T3nsh1

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Japan

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-08-17 12:54:56

Command Arguments

Time of First Successful Submission: 2026-08-17 12:55:37

Command History

Time of First Successful Submission: 2026-08-17 12:56:07

The Root Path

Time of First Successful Submission: 2026-08-18 11:43:40

Absolute Paths

Time of First Successful Submission: 2026-08-18 11:44:14

Changing position

Time of First Successful Submission: 2026-08-18 11:47:24

Changing to an Absolute Path

Time of First Successful Submission: 2026-08-18 11:49:09

Relative Paths

Time of First Successful Submission: 2026-08-18 11:51:00

Cat

Time of First Successful Submission: 2026-09-22 13:41:18

Ls

Time of First Successful Submission: 2026-09-22 13:47:07

Ls All

Time of First Successful Submission: 2026-09-22 13:55:15

Find

Time of First Successful Submission: 2026-09-22 14:06:47

Piping Echo

Time of First Successful Submission: 2026-08-18 11:57:32

Piping Stdout

Time of First Successful Submission: 2026-08-18 11:59:15

Piping Stdin

Time of First Successful Submission: 2026-08-18 12:05:13


Intro to Cybersecurity

14 / 183 14937 / 25487


Path Traversal 1

Time of First Successful Submission: 2026-10-13 12:03:52

Path Traversal 2

Time of First Successful Submission: 2026-10-13 12:18:04

CMDi 1

Time of First Successful Submission: 2026-10-13 12:57:42

CMDi 2

Time of First Successful Submission: 2026-10-13 12:59:15

CMDi 3

Time of First Successful Submission: 2026-10-13 13:04:05

CMDi 4

Time of First Successful Submission: 2026-10-13 13:10:43

CMDi 5

Time of First Successful Submission: 2026-10-14 04:46:11

CMDi 6

Time of First Successful Submission: 2026-10-14 09:18:26

Authentication Bypass 1

Time of First Successful Submission: 2026-10-14 09:23:33

Authentication Bypass 2

Time of First Successful Submission: 2026-10-14 09:37:33

SQLi 1

Time of First Successful Submission: 2026-10-14 09:44:47

SQLi 2

Time of First Successful Submission: 2026-10-14 09:47:25

SQLi 3

Time of First Successful Submission: 2026-10-14 09:52:38

SQLi 4

Time of First Successful Submission: 2026-10-14 09:58:04


Start Here

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Using the Terminal

Time of First Successful Submission: 2026-08-14 03:18:52

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-14 03:22:08

Using the GUI Desktop

Time of First Successful Submission: 2026-08-15 05:03:51

Pasting into the Desktop

Time of First Successful Submission: 2026-08-15 05:06:04

Restarting Challenges

Time of First Successful Submission: 2026-08-15 05:22:46

Challenge Programs

Time of First Successful Submission: 2026-08-14 03:24:39

The Flag File

Time of First Successful Submission: 2026-08-14 03:26:25

Using Privileged Mode

Time of First Successful Submission: 2026-08-15 05:27:36

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-15 05:36:46

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-15 05:37:42


Linux Luminarium

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Intro to Commands

Time of First Successful Submission: 2026-08-17 12:54:56

Intro to Arguments

Time of First Successful Submission: 2026-08-17 12:55:37

Command History

Time of First Successful Submission: 2026-08-17 12:56:07

The Root

Time of First Successful Submission: 2026-08-18 11:43:40

Program and absolute paths

Time of First Successful Submission: 2026-08-18 11:44:14

Position thy self

Time of First Successful Submission: 2026-08-18 11:47:24

Position elsewhere

Time of First Successful Submission: 2026-08-18 11:49:09

implicit relative paths, from /

Time of First Successful Submission: 2026-08-18 11:51:00

explicit relative paths, from /

Time of First Successful Submission: 2026-08-18 11:51:53

implicit relative path

Time of First Successful Submission: 2026-08-18 11:52:54

home sweet home

Time of First Successful Submission: 2026-08-18 11:55:23

cat: not the pet, but the command!

Time of First Successful Submission: 2026-09-22 13:41:18

catting absolute paths

Time of First Successful Submission: 2026-09-22 13:42:21

more catting practice

Time of First Successful Submission: 2026-09-22 13:43:10

grepping for a needle in a haystack

Time of First Successful Submission: 2026-09-22 13:43:58

comparing files

Time of First Successful Submission: 2026-09-22 13:46:00

listing files

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touching files

Time of First Successful Submission: 2026-09-22 13:47:44

removing files

Time of First Successful Submission: 2026-09-22 13:49:56

moving files

Time of First Successful Submission: 2026-09-22 13:51:10

copying files

Time of First Successful Submission: 2026-09-22 13:52:37

hidden files

Time of First Successful Submission: 2026-09-22 13:55:15

An Epic Filesystem Quest

Time of First Successful Submission: 2026-09-22 14:03:06

making directories

Time of First Successful Submission: 2026-09-22 14:03:58

finding files

Time of First Successful Submission: 2026-09-22 14:06:47

linking files

Time of First Successful Submission: 2026-09-22 14:16:16

Learning From Documentation

Time of First Successful Submission: 2026-09-23 00:28:26

Learning Complex Usage

Time of First Successful Submission: 2026-09-23 00:30:04

Reading Manuals

Time of First Successful Submission: 2026-09-23 00:33:23

Searching Manuals

Time of First Successful Submission: 2026-09-23 00:34:58

Searching For Manuals

Time of First Successful Submission: 2026-09-23 00:38:45

Helpful Programs

Time of First Successful Submission: 2026-09-23 00:39:47

Help for Builtins

Time of First Successful Submission: 2026-09-23 00:40:59

Matching with *

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Matching with ?

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Matching with []

Time of First Successful Submission: 2026-09-23 00:47:35

Matching paths with []

Time of First Successful Submission: 2026-09-23 00:48:41

Multiple globs

Time of First Successful Submission: 2026-09-23 00:50:36

Mixing globs

Time of First Successful Submission: 2026-09-23 00:53:30

Exclusionary globbing

Time of First Successful Submission: 2026-09-23 00:55:41

Tab completion

Time of First Successful Submission: 2026-09-23 00:58:17

Multiple options for tab completion

Time of First Successful Submission: 2026-09-23 00:59:34

Tab completion on commands

Time of First Successful Submission: 2026-09-23 01:00:19

Redirecting output

Time of First Successful Submission: 2026-08-18 11:57:32

Redirecting more output

Time of First Successful Submission: 2026-08-18 11:59:15

Appending output

Time of First Successful Submission: 2026-08-18 12:01:10

Redirecting errors

Time of First Successful Submission: 2026-08-18 12:03:31

Redirecting input

Time of First Successful Submission: 2026-08-18 12:05:13

Grepping stored results

Time of First Successful Submission: 2026-08-18 12:08:03

Grepping live output

Time of First Successful Submission: 2026-08-18 12:12:39

Grepping errors

Time of First Successful Submission: 2026-08-18 12:14:58

Filtering with grep -v

Time of First Successful Submission: 2026-08-18 12:17:05

Filtering with sed

Time of First Successful Submission: 2026-08-18 12:19:41

Duplicating piped data with tee

Time of First Successful Submission: 2026-08-18 12:27:34

Process substitution for input

Time of First Successful Submission: 2026-08-18 12:33:54

Writing to multiple programs

Time of First Successful Submission: 2026-09-23 01:20:08

Split-piping stderr and stdout

Time of First Successful Submission: 2026-09-23 01:33:19

Named pipes

Time of First Successful Submission: 2026-09-23 01:40:12

Printing Variables

Time of First Successful Submission: 2026-09-23 01:41:43

Setting Variables

Time of First Successful Submission: 2026-09-23 01:43:14

Multi-word Variables

Time of First Successful Submission: 2026-09-23 01:45:17

Exporting Variables

Time of First Successful Submission: 2026-09-23 01:48:00

Printing Exported Variables

Time of First Successful Submission: 2026-09-23 01:48:33

Storing Command Output

Time of First Successful Submission: 2026-09-23 01:51:36

Reading Input

Time of First Successful Submission: 2026-09-23 01:56:08

Reading Files

Time of First Successful Submission: 2026-09-23 02:00:30

Translating characters

Time of First Successful Submission: 2026-09-23 02:07:24

Deleting characters

Time of First Successful Submission: 2026-09-23 02:09:56

Deleting newlines

Time of First Successful Submission: 2026-09-23 02:13:06

Extracting the first lines with head

Time of First Successful Submission: 2026-09-23 02:15:41

Extracting specific sections of text

Time of First Successful Submission: 2026-09-23 02:19:05

Sorting data

Time of First Successful Submission: 2026-09-23 02:20:48

Listing Processes

Time of First Successful Submission: 2026-09-23 02:32:21

Killing Processes

Time of First Successful Submission: 2026-09-23 02:37:41

Interrupting Processes

Time of First Successful Submission: 2026-09-23 02:38:19

Killing Misbehaving Processes

Time of First Successful Submission: 2026-09-23 02:46:26

Suspending Processes

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Resuming Processes

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Backgrounding Processes

Time of First Successful Submission: 2026-09-23 02:52:28

Foregrounding Processes

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Starting Backgrounded Processes

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Process Exit Codes

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Becoming root with su

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Other users with su

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

Cracking passwords

Time of First Successful Submission: 2026-09-23 03:12:06

Using sudo

Time of First Successful Submission: 2026-09-23 03:18:26

Changing File Ownership

Time of First Successful Submission: 2026-09-23 12:43:18

Groups and Files

Time of First Successful Submission: 2026-09-23 12:49:17

Fun With Groups Names

Time of First Successful Submission: 2026-09-23 12:50:38

Changing Permissions

Time of First Successful Submission: 2026-09-23 12:57:37

Executable Files

Time of First Successful Submission: 2026-09-23 13:01:14

Permission Tweaking Practice

Time of First Successful Submission: 2026-09-23 13:14:44

Permissions Setting Practice

Time of First Successful Submission: 2026-09-23 13:27:29

The SUID Bit

Time of First Successful Submission: 2026-09-23 13:33:03

Chaining with Semicolons

Time of First Successful Submission: 2026-09-23 13:34:25

Building on Success

Time of First Successful Submission: 2026-09-23 13:36:03

Handling Failure

Time of First Successful Submission: 2026-09-23 13:37:01

Your First Shell Script

Time of First Successful Submission: 2026-09-23 13:39:18

Redirecting Script Output

Time of First Successful Submission: 2026-09-23 13:42:16

Executable Shell Scripts

Time of First Successful Submission: 2026-09-23 13:44:54

Understanding Shebangs

Time of First Successful Submission: 2026-09-23 13:49:47

Scripting with Arguments

Time of First Successful Submission: 2026-09-23 13:52:38

Scripting with Conditionals

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Scripting with Default Cases

Time of First Successful Submission: 2026-09-23 13:59:24

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-09-23 14:02:03

Reading Shell Scripts

Time of First Successful Submission: 2026-09-23 14:04:26

Launching Screen

Time of First Successful Submission: 2026-08-17 12:57:33

Detaching and Attaching

Time of First Successful Submission: 2026-08-17 12:59:46

Finding Sessions

Time of First Successful Submission: 2026-08-17 13:01:39

Switching Windows

Time of First Successful Submission: 2026-08-17 13:03:55

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-08-17 13:05:30

Switching Windows (tmux)

Time of First Successful Submission: 2026-08-17 13:06:45

The PATH Variable

Time of First Successful Submission: 2026-09-23 14:06:40

Setting PATH

Time of First Successful Submission: 2026-09-23 14:12:55

Finding Commands

Time of First Successful Submission: 2026-09-23 14:17:10

Adding Commands

Time of First Successful Submission: 2026-09-23 14:26:19

Hijacking Commands

Time of First Successful Submission: 2026-09-23 14:31:46

Bashrc Backdoor

Time of First Successful Submission: 2026-09-23 14:37:30

Sniffing Input

Time of First Successful Submission: 2026-09-24 14:37:43

Overshared Directories

Time of First Successful Submission: 2026-09-24 14:39:51

Tricky Linking

Time of First Successful Submission: 2026-09-24 14:44:10

Sniffing Process Arguments

Time of First Successful Submission: 2026-09-24 14:46:59

Snooping on Configurations

Time of First Successful Submission: 2026-09-24 14:56:57

The Fork Bomb

Time of First Successful Submission: 2026-09-26 12:40:11

Disk-Space Doomsday

Time of First Successful Submission: 2026-09-26 10:17:28

rm -rf /

Time of First Successful Submission: 2026-09-26 10:20:16

Life after rm -rf /

Time of First Successful Submission: 2026-09-26 10:23:50

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-09-26 10:27:58


Computing 101

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Your First Register

Time of First Successful Submission: 2026-08-15 10:36:56

Your First Syscall

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Exit Codes

Time of First Successful Submission: 2026-08-15 10:44:33

Building Executables

Time of First Successful Submission: 2026-08-15 10:53:42

Moving Between Registers

Time of First Successful Submission: 2026-08-15 10:57:03

Loading From Memory

Time of First Successful Submission: 2026-08-15 12:56:05

More Loading Practice

Time of First Successful Submission: 2026-08-15 13:34:32

Dereferencing Pointers

Time of First Successful Submission: 2026-08-15 14:36:53

Dereferencing Yourself

Time of First Successful Submission: 2026-08-15 14:42:38

Dereferencing with Offsets

Time of First Successful Submission: 2026-08-15 14:47:54

Stored Addresses

Time of First Successful Submission: 2026-08-15 14:54:53

Double Dereference

Time of First Successful Submission: 2026-08-15 15:01:30

The Stack

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Stack Offsets

Time of First Successful Submission: 2026-08-15 22:44:53

Program Arguments on the Stack

Time of First Successful Submission: 2026-08-15 22:49:57

Popping From the Stack

Time of First Successful Submission: 2026-08-16 02:54:13

Negative Numbers

Time of First Successful Submission: 2026-08-16 04:03:22

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-08-16 04:14:12

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-08-16 04:32:40

Encoding Negatives

Time of First Successful Submission: 2026-08-16 04:41:30

Binary and Hex Encoding

Time of First Successful Submission: 2026-08-16 04:44:48

More Hex

Time of First Successful Submission: 2026-08-16 04:47:23

Decoding Hex

Time of First Successful Submission: 2026-08-16 04:49:46

Mixed Conversions

Time of First Successful Submission: 2026-08-16 05:02:49

Disassembling Programs

Time of First Successful Submission: 2026-08-16 05:10:30

Tracing Syscalls

Time of First Successful Submission: 2026-08-16 05:16:46

Starting GDB

Time of First Successful Submission: 2026-08-16 05:18:34

Quitting GDB

Time of First Successful Submission: 2026-08-16 05:19:48

Starting Programs in GDB

Time of First Successful Submission: 2026-08-16 05:23:57

Disassembling in GDB

Time of First Successful Submission: 2026-08-16 05:33:35

Stepping Through Instructions

Time of First Successful Submission: 2026-08-16 05:38:41

Reading Register Values

Time of First Successful Submission: 2026-08-16 05:42:52

Setting Register Values

Time of First Successful Submission: 2026-08-16 05:46:00

Popping Stack Values

Time of First Successful Submission: 2026-08-16 05:48:45

Examining Memory

Time of First Successful Submission: 2026-08-16 10:46:19

Examining Stack Pointers

Time of First Successful Submission: 2026-08-16 10:51:32

Cooperative Debugging

Time of First Successful Submission: 2026-08-16 11:01:18

Running with Arguments

Time of First Successful Submission: 2026-08-16 11:03:30

Redirecting Input in GDB

Time of First Successful Submission: 2026-08-16 12:07:39

Writing Output

Time of First Successful Submission: 2026-08-16 12:35:22

Chaining Syscalls

Time of First Successful Submission: 2026-08-16 12:39:44

Writing Strings

Time of First Successful Submission: 2026-08-16 12:45:39

Reading Data

Time of First Successful Submission: 2026-08-16 12:56:17

Reading Exactly

Time of First Successful Submission: 2026-08-16 13:36:21

Opening Files

Time of First Successful Submission: 2026-08-16 14:09:12

Hardcoding the Filename

Time of First Successful Submission: 2026-08-17 12:05:01

RIP-Relative Strings

Time of First Successful Submission: 2026-08-17 12:16:20

Comparing Values

Time of First Successful Submission: 2026-08-19 13:22:33

Comparing Characters

Time of First Successful Submission: 2026-08-19 13:30:16

Conditional Control Flow

Time of First Successful Submission: 2026-08-19 13:42:23

Comparing Strings

Time of First Successful Submission: 2026-08-19 13:50:21

Reverse the Password

Time of First Successful Submission: 2026-08-19 14:01:44

Conditionals Without Conditionals

Time of First Successful Submission: 2026-08-20 13:30:00

Recognizing Loops

Time of First Successful Submission: 2026-08-20 13:40:13

Writing Loops

Time of First Successful Submission: 2026-08-20 13:48:58

Writing From a Shared Library

Time of First Successful Submission: 2026-08-20 14:06:37

Returning a Value

Time of First Successful Submission: 2026-08-21 13:59:40

Calling Through a Pointer

Time of First Successful Submission: 2026-08-21 14:04:43

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-08-21 14:12:24

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-08-21 14:21:38

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-08-21 14:28:06

Sign Extension

Time of First Successful Submission: 2026-08-21 15:01:52

Little-Endian Bytes

Time of First Successful Submission: 2026-08-22 13:03:37

Qword by Qword

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Dword by Dword

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Word by Word

Time of First Successful Submission: 2026-08-22 15:12:13

Byte by Byte

Time of First Successful Submission: 2026-08-22 15:17:00

Cracking a Struct

Time of First Successful Submission: 2026-08-23 01:04:53

Scrambled Struct

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

Reverse the Calculation

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

Reverse the Reverse

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

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-08-23 01:34:46

Even or Odd

Time of First Successful Submission: 2026-08-23 01:49:22

Masking Bits

Time of First Successful Submission: 2026-08-23 01:55:06

Lowercase a String

Time of First Successful Submission: 2026-08-23 02:02:33

Uppercase a String

Time of First Successful Submission: 2026-08-23 02:16:20

Swap Case

Time of First Successful Submission: 2026-08-23 02:47:08

Shifting Left

Time of First Successful Submission: 2026-08-23 02:54:10

Shifting Right

Time of First Successful Submission: 2026-08-23 03:07:26

Loops on Data

Time of First Successful Submission: 2026-08-23 03:18:30

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-08-23 03:57:27

Loading Stale Stack Data

Time of First Successful Submission: 2026-08-23 05:00:50

Stealing Stale Stack Data

Time of First Successful Submission: 2026-08-23 05:28:46

Reserving Your Own Frame

Time of First Successful Submission: 2026-08-23 11:27:06

Using Your Own Frame

Time of First Successful Submission: 2026-08-23 12:34:26

Environment Variables on the Stack

Time of First Successful Submission: 2026-08-24 12:48:21

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-08-24 13:13:28

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-08-24 13:23:29

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-08-24 13:29:40

A Single Digit

Time of First Successful Submission: 2026-08-24 13:42:28

Two Digits

Time of First Successful Submission: 2026-08-24 14:13:07

String to Integer

Time of First Successful Submission: 2026-08-25 10:41:27

Negative Numbers

Time of First Successful Submission: 2026-08-25 10:54:18

Where the Number Ends

Time of First Successful Submission: 2026-08-25 12:09:03

A Whole Program

Time of First Successful Submission: 2026-08-25 12:16:59

A Single Digit, Back to Text

Time of First Successful Submission: 2026-08-25 12:21:42

Divide and Remainder

Time of First Successful Submission: 2026-08-25 13:05:04

Drop the Leading Zero

Time of First Successful Submission: 2026-08-25 13:27:08

Integer to String

Time of First Successful Submission: 2026-08-26 10:00:04

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-08-26 10:24:21

Sum Them All

Time of First Successful Submission: 2026-08-26 12:17:55

Addition

Time of First Successful Submission: 2026-08-28 09:52:01

Subtraction

Time of First Successful Submission: 2026-08-28 10:19:40

Multiplication

Time of First Successful Submission: 2026-08-28 14:17:55

Bitwise Operators

Time of First Successful Submission: 2026-08-29 14:06:32

Unary Operators

Time of First Successful Submission: 2026-09-02 13:49:11

Literal Output

Time of First Successful Submission: 2026-09-04 10:52:41

Newline Escapes

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

Escaped Syntax

Time of First Successful Submission: 2026-09-06 07:26:05

Decimal Markers

Time of First Successful Submission: 2026-09-06 09:18:57

Multiple Decimal Markers

Time of First Successful Submission: 2026-09-07 04:02:10

String Markers

Time of First Successful Submission: 2026-09-07 04:15:10

Hex Byte Escapes

Time of First Successful Submission: 2026-09-07 12:59:27

Debugging Programs

Time of First Successful Submission: 2026-09-07 13:38:29

Inspecting Registers

Time of First Successful Submission: 2026-09-07 13:40:56

Examining Memory

Time of First Successful Submission: 2026-09-07 14:09:18

Setting Breakpoints

Time of First Successful Submission: 2026-09-07 14:31:36

GDB Scripting

Time of First Successful Submission: 2026-09-08 12:26:37

Modifying Data

Time of First Successful Submission: 2026-09-08 14:04:04

Modifying Execution

Time of First Successful Submission: 2026-09-08 14:06:43

Broken Functions

Time of First Successful Submission: 2026-09-08 14:36:29

Exit

Time of First Successful Submission: 2026-09-08 14:43:49

Socket

Time of First Successful Submission: 2026-09-08 15:08:04

Bind

Time of First Successful Submission: 2026-09-09 13:38:12

Listen

Time of First Successful Submission: 2026-09-09 13:49:52

Accept

Time of First Successful Submission: 2026-09-09 13:57:43

Static Response

Time of First Successful Submission: 2026-09-11 11:54:56

Dynamic Response

Time of First Successful Submission: 2026-09-11 12:40:47

Iterative GET Server

Time of First Successful Submission: 2026-09-16 11:44:37

Concurrent GET Server

Time of First Successful Submission: 2026-09-16 12:06:18

Concurrent POST Server

Time of First Successful Submission: 2026-09-22 13:18:39

Web Server

Time of First Successful Submission: 2026-09-22 13:38:11


Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-09-26 12:50:53

... and again!

Time of First Successful Submission: 2026-09-26 12:52:01

Newline Troubles

Time of First Successful Submission: 2026-09-26 12:55:13

Reasoning about files

Time of First Successful Submission: 2026-09-26 12:59:57

Specifying Filenames

Time of First Successful Submission: 2026-09-26 13:32:02

Binary and Hex Encoding

Time of First Successful Submission: 2026-09-26 13:38:30

More Hex

Time of First Successful Submission: 2026-09-26 13:59:45

Decoding Hex

Time of First Successful Submission: 2026-09-26 14:26:43

Decoding Practice

Time of First Successful Submission: 2026-09-26 14:53:47

Encoding Practice

Time of First Successful Submission: 2026-09-26 15:16:09

Hex-encoding ASCII

Time of First Successful Submission: 2026-09-26 21:24:15

Nested Encoding

Time of First Successful Submission: 2026-09-26 21:52:25

Hex-encoding UTF-8

Time of First Successful Submission: 2026-09-26 22:10:31

UTF Mixups

Time of First Successful Submission: 2026-09-26 22:20:11

Modifying Encoded Data

Time of First Successful Submission: 2026-09-26 22:31:04

Decoding Base64

Time of First Successful Submission: 2026-09-26 22:43:03

Encoding Base64

Time of First Successful Submission: 2026-09-26 22:46:13

Dealing with Obfuscation

Time of First Successful Submission: 2026-09-26 22:52:05

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-09-26 23:02:21

Your First HTTP Request

Time of First Successful Submission: 2026-09-27 12:54:38

Reading Flask

Time of First Successful Submission: 2026-10-04 06:09:01

Commented Data

Time of First Successful Submission: 2026-10-04 06:14:09

HTTP Metadata

Time of First Successful Submission: 2026-10-04 06:17:10

HTTP (netcat)

Time of First Successful Submission: 2026-10-04 06:56:20

HTTP Paths (netcat)

Time of First Successful Submission: 2026-10-04 07:01:37

HTTP (curl)

Time of First Successful Submission: 2026-10-04 07:08:04

HTTP (python)

Time of First Successful Submission: 2026-10-04 07:13:15

HTTP Host Header (python)

Time of First Successful Submission: 2026-10-04 07:23:09

HTTP Host Header (curl)

Time of First Successful Submission: 2026-10-04 07:29:43

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-10-04 07:39:57

URL Encoding (netcat)

Time of First Successful Submission: 2026-10-04 07:50:27

HTTP GET Parameters

Time of First Successful Submission: 2026-10-04 07:57:46

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-10-04 08:01:25

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-10-04 08:18:19

HTTP Forms

Time of First Successful Submission: 2026-10-04 08:22:47

HTTP Forms (curl)

Time of First Successful Submission: 2026-10-04 08:52:54

HTTP Forms (netcat)

Time of First Successful Submission: 2026-10-04 08:49:28

HTTP Forms (python)

Time of First Successful Submission: 2026-10-04 08:56:35

HTTP Forms Without Forms

Time of First Successful Submission: 2026-10-04 09:09:40

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-10-04 09:12:29

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-10-04 09:19:13

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-10-04 09:23:22

HTTP Redirects (curl)

Time of First Successful Submission: 2026-10-04 09:25:23

HTTP Redirects (python)

Time of First Successful Submission: 2026-10-04 09:26:47

HTTP Cookies (curl)

Time of First Successful Submission: 2026-10-04 09:33:26

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-10-04 09:35:53

HTTP Cookies (python)

Time of First Successful Submission: 2026-10-04 09:41:30

Server State (python)

Time of First Successful Submission: 2026-10-04 09:45:55

Listening Web

Time of First Successful Submission: 2026-10-04 10:08:21

Speaking Redirects

Time of First Successful Submission: 2026-10-04 10:24:25

JavaScript Redirects

Time of First Successful Submission: 2026-10-04 10:44:24

Including JavaScript

Time of First Successful Submission: 2026-10-04 11:02:56

HTTP (javascript)

Time of First Successful Submission: 2026-10-04 12:28:22

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-10-04 12:36:23

HTTP Forms (javascript)

Time of First Successful Submission: 2026-10-04 12:50:09

cat

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more

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less

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tail

Time of First Successful Submission: 2026-10-04 12:54:07

head

Time of First Successful Submission: 2026-10-04 12:54:26

sort

Time of First Successful Submission: 2026-10-04 12:54:45

vim

Time of First Successful Submission: 2026-10-04 12:55:33

emacs

Time of First Successful Submission: 2026-10-04 12:55:59

nano

Time of First Successful Submission: 2026-10-04 12:56:15

rev

Time of First Successful Submission: 2026-10-04 12:56:33

od

Time of First Successful Submission: 2026-10-04 13:35:24

hd

Time of First Successful Submission: 2026-10-04 13:43:26

xxd

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base32

Time of First Successful Submission: 2026-10-04 13:54:03

base64

Time of First Successful Submission: 2026-10-04 13:54:32

split

Time of First Successful Submission: 2026-10-04 13:57:04

gzip

Time of First Successful Submission: 2026-10-04 13:59:19

bzip2

Time of First Successful Submission: 2026-10-04 14:00:52

zip

Time of First Successful Submission: 2026-10-04 14:22:41

tar

Time of First Successful Submission: 2026-10-04 14:30:58

ar

Time of First Successful Submission: 2026-10-04 14:38:38

cpio

Time of First Successful Submission: 2026-10-05 13:46:19

genisoimage

Time of First Successful Submission: 2026-10-05 13:58:30

env

Time of First Successful Submission: 2026-10-05 14:01:37

find

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make

Time of First Successful Submission: 2026-10-05 14:20:44

nice

Time of First Successful Submission: 2026-10-05 14:21:56

timeout

Time of First Successful Submission: 2026-10-05 14:22:36

stdbuf

Time of First Successful Submission: 2026-10-05 14:23:41

setarch

Time of First Successful Submission: 2026-10-05 14:27:43

watch

Time of First Successful Submission: 2026-10-05 14:29:53

socat

Time of First Successful Submission: 2026-10-06 09:03:20

whiptail

Time of First Successful Submission: 2026-10-06 09:04:30

awk

Time of First Successful Submission: 2026-10-06 09:05:26

sed

Time of First Successful Submission: 2026-10-06 09:21:27

ed

Time of First Successful Submission: 2026-10-06 09:24:16

chown

Time of First Successful Submission: 2026-10-06 09:25:34

chmod

Time of First Successful Submission: 2026-10-06 09:26:01

cp

Time of First Successful Submission: 2026-10-06 09:31:14

mv

Time of First Successful Submission: 2026-10-09 07:46:27

perl

Time of First Successful Submission: 2026-10-06 13:36:12

python

Time of First Successful Submission: 2026-10-06 13:41:03

ruby

Time of First Successful Submission: 2026-10-06 13:42:49

bash

Time of First Successful Submission: 2026-10-08 15:09:54

date

Time of First Successful Submission: 2026-10-06 14:00:50

dmesg

Time of First Successful Submission: 2026-10-07 08:47:23

wc

Time of First Successful Submission: 2026-10-07 08:53:13

gcc

Time of First Successful Submission: 2026-10-09 07:57:15

as

Time of First Successful Submission: 2026-10-07 09:51:50

wget

Time of First Successful Submission: 2026-10-08 21:40:04

ssh-keygen

Time of First Successful Submission: 2026-10-07 10:59:50

SQL Queries

Time of First Successful Submission: 2026-10-09 08:26:40

Filtering SQL

Time of First Successful Submission: 2026-10-09 10:33:31

Choosing Columns

Time of First Successful Submission: 2026-10-09 10:37:36

Exclusionary Filtering

Time of First Successful Submission: 2026-10-09 10:40:31

Filtering Strings

Time of First Successful Submission: 2026-10-09 10:42:15

Filtering on Expressions

Time of First Successful Submission: 2026-10-09 22:08:56

SELECTing Expressions

Time of First Successful Submission: 2026-10-09 22:42:40

Composite Conditions

Time of First Successful Submission: 2026-10-09 22:46:46

Reaching Your LIMITs

Time of First Successful Submission: 2026-10-09 22:53:03

Querying Metadata

Time of First Successful Submission: 2026-10-10 07:55:17


DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-08-14 03:18:52

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-14 03:22:08

Using the GUI Desktop

Time of First Successful Submission: 2026-08-15 05:03:51

Pasting into the Desktop

Time of First Successful Submission: 2026-08-15 05:06:04

Connecting over SSH

Time of First Successful Submission: 2026-08-15 05:15:50

Restarting Challenges

Time of First Successful Submission: 2026-08-15 05:22:46

Challenge Programs

Time of First Successful Submission: 2026-08-14 03:24:39

The Flag File

Time of First Successful Submission: 2026-08-14 03:26:25

Using Privileged Mode

Time of First Successful Submission: 2026-08-15 05:27:36

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-15 05:36:46

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-15 05:37:42


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-08-14 03:18:52

Using the VSCode Workspace

Time of First Successful Submission: 2026-08-14 03:22:08

Using the GUI Desktop

Time of First Successful Submission: 2026-08-15 05:03:51

Pasting into the Desktop

Time of First Successful Submission: 2026-08-15 05:06:04

Connecting over SSH

Time of First Successful Submission: 2026-08-15 05:15:50

Restarting Challenges

Time of First Successful Submission: 2026-08-15 05:22:46

Challenge Programs

Time of First Successful Submission: 2026-08-14 03:24:39

The Flag File

Time of First Successful Submission: 2026-08-14 03:26:25

Using Privileged Mode

Time of First Successful Submission: 2026-08-15 05:27:36

Persistent Home Directories - One

Time of First Successful Submission: 2026-08-15 05:36:46

Persistent Home Directories - Two

Time of First Successful Submission: 2026-08-15 05:37:42