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Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-05-27 03:14:21

Command Arguments

Time of First Successful Submission: 2026-05-27 03:14:59

Command History

Time of First Successful Submission: 2026-05-27 03:15:27

The Root Path

Time of First Successful Submission: 2026-05-27 03:16:39

Absolute Paths

Time of First Successful Submission: 2026-05-27 03:17:29

Changing position

Time of First Successful Submission: 2026-05-27 03:18:09

Changing to an Absolute Path

Time of First Successful Submission: 2026-05-27 03:19:16

Relative Paths

Time of First Successful Submission: 2026-05-27 03:20:50

Cat

Time of First Successful Submission: 2026-05-27 03:26:40

Ls

Time of First Successful Submission: 2026-05-27 03:29:58

Ls All

Time of First Successful Submission: 2026-05-27 03:33:35

Find

Time of First Successful Submission: 2026-05-27 03:41:27

Piping Echo

Time of First Successful Submission: 2026-06-01 05:40:46

Piping Stdout

Time of First Successful Submission: 2026-06-01 05:41:47

Piping Stdin

Time of First Successful Submission: 2026-06-01 05:48:20


Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-05-19 03:06:34

Path Traversal 2

Time of First Successful Submission: 2026-05-19 03:35:25

CMDi 1

Time of First Successful Submission: 2026-05-19 04:04:23

CMDi 2

Time of First Successful Submission: 2026-05-19 04:08:24

CMDi 3

Time of First Successful Submission: 2026-05-19 04:24:37

CMDi 4

Time of First Successful Submission: 2026-05-19 04:31:18

CMDi 5

Time of First Successful Submission: 2026-05-19 04:47:28

CMDi 6

Time of First Successful Submission: 2026-05-19 04:52:59

Authentication Bypass 1

Time of First Successful Submission: 2026-05-19 08:06:12

Authentication Bypass 2

Time of First Successful Submission: 2026-05-19 08:36:31

SQLi 1

Time of First Successful Submission: 2026-05-19 09:27:26

SQLi 2

Time of First Successful Submission: 2026-05-19 09:44:34

SQLi 3

Time of First Successful Submission: 2026-05-19 09:55:30

SQLi 4

Time of First Successful Submission: 2026-05-19 16:35:27

SQLi 5

Time of First Successful Submission: 2026-05-19 17:58:13

XSS 1

Time of First Successful Submission: 2026-05-20 03:12:52

XSS 2

Time of First Successful Submission: 2026-05-20 03:25:15

XSS 3

Time of First Successful Submission: 2026-05-20 03:47:52

XSS 4

Time of First Successful Submission: 2026-05-22 03:46:36

XSS 5

Time of First Successful Submission: 2026-05-22 05:38:12

XSS 6

Time of First Successful Submission: 2026-05-22 05:55:15

XSS 7

Time of First Successful Submission: 2026-05-22 07:59:20

CSRF 1

Time of First Successful Submission: 2026-05-23 03:49:31

CSRF 2

Time of First Successful Submission: 2026-05-23 04:15:00

CSRF 3

Time of First Successful Submission: 2026-05-23 06:47:14

CSRF 4

Time of First Successful Submission: 2026-05-23 06:59:50

CSRF 5

Time of First Successful Submission: 2026-05-23 07:41:56

Connect

Time of First Successful Submission: 2026-05-23 07:50:59

Send

Time of First Successful Submission: 2026-05-23 07:52:08

Shutdown

Time of First Successful Submission: 2026-05-23 08:33:18

Listen

Time of First Successful Submission: 2026-05-23 08:36:36

Scan 1

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

Scan 2

Time of First Successful Submission: 2026-05-23 09:36:41

Monitor 1

Time of First Successful Submission: 2026-05-23 13:11:09

Monitor 2

Time of First Successful Submission: 2026-05-23 13:14:57

Sniffing Cookies

Time of First Successful Submission: 2026-05-23 13:43:54

Network Configuration

Time of First Successful Submission: 2026-05-23 13:55:51

Firewall 1

Time of First Successful Submission: 2026-05-23 14:20:21

Firewall 2

Time of First Successful Submission: 2026-05-23 14:22:47

Firewall 3

Time of First Successful Submission: 2026-05-23 14:30:27

Denial of Service 1

Time of First Successful Submission: 2026-05-23 16:24:24

Denial of Service 2

Time of First Successful Submission: 2026-05-23 16:51:06

Denial of Service 3

Time of First Successful Submission: 2026-05-23 17:43:00

Ethernet

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

IP

Time of First Successful Submission: 2026-05-24 09:33:19

TCP

Time of First Successful Submission: 2026-05-24 14:34:11

TCP Handshake

Time of First Successful Submission: 2026-05-26 03:19:07

UDP

Time of First Successful Submission: 2026-05-26 03:40:26

UDP 2

Time of First Successful Submission: 2026-05-26 03:57:28

UDP Spoofing 1

Time of First Successful Submission: 2026-05-26 03:55:21

UDP Spoofing 2

Time of First Successful Submission: 2026-05-26 05:43:03

UDP Spoofing 3

Time of First Successful Submission: 2026-05-26 06:08:43

UDP Spoofing 4

Time of First Successful Submission: 2026-05-26 06:14:59

ARP

Time of First Successful Submission: 2026-05-26 06:40:48

Intercept

Time of First Successful Submission: 2026-05-26 16:42:48

Man-in-the-Middle

Time of First Successful Submission: 2026-05-27 02:58:25


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-04-27 09:23:14

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-27 03:06:45

Using the GUI Desktop

Time of First Successful Submission: 2026-05-27 03:07:37

Pasting into the Desktop

Time of First Successful Submission: 2026-05-27 03:08:42

Restarting Challenges

Time of First Successful Submission: 2026-05-27 03:10:02

Challenge Programs

Time of First Successful Submission: 2026-04-27 09:24:25

The Flag File

Time of First Successful Submission: 2026-05-27 03:05:29

Using Privileged Mode

Time of First Successful Submission: 2026-04-27 10:29:53

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-27 03:11:44

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-27 03:12:35


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-05-27 03:14:21

Intro to Arguments

Time of First Successful Submission: 2026-05-27 03:14:59

Command History

Time of First Successful Submission: 2026-05-27 03:15:27

The Root

Time of First Successful Submission: 2026-05-27 03:16:39

Program and absolute paths

Time of First Successful Submission: 2026-05-27 03:17:29

Position thy self

Time of First Successful Submission: 2026-05-27 03:18:09

Position elsewhere

Time of First Successful Submission: 2026-05-27 03:19:16

implicit relative paths, from /

Time of First Successful Submission: 2026-05-27 03:20:50

explicit relative paths, from /

Time of First Successful Submission: 2026-05-27 03:21:28

implicit relative path

Time of First Successful Submission: 2026-05-27 03:22:05

home sweet home

Time of First Successful Submission: 2026-05-27 03:24:19

cat: not the pet, but the command!

Time of First Successful Submission: 2026-05-27 03:26:40

catting absolute paths

Time of First Successful Submission: 2026-05-27 03:27:05

more catting practice

Time of First Successful Submission: 2026-05-27 03:27:51

grepping for a needle in a haystack

Time of First Successful Submission: 2026-05-27 03:28:24

comparing files

Time of First Successful Submission: 2026-05-27 03:29:13

listing files

Time of First Successful Submission: 2026-05-27 03:29:58

touching files

Time of First Successful Submission: 2026-05-27 03:30:49

removing files

Time of First Successful Submission: 2026-05-27 03:31:26

moving files

Time of First Successful Submission: 2026-05-27 03:32:15

copying files

Time of First Successful Submission: 2026-05-27 03:33:00

hidden files

Time of First Successful Submission: 2026-05-27 03:33:35

An Epic Filesystem Quest

Time of First Successful Submission: 2026-05-27 03:38:07

making directories

Time of First Successful Submission: 2026-05-27 03:38:44

finding files

Time of First Successful Submission: 2026-05-27 03:41:27

linking files

Time of First Successful Submission: 2026-05-27 03:43:22

Learning From Documentation

Time of First Successful Submission: 2026-05-27 06:43:50

Learning Complex Usage

Time of First Successful Submission: 2026-05-27 06:57:23

Reading Manuals

Time of First Successful Submission: 2026-05-27 06:58:51

Searching Manuals

Time of First Successful Submission: 2026-05-27 07:01:20

Searching For Manuals

Time of First Successful Submission: 2026-05-27 07:08:51

Helpful Programs

Time of First Successful Submission: 2026-05-27 07:10:09

Help for Builtins

Time of First Successful Submission: 2026-05-27 07:13:22

Matching with *

Time of First Successful Submission: 2026-05-30 09:26:07

Matching with ?

Time of First Successful Submission: 2026-05-30 09:27:14

Matching with []

Time of First Successful Submission: 2026-06-01 05:20:45

Matching paths with []

Time of First Successful Submission: 2026-06-01 05:22:07

Multiple globs

Time of First Successful Submission: 2026-06-01 05:24:14

Mixing globs

Time of First Successful Submission: 2026-06-01 05:33:57

Exclusionary globbing

Time of First Successful Submission: 2026-06-01 05:35:12

Tab completion

Time of First Successful Submission: 2026-06-01 05:35:52

Multiple options for tab completion

Time of First Successful Submission: 2026-06-01 05:38:01

Tab completion on commands

Time of First Successful Submission: 2026-06-01 05:38:39

Redirecting output

Time of First Successful Submission: 2026-06-01 05:40:46

Redirecting more output

Time of First Successful Submission: 2026-06-01 05:41:47

Appending output

Time of First Successful Submission: 2026-06-01 05:43:10

Redirecting errors

Time of First Successful Submission: 2026-06-01 05:46:48

Redirecting input

Time of First Successful Submission: 2026-06-01 05:48:20

Grepping stored results

Time of First Successful Submission: 2026-06-01 05:50:02

Grepping live output

Time of First Successful Submission: 2026-06-01 05:50:30

Grepping errors

Time of First Successful Submission: 2026-06-01 05:51:39

Filtering with grep -v

Time of First Successful Submission: 2026-06-01 05:52:21

Filtering with sed

Time of First Successful Submission: 2026-06-01 05:53:33

Duplicating piped data with tee

Time of First Successful Submission: 2026-06-01 05:57:31

Process substitution for input

Time of First Successful Submission: 2026-06-01 06:03:23

Writing to multiple programs

Time of First Successful Submission: 2026-06-01 06:20:05

Split-piping stderr and stdout

Time of First Successful Submission: 2026-06-01 06:27:56

Named pipes

Time of First Successful Submission: 2026-06-01 06:34:14

Printing Variables

Time of First Successful Submission: 2026-06-01 06:40:05

Setting Variables

Time of First Successful Submission: 2026-06-01 06:41:23

Multi-word Variables

Time of First Successful Submission: 2026-06-01 06:41:51

Exporting Variables

Time of First Successful Submission: 2026-06-01 06:44:21

Printing Exported Variables

Time of First Successful Submission: 2026-06-01 06:45:07

Storing Command Output

Time of First Successful Submission: 2026-06-01 06:47:35

Reading Input

Time of First Successful Submission: 2026-06-01 06:50:11

Reading Files

Time of First Successful Submission: 2026-06-01 06:52:03

Translating characters

Time of First Successful Submission: 2026-06-01 06:55:18

Deleting characters

Time of First Successful Submission: 2026-06-01 06:56:04

Deleting newlines

Time of First Successful Submission: 2026-06-01 06:57:18

Extracting the first lines with head

Time of First Successful Submission: 2026-06-01 07:00:50

Extracting specific sections of text

Time of First Successful Submission: 2026-06-01 07:03:08

Sorting data

Time of First Successful Submission: 2026-06-01 07:05:06

Listing Processes

Time of First Successful Submission: 2026-06-01 07:37:33

Killing Processes

Time of First Successful Submission: 2026-06-01 07:38:34

Interrupting Processes

Time of First Successful Submission: 2026-06-01 07:39:39

Killing Misbehaving Processes

Time of First Successful Submission: 2026-06-01 07:42:26

Suspending Processes

Time of First Successful Submission: 2026-06-01 07:43:02

Resuming Processes

Time of First Successful Submission: 2026-06-01 07:43:34

Backgrounding Processes

Time of First Successful Submission: 2026-06-08 03:09:33

Foregrounding Processes

Time of First Successful Submission: 2026-06-08 03:12:14

Starting Backgrounded Processes

Time of First Successful Submission: 2026-06-08 03:13:03

Process Exit Codes

Time of First Successful Submission: 2026-06-08 03:15:28

Becoming root with su

Time of First Successful Submission: 2026-06-08 03:20:49

Other users with su

Time of First Successful Submission: 2026-06-08 03:21:47

Cracking passwords

Time of First Successful Submission: 2026-06-08 03:24:21

Using sudo

Time of First Successful Submission: 2026-06-08 03:25:24

Changing File Ownership

Time of First Successful Submission: 2026-06-08 03:27:59

Groups and Files

Time of First Successful Submission: 2026-06-08 03:29:41

Fun With Groups Names

Time of First Successful Submission: 2026-06-08 03:32:03

Changing Permissions

Time of First Successful Submission: 2026-06-08 03:33:54

Executable Files

Time of First Successful Submission: 2026-06-08 03:35:12

Permission Tweaking Practice

Time of First Successful Submission: 2026-06-08 03:40:19

Permissions Setting Practice

Time of First Successful Submission: 2026-06-08 03:43:22

The SUID Bit

Time of First Successful Submission: 2026-06-08 03:44:03

Chaining with Semicolons

Time of First Successful Submission: 2026-06-08 03:45:08

Building on Success

Time of First Successful Submission: 2026-06-08 03:46:46

Handling Failure

Time of First Successful Submission: 2026-06-08 03:47:28

Your First Shell Script

Time of First Successful Submission: 2026-06-08 03:49:51

Redirecting Script Output

Time of First Successful Submission: 2026-06-08 03:59:01

Executable Shell Scripts

Time of First Successful Submission: 2026-06-08 04:00:21

Understanding Shebangs

Time of First Successful Submission: 2026-06-08 04:03:31

Scripting with Arguments

Time of First Successful Submission: 2026-06-08 04:07:27

Scripting with Conditionals

Time of First Successful Submission: 2026-06-08 04:17:37

Scripting with Default Cases

Time of First Successful Submission: 2026-06-08 04:18:47

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-06-08 04:20:48

Reading Shell Scripts

Time of First Successful Submission: 2026-06-08 04:22:04

Launching Screen

Time of First Successful Submission: 2026-06-08 05:20:14

Detaching and Attaching

Time of First Successful Submission: 2026-06-08 05:23:12

Finding Sessions

Time of First Successful Submission: 2026-06-08 05:28:24

Switching Windows

Time of First Successful Submission: 2026-06-08 05:33:45

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-06-08 05:38:52

Switching Windows (tmux)

Time of First Successful Submission: 2026-06-08 05:48:01

The PATH Variable

Time of First Successful Submission: 2026-06-08 05:49:56

Setting PATH

Time of First Successful Submission: 2026-06-08 05:54:09

Finding Commands

Time of First Successful Submission: 2026-06-08 05:55:22

Adding Commands

Time of First Successful Submission: 2026-06-08 06:09:24

Hijacking Commands

Time of First Successful Submission: 2026-06-08 06:15:56

Bashrc Backdoor

Time of First Successful Submission: 2026-06-08 06:30:46

Sniffing Input

Time of First Successful Submission: 2026-06-08 07:17:34

Overshared Directories

Time of First Successful Submission: 2026-06-08 07:23:30

Tricky Linking

Time of First Successful Submission: 2026-06-08 07:43:46

Sniffing Process Arguments

Time of First Successful Submission: 2026-06-08 07:49:31

Snooping on Configurations

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

The Fork Bomb

Time of First Successful Submission: 2026-06-08 08:17:40

Disk-Space Doomsday

Time of First Successful Submission: 2026-06-08 08:20:09

rm -rf /

Time of First Successful Submission: 2026-06-08 08:21:48

Life after rm -rf /

Time of First Successful Submission: 2026-06-08 08:26:32

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-06-08 08:29:20


Computing 101

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Your First Register

Time of First Successful Submission: 2026-06-09 04:25:58

Your First Syscall

Time of First Successful Submission: 2026-06-09 05:54:00

Exit Codes

Time of First Successful Submission: 2026-06-09 06:02:07

Building Executables

Time of First Successful Submission: 2026-06-09 12:49:11

Moving Between Registers

Time of First Successful Submission: 2026-06-09 12:52:52

Loading From Memory

Time of First Successful Submission: 2026-06-09 13:05:33

More Loading Practice

Time of First Successful Submission: 2026-06-09 13:14:23

Dereferencing Pointers

Time of First Successful Submission: 2026-06-09 13:20:07

Dereferencing Yourself

Time of First Successful Submission: 2026-06-09 13:25:42

Dereferencing with Offsets

Time of First Successful Submission: 2026-06-09 13:28:34

Stored Addresses

Time of First Successful Submission: 2026-06-09 13:30:34

Double Dereference

Time of First Successful Submission: 2026-06-09 13:33:23

The Stack

Time of First Successful Submission: 2026-06-09 14:07:47

Stack Offsets

Time of First Successful Submission: 2026-06-09 14:11:01

Program Arguments on the Stack

Time of First Successful Submission: 2026-06-09 14:14:46

Popping From the Stack

Time of First Successful Submission: 2026-06-09 14:19:30

Negative Numbers

Time of First Successful Submission: 2026-06-09 14:38:13

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-06-09 14:51:41

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-06-09 15:03:23

Encoding Negatives

Time of First Successful Submission: 2026-06-09 15:06:42

Binary and Hex Encoding

Time of First Successful Submission: 2026-06-09 16:14:55

More Hex

Time of First Successful Submission: 2026-06-09 16:16:22

Decoding Hex

Time of First Successful Submission: 2026-06-09 16:18:46

Mixed Conversions

Time of First Successful Submission: 2026-06-09 16:31:33

Disassembling Programs

Time of First Successful Submission: 2026-06-10 08:02:36

Tracing Syscalls

Time of First Successful Submission: 2026-06-10 08:29:32

Starting GDB

Time of First Successful Submission: 2026-06-10 08:32:06

Quitting GDB

Time of First Successful Submission: 2026-06-10 08:32:51

Starting Programs in GDB

Time of First Successful Submission: 2026-06-10 08:34:23

Disassembling in GDB

Time of First Successful Submission: 2026-06-10 08:35:42

Stepping Through Instructions

Time of First Successful Submission: 2026-06-10 08:38:13

Reading Register Values

Time of First Successful Submission: 2026-06-10 08:40:43

Popping Stack Values

Time of First Successful Submission: 2026-06-10 08:41:52

Examining Memory

Time of First Successful Submission: 2026-06-10 08:44:31

Examining Stack Pointers

Time of First Successful Submission: 2026-06-10 08:46:50

Cooperative Debugging

Time of First Successful Submission: 2026-06-10 08:51:50

Running with Arguments

Time of First Successful Submission: 2026-06-10 08:52:58

Writing Output

Time of First Successful Submission: 2026-06-11 12:04:09

Chaining Syscalls

Time of First Successful Submission: 2026-06-11 12:06:36

Writing Strings

Time of First Successful Submission: 2026-06-11 12:08:40

Reading Data

Time of First Successful Submission: 2026-06-11 12:16:29

Reading Exactly

Time of First Successful Submission: 2026-06-16 12:35:24

Opening Files

Time of First Successful Submission: 2026-06-11 12:23:41

Hardcoding the Filename

Time of First Successful Submission: 2026-06-11 12:27:27

RIP-Relative Strings

Time of First Successful Submission: 2026-06-13 04:11:58

Comparing Values

Time of First Successful Submission: 2026-06-11 13:15:04

Comparing Characters

Time of First Successful Submission: 2026-06-11 13:26:31

Conditional Control Flow

Time of First Successful Submission: 2026-06-12 02:17:36

Comparing Strings

Time of First Successful Submission: 2026-06-12 02:20:07

Reverse the Password

Time of First Successful Submission: 2026-06-12 02:42:34

Conditionals Without Conditionals

Time of First Successful Submission: 2026-06-12 03:15:30

Looping

Time of First Successful Submission: 2026-06-12 04:03:33

Writing From a Shared Library

Time of First Successful Submission: 2026-06-12 05:12:43

Returning a Value

Time of First Successful Submission: 2026-06-12 05:18:03

Calling Through a Pointer

Time of First Successful Submission: 2026-06-12 05:24:23

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-06-12 05:30:49

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-06-12 05:46:51

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-06-12 06:04:20

Sign Extension

Time of First Successful Submission: 2026-06-13 03:54:42

Little-Endian Bytes

Time of First Successful Submission: 2026-06-12 06:22:32

Qword by Qword

Time of First Successful Submission: 2026-06-12 06:28:08

Dword by Dword

Time of First Successful Submission: 2026-06-12 06:37:02

Word by Word

Time of First Successful Submission: 2026-06-12 06:42:40

Byte by Byte

Time of First Successful Submission: 2026-06-12 06:43:47

Cracking a Struct

Time of First Successful Submission: 2026-06-12 06:57:12

Scrambled Struct

Time of First Successful Submission: 2026-06-12 07:05:15

Reverse the Calculation

Time of First Successful Submission: 2026-06-12 07:09:34

Reverse the Reverse

Time of First Successful Submission: 2026-06-12 07:11:25

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-06-12 07:13:17

Even or Odd

Time of First Successful Submission: 2026-06-12 07:23:27

Masking Bits

Time of First Successful Submission: 2026-06-12 07:26:50

Lowercase a String

Time of First Successful Submission: 2026-06-12 07:30:13

Uppercase a String

Time of First Successful Submission: 2026-06-12 07:48:34

Swap Case

Time of First Successful Submission: 2026-06-12 07:59:16

Shifting Left

Time of First Successful Submission: 2026-06-12 08:01:49

Shifting Right

Time of First Successful Submission: 2026-06-12 08:07:42

Loops on Data

Time of First Successful Submission: 2026-06-13 03:50:29

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-06-13 07:31:38

Using Your Own Frame

Time of First Successful Submission: 2026-06-13 14:08:53

Environment Variables on the Stack

Time of First Successful Submission: 2026-06-13 15:18:50

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-06-13 15:49:01

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-06-13 15:56:21

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-06-13 16:11:30

A Single Digit

Time of First Successful Submission: 2026-06-14 02:31:28

Two Digits

Time of First Successful Submission: 2026-06-14 13:55:31

String to Integer

Time of First Successful Submission: 2026-06-14 15:08:06

Negative Numbers

Time of First Successful Submission: 2026-06-14 15:14:46

Where the Number Ends

Time of First Successful Submission: 2026-06-14 15:46:56

A Whole Program

Time of First Successful Submission: 2026-06-14 15:56:00

A Single Digit, Back to Text

Time of First Successful Submission: 2026-06-14 16:04:22

Divide and Remainder

Time of First Successful Submission: 2026-06-14 16:23:02

Drop the Leading Zero

Time of First Successful Submission: 2026-06-14 16:35:21

Integer to String

Time of First Successful Submission: 2026-06-15 03:55:17

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-06-15 05:51:02

Sum Them All

Time of First Successful Submission: 2026-06-15 08:55:34

Addition

Time of First Successful Submission: 2026-06-15 10:25:15

Subtraction

Time of First Successful Submission: 2026-06-15 10:40:01

Multiplication

Time of First Successful Submission: 2026-06-15 10:44:02

Bitwise Operators

Time of First Successful Submission: 2026-06-15 10:54:31

Unary Operators

Time of First Successful Submission: 2026-06-15 12:16:35

Literal Output

Time of First Successful Submission: 2026-06-15 12:43:10

Newline Escapes

Time of First Successful Submission: 2026-06-15 12:56:21

Escaped Syntax

Time of First Successful Submission: 2026-06-15 14:12:47

Decimal Markers

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

Multiple Decimal Markers

Time of First Successful Submission: 2026-06-16 09:03:09

String Markers

Time of First Successful Submission: 2026-06-16 11:07:54

Hex Byte Escapes

Time of First Successful Submission: 2026-06-16 12:29:50

Exit

Time of First Successful Submission: 2026-06-16 12:38:12

Socket

Time of First Successful Submission: 2026-06-17 06:23:19

Bind

Time of First Successful Submission: 2026-06-17 07:17:11

Listen

Time of First Successful Submission: 2026-06-17 07:28:14

Accept

Time of First Successful Submission: 2026-06-17 07:39:23

Static Response

Time of First Successful Submission: 2026-06-17 08:22:35

Dynamic Response

Time of First Successful Submission: 2026-06-17 10:09:34

Iterative GET Server

Time of First Successful Submission: 2026-06-17 10:17:34

Concurrent GET Server

Time of First Successful Submission: 2026-06-17 13:34:21

Concurrent POST Server

Time of First Successful Submission: 2026-06-17 15:42:36

Web Server

Time of First Successful Submission: 2026-06-17 15:49:07

Debugging Programs

Time of First Successful Submission: 2026-06-17 15:58:01

Inspecting Registers

Time of First Successful Submission: 2026-06-17 16:12:40

Examining Memory

Time of First Successful Submission: 2026-06-17 16:38:03


DSU Cyber Camps

10 / 104 21981 / 48380


Using the Terminal

Time of First Successful Submission: 2026-04-27 09:23:14

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-27 03:06:45

Using the GUI Desktop

Time of First Successful Submission: 2026-05-27 03:07:37

Pasting into the Desktop

Time of First Successful Submission: 2026-05-27 03:08:42

Restarting Challenges

Time of First Successful Submission: 2026-05-27 03:10:02

Challenge Programs

Time of First Successful Submission: 2026-04-27 09:24:25

The Flag File

Time of First Successful Submission: 2026-05-27 03:05:29

Using Privileged Mode

Time of First Successful Submission: 2026-04-27 10:29:53

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-27 03:11:44

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-27 03:12:35


GCA CTF

10 / 104 21979 / 48380


Using the Terminal

Time of First Successful Submission: 2026-04-27 09:23:14

Using the VSCode Workspace

Time of First Successful Submission: 2026-05-27 03:06:45

Using the GUI Desktop

Time of First Successful Submission: 2026-05-27 03:07:37

Pasting into the Desktop

Time of First Successful Submission: 2026-05-27 03:08:42

Restarting Challenges

Time of First Successful Submission: 2026-05-27 03:10:02

Challenge Programs

Time of First Successful Submission: 2026-04-27 09:24:25

The Flag File

Time of First Successful Submission: 2026-05-27 03:05:29

Using Privileged Mode

Time of First Successful Submission: 2026-04-27 10:29:53

Persistent Home Directories - One

Time of First Successful Submission: 2026-05-27 03:11:44

Persistent Home Directories - Two

Time of First Successful Submission: 2026-05-27 03:12:35