 2

Time of First Successful Submission: 2026-05-28 09:24:49

CSRF 3

Time of First Successful Submission: 2026-05-28 09:30:04

CSRF 4

Time of First Successful Submission: 2026-05-28 09:47:45

CSRF 5

Time of First Successful Submission: 2026-05-28 09:52:29

Connect

Time of First Successful Submission: 2026-05-28 11:46:34

Send

Time of First Successful Submission: 2026-05-28 11:52:40

Shutdown

Time of First Successful Submission: 2026-05-28 11:55:53

Listen

Time of First Successful Submission: 2026-05-28 12:01:23

Scan 1

Time of First Successful Submission: 2026-05-28 12:22:27

Scan 2

Time of First Successful Submission: 2026-05-28 13:33:13

Monitor 1

Time of First Successful Submission: 2026-05-28 13:58:30

Monitor 2

Time of First Successful Submission: 2026-05-28 14:03:50

Sniffing Cookies

Time of First Successful Submission: 2026-05-28 16:05:27

Network Configuration

Time of First Successful Submission: 2026-05-28 16:11:34

Firewall 1

Time of First Successful Submission: 2026-05-28 16:20:36

Firewall 2

Time of First Successful Submission: 2026-05-28 16:22:12

Firewall 3

Time of First Successful Submission: 2026-05-28 16:45:59

Denial of Service 1

Time of First Successful Submission: 2026-05-28 16:54:11

Denial of Service 2

Time of First Successful Submission: 2026-05-28 17:00:38

Denial of Service 3

Time of First Successful Submission: 2026-05-28 17:31:36

Ethernet

Time of First Successful Submission: 2026-05-29 09:22:26

IP

Time of First Successful Submission: 2026-05-29 09:24:21

TCP

Time of First Successful Submission: 2026-05-29 09:40:17

TCP Handshake

Time of First Successful Submission: 2026-05-29 12:31:26

UDP

Time of First Successful Submission: 2026-05-29 16:11:16

UDP 2

Time of First Successful Submission: 2026-05-30 06:40:47

UDP Spoofing 1

Time of First Successful Submission: 2026-05-30 07:41:48

UDP Spoofing 2

Time of First Successful Submission: 2026-06-05 16:08:16

UDP Spoofing 3

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

UDP Spoofing 4

Time of First Successful Submission: 2026-06-06 07:49:48

ARP

Time of First Successful Submission: 2026-06-06 07:51:04

Intercept

Time of First Successful Submission: 2026-06-06 08:44:19

Man-in-the-Middle

Time of First Successful Submission: 2026-06-07 08:37:51

XOR

Time of First Successful Submission: 2026-06-07 07:32:37

XORing Hex

Time of First Successful Submission: 2026-06-07 08:05:09

XORing ASCII

Time of First Successful Submission: 2026-06-07 08:14:36

XORing ASCII Strings

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

One-time Pad

Time of First Successful Submission: 2026-06-08 14:13:19

One-time Pad Tampering

Time of First Successful Submission: 2026-06-08 14:17:19

Many-time Pad

Time of First Successful Submission: 2026-06-08 14:29:16

AES

Time of First Successful Submission: 2026-06-08 14:41:12


Start Here

11 / 12 6960 / 48680


Using the Terminal

Time of First Successful Submission: 2025-08-24 07:28:08

Using the VSCode Workspace

Time of First Successful Submission: 2025-08-24 07:32:24

Using the GUI Desktop

Time of First Successful Submission: 2025-08-24 07:34:30

Pasting into the Desktop

Time of First Successful Submission: 2025-08-24 07:35:38

Restarting Challenges

Time of First Successful Submission: 2025-08-24 07:38:17

Challenge Programs

Time of First Successful Submission: 2025-08-24 07:46:31

The Flag File

Time of First Successful Submission: 2025-08-24 07:48:30

Using Privileged Mode

Time of First Successful Submission: 2025-08-24 07:50:52

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-15 05:17:12

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-15 05:17:43


Linux Luminarium

128 / 128 311 / 36164


Intro to Commands

Time of First Successful Submission: 2025-10-09 10:16:18

Intro to Arguments

Time of First Successful Submission: 2025-08-24 08:59:51

Command History

Time of First Successful Submission: 2025-10-09 10:16:45

The Root

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

Program and absolute paths

Time of First Successful Submission: 2025-10-09 10:17:52

Position thy self

Time of First Successful Submission: 2025-10-09 10:18:49

Position elsewhere

Time of First Successful Submission: 2025-10-09 10:19:32

implicit relative paths, from /

Time of First Successful Submission: 2025-10-09 10:25:49

explicit relative paths, from /

Time of First Successful Submission: 2025-10-09 10:27:28

implicit relative path

Time of First Successful Submission: 2025-10-09 10:29:25

home sweet home

Time of First Successful Submission: 2025-10-09 10:32:46

cat: not the pet, but the command!

Time of First Successful Submission: 2025-10-09 11:35:09

catting absolute paths

Time of First Successful Submission: 2025-10-09 11:35:46

more catting practice

Time of First Successful Submission: 2025-10-09 11:36:31

grepping for a needle in a haystack

Time of First Successful Submission: 2025-10-09 11:37:44

comparing files

Time of First Successful Submission: 2025-10-09 11:39:22

listing files

Time of First Successful Submission: 2025-10-09 11:39:57

touching files

Time of First Successful Submission: 2025-10-09 11:40:35

removing files

Time of First Successful Submission: 2025-10-09 11:41:13

moving files

Time of First Successful Submission: 2025-10-09 11:41:55

copying files

Time of First Successful Submission: 2025-11-13 14:46:50

hidden files

Time of First Successful Submission: 2025-10-09 11:42:39

An Epic Filesystem Quest

Time of First Successful Submission: 2025-10-09 11:49:27

making directories

Time of First Successful Submission: 2025-10-09 11:50:15

finding files

Time of First Successful Submission: 2025-10-09 11:54:58

linking files

Time of First Successful Submission: 2025-10-09 12:05:36

Learning From Documentation

Time of First Successful Submission: 2025-10-09 12:55:00

Learning Complex Usage

Time of First Successful Submission: 2025-10-09 12:58:06

Reading Manuals

Time of First Successful Submission: 2025-10-09 13:05:17

Searching Manuals

Time of First Successful Submission: 2025-10-09 13:09:41

Searching For Manuals

Time of First Successful Submission: 2025-10-09 13:23:13

Helpful Programs

Time of First Successful Submission: 2025-10-09 13:24:19

Help for Builtins

Time of First Successful Submission: 2025-10-09 13:25:14

Matching with *

Time of First Successful Submission: 2025-10-09 14:06:17

Matching with ?

Time of First Successful Submission: 2025-10-10 05:12:28

Matching with []

Time of First Successful Submission: 2025-10-10 05:16:50

Matching paths with []

Time of First Successful Submission: 2025-10-10 05:17:47

Multiple globs

Time of First Successful Submission: 2025-10-10 05:18:59

Mixing globs

Time of First Successful Submission: 2025-10-10 05:23:12

Exclusionary globbing

Time of First Successful Submission: 2025-10-10 05:25:14

Tab completion

Time of First Successful Submission: 2025-10-10 05:26:15

Multiple options for tab completion

Time of First Successful Submission: 2025-10-10 05:30:24

Tab completion on commands

Time of First Successful Submission: 2025-10-10 05:30:56

Redirecting output

Time of First Successful Submission: 2025-10-10 05:32:34

Redirecting more output

Time of First Successful Submission: 2025-10-10 05:33:45

Appending output

Time of First Successful Submission: 2025-10-10 05:35:10

Redirecting errors

Time of First Successful Submission: 2025-10-10 05:37:02

Redirecting input

Time of First Successful Submission: 2025-10-10 05:40:02

Grepping stored results

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

Grepping live output

Time of First Successful Submission: 2025-10-10 05:43:30

Grepping errors

Time of First Successful Submission: 2025-10-10 05:53:15

Filtering with grep -v

Time of First Successful Submission: 2025-10-10 05:54:15

Filtering with sed

Time of First Successful Submission: 2025-11-13 14:48:14

Duplicating piped data with tee

Time of First Successful Submission: 2025-10-10 06:02:18

Process substitution for input

Time of First Successful Submission: 2025-10-10 06:05:06

Writing to multiple programs

Time of First Successful Submission: 2025-10-12 07:48:33

Split-piping stderr and stdout

Time of First Successful Submission: 2025-10-12 16:14:34

Named pipes

Time of First Successful Submission: 2025-10-13 09:40:12

Printing Variables

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

Setting Variables

Time of First Successful Submission: 2025-10-13 11:29:42

Multi-word Variables

Time of First Successful Submission: 2025-10-13 11:31:44

Exporting Variables

Time of First Successful Submission: 2025-10-13 11:34:21

Printing Exported Variables

Time of First Successful Submission: 2025-10-13 11:34:48

Storing Command Output

Time of First Successful Submission: 2025-10-13 11:36:32

Reading Input

Time of First Successful Submission: 2025-10-13 11:37:42

Reading Files

Time of First Successful Submission: 2025-10-13 11:38:54

Translating characters

Time of First Successful Submission: 2025-10-13 11:49:53

Deleting characters

Time of First Successful Submission: 2025-10-13 11:50:54

Deleting newlines

Time of First Successful Submission: 2025-10-13 12:15:19

Extracting the first lines with head

Time of First Successful Submission: 2025-10-13 12:16:23

Extracting specific sections of text

Time of First Successful Submission: 2025-10-13 14:24:53

Sorting data

Time of First Successful Submission: 2025-10-13 14:26:26

Listing Processes

Time of First Successful Submission: 2025-10-13 15:26:44

Killing Processes

Time of First Successful Submission: 2025-10-13 15:27:34

Interrupting Processes

Time of First Successful Submission: 2025-10-13 15:28:14

Killing Misbehaving Processes

Time of First Successful Submission: 2025-10-13 15:35:15

Suspending Processes

Time of First Successful Submission: 2025-10-13 15:36:05

Resuming Processes

Time of First Successful Submission: 2025-10-13 15:36:49

Backgrounding Processes

Time of First Successful Submission: 2025-10-13 15:39:21

Foregrounding Processes

Time of First Successful Submission: 2025-10-13 15:40:44

Starting Backgrounded Processes

Time of First Successful Submission: 2025-10-13 15:41:16

Process Exit Codes

Time of First Successful Submission: 2025-10-13 15:43:11

Becoming root with su

Time of First Successful Submission: 2025-10-13 15:46:02

Other users with su

Time of First Successful Submission: 2025-10-13 15:46:41

Cracking passwords

Time of First Successful Submission: 2025-10-13 15:50:45

Using sudo

Time of First Successful Submission: 2025-10-13 15:51:15

Changing File Ownership

Time of First Successful Submission: 2025-10-15 04:49:46

Groups and Files

Time of First Successful Submission: 2025-10-15 04:50:53

Fun With Groups Names

Time of First Successful Submission: 2025-10-15 04:52:20

Changing Permissions

Time of First Successful Submission: 2025-10-15 04:57:21

Executable Files

Time of First Successful Submission: 2025-10-15 04:57:54

Permission Tweaking Practice

Time of First Successful Submission: 2025-10-15 05:00:49

Permissions Setting Practice

Time of First Successful Submission: 2025-10-15 05:04:23

The SUID Bit

Time of First Successful Submission: 2025-10-15 05:14:58

Chaining with Semicolons

Time of First Successful Submission: 2025-10-15 06:29:44

Building on Success

Time of First Successful Submission: 2025-10-15 06:31:02

Handling Failure

Time of First Successful Submission: 2025-10-15 06:32:07

Your First Shell Script

Time of First Successful Submission: 2025-10-15 06:36:39

Redirecting Script Output

Time of First Successful Submission: 2025-10-15 06:38:30

Executable Shell Scripts

Time of First Successful Submission: 2025-10-15 06:40:32

Understanding Shebangs

Time of First Successful Submission: 2025-10-15 06:43:04

Scripting with Arguments

Time of First Successful Submission: 2025-10-15 07:15:26

Scripting with Conditionals

Time of First Successful Submission: 2025-10-15 07:19:44

Scripting with Default Cases

Time of First Successful Submission: 2025-10-15 07:21:22

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-10-15 07:24:21

Reading Shell Scripts

Time of First Successful Submission: 2025-10-15 07:25:45

Launching Screen

Time of First Successful Submission: 2025-10-15 07:41:52

Detaching and Attaching

Time of First Successful Submission: 2025-10-15 07:43:02

Finding Sessions

Time of First Successful Submission: 2025-10-15 07:48:08

Switching Windows

Time of First Successful Submission: 2025-10-15 08:05:32

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-10-15 08:06:44

Switching Windows (tmux)

Time of First Successful Submission: 2025-10-15 08:09:56

The PATH Variable

Time of First Successful Submission: 2025-10-15 08:20:53

Setting PATH

Time of First Successful Submission: 2025-10-15 08:22:29

Finding Commands

Time of First Successful Submission: 2025-10-15 08:24:34

Adding Commands

Time of First Successful Submission: 2025-10-15 08:48:33

Hijacking Commands

Time of First Successful Submission: 2025-10-15 09:22:13

Bashrc Backdoor

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

Sniffing Input

Time of First Successful Submission: 2025-10-15 10:26:17

Overshared Directories

Time of First Successful Submission: 2025-10-15 10:47:19

Tricky Linking

Time of First Successful Submission: 2025-10-15 11:13:51

Sniffing Process Arguments

Time of First Successful Submission: 2025-10-15 12:44:20

Snooping on Configurations

Time of First Successful Submission: 2025-10-15 12:47:50

The Fork Bomb

Time of First Successful Submission: 2025-10-15 13:23:48

Disk-Space Doomsday

Time of First Successful Submission: 2025-10-15 13:26:25

rm -rf /

Time of First Successful Submission: 2025-10-15 13:32:13

Life after rm -rf /

Time of First Successful Submission: 2025-10-15 13:41:07

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-10-15 13:45:10


Computing 101

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Your First Register

Time of First Successful Submission: 2025-10-08 11:37:02

Your First Syscall

Time of First Successful Submission: 2025-10-08 11:47:01

Exit Codes

Time of First Successful Submission: 2025-10-08 11:54:31

Building Executables

Time of First Successful Submission: 2025-10-09 09:59:10

Moving Between Registers

Time of First Successful Submission: 2025-10-09 10:15:04

Loading From Memory

Time of First Successful Submission: 2025-10-16 05:10:08

More Loading Practice

Time of First Successful Submission: 2025-10-16 05:10:56

Dereferencing Pointers

Time of First Successful Submission: 2025-10-16 05:25:43

Dereferencing Yourself

Time of First Successful Submission: 2025-10-16 05:32:04

Dereferencing with Offsets

Time of First Successful Submission: 2025-10-16 05:32:50

Stored Addresses

Time of First Successful Submission: 2025-10-16 05:34:42

Double Dereference

Time of First Successful Submission: 2025-10-16 07:15:51

The Stack

Time of First Successful Submission: 2026-04-18 12:58:01

Stack Offsets

Time of First Successful Submission: 2026-04-18 13:11:27

Program Arguments on the Stack

Time of First Successful Submission: 2026-04-18 13:32:27

Popping From the Stack

Time of First Successful Submission: 2026-04-18 13:35:36

Disassembling Programs

Time of First Successful Submission: 2026-04-18 13:56:57

Tracing Syscalls

Time of First Successful Submission: 2025-10-15 13:54:44

Starting GDB

Time of First Successful Submission: 2025-10-15 13:55:50

Quitting GDB

Time of First Successful Submission: 2026-04-18 14:09:31

Starting Programs in GDB

Time of First Successful Submission: 2025-10-15 13:56:45

Disassembling in GDB

Time of First Successful Submission: 2026-04-18 14:17:45

Stepping Through Instructions

Time of First Successful Submission: 2026-04-18 14:20:42

Reading Register Values

Time of First Successful Submission: 2026-04-18 14:27:14

Popping Stack Values

Time of First Successful Submission: 2026-04-18 14:30:09

Examining Memory

Time of First Successful Submission: 2026-04-18 15:33:40

Examining Stack Pointers

Time of First Successful Submission: 2026-04-18 15:44:58

Cooperative Debugging

Time of First Successful Submission: 2026-04-18 15:54:38

Writing Output

Time of First Successful Submission: 2025-10-16 11:04:08

Chaining Syscalls

Time of First Successful Submission: 2025-10-16 13:20:07

Writing Strings

Time of First Successful Submission: 2025-10-16 13:51:13

Reading Data

Time of First Successful Submission: 2025-10-16 13:55:08

Opening Files

Time of First Successful Submission: 2026-04-18 16:46:52

Hardcoding the Filename

Time of First Successful Submission: 2026-04-18 16:49:52

Comparing Values

Time of First Successful Submission: 2026-04-18 17:01:11

Comparing Characters

Time of First Successful Submission: 2026-04-19 04:38:00

Conditional Control Flow

Time of First Successful Submission: 2026-04-19 04:56:34

Comparing Strings

Time of First Successful Submission: 2026-04-19 05:05:44

Reverse the Password

Time of First Successful Submission: 2026-04-19 05:10:03

Conditionals Without Conditionals

Time of First Successful Submission: 2026-04-19 06:11:35

Looping

Time of First Successful Submission: 2026-04-19 06:29:24

Reverse the Calculation

Time of First Successful Submission: 2026-04-19 06:49:16

Reverse the Reverse

Time of First Successful Submission: 2026-04-19 06:51:28

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-04-19 06:55:20

Loops on Data

Time of First Successful Submission: 2026-04-19 06:57:30

Exit

Time of First Successful Submission: 2026-04-19 08:03:37

Socket

Time of First Successful Submission: 2026-04-19 09:52:14

Bind

Time of First Successful Submission: 2026-04-28 07:01:02

Listen

Time of First Successful Submission: 2026-04-28 09:15:46

Accept

Time of First Successful Submission: 2026-04-28 09:19:36

Static Response

Time of First Successful Submission: 2026-04-28 09:32:54

Dynamic Response

Time of First Successful Submission: 2026-04-30 14:44:38

Iterative GET Server

Time of First Successful Submission: 2026-04-30 14:51:39

Concurrent GET Server

Time of First Successful Submission: 2026-04-30 14:55:32

Concurrent POST Server

Time of First Successful Submission: 2026-04-30 15:07:48

Web Server

Time of First Successful Submission: 2026-04-30 15:15:59

Debugging Programs

Time of First Successful Submission: 2025-11-13 15:06:32

Inspecting Registers

Time of First Successful Submission: 2025-11-13 15:08:53

Examining Memory

Time of First Successful Submission: 2025-11-13 15:53:17

Setting Breakpoints

Time of First Successful Submission: 2026-05-01 14:31:44

GDB Scripting

Time of First Successful Submission: 2026-05-06 07:03:47

Modifying Data

Time of First Successful Submission: 2026-05-06 07:45:41

Modifying Execution

Time of First Successful Submission: 2026-05-06 07:59:20

Broken Functions

Time of First Successful Submission: 2026-05-06 09:22:44


Playing With Programs

113 / 116 1106 / 24209


What's the password?

Time of First Successful Submission: 2026-05-06 09:27:35

... and again!

Time of First Successful Submission: 2026-05-06 09:28:16

Newline Troubles

Time of First Successful Submission: 2026-05-06 09:31:39

Reasoning about files

Time of First Successful Submission: 2026-05-06 09:33:46

Specifying Filenames

Time of First Successful Submission: 2026-05-06 09:35:11

Binary and Hex Encoding

Time of First Successful Submission: 2026-05-06 09:38:36

More Hex

Time of First Successful Submission: 2026-05-06 09:40:16

Decoding Hex

Time of First Successful Submission: 2026-05-06 09:41:53

Decoding Practice

Time of First Successful Submission: 2026-05-06 09:43:01

Encoding Practice

Time of First Successful Submission: 2026-05-06 09:43:43

Hex-encoding ASCII

Time of First Successful Submission: 2026-05-06 09:44:34

Nested Encoding

Time of First Successful Submission: 2026-05-06 09:45:21

Hex-encoding UTF-8

Time of First Successful Submission: 2026-05-06 09:46:18

UTF Mixups

Time of First Successful Submission: 2026-05-06 09:47:29

Modifying Encoded Data

Time of First Successful Submission: 2026-05-06 09:52:46

Decoding Base64

Time of First Successful Submission: 2026-05-06 09:54:03

Encoding Base64

Time of First Successful Submission: 2026-05-06 09:55:34

Dealing with Obfuscation

Time of First Successful Submission: 2026-05-06 09:57:29

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-05-06 10:01:26

Your First HTTP Request

Time of First Successful Submission: 2026-05-06 10:59:31

Reading Flask

Time of First Successful Submission: 2026-05-06 11:02:17

Commented Data

Time of First Successful Submission: 2026-05-17 08:49:22

HTTP Metadata

Time of First Successful Submission: 2026-05-17 09:57:31

HTTP (netcat)

Time of First Successful Submission: 2026-05-17 10:17:22

HTTP Paths (netcat)

Time of First Successful Submission: 2026-05-17 13:01:03

HTTP (curl)

Time of First Successful Submission: 2026-05-17 13:07:29

HTTP (python)

Time of First Successful Submission: 2026-05-17 13:12:26

HTTP Host Header (python)

Time of First Successful Submission: 2026-05-17 13:23:25

HTTP Host Header (curl)

Time of First Successful Submission: 2026-05-17 13:40:09

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-05-17 13:46:24

URL Encoding (netcat)

Time of First Successful Submission: 2026-05-17 16:54:55

HTTP GET Parameters

Time of First Successful Submission: 2026-05-17 17:05:09

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-05-17 17:10:38

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-05-17 17:15:42

HTTP Forms

Time of First Successful Submission: 2026-05-17 17:21:50

HTTP Forms (curl)

Time of First Successful Submission: 2026-05-17 17:26:19

HTTP Forms (netcat)

Time of First Successful Submission: 2026-05-17 17:37:07

HTTP Forms (python)

Time of First Successful Submission: 2026-05-18 13:13:15

HTTP Forms Without Forms

Time of First Successful Submission: 2026-05-18 13:22:33

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-05-18 13:24:24

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-05-18 13:32:04

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-05-18 13:37:36

HTTP Redirects (curl)

Time of First Successful Submission: 2026-05-18 13:40:21

HTTP Redirects (python)

Time of First Successful Submission: 2026-05-18 13:42:16

HTTP Cookies (curl)

Time of First Successful Submission: 2026-05-18 13:52:34

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-05-18 14:00:09

HTTP Cookies (python)

Time of First Successful Submission: 2026-05-18 14:02:00

Server State (python)

Time of First Successful Submission: 2026-05-18 14:04:11

Listening Web

Time of First Successful Submission: 2026-05-18 14:08:28

Speaking Redirects

Time of First Successful Submission: 2026-05-18 14:35:42

JavaScript Redirects

Time of First Successful Submission: 2026-05-18 15:09:58

Including JavaScript

Time of First Successful Submission: 2026-05-18 15:13:46

HTTP (javascript)

Time of First Successful Submission: 2026-05-18 15:35:47

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-05-18 15:38:53

HTTP Forms (javascript)

Time of First Successful Submission: 2026-05-18 15:43:01

cat

Time of First Successful Submission: 2026-05-18 15:45:02

more

Time of First Successful Submission: 2026-05-18 15:45:33

less

Time of First Successful Submission: 2026-05-18 15:46:20

tail

Time of First Successful Submission: 2026-05-18 15:46:57

head

Time of First Successful Submission: 2026-05-18 15:47:40

sort

Time of First Successful Submission: 2026-05-18 15:48:28

vim

Time of First Successful Submission: 2026-05-18 15:49:10

emacs

Time of First Successful Submission: 2026-05-18 15:49:45

nano

Time of First Successful Submission: 2026-05-18 15:50:56

rev

Time of First Successful Submission: 2026-05-18 15:51:33

od

Time of First Successful Submission: 2026-05-18 15:54:26

hd

Time of First Successful Submission: 2026-05-18 16:06:38

xxd

Time of First Successful Submission: 2026-05-18 16:07:13

base32

Time of First Successful Submission: 2026-05-18 16:09:28

base64

Time of First Successful Submission: 2026-05-18 16:10:15

split

Time of First Successful Submission: 2026-05-18 16:12:26

gzip

Time of First Successful Submission: 2026-05-18 16:15:31

bzip2

Time of First Successful Submission: 2026-05-18 16:17:22

zip

Time of First Successful Submission: 2026-05-18 16:19:30

tar

Time of First Successful Submission: 2026-05-19 13:40:27

ar

Time of First Successful Submission: 2026-05-19 13:47:38

cpio

Time of First Successful Submission: 2026-05-19 13:53:22

genisoimage

Time of First Successful Submission: 2026-05-19 16:33:42

env

Time of First Successful Submission: 2026-05-19 14:32:08

find

Time of First Successful Submission: 2026-05-19 14:34:10

make

Time of First Successful Submission: 2026-05-19 14:58:12

nice

Time of First Successful Submission: 2026-05-19 14:58:57

timeout

Time of First Successful Submission: 2026-05-19 14:59:47

stdbuf

Time of First Successful Submission: 2026-05-19 15:00:28

setarch

Time of First Successful Submission: 2026-05-19 15:01:08

watch

Time of First Successful Submission: 2026-05-19 15:06:01

socat

Time of First Successful Submission: 2026-05-19 15:07:32

awk

Time of First Successful Submission: 2026-05-19 15:14:12

sed

Time of First Successful Submission: 2026-05-19 15:15:46

ed

Time of First Successful Submission: 2026-05-19 15:16:58

chown

Time of First Successful Submission: 2026-05-19 15:17:50

chmod

Time of First Successful Submission: 2026-05-19 15:18:20

cp

Time of First Successful Submission: 2026-05-19 15:28:46

perl

Time of First Successful Submission: 2026-05-19 15:55:31

python

Time of First Successful Submission: 2026-05-19 15:57:43

ruby

Time of First Successful Submission: 2026-05-19 15:59:30

bash

Time of First Successful Submission: 2026-05-19 16:12:21

date

Time of First Successful Submission: 2026-05-19 16:05:26

dmesg

Time of First Successful Submission: 2026-05-19 16:15:07

wc

Time of First Successful Submission: 2026-05-19 16:18:43

gcc

Time of First Successful Submission: 2026-05-19 16:41:17

as

Time of First Successful Submission: 2026-05-19 16:25:12

ssh-keygen

Time of First Successful Submission: 2026-05-19 16:32:25

SQL Queries

Time of First Successful Submission: 2026-05-19 16:47:46

Filtering SQL

Time of First Successful Submission: 2026-05-19 16:50:06

Choosing Columns

Time of First Successful Submission: 2026-05-19 16:53:03

Exclusionary Filtering

Time of First Successful Submission: 2026-05-19 16:54:46

Filtering Strings

Time of First Successful Submission: 2026-05-19 16:57:55

Filtering on Expressions

Time of First Successful Submission: 2026-05-19 17:00:26

SELECTing Expressions

Time of First Successful Submission: 2026-05-19 17:10:22

Composite Conditions

Time of First Successful Submission: 2026-05-19 17:11:28

Reaching Your LIMITs

Time of First Successful Submission: 2026-05-19 17:13:00

Querying Metadata

Time of First Successful Submission: 2026-05-19 17:15:38


DSU Cyber Camps

11 / 104 7180 / 48974


Using the Terminal

Time of First Successful Submission: 2025-08-24 07:28:08

Using the VSCode Workspace

Time of First Successful Submission: 2025-08-24 07:32:24

Using the GUI Desktop

Time of First Successful Submission: 2025-08-24 07:34:30

Pasting into the Desktop

Time of First Successful Submission: 2025-08-24 07:35:38

Restarting Challenges

Time of First Successful Submission: 2025-08-24 07:38:17

Getting Help

Time of First Successful Submission: 2025-08-24 08:48:28

Challenge Programs

Time of First Successful Submission: 2025-08-24 07:46:31

The Flag File

Time of First Successful Submission: 2025-08-24 07:48:30

Using Privileged Mode

Time of First Successful Submission: 2025-08-24 07:50:52

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-15 05:17:12

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-15 05:17:43


GCA CTF

11 / 104 7181 / 48974


Using the Terminal

Time of First Successful Submission: 2025-08-24 07:28:08

Using the VSCode Workspace

Time of First Successful Submission: 2025-08-24 07:32:24

Using the GUI Desktop

Time of First Successful Submission: 2025-08-24 07:34:30

Pasting into the Desktop

Time of First Successful Submission: 2025-08-24 07:35:38

Restarting Challenges

Time of First Successful Submission: 2025-08-24 07:38:17

Getting Help

Time of First Successful Submission: 2025-08-24 08:48:28

Challenge Programs

Time of First Successful Submission: 2025-08-24 07:46:31

The Flag File

Time of First Successful Submission: 2025-08-24 07:48:30

Using Privileged Mode

Time of First Successful Submission: 2025-08-24 07:50:52

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-15 05:17:12

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-15 05:17:43