Jairo Yahir Romero Mantilla

🐧

Intro to Programming Languages

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Commands

Time of First Successful Submission: 2026-10-17 16:17:05

Command Arguments

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Command History

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The Root Path

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Absolute Paths

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Changing position

Time of First Successful Submission: 2026-10-17 16:27:06

Changing to an Absolute Path

Time of First Successful Submission: 2026-10-17 16:30:21

Relative Paths

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Cat

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Ls

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Ls All

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Find

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Piping Echo

Time of First Successful Submission: 2026-10-17 18:20:14

Piping Stdout

Time of First Successful Submission: 2026-10-17 18:21:31

Piping Stdin

Time of First Successful Submission: 2026-10-17 18:23:33

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-10-17 22:33:51

Path Traversal 2

Time of First Successful Submission: 2026-10-17 22:35:28

CMDi 1

Time of First Successful Submission: 2026-10-17 22:36:33

CMDi 2

Time of First Successful Submission: 2026-10-17 23:09:45

CMDi 3

Time of First Successful Submission: 2026-10-17 23:12:28

CMDi 4

Time of First Successful Submission: 2026-10-17 23:13:15

CMDi 5

Time of First Successful Submission: 2026-10-17 23:15:09

CMDi 6

Time of First Successful Submission: 2026-10-17 23:16:55

Authentication Bypass 1

Time of First Successful Submission: 2026-10-17 23:18:04

Authentication Bypass 2

Time of First Successful Submission: 2026-10-17 23:19:12

SQLi 1

Time of First Successful Submission: 2026-10-17 23:21:29

SQLi 2

Time of First Successful Submission: 2026-10-17 23:24:04

SQLi 3

Time of First Successful Submission: 2026-10-17 23:25:09

SQLi 4

Time of First Successful Submission: 2026-10-17 23:37:12

SQLi 5

Time of First Successful Submission: 2026-10-17 23:39:12

XSS 1

Time of First Successful Submission: 2026-10-17 23:46:44

XSS 2

Time of First Successful Submission: 2026-10-17 23:52:08

XSS 3

Time of First Successful Submission: 2026-10-17 23:54:18

XSS 4

Time of First Successful Submission: 2026-10-17 23:55:10

XSS 5

Time of First Successful Submission: 2026-10-17 23:58:51

XSS 6

Time of First Successful Submission: 2026-10-18 00:00:33

XSS 7

Time of First Successful Submission: 2026-10-18 00:02:49

CSRF 1

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CSRF 2

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CSRF 3

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CSRF 4

Time of First Successful Submission: 2026-10-18 01:35:50

CSRF 5

Time of First Successful Submission: 2026-10-18 01:42:31

Connect

Time of First Successful Submission: 2026-10-18 02:14:25

Send

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Shutdown

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Listen

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Scan 1

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Scan 2

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Monitor 1

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Monitor 2

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Sniffing Cookies

Time of First Successful Submission: 2026-10-18 02:38:28

Network Configuration

Time of First Successful Submission: 2026-10-18 02:48:51

Firewall 1

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Firewall 2

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Firewall 3

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Denial of Service 1

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Denial of Service 2

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Denial of Service 3

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Ethernet

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IP

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TCP

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TCP Handshake

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UDP

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UDP 2

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UDP Spoofing 1

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UDP Spoofing 2

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UDP Spoofing 3

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UDP Spoofing 4

Time of First Successful Submission: 2026-10-18 03:35:54

ARP

Time of First Successful Submission: 2026-10-18 03:37:39

Intercept

Time of First Successful Submission: 2026-10-18 03:56:34

Man-in-the-Middle

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XOR

Time of First Successful Submission: 2026-10-18 12:46:44

XORing Hex

Time of First Successful Submission: 2026-10-18 12:48:33

XORing ASCII

Time of First Successful Submission: 2026-10-18 12:50:52

XORing ASCII Strings

Time of First Successful Submission: 2026-10-18 12:53:02

One-time Pad

Time of First Successful Submission: 2026-10-18 12:54:47

One-time Pad Tampering

Time of First Successful Submission: 2026-10-18 12:56:32

Many-time Pad

Time of First Successful Submission: 2026-10-18 12:57:49

AES

Time of First Successful Submission: 2026-10-18 12:58:58

AES-ECB-CPA

Time of First Successful Submission: 2026-10-18 13:02:48

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-10-18 13:04:32

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-10-18 13:05:40

AES-ECB-CPA-Suffix

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AES-ECB-CPA-Prefix

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AES-ECB-CPA-Prefix-2

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AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-10-18 13:11:05

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-10-18 13:16:45

AES-CBC

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AES-CBC Tampering

Time of First Successful Submission: 2026-10-18 13:29:34

AES-CBC Resizing

Time of First Successful Submission: 2026-10-18 13:29:10

AES-CBC-POA-Partial-Block

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AES-CBC-POA-Full-Block

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AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2026-10-18 13:40:51

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2026-10-18 13:41:55

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-10-18 13:43:01

DHKE

Time of First Successful Submission: 2026-10-18 13:44:14

DHKE-to-AES

Time of First Successful Submission: 2026-10-18 13:45:19

RSA 1

Time of First Successful Submission: 2026-10-18 13:47:18

RSA 2

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RSA 3

Time of First Successful Submission: 2026-10-18 13:50:26

RSA 4

Time of First Successful Submission: 2026-10-18 13:53:43

RSA Signatures

Time of First Successful Submission: 2026-10-18 13:55:09

SHA 1

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SHA 2

Time of First Successful Submission: 2026-10-18 14:01:25

TLS 1

Time of First Successful Submission: 2026-10-18 14:30:49

TLS 2

Time of First Successful Submission: 2026-10-18 14:36:16

level1

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level2

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level3

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level4

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level5

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level6

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level7

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level8

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level9

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level10

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level11

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level12

Time of First Successful Submission: 2026-10-18 15:00:59

level13

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level14

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level15

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level16

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level17

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level18

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level19

Time of First Successful Submission: 2026-10-18 15:13:51

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-10-18 15:20:26

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-10-18 15:22:48

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-10-18 15:24:05

Reading Endianness (Python)

Time of First Successful Submission: 2026-10-18 15:24:58

Reading Endianness (C)

Time of First Successful Submission: 2026-10-18 15:26:11

Reading Endianness (x86)

Time of First Successful Submission: 2026-10-18 15:27:42

Version Information (Python)

Time of First Successful Submission: 2026-10-18 15:33:40

Version Information (C)

Time of First Successful Submission: 2026-10-18 15:35:10

Version Information (x86)

Time of First Successful Submission: 2026-10-18 15:29:12

Metadata and Data (Python)

Time of First Successful Submission: 2026-10-18 15:38:23

Metadata and Data (C)

Time of First Successful Submission: 2026-10-18 15:41:03

Metadata and Data (x86)

Time of First Successful Submission: 2026-10-18 15:42:02

Input Restrictions (Python)

Time of First Successful Submission: 2026-10-18 15:42:45

Input Restrictions (C)

Time of First Successful Submission: 2026-10-18 15:43:56

Input Restrictions (x86)

Time of First Successful Submission: 2026-10-18 15:45:26

Behold the cIMG! (Python)

Time of First Successful Submission: 2026-10-18 15:46:37

Behold the cIMG! (C)

Time of First Successful Submission: 2026-10-18 15:48:03

Behold the cIMG! (x86)

Time of First Successful Submission: 2026-10-18 15:49:23

A Basic cIMG (Python)

Time of First Successful Submission: 2026-10-18 15:50:16

A Basic cIMG (C)

Time of First Successful Submission: 2026-10-18 15:51:42

A Basic cIMG (x86)

Time of First Successful Submission: 2026-10-18 15:52:38

Internal State Mini (C)

Time of First Successful Submission: 2026-10-18 16:09:12

Internal State Mini (x86)

Time of First Successful Submission: 2026-10-18 16:20:47

Internal State (C)

Time of First Successful Submission: 2026-10-18 16:23:53

Internal State (x86)

Time of First Successful Submission: 2026-10-18 16:26:38

File Formats: Directives (C)

Time of First Successful Submission: 2026-10-18 18:00:33

File Formats: Directives (x86)

Time of First Successful Submission: 2026-10-18 18:03:36

The Patch Directive

Time of First Successful Submission: 2026-10-18 18:15:02

Optimizing for Space

Time of First Successful Submission: 2026-10-18 18:19:14

Tweaking Images

Time of First Successful Submission: 2026-10-18 16:38:26

Storage and Retrieval

Time of First Successful Submission: 2026-10-18 18:29:59

Extracting Knowledge

Time of First Successful Submission: 2026-10-18 16:56:48

Advanced Sprites

Time of First Successful Submission: 2026-10-18 18:35:54

Accessing Resources

Time of First Successful Submission: 2026-10-18 18:44:26

Unsafe Animations

Time of First Successful Submission: 2026-10-18 18:48:41

Animations

Time of First Successful Submission: 2026-10-18 19:11:25

Interoperability: Patching Data

Time of First Successful Submission: 2026-10-18 19:29:11

Patching Code

Time of First Successful Submission: 2026-10-19 20:11:37

Patching Control Flow

Time of First Successful Submission: 2026-10-19 20:21:52

Your First Overflow (easy)

Time of First Successful Submission: 2026-10-19 13:33:58

Your First Overflow (hard)

Time of First Successful Submission: 2026-10-19 13:34:43

Precision (easy)

Time of First Successful Submission: 2026-10-19 13:35:41

Precision (hard)

Time of First Successful Submission: 2026-10-19 13:37:18

Variable Control (easy)

Time of First Successful Submission: 2026-10-19 13:38:52

Variable Control (hard)

Time of First Successful Submission: 2026-10-19 13:39:52

Control Hijack (easy)

Time of First Successful Submission: 2026-10-19 13:40:47

Control Hijack (hard)

Time of First Successful Submission: 2026-10-19 13:41:34

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-10-19 13:43:49

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-10-19 13:44:57

PIEs (easy)

Time of First Successful Submission: 2026-10-19 13:48:15

PIEs (hard)

Time of First Successful Submission: 2026-10-19 13:50:13

String Lengths (easy)

Time of First Successful Submission: 2026-10-19 13:51:38

String Lengths (hard)

Time of First Successful Submission: 2026-10-19 13:54:11

Basic Shellcode

Time of First Successful Submission: 2026-10-19 13:55:18

NOP Sleds

Time of First Successful Submission: 2026-10-19 13:56:24

NULL-Free Shellcode

Time of First Successful Submission: 2026-10-19 13:57:05

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-10-19 13:59:52

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-10-19 14:36:46

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-10-19 14:43:53

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-10-19 14:47:57

ECB-to-Win (easy)

Time of First Successful Submission: 2026-10-19 14:52:23

ECB-to-Win (hard)

Time of First Successful Submission: 2026-10-19 14:55:54

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-10-19 15:03:35

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-10-19 15:11:23

CIMG Screenshots

Time of First Successful Submission: 2026-10-19 16:55:42

CIMG Screenshots 2

Time of First Successful Submission: 2026-10-19 17:38:59

Wily Webserver

Time of First Successful Submission: 2026-10-19 18:18:42

The Watering Hole

Time of First Successful Submission: 2026-10-19 18:37:41

Secure Chat 1

Time of First Successful Submission: 2026-10-19 18:52:40

Secure Chat 2

Time of First Successful Submission: 2026-10-19 23:37:16

Secure Chat 3

Time of First Successful Submission: 2026-10-20 14:45:49

Secure Chat 4

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Secure Chat 5

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Program Security

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ello ackers!

Time of First Successful Submission: 2026-10-20 03:28:08

Syscall Smuggler

Time of First Successful Submission: 2026-10-20 03:29:01

Syscall Shenanigans

Time of First Successful Submission: 2026-10-20 03:30:13

Byte Budget

Time of First Successful Submission: 2026-10-20 03:35:11

ClobberCode

Time of First Successful Submission: 2026-10-20 03:36:38

Diverse Delivery

Time of First Successful Submission: 2026-10-20 03:38:55

Pocket Payload

Time of First Successful Submission: 2026-10-20 03:39:48

Micro Menace

Time of First Successful Submission: 2026-10-20 03:40:47

Login Leakage (Easy)

Time of First Successful Submission: 2026-10-20 03:44:23

Login Leakage (Hard)

Time of First Successful Submission: 2026-10-20 03:46:57

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-10-20 03:48:42

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-10-20 03:52:30

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-10-20 03:54:48

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-10-20 03:56:21

Pointer Problems (Easy)

Time of First Successful Submission: 2026-10-20 03:57:42

Pointer Problems (Hard)

Time of First Successful Submission: 2026-10-20 04:01:00

Anomalous Array (Easy)

Time of First Successful Submission: 2026-10-20 04:03:19

Anomalous Array (Hard)

Time of First Successful Submission: 2026-10-20 04:04:33

Now you got it (Easy)

Time of First Successful Submission: 2026-10-20 04:08:21

Now you got it (Hard)

Time of First Successful Submission: 2026-10-20 04:11:39

Loop Lunacy (Easy)

Time of First Successful Submission: 2026-10-20 04:14:45

Loop Lunacy (Hard)

Time of First Successful Submission: 2026-10-20 15:00:58

Nosy Neighbor (Easy)

Time of First Successful Submission: 2026-10-20 15:02:53

Nosy Neighbor (Hard)

Time of First Successful Submission: 2026-10-20 15:06:58

Recursive Ruin (Easy)

Time of First Successful Submission: 2026-10-20 15:11:03

Recursive Ruin (Hard)

Time of First Successful Submission: 2026-10-20 15:17:39

Lingering Leftover (Easy)

Time of First Successful Submission: 2026-10-20 15:21:00

Lingering Leftover (Hard)

Time of First Successful Submission: 2026-10-20 15:22:11

Latent Leak (Easy)

Time of First Successful Submission: 2026-10-20 15:24:22

Latent Leak (Hard)

Time of First Successful Submission: 2026-10-20 15:48:06

Fork Foolery (Easy)

Time of First Successful Submission: 2026-10-20 15:54:44

Fork Foolery (Hard)

Time of First Successful Submission: 2026-10-20 15:58:14

Canary Conundrum (Easy)

Time of First Successful Submission: 2026-10-20 16:06:00

Canary Conundrum (Hard)

Time of First Successful Submission: 2026-10-20 16:13:05

A Crafty Clobber (Easy)

Time of First Successful Submission: 2026-10-20 16:26:00

A Crafty Clobber (Hard)

Time of First Successful Submission: 2026-10-20 17:32:30

Can It Fizz?

Time of First Successful Submission: 2026-10-20 17:45:03

Does It Buzz?

Time of First Successful Submission: 2026-10-20 17:51:16

Make It FizzBuzz

Time of First Successful Submission: 2026-10-20 17:59:22

Terrible Token (Easy)

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

Start Here

10 / 10 20969 / 72230

Using the Terminal

Time of First Successful Submission: 2026-10-17 15:07:30

Using the VSCode Workspace

Time of First Successful Submission: 2026-10-17 15:11:04

Using the GUI Desktop

Time of First Successful Submission: 2026-10-17 15:18:03

Pasting into the Desktop

Time of First Successful Submission: 2026-10-17 16:01:16

Restarting Challenges

Time of First Successful Submission: 2026-10-17 16:03:36

Challenge Programs

Time of First Successful Submission: 2026-10-17 16:04:48

The Flag File

Time of First Successful Submission: 2026-10-17 16:06:06

Using Privileged Mode

Time of First Successful Submission: 2026-10-17 16:10:02

Persistent Home Directories - One

Time of First Successful Submission: 2026-10-17 16:11:26

Persistent Home Directories - Two

Time of First Successful Submission: 2026-10-17 16:12:50

Linux Luminarium

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Intro to Commands

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Intro to Arguments

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Command History

Time of First Successful Submission: 2026-10-17 16:19:45

The Root

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Program and absolute paths

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Position thy self

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Position elsewhere

Time of First Successful Submission: 2026-10-17 16:30:21

implicit relative paths, from /

Time of First Successful Submission: 2026-10-17 16:31:13

explicit relative paths, from /

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implicit relative path

Time of First Successful Submission: 2026-10-17 16:32:43

home sweet home

Time of First Successful Submission: 2026-10-17 16:34:54

cat: not the pet, but the command!

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catting absolute paths

Time of First Successful Submission: 2026-10-17 16:38:54

more catting practice

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grepping for a needle in a haystack

Time of First Successful Submission: 2026-10-17 16:40:52

comparing files

Time of First Successful Submission: 2026-10-17 16:42:03

listing files

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touching files

Time of First Successful Submission: 2026-10-17 16:45:17

removing files

Time of First Successful Submission: 2026-10-17 16:46:03

moving files

Time of First Successful Submission: 2026-10-17 16:46:46

copying files

Time of First Successful Submission: 2026-10-17 16:47:16

hidden files

Time of First Successful Submission: 2026-10-17 16:48:36

An Epic Filesystem Quest

Time of First Successful Submission: 2026-10-17 16:56:50

making directories

Time of First Successful Submission: 2026-10-17 16:57:55

finding files

Time of First Successful Submission: 2026-10-17 17:01:54

linking files

Time of First Successful Submission: 2026-10-17 17:04:38

Learning From Documentation

Time of First Successful Submission: 2026-10-17 17:45:23

Learning Complex Usage

Time of First Successful Submission: 2026-10-17 17:48:01

Reading Manuals

Time of First Successful Submission: 2026-10-17 17:53:22

Searching Manuals

Time of First Successful Submission: 2026-10-17 17:56:28

Searching For Manuals

Time of First Successful Submission: 2026-10-17 18:00:32

Helpful Programs

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Help for Builtins

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Matching with *

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Matching with ?

Time of First Successful Submission: 2026-10-17 18:06:12

Matching with []

Time of First Successful Submission: 2026-10-17 18:07:19

Matching paths with []

Time of First Successful Submission: 2026-10-17 18:07:55

Multiple globs

Time of First Successful Submission: 2026-10-17 18:09:02

Mixing globs

Time of First Successful Submission: 2026-10-17 18:10:11

Exclusionary globbing

Time of First Successful Submission: 2026-10-17 18:13:51

Tab completion

Time of First Successful Submission: 2026-10-17 18:14:42

Multiple options for tab completion

Time of First Successful Submission: 2026-10-17 18:16:49

Tab completion on commands

Time of First Successful Submission: 2026-10-17 18:17:26

Redirecting output

Time of First Successful Submission: 2026-10-17 18:20:14

Redirecting more output

Time of First Successful Submission: 2026-10-17 18:21:31

Appending output

Time of First Successful Submission: 2026-10-17 18:22:09

Redirecting errors

Time of First Successful Submission: 2026-10-17 18:22:49

Redirecting input

Time of First Successful Submission: 2026-10-17 18:23:33

Grepping stored results

Time of First Successful Submission: 2026-10-17 18:25:01

Grepping live output

Time of First Successful Submission: 2026-10-17 18:25:54

Grepping errors

Time of First Successful Submission: 2026-10-17 18:26:27

Filtering with grep -v

Time of First Successful Submission: 2026-10-17 18:27:05

Filtering with sed

Time of First Successful Submission: 2026-10-17 18:27:39

Duplicating piped data with tee

Time of First Successful Submission: 2026-10-17 18:28:49

Process substitution for input

Time of First Successful Submission: 2026-10-17 18:29:35

Writing to multiple programs

Time of First Successful Submission: 2026-10-17 18:30:25

Split-piping stderr and stdout

Time of First Successful Submission: 2026-10-17 18:31:07

Named pipes

Time of First Successful Submission: 2026-10-17 18:32:24

Printing Variables

Time of First Successful Submission: 2026-10-17 18:36:34

Setting Variables

Time of First Successful Submission: 2026-10-17 18:37:29

Multi-word Variables

Time of First Successful Submission: 2026-10-17 18:38:15

Exporting Variables

Time of First Successful Submission: 2026-10-17 18:39:52

Printing Exported Variables

Time of First Successful Submission: 2026-10-17 18:40:41

Storing Command Output

Time of First Successful Submission: 2026-10-17 18:41:20

Reading Input

Time of First Successful Submission: 2026-10-17 18:42:05

Reading Files

Time of First Successful Submission: 2026-10-17 18:42:45

Translating characters

Time of First Successful Submission: 2026-10-17 18:44:42

Deleting characters

Time of First Successful Submission: 2026-10-17 18:45:21

Deleting newlines

Time of First Successful Submission: 2026-10-17 18:46:29

Extracting the first lines with head

Time of First Successful Submission: 2026-10-17 18:47:20

Extracting specific sections of text

Time of First Successful Submission: 2026-10-17 18:48:46

Sorting data

Time of First Successful Submission: 2026-10-17 18:49:35

Listing Processes

Time of First Successful Submission: 2026-10-17 18:51:09

Killing Processes

Time of First Successful Submission: 2026-10-17 18:52:07

Interrupting Processes

Time of First Successful Submission: 2026-10-17 19:07:25

Killing Misbehaving Processes

Time of First Successful Submission: 2026-10-17 19:08:50

Suspending Processes

Time of First Successful Submission: 2026-10-17 19:09:38

Resuming Processes

Time of First Successful Submission: 2026-10-17 19:10:29

Backgrounding Processes

Time of First Successful Submission: 2026-10-17 19:16:58

Foregrounding Processes

Time of First Successful Submission: 2026-10-17 19:18:53

Starting Backgrounded Processes

Time of First Successful Submission: 2026-10-17 19:20:02

Process Exit Codes

Time of First Successful Submission: 2026-10-17 19:21:07

Becoming root with su

Time of First Successful Submission: 2026-10-17 19:22:21

Other users with su

Time of First Successful Submission: 2026-10-17 19:23:09

Cracking passwords

Time of First Successful Submission: 2026-10-17 19:24:57

Using sudo

Time of First Successful Submission: 2026-10-17 19:25:45

Changing File Ownership

Time of First Successful Submission: 2026-10-17 19:26:46

Groups and Files

Time of First Successful Submission: 2026-10-17 19:27:38

Fun With Groups Names

Time of First Successful Submission: 2026-10-17 19:28:28

Changing Permissions

Time of First Successful Submission: 2026-10-17 19:29:25

Executable Files

Time of First Successful Submission: 2026-10-17 19:30:22

Permission Tweaking Practice

Time of First Successful Submission: 2026-10-17 19:34:15

Permissions Setting Practice

Time of First Successful Submission: 2026-10-17 19:39:18

The SUID Bit

Time of First Successful Submission: 2026-10-17 19:40:39

Chaining with Semicolons

Time of First Successful Submission: 2026-10-17 19:42:13

Building on Success

Time of First Successful Submission: 2026-10-17 19:43:41

Handling Failure

Time of First Successful Submission: 2026-10-17 19:47:01

Your First Shell Script

Time of First Successful Submission: 2026-10-17 19:47:53

Redirecting Script Output

Time of First Successful Submission: 2026-10-17 19:50:10

Executable Shell Scripts

Time of First Successful Submission: 2026-10-17 19:50:53

Understanding Shebangs

Time of First Successful Submission: 2026-10-17 19:51:33

Scripting with Arguments

Time of First Successful Submission: 2026-10-17 19:52:05

Scripting with Conditionals

Time of First Successful Submission: 2026-10-17 19:52:51

Scripting with Default Cases

Time of First Successful Submission: 2026-10-17 19:53:27

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-10-17 19:54:08

Reading Shell Scripts

Time of First Successful Submission: 2026-10-17 19:55:02

Launching Screen

Time of First Successful Submission: 2026-10-17 19:57:12

Detaching and Attaching

Time of First Successful Submission: 2026-10-17 19:58:50

Finding Sessions

Time of First Successful Submission: 2026-10-17 20:00:17

Switching Windows

Time of First Successful Submission: 2026-10-17 20:01:02

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-10-17 20:01:49

Switching Windows (tmux)

Time of First Successful Submission: 2026-10-17 20:03:02

The PATH Variable

Time of First Successful Submission: 2026-10-17 20:04:17

Setting PATH

Time of First Successful Submission: 2026-10-17 20:04:50

Finding Commands

Time of First Successful Submission: 2026-10-17 20:05:48

Adding Commands

Time of First Successful Submission: 2026-10-17 20:07:03

Hijacking Commands

Time of First Successful Submission: 2026-10-17 20:07:46

Bashrc Backdoor

Time of First Successful Submission: 2026-10-17 20:09:15

Sniffing Input

Time of First Successful Submission: 2026-10-17 20:11:28

Overshared Directories

Time of First Successful Submission: 2026-10-17 20:15:42

Tricky Linking

Time of First Successful Submission: 2026-10-17 20:17:16

Sniffing Process Arguments

Time of First Successful Submission: 2026-10-17 20:19:01

Snooping on Configurations

Time of First Successful Submission: 2026-10-17 20:20:44

The Fork Bomb

Time of First Successful Submission: 2026-10-17 20:43:57

Disk-Space Doomsday

Time of First Successful Submission: 2026-10-17 20:45:01

rm -rf /

Time of First Successful Submission: 2026-10-17 20:47:54

Life after rm -rf /

Time of First Successful Submission: 2026-10-17 20:51:44

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-10-17 20:55:00

DSU Cyber Camps

10 / 104 30472 / 72702

Using the Terminal

Time of First Successful Submission: 2026-10-17 15:07:30

Using the VSCode Workspace

Time of First Successful Submission: 2026-10-17 15:11:04

Using the GUI Desktop

Time of First Successful Submission: 2026-10-17 15:18:03

Pasting into the Desktop

Time of First Successful Submission: 2026-10-17 16:01:16

Restarting Challenges

Time of First Successful Submission: 2026-10-17 16:03:36

Challenge Programs

Time of First Successful Submission: 2026-10-17 16:04:48

The Flag File

Time of First Successful Submission: 2026-10-17 16:06:06

Using Privileged Mode

Time of First Successful Submission: 2026-10-17 16:10:02

Persistent Home Directories - One

Time of First Successful Submission: 2026-10-17 16:11:26

Persistent Home Directories - Two

Time of First Successful Submission: 2026-10-17 16:12:50

GCA CTF

10 / 104 30472 / 72702

Using the Terminal

Time of First Successful Submission: 2026-10-17 15:07:30

Using the VSCode Workspace

Time of First Successful Submission: 2026-10-17 15:11:04

Using the GUI Desktop

Time of First Successful Submission: 2026-10-17 15:18:03

Pasting into the Desktop

Time of First Successful Submission: 2026-10-17 16:01:16

Restarting Challenges

Time of First Successful Submission: 2026-10-17 16:03:36

Challenge Programs

Time of First Successful Submission: 2026-10-17 16:04:48

The Flag File

Time of First Successful Submission: 2026-10-17 16:06:06

Using Privileged Mode

Time of First Successful Submission: 2026-10-17 16:10:02

Persistent Home Directories - One

Time of First Successful Submission: 2026-10-17 16:11:26

Persistent Home Directories - Two

Time of First Successful Submission: 2026-10-17 16:12:50