skiastes [skiastai]

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Algeria

Intro to Programming Languages

15 / 253 7260 / 39538


Commands

Time of First Successful Submission: 2025-12-28 15:50:36

Command Arguments

Time of First Successful Submission: 2025-12-28 16:01:03

Command History

Time of First Successful Submission: 2025-12-28 16:06:29

The Root Path

Time of First Successful Submission: 2025-12-28 16:12:45

Absolute Paths

Time of First Successful Submission: 2025-12-28 16:15:33

Changing position

Time of First Successful Submission: 2025-12-28 16:34:11

Changing to an Absolute Path

Time of First Successful Submission: 2025-12-28 16:36:24

Relative Paths

Time of First Successful Submission: 2025-12-28 16:40:25

Cat

Time of First Successful Submission: 2025-12-28 17:48:40

Ls

Time of First Successful Submission: 2025-12-28 18:04:12

Ls All

Time of First Successful Submission: 2025-12-28 18:14:11

Find

Time of First Successful Submission: 2025-12-28 18:49:59

Piping Echo

Time of First Successful Submission: 2025-12-29 15:47:21

Piping Stdout

Time of First Successful Submission: 2025-12-29 16:04:25

Piping Stdin

Time of First Successful Submission: 2025-12-29 16:48:48


Intro to Cybersecurity

7 / 183 16380 / 22450


Path Traversal 1

Time of First Successful Submission: 2026-08-10 12:08:51

Path Traversal 2

Time of First Successful Submission: 2026-08-10 13:33:20

CMDi 1

Time of First Successful Submission: 2026-08-10 17:41:26

CMDi 2

Time of First Successful Submission: 2026-08-10 18:02:11

CMDi 3

Time of First Successful Submission: 2026-08-10 18:13:15

CMDi 4

Time of First Successful Submission: 2026-08-10 18:51:42

CMDi 5

Time of First Successful Submission: 2026-08-10 19:35:13

CMDi 6

Time of First Successful Submission: 2026-08-10 22:31:06


Start Here

11 / 12 9519 / 54662


Using the Terminal

Time of First Successful Submission: 2025-12-27 20:51:11

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-27 20:56:03

Using the GUI Desktop

Time of First Successful Submission: 2025-12-27 21:03:05

Pasting into the Desktop

Time of First Successful Submission: 2025-12-28 14:36:24

Restarting Challenges

Time of First Successful Submission: 2025-12-28 15:27:09

Challenge Programs

Time of First Successful Submission: 2026-01-02 18:19:03

The Flag File

Time of First Successful Submission: 2026-01-02 18:20:40

Using Privileged Mode

Time of First Successful Submission: 2026-01-02 18:28:34

Persistent Home Directories - One

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

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-02 19:02:24


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2025-12-28 15:50:36

Intro to Arguments

Time of First Successful Submission: 2025-12-28 16:01:03

Command History

Time of First Successful Submission: 2025-12-28 16:06:29

The Root

Time of First Successful Submission: 2025-12-28 16:12:45

Program and absolute paths

Time of First Successful Submission: 2025-12-28 16:15:33

Position thy self

Time of First Successful Submission: 2025-12-28 16:34:11

Position elsewhere

Time of First Successful Submission: 2025-12-28 16:36:24

implicit relative paths, from /

Time of First Successful Submission: 2025-12-28 16:40:25

explicit relative paths, from /

Time of First Successful Submission: 2025-12-28 16:51:55

implicit relative path

Time of First Successful Submission: 2025-12-28 16:54:48

home sweet home

Time of First Successful Submission: 2025-12-28 17:23:35

cat: not the pet, but the command!

Time of First Successful Submission: 2025-12-28 17:48:40

catting absolute paths

Time of First Successful Submission: 2025-12-28 17:51:17

more catting practice

Time of First Successful Submission: 2025-12-28 17:52:55

grepping for a needle in a haystack

Time of First Successful Submission: 2025-12-28 17:55:33

comparing files

Time of First Successful Submission: 2025-12-28 18:02:12

listing files

Time of First Successful Submission: 2025-12-28 18:04:12

touching files

Time of First Successful Submission: 2025-12-28 18:08:32

removing files

Time of First Successful Submission: 2025-12-28 18:09:57

moving files

Time of First Successful Submission: 2025-12-28 18:11:00

copying files

Time of First Successful Submission: 2025-12-28 18:13:02

hidden files

Time of First Successful Submission: 2025-12-28 18:14:11

An Epic Filesystem Quest

Time of First Successful Submission: 2025-12-28 18:41:04

making directories

Time of First Successful Submission: 2025-12-28 18:44:21

finding files

Time of First Successful Submission: 2025-12-28 18:49:59

linking files

Time of First Successful Submission: 2025-12-28 19:14:09

Learning From Documentation

Time of First Successful Submission: 2025-12-28 19:23:45

Learning Complex Usage

Time of First Successful Submission: 2025-12-28 19:36:06

Reading Manuals

Time of First Successful Submission: 2025-12-28 19:43:48

Searching Manuals

Time of First Successful Submission: 2025-12-28 19:46:43

Searching For Manuals

Time of First Successful Submission: 2025-12-28 19:54:18

Helpful Programs

Time of First Successful Submission: 2025-12-28 19:57:57

Help for Builtins

Time of First Successful Submission: 2025-12-28 20:08:46

Matching with *

Time of First Successful Submission: 2025-12-29 12:57:39

Matching with ?

Time of First Successful Submission: 2025-12-29 13:03:10

Matching with []

Time of First Successful Submission: 2025-12-29 13:07:48

Matching paths with []

Time of First Successful Submission: 2025-12-29 13:24:36

Multiple globs

Time of First Successful Submission: 2025-12-29 13:30:32

Mixing globs

Time of First Successful Submission: 2025-12-29 15:10:26

Exclusionary globbing

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

Tab completion

Time of First Successful Submission: 2025-12-29 15:16:06

Multiple options for tab completion

Time of First Successful Submission: 2025-12-29 15:43:00

Tab completion on commands

Time of First Successful Submission: 2025-12-29 15:44:57

Redirecting output

Time of First Successful Submission: 2025-12-29 15:47:21

Redirecting more output

Time of First Successful Submission: 2025-12-29 16:04:25

Appending output

Time of First Successful Submission: 2025-12-29 16:18:10

Redirecting errors

Time of First Successful Submission: 2025-12-29 16:35:12

Redirecting input

Time of First Successful Submission: 2025-12-29 16:48:48

Grepping stored results

Time of First Successful Submission: 2025-12-29 16:50:32

Grepping live output

Time of First Successful Submission: 2025-12-30 11:42:33

Grepping errors

Time of First Successful Submission: 2025-12-30 11:46:13

Filtering with grep -v

Time of First Successful Submission: 2025-12-30 13:37:48

Filtering with sed

Time of First Successful Submission: 2025-12-30 13:42:38

Duplicating piped data with tee

Time of First Successful Submission: 2025-12-30 13:55:45

Process substitution for input

Time of First Successful Submission: 2025-12-30 14:11:35

Writing to multiple programs

Time of First Successful Submission: 2025-12-30 14:37:00

Split-piping stderr and stdout

Time of First Successful Submission: 2025-12-30 15:38:32

Named pipes

Time of First Successful Submission: 2025-12-30 16:18:59

Printing Variables

Time of First Successful Submission: 2025-12-30 16:24:57

Setting Variables

Time of First Successful Submission: 2025-12-30 16:28:25

Multi-word Variables

Time of First Successful Submission: 2025-12-30 16:35:41

Exporting Variables

Time of First Successful Submission: 2025-12-30 16:41:38

Printing Exported Variables

Time of First Successful Submission: 2025-12-30 16:42:58

Storing Command Output

Time of First Successful Submission: 2025-12-30 16:44:40

Reading Input

Time of First Successful Submission: 2025-12-30 16:47:18

Reading Files

Time of First Successful Submission: 2025-12-30 16:59:39

Translating characters

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

Deleting characters

Time of First Successful Submission: 2025-12-31 15:38:28

Deleting newlines

Time of First Successful Submission: 2025-12-31 15:43:09

Extracting the first lines with head

Time of First Successful Submission: 2025-12-31 15:45:48

Extracting specific sections of text

Time of First Successful Submission: 2025-12-31 15:52:06

Sorting data

Time of First Successful Submission: 2025-12-31 15:54:11

Listing Processes

Time of First Successful Submission: 2025-12-31 16:13:36

Killing Processes

Time of First Successful Submission: 2025-12-31 16:19:15

Interrupting Processes

Time of First Successful Submission: 2025-12-31 16:21:28

Killing Misbehaving Processes

Time of First Successful Submission: 2025-12-31 16:41:42

Suspending Processes

Time of First Successful Submission: 2025-12-31 16:51:19

Resuming Processes

Time of First Successful Submission: 2025-12-31 16:52:28

Backgrounding Processes

Time of First Successful Submission: 2025-12-31 16:58:33

Foregrounding Processes

Time of First Successful Submission: 2025-12-31 17:17:50

Starting Backgrounded Processes

Time of First Successful Submission: 2025-12-31 17:19:49

Process Exit Codes

Time of First Successful Submission: 2025-12-31 17:23:12

Becoming root with su

Time of First Successful Submission: 2026-01-01 13:20:52

Other users with su

Time of First Successful Submission: 2026-01-01 13:22:09

Cracking passwords

Time of First Successful Submission: 2026-01-01 13:32:22

Using sudo

Time of First Successful Submission: 2026-01-01 13:37:54

Changing File Ownership

Time of First Successful Submission: 2026-01-02 16:32:27

Groups and Files

Time of First Successful Submission: 2026-01-02 16:38:15

Fun With Groups Names

Time of First Successful Submission: 2026-01-02 16:48:33

Changing Permissions

Time of First Successful Submission: 2026-01-02 17:26:09

Executable Files

Time of First Successful Submission: 2026-01-02 17:31:37

Permission Tweaking Practice

Time of First Successful Submission: 2026-01-02 17:47:41

Permissions Setting Practice

Time of First Successful Submission: 2026-01-02 18:07:00

The SUID Bit

Time of First Successful Submission: 2026-01-02 18:12:33

Chaining with Semicolons

Time of First Successful Submission: 2026-01-02 18:14:21

Building on Success

Time of First Successful Submission: 2026-01-02 18:17:02

Handling Failure

Time of First Successful Submission: 2026-01-04 16:20:25

Your First Shell Script

Time of First Successful Submission: 2026-01-04 16:24:17

Redirecting Script Output

Time of First Successful Submission: 2026-01-04 16:32:10

Executable Shell Scripts

Time of First Successful Submission: 2026-01-04 16:37:34

Understanding Shebangs

Time of First Successful Submission: 2026-01-04 16:43:18

Scripting with Arguments

Time of First Successful Submission: 2026-01-04 17:47:28

Scripting with Conditionals

Time of First Successful Submission: 2026-01-04 18:28:45

Scripting with Default Cases

Time of First Successful Submission: 2026-01-04 18:30:21

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-01-06 19:01:50

Reading Shell Scripts

Time of First Successful Submission: 2026-01-07 15:26:38

Launching Screen

Time of First Successful Submission: 2026-01-07 15:27:40

Detaching and Attaching

Time of First Successful Submission: 2026-01-07 15:32:55

Finding Sessions

Time of First Successful Submission: 2026-01-07 15:35:26

Switching Windows

Time of First Successful Submission: 2026-01-07 15:37:32

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-01-07 16:59:00

Switching Windows (tmux)

Time of First Successful Submission: 2026-01-07 17:49:38

The PATH Variable

Time of First Successful Submission: 2026-01-07 17:58:57

Setting PATH

Time of First Successful Submission: 2026-01-07 18:01:02

Finding Commands

Time of First Successful Submission: 2026-01-07 18:02:55

Adding Commands

Time of First Successful Submission: 2026-01-08 16:12:22

Hijacking Commands

Time of First Successful Submission: 2026-01-08 16:17:47

Bashrc Backdoor

Time of First Successful Submission: 2026-01-08 16:27:35

Sniffing Input

Time of First Successful Submission: 2026-01-08 19:05:07

Overshared Directories

Time of First Successful Submission: 2026-01-08 19:19:37

Tricky Linking

Time of First Successful Submission: 2026-01-08 19:45:33

Sniffing Process Arguments

Time of First Successful Submission: 2026-01-22 15:57:44

Snooping on Configurations

Time of First Successful Submission: 2026-05-16 11:51:09

The Fork Bomb

Time of First Successful Submission: 2026-05-24 23:46:45

Disk-Space Doomsday

Time of First Successful Submission: 2026-05-24 23:58:30

rm -rf /

Time of First Successful Submission: 2026-05-25 00:02:34

Life after rm -rf /

Time of First Successful Submission: 2026-05-25 00:14:34

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-05-25 00:28:58


Computing 101

132 / 132 74 / 21904


Your First Register

Time of First Successful Submission: 2026-05-25 21:37:29

Your First Syscall

Time of First Successful Submission: 2026-05-25 21:44:24

Exit Codes

Time of First Successful Submission: 2026-05-25 21:48:32

Building Executables

Time of First Successful Submission: 2026-05-25 22:13:01

Moving Between Registers

Time of First Successful Submission: 2026-05-25 22:25:14

Loading From Memory

Time of First Successful Submission: 2026-05-26 20:22:06

More Loading Practice

Time of First Successful Submission: 2026-05-27 01:23:11

Dereferencing Pointers

Time of First Successful Submission: 2026-05-27 13:17:51

Dereferencing Yourself

Time of First Successful Submission: 2026-05-27 21:18:31

Dereferencing with Offsets

Time of First Successful Submission: 2026-05-27 21:25:25

Stored Addresses

Time of First Successful Submission: 2026-05-27 21:37:01

Double Dereference

Time of First Successful Submission: 2026-05-27 21:46:25

The Stack

Time of First Successful Submission: 2026-05-28 20:46:59

Stack Offsets

Time of First Successful Submission: 2026-05-28 21:12:00

Program Arguments on the Stack

Time of First Successful Submission: 2026-05-28 21:41:26

Popping From the Stack

Time of First Successful Submission: 2026-05-28 22:29:27

Negative Numbers

Time of First Successful Submission: 2026-06-24 20:15:51

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-06-27 05:31:25

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-06-27 05:37:29

Encoding Negatives

Time of First Successful Submission: 2026-06-27 05:55:22

Binary and Hex Encoding

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

More Hex

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

Decoding Hex

Time of First Successful Submission: 2026-06-27 06:11:36

Mixed Conversions

Time of First Successful Submission: 2026-06-27 06:25:51

Disassembling Programs

Time of First Successful Submission: 2026-05-29 23:30:36

Tracing Syscalls

Time of First Successful Submission: 2026-05-29 23:35:59

Starting GDB

Time of First Successful Submission: 2026-05-29 23:42:38

Quitting GDB

Time of First Successful Submission: 2026-05-29 23:43:23

Starting Programs in GDB

Time of First Successful Submission: 2026-05-30 06:31:34

Disassembling in GDB

Time of First Successful Submission: 2026-05-30 06:33:20

Stepping Through Instructions

Time of First Successful Submission: 2026-05-30 06:44:49

Reading Register Values

Time of First Successful Submission: 2026-05-30 06:46:52

Setting Register Values

Time of First Successful Submission: 2026-07-11 18:04:23

Popping Stack Values

Time of First Successful Submission: 2026-05-30 07:17:37

Examining Memory

Time of First Successful Submission: 2026-05-30 07:24:09

Examining Stack Pointers

Time of First Successful Submission: 2026-05-30 07:41:59

Cooperative Debugging

Time of First Successful Submission: 2026-05-30 08:21:37

Running with Arguments

Time of First Successful Submission: 2026-06-27 06:28:15

Redirecting Input in GDB

Time of First Successful Submission: 2026-06-27 06:33:33

Writing Output

Time of First Successful Submission: 2026-06-27 13:14:55

Chaining Syscalls

Time of First Successful Submission: 2026-06-27 13:22:05

Writing Strings

Time of First Successful Submission: 2026-06-27 13:29:11

Reading Data

Time of First Successful Submission: 2026-06-27 13:46:36

Reading Exactly

Time of First Successful Submission: 2026-06-27 13:55:01

Opening Files

Time of First Successful Submission: 2026-06-27 14:02:30

Hardcoding the Filename

Time of First Successful Submission: 2026-06-27 14:31:09

RIP-Relative Strings

Time of First Successful Submission: 2026-06-27 14:52:46

Comparing Values

Time of First Successful Submission: 2026-06-27 19:04:20

Comparing Characters

Time of First Successful Submission: 2026-06-27 19:17:12

Conditional Control Flow

Time of First Successful Submission: 2026-06-27 20:41:09

Comparing Strings

Time of First Successful Submission: 2026-06-27 20:46:19

Reverse the Password

Time of First Successful Submission: 2026-06-27 20:52:14

Conditionals Without Conditionals

Time of First Successful Submission: 2026-06-28 17:09:40

Recognizing Loops

Time of First Successful Submission: 2026-06-28 18:31:28

Writing Loops

Time of First Successful Submission: 2026-07-10 11:54:06

Writing From a Shared Library

Time of First Successful Submission: 2026-06-28 22:15:08

Returning a Value

Time of First Successful Submission: 2026-06-28 23:05:12

Calling Through a Pointer

Time of First Successful Submission: 2026-06-28 23:08:54

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-06-28 23:20:33

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-06-28 23:50:19

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-06-29 00:01:52

Sign Extension

Time of First Successful Submission: 2026-06-29 11:42:25

Little-Endian Bytes

Time of First Successful Submission: 2026-06-29 11:58:35

Qword by Qword

Time of First Successful Submission: 2026-06-29 12:44:20

Dword by Dword

Time of First Successful Submission: 2026-06-29 13:31:53

Word by Word

Time of First Successful Submission: 2026-06-29 13:44:39

Byte by Byte

Time of First Successful Submission: 2026-06-29 14:12:03

Cracking a Struct

Time of First Successful Submission: 2026-06-29 14:19:58

Scrambled Struct

Time of First Successful Submission: 2026-06-29 14:25:54

Reverse the Calculation

Time of First Successful Submission: 2026-06-29 14:58:29

Reverse the Reverse

Time of First Successful Submission: 2026-06-29 15:00:40

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-06-29 15:12:02

Even or Odd

Time of First Successful Submission: 2026-06-29 15:25:03

Masking Bits

Time of First Successful Submission: 2026-06-29 15:42:26

Lowercase a String

Time of First Successful Submission: 2026-06-29 15:52:49

Uppercase a String

Time of First Successful Submission: 2026-06-29 17:57:47

Swap Case

Time of First Successful Submission: 2026-06-29 18:22:38

Shifting Left

Time of First Successful Submission: 2026-06-29 19:04:53

Shifting Right

Time of First Successful Submission: 2026-06-29 19:13:38

Loops on Data

Time of First Successful Submission: 2026-06-29 19:25:03

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-07-04 14:40:17

Loading Stale Stack Data

Time of First Successful Submission: 2026-07-04 20:07:04

Stealing Stale Stack Data

Time of First Successful Submission: 2026-07-04 22:52:33

Reserving Your Own Frame

Time of First Successful Submission: 2026-07-05 12:52:42

Using Your Own Frame

Time of First Successful Submission: 2026-07-05 17:37:04

Environment Variables on the Stack

Time of First Successful Submission: 2026-07-05 19:07:01

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-07-05 20:07:11

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-07-05 21:26:48

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-07-05 21:57:57

A Single Digit

Time of First Successful Submission: 2026-07-05 23:14:03

Two Digits

Time of First Successful Submission: 2026-07-06 00:19:51

String to Integer

Time of First Successful Submission: 2026-07-06 13:00:47

Negative Numbers

Time of First Successful Submission: 2026-07-06 13:55:58

Where the Number Ends

Time of First Successful Submission: 2026-07-06 15:47:28

A Whole Program

Time of First Successful Submission: 2026-07-06 16:20:58

A Single Digit, Back to Text

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

Divide and Remainder

Time of First Successful Submission: 2026-07-06 21:37:51

Drop the Leading Zero

Time of First Successful Submission: 2026-07-06 21:49:04

Integer to String

Time of First Successful Submission: 2026-07-07 00:35:01

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-07-07 18:10:53

Sum Them All

Time of First Successful Submission: 2026-07-07 23:31:00

Addition

Time of First Successful Submission: 2026-07-10 21:00:43

Subtraction

Time of First Successful Submission: 2026-07-10 21:56:26

Multiplication

Time of First Successful Submission: 2026-07-10 21:58:19

Bitwise Operators

Time of First Successful Submission: 2026-07-10 22:11:44

Unary Operators

Time of First Successful Submission: 2026-07-10 23:00:05

Literal Output

Time of First Successful Submission: 2026-07-11 09:15:01

Newline Escapes

Time of First Successful Submission: 2026-07-11 10:24:56

Escaped Syntax

Time of First Successful Submission: 2026-07-11 15:46:46

Decimal Markers

Time of First Successful Submission: 2026-07-15 06:26:25

Multiple Decimal Markers

Time of First Successful Submission: 2026-07-15 06:43:24

String Markers

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

Hex Byte Escapes

Time of First Successful Submission: 2026-07-15 13:40:03

Debugging Programs

Time of First Successful Submission: 2026-07-15 14:05:24

Inspecting Registers

Time of First Successful Submission: 2026-07-15 14:14:36

Examining Memory

Time of First Successful Submission: 2026-07-16 13:42:32

Setting Breakpoints

Time of First Successful Submission: 2026-07-16 14:26:28

GDB Scripting

Time of First Successful Submission: 2026-07-16 15:13:36

Modifying Data

Time of First Successful Submission: 2026-07-19 20:15:33

Modifying Execution

Time of First Successful Submission: 2026-07-20 13:17:22

Broken Functions

Time of First Successful Submission: 2026-07-20 14:49:44

Exit

Time of First Successful Submission: 2026-07-20 15:11:50

Socket

Time of First Successful Submission: 2026-07-20 18:51:45

Bind

Time of First Successful Submission: 2026-07-20 20:29:00

Listen

Time of First Successful Submission: 2026-07-20 21:10:58

Accept

Time of First Successful Submission: 2026-07-20 22:30:49

Static Response

Time of First Successful Submission: 2026-07-20 23:12:25

Dynamic Response

Time of First Successful Submission: 2026-07-21 14:04:55

Iterative GET Server

Time of First Successful Submission: 2026-07-21 14:46:52

Concurrent GET Server

Time of First Successful Submission: 2026-07-21 18:11:45

Concurrent POST Server

Time of First Successful Submission: 2026-07-21 20:21:49

Web Server

Time of First Successful Submission: 2026-07-21 22:40:31


Playing With Programs

116 / 116 1131 / 24902


What's the password?

Time of First Successful Submission: 2026-07-22 17:55:45

... and again!

Time of First Successful Submission: 2026-07-22 17:56:19

Newline Troubles

Time of First Successful Submission: 2026-07-22 18:25:57

Reasoning about files

Time of First Successful Submission: 2026-07-22 19:06:28

Specifying Filenames

Time of First Successful Submission: 2026-07-22 19:08:19

Binary and Hex Encoding

Time of First Successful Submission: 2026-07-22 20:11:41

More Hex

Time of First Successful Submission: 2026-07-22 20:14:13

Decoding Hex

Time of First Successful Submission: 2026-07-22 22:24:35

Decoding Practice

Time of First Successful Submission: 2026-07-22 23:03:32

Encoding Practice

Time of First Successful Submission: 2026-07-22 23:13:25

Hex-encoding ASCII

Time of First Successful Submission: 2026-07-24 15:46:05

Nested Encoding

Time of First Successful Submission: 2026-07-24 21:08:49

Hex-encoding UTF-8

Time of First Successful Submission: 2026-07-24 21:56:37

UTF Mixups

Time of First Successful Submission: 2026-07-24 22:47:31

Modifying Encoded Data

Time of First Successful Submission: 2026-07-24 23:40:29

Decoding Base64

Time of First Successful Submission: 2026-07-25 11:40:51

Encoding Base64

Time of First Successful Submission: 2026-07-25 11:55:23

Dealing with Obfuscation

Time of First Successful Submission: 2026-07-25 14:13:22

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-07-25 14:55:09

Your First HTTP Request

Time of First Successful Submission: 2026-07-28 06:16:59

Reading Flask

Time of First Successful Submission: 2026-07-30 07:42:50

Commented Data

Time of First Successful Submission: 2026-07-30 07:50:21

HTTP Metadata

Time of First Successful Submission: 2026-07-30 08:25:08

HTTP (netcat)

Time of First Successful Submission: 2026-07-30 09:08:04

HTTP Paths (netcat)

Time of First Successful Submission: 2026-07-30 09:21:55

HTTP (curl)

Time of First Successful Submission: 2026-07-30 09:25:16

HTTP (python)

Time of First Successful Submission: 2026-07-30 18:05:42

HTTP Host Header (python)

Time of First Successful Submission: 2026-07-31 11:15:30

HTTP Host Header (curl)

Time of First Successful Submission: 2026-07-31 13:43:20

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-07-31 14:50:35

URL Encoding (netcat)

Time of First Successful Submission: 2026-07-31 15:15:32

HTTP GET Parameters

Time of First Successful Submission: 2026-07-31 15:56:56

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-07-31 16:03:43

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-07-31 16:15:11

HTTP Forms

Time of First Successful Submission: 2026-07-31 20:05:02

HTTP Forms (curl)

Time of First Successful Submission: 2026-07-31 20:08:16

HTTP Forms (netcat)

Time of First Successful Submission: 2026-08-01 11:24:06

HTTP Forms (python)

Time of First Successful Submission: 2026-08-01 11:29:57

HTTP Forms Without Forms

Time of First Successful Submission: 2026-08-01 12:19:35

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-08-01 12:23:45

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-08-01 12:44:45

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-08-01 14:28:19

HTTP Redirects (curl)

Time of First Successful Submission: 2026-08-01 14:29:58

HTTP Redirects (python)

Time of First Successful Submission: 2026-08-01 14:33:48

HTTP Cookies (curl)

Time of First Successful Submission: 2026-08-01 14:49:06

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-08-01 14:52:32

HTTP Cookies (python)

Time of First Successful Submission: 2026-08-01 14:59:41

Server State (python)

Time of First Successful Submission: 2026-08-01 15:03:28

Listening Web

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

Speaking Redirects

Time of First Successful Submission: 2026-08-02 10:53:29

JavaScript Redirects

Time of First Successful Submission: 2026-08-03 06:41:56

Including JavaScript

Time of First Successful Submission: 2026-08-04 18:56:14

HTTP (javascript)

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

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-08-06 09:18:53

HTTP Forms (javascript)

Time of First Successful Submission: 2026-08-06 09:55:59

cat

Time of First Successful Submission: 2026-08-06 21:23:35

more

Time of First Successful Submission: 2026-08-06 21:24:14

less

Time of First Successful Submission: 2026-08-06 21:26:14

tail

Time of First Successful Submission: 2026-08-06 21:26:35

head

Time of First Successful Submission: 2026-08-06 21:27:05

sort

Time of First Successful Submission: 2026-08-06 21:27:22

vim

Time of First Successful Submission: 2026-08-06 21:28:13

emacs

Time of First Successful Submission: 2026-08-06 21:28:56

nano

Time of First Successful Submission: 2026-08-06 21:29:16

rev

Time of First Successful Submission: 2026-08-06 21:30:15

od

Time of First Successful Submission: 2026-08-06 21:40:03

hd

Time of First Successful Submission: 2026-08-06 22:01:16

xxd

Time of First Successful Submission: 2026-08-06 22:09:50

base32

Time of First Successful Submission: 2026-08-06 22:10:47

base64

Time of First Successful Submission: 2026-08-06 22:11:25

split

Time of First Successful Submission: 2026-08-06 22:13:19

gzip

Time of First Successful Submission: 2026-08-06 22:21:24

bzip2

Time of First Successful Submission: 2026-08-06 22:22:39

zip

Time of First Successful Submission: 2026-08-06 22:32:19

tar

Time of First Successful Submission: 2026-08-06 23:20:10

ar

Time of First Successful Submission: 2026-08-06 23:38:04

cpio

Time of First Successful Submission: 2026-08-06 23:47:08

genisoimage

Time of First Successful Submission: 2026-08-07 12:51:12

env

Time of First Successful Submission: 2026-08-07 13:00:06

find

Time of First Successful Submission: 2026-08-07 13:16:57

make

Time of First Successful Submission: 2026-08-07 13:31:29

nice

Time of First Successful Submission: 2026-08-07 13:44:19

timeout

Time of First Successful Submission: 2026-08-07 13:45:43

stdbuf

Time of First Successful Submission: 2026-08-07 13:49:44

setarch

Time of First Successful Submission: 2026-08-07 13:52:36

watch

Time of First Successful Submission: 2026-08-07 13:55:49

socat

Time of First Successful Submission: 2026-08-07 17:02:06

whiptail

Time of First Successful Submission: 2026-08-07 17:13:47

awk

Time of First Successful Submission: 2026-08-07 17:30:29

sed

Time of First Successful Submission: 2026-08-07 17:41:02

ed

Time of First Successful Submission: 2026-08-07 17:43:42

chown

Time of First Successful Submission: 2026-08-07 17:46:45

chmod

Time of First Successful Submission: 2026-08-07 17:47:28

cp

Time of First Successful Submission: 2026-08-07 17:55:32

mv

Time of First Successful Submission: 2026-08-07 21:48:15

perl

Time of First Successful Submission: 2026-08-07 22:11:55

python

Time of First Successful Submission: 2026-08-07 22:17:04

ruby

Time of First Successful Submission: 2026-08-07 22:21:19

bash

Time of First Successful Submission: 2026-08-07 23:09:54

date

Time of First Successful Submission: 2026-08-07 23:55:21

dmesg

Time of First Successful Submission: 2026-08-08 00:18:22

wc

Time of First Successful Submission: 2026-08-08 00:20:41

gcc

Time of First Successful Submission: 2026-08-08 01:11:59

as

Time of First Successful Submission: 2026-08-08 01:28:52

wget

Time of First Successful Submission: 2026-08-08 15:02:43

ssh-keygen

Time of First Successful Submission: 2026-08-09 05:50:35

SQL Queries

Time of First Successful Submission: 2026-08-09 11:02:53

Filtering SQL

Time of First Successful Submission: 2026-08-09 11:21:16

Choosing Columns

Time of First Successful Submission: 2026-08-09 11:33:44

Exclusionary Filtering

Time of First Successful Submission: 2026-08-09 11:35:00

Filtering Strings

Time of First Successful Submission: 2026-08-09 11:41:30

Filtering on Expressions

Time of First Successful Submission: 2026-08-09 11:59:50

SELECTing Expressions

Time of First Successful Submission: 2026-08-09 13:10:57

Composite Conditions

Time of First Successful Submission: 2026-08-09 18:25:26

Reaching Your LIMITs

Time of First Successful Submission: 2026-08-09 18:30:49

Querying Metadata

Time of First Successful Submission: 2026-08-09 18:57:21


DSU Cyber Camps

11 / 104 9752 / 54977


Using the Terminal

Time of First Successful Submission: 2025-12-27 20:51:11

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-27 20:56:03

Using the GUI Desktop

Time of First Successful Submission: 2025-12-27 21:03:05

Pasting into the Desktop

Time of First Successful Submission: 2025-12-28 14:36:24

Restarting Challenges

Time of First Successful Submission: 2025-12-28 15:27:09

Getting Help

Time of First Successful Submission: 2025-12-28 15:33:35

Challenge Programs

Time of First Successful Submission: 2026-01-02 18:19:03

The Flag File

Time of First Successful Submission: 2026-01-02 18:20:40

Using Privileged Mode

Time of First Successful Submission: 2026-01-02 18:28:34

Persistent Home Directories - One

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

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-02 19:02:24


GCA CTF

11 / 104 9757 / 54977


Using the Terminal

Time of First Successful Submission: 2025-12-27 20:51:11

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-27 20:56:03

Using the GUI Desktop

Time of First Successful Submission: 2025-12-27 21:03:05

Pasting into the Desktop

Time of First Successful Submission: 2025-12-28 14:36:24

Restarting Challenges

Time of First Successful Submission: 2025-12-28 15:27:09

Getting Help

Time of First Successful Submission: 2025-12-28 15:33:35

Challenge Programs

Time of First Successful Submission: 2026-01-02 18:19:03

The Flag File

Time of First Successful Submission: 2026-01-02 18:20:40

Using Privileged Mode

Time of First Successful Submission: 2026-01-02 18:28:34

Persistent Home Directories - One

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

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-02 19:02:24