HimanshuP601

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1 / 202 18872 / 22760

Triple Dereference

Time of First Successful Submission: 2025-06-15 17:14:40

Intro to Programming Languages

15 / 234 1301 / 30661

Commands

Time of First Successful Submission: 2025-06-13 04:57:21

Command Arguments

Time of First Successful Submission: 2025-06-13 05:04:44

Command History

Time of First Successful Submission: 2025-06-13 05:06:10

The Root Path

Time of First Successful Submission: 2025-06-13 05:17:43

Absolute Paths

Time of First Successful Submission: 2025-06-13 05:19:42

Changing position

Time of First Successful Submission: 2025-06-13 05:24:07

Changing to an Absolute Path

Time of First Successful Submission: 2025-06-13 11:56:24

Relative Paths

Time of First Successful Submission: 2025-06-13 12:12:01

Cat

Time of First Successful Submission: 2025-06-13 13:03:31

Ls

Time of First Successful Submission: 2025-06-13 13:10:01

Ls All

Time of First Successful Submission: 2025-06-13 13:15:22

Find

Time of First Successful Submission: 2025-06-13 13:26:00

Piping Echo

Time of First Successful Submission: 2025-06-14 04:37:26

Piping Stdout

Time of First Successful Submission: 2025-06-14 04:39:47

Piping Stdin

Time of First Successful Submission: 2025-06-14 05:49:46

Intro to Cybersecurity

142 / 183 704 / 19472

Path Traversal 1

Time of First Successful Submission: 2025-07-06 16:33:50

Path Traversal 2

Time of First Successful Submission: 2025-07-07 06:01:20

CMDi 1

Time of First Successful Submission: 2025-07-07 06:33:45

CMDi 2

Time of First Successful Submission: 2025-07-07 06:40:43

CMDi 3

Time of First Successful Submission: 2025-07-07 06:46:50

CMDi 4

Time of First Successful Submission: 2025-07-07 07:03:22

CMDi 5

Time of First Successful Submission: 2025-07-07 12:35:05

CMDi 6

Time of First Successful Submission: 2025-07-07 14:23:49

Authentication Bypass 1

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

Authentication Bypass 2

Time of First Successful Submission: 2025-07-07 15:26:22

SQLi 1

Time of First Successful Submission: 2025-07-08 07:15:16

SQLi 2

Time of First Successful Submission: 2025-07-08 12:50:31

SQLi 3

Time of First Successful Submission: 2025-07-08 13:30:42

SQLi 4

Time of First Successful Submission: 2025-07-08 14:39:22

SQLi 5

Time of First Successful Submission: 2025-07-08 15:39:43

XSS 1

Time of First Successful Submission: 2025-07-08 17:54:22

XSS 2

Time of First Successful Submission: 2025-07-08 18:04:58

XSS 3

Time of First Successful Submission: 2025-07-09 05:53:39

XSS 4

Time of First Successful Submission: 2025-07-09 06:12:29

XSS 5

Time of First Successful Submission: 2025-07-10 13:14:47

XSS 6

Time of First Successful Submission: 2025-07-10 13:55:48

XSS 7

Time of First Successful Submission: 2025-07-13 08:46:21

CSRF 1

Time of First Successful Submission: 2025-07-13 13:55:05

CSRF 2

Time of First Successful Submission: 2025-07-13 14:15:09

CSRF 3

Time of First Successful Submission: 2025-07-13 14:46:34

CSRF 4

Time of First Successful Submission: 2025-07-13 16:34:10

CSRF 5

Time of First Successful Submission: 2025-07-13 17:13:00

Connect

Time of First Successful Submission: 2025-07-14 13:35:23

Send

Time of First Successful Submission: 2025-07-14 13:37:37

Shutdown

Time of First Successful Submission: 2025-07-14 13:51:59

Listen

Time of First Successful Submission: 2025-07-14 13:54:38

Scan 1

Time of First Successful Submission: 2025-07-14 14:11:33

Scan 2

Time of First Successful Submission: 2025-07-16 16:38:39

Monitor 1

Time of First Successful Submission: 2025-07-16 17:27:20

Monitor 2

Time of First Successful Submission: 2025-07-17 18:21:20

Sniffing Cookies

Time of First Successful Submission: 2025-07-19 12:27:20

Network Configuration

Time of First Successful Submission: 2025-07-19 16:20:49

Firewall 1

Time of First Successful Submission: 2025-07-19 19:20:24

Firewall 2

Time of First Successful Submission: 2025-07-19 19:22:44

Firewall 3

Time of First Successful Submission: 2025-07-19 19:33:09

Denial of Service 1

Time of First Successful Submission: 2025-07-19 20:18:06

Denial of Service 2

Time of First Successful Submission: 2025-07-22 09:44:32

Denial of Service 3

Time of First Successful Submission: 2025-07-24 14:25:34

Ethernet

Time of First Successful Submission: 2025-07-24 17:44:40

IP

Time of First Successful Submission: 2025-07-24 17:45:00

TCP

Time of First Successful Submission: 2025-07-24 17:45:16

TCP Handshake

Time of First Successful Submission: 2025-07-24 17:45:34

UDP

Time of First Successful Submission: 2025-07-24 17:45:51

UDP 2

Time of First Successful Submission: 2025-07-24 17:51:27

UDP Spoofing 1

Time of First Successful Submission: 2025-07-24 18:20:36

UDP Spoofing 2

Time of First Successful Submission: 2025-07-25 10:01:49

UDP Spoofing 3

Time of First Successful Submission: 2025-07-26 10:00:14

UDP Spoofing 4

Time of First Successful Submission: 2025-07-27 08:21:35

ARP

Time of First Successful Submission: 2025-07-27 08:54:38

Intercept

Time of First Successful Submission: 2025-07-27 19:57:21

Man-in-the-Middle

Time of First Successful Submission: 2025-07-29 14:33:16

XOR

Time of First Successful Submission: 2025-08-03 08:46:38

XORing Hex

Time of First Successful Submission: 2025-08-03 09:14:57

XORing ASCII

Time of First Successful Submission: 2025-08-03 09:33:13

XORing ASCII Strings

Time of First Successful Submission: 2025-08-03 16:23:24

One-time Pad

Time of First Successful Submission: 2025-08-03 16:44:30

One-time Pad Tampering

Time of First Successful Submission: 2025-08-03 17:26:22

Many-time Pad

Time of First Successful Submission: 2025-08-05 14:43:38

AES

Time of First Successful Submission: 2025-08-06 00:31:40

AES-ECB-CPA

Time of First Successful Submission: 2026-01-27 13:14:44

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-01-28 14:34:57

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-01-28 14:44:22

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-01-28 15:12:15

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-02-02 09:42:53

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-02-03 06:18:27

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-02-03 07:01:49

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-02-05 19:11:23

AES-CBC

Time of First Successful Submission: 2026-02-06 08:19:47

AES-CBC Tampering

Time of First Successful Submission: 2026-02-09 08:15:52

AES-CBC Resizing

Time of First Successful Submission: 2026-02-09 08:19:49

level1

Time of First Successful Submission: 2025-08-15 16:13:18

level2

Time of First Successful Submission: 2025-08-15 16:15:02

level3

Time of First Successful Submission: 2025-08-15 16:16:19

level4

Time of First Successful Submission: 2025-08-15 16:17:09

level5

Time of First Successful Submission: 2025-08-15 16:18:22

level6

Time of First Successful Submission: 2025-08-15 16:21:18

level7

Time of First Successful Submission: 2025-08-15 16:22:32

level8

Time of First Successful Submission: 2025-08-15 16:23:19

level9

Time of First Successful Submission: 2025-08-15 16:24:14

level10

Time of First Successful Submission: 2025-08-15 16:26:00

level11

Time of First Successful Submission: 2025-08-23 09:29:36

level12

Time of First Successful Submission: 2025-08-23 09:40:37

level13

Time of First Successful Submission: 2025-08-23 09:42:27

level14

Time of First Successful Submission: 2025-08-23 09:43:54

level15

Time of First Successful Submission: 2025-08-23 09:46:22

level16

Time of First Successful Submission: 2025-08-23 09:57:13

level17

Time of First Successful Submission: 2025-09-18 16:13:00

level18

Time of First Successful Submission: 2025-09-18 16:13:33

level19

Time of First Successful Submission: 2025-09-18 16:33:35

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-08-27 14:53:36

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-08-27 14:56:19

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-08-27 15:03:32

Reading Endianness (Python)

Time of First Successful Submission: 2025-08-27 16:31:51

Reading Endianness (C)

Time of First Successful Submission: 2025-09-05 17:12:55

Reading Endianness (x86)

Time of First Successful Submission: 2025-09-05 17:31:30

Version Information (Python)

Time of First Successful Submission: 2025-09-05 18:10:09

Version Information (C)

Time of First Successful Submission: 2025-09-05 18:38:06

Version Information (x86)

Time of First Successful Submission: 2025-09-05 18:41:52

Metadata and Data (Python)

Time of First Successful Submission: 2025-09-05 18:48:26

Metadata and Data (C)

Time of First Successful Submission: 2025-09-05 19:04:03

Metadata and Data (x86)

Time of First Successful Submission: 2025-09-05 19:17:38

Input Restrictions (Python)

Time of First Successful Submission: 2025-09-05 19:35:57

Input Restrictions (C)

Time of First Successful Submission: 2025-09-14 07:06:27

Input Restrictions (x86)

Time of First Successful Submission: 2025-09-14 07:16:39

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-09-14 07:25:06

Behold the cIMG! (C)

Time of First Successful Submission: 2025-09-14 07:31:06

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-09-14 08:01:21

A Basic cIMG (Python)

Time of First Successful Submission: 2025-09-14 08:13:41

A Basic cIMG (C)

Time of First Successful Submission: 2025-09-14 08:27:28

A Basic cIMG (x86)

Time of First Successful Submission: 2025-09-14 08:40:38

Internal State Mini (C)

Time of First Successful Submission: 2025-09-14 11:34:52

Internal State Mini (x86)

Time of First Successful Submission: 2025-09-14 12:16:44

Internal State (C)

Time of First Successful Submission: 2025-09-19 19:17:40

Internal State (x86)

Time of First Successful Submission: 2025-09-19 19:20:36

File Formats: Directives (C)

Time of First Successful Submission: 2025-09-19 19:30:27

File Formats: Directives (x86)

Time of First Successful Submission: 2025-09-19 19:44:53

Your First Overflow (easy)

Time of First Successful Submission: 2025-09-14 18:05:27

Your First Overflow (hard)

Time of First Successful Submission: 2025-09-14 18:40:45

Precision (easy)

Time of First Successful Submission: 2025-09-14 18:58:23

Precision (hard)

Time of First Successful Submission: 2025-09-14 19:03:55

Variable Control (easy)

Time of First Successful Submission: 2025-09-14 19:24:58

Variable Control (hard)

Time of First Successful Submission: 2025-09-14 19:31:03

Control Hijack (easy)

Time of First Successful Submission: 2025-09-14 19:39:55

Control Hijack (hard)

Time of First Successful Submission: 2025-09-14 19:44:11

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-09-15 09:08:00

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-09-15 09:26:08

PIEs (easy)

Time of First Successful Submission: 2025-09-15 17:34:19

PIEs (hard)

Time of First Successful Submission: 2025-09-15 17:12:44

String Lengths (easy)

Time of First Successful Submission: 2025-09-15 19:17:10

String Lengths (hard)

Time of First Successful Submission: 2025-09-15 19:39:38

Basic Shellcode

Time of First Successful Submission: 2025-09-16 10:07:14

NOP Sleds

Time of First Successful Submission: 2025-09-16 12:20:39

NULL-Free Shellcode

Time of First Successful Submission: 2025-09-16 12:23:09

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-09-16 13:28:36

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-09-16 13:36:04

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-09-16 14:33:46

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-09-16 14:36:34

Program Security

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ello ackers!

Time of First Successful Submission: 2026-01-13 13:20:27

Syscall Smuggler

Time of First Successful Submission: 2026-01-13 19:19:09

Start Here

10 / 12 16225 / 41581

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-13 03:24:36

Using the GUI Desktop

Time of First Successful Submission: 2025-06-13 03:27:28

Pasting into the Desktop

Time of First Successful Submission: 2025-06-13 03:36:12

Restarting Challenges

Time of First Successful Submission: 2025-06-13 03:39:47

Challenge Programs

Time of First Successful Submission: 2025-06-13 04:05:29

The Flag File

Time of First Successful Submission: 2025-06-13 04:23:21

Using Privileged Mode

Time of First Successful Submission: 2025-06-13 04:27:42

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-13 04:35:07

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-13 04:37:06

Linux Luminarium

107 / 128 5196 / 31049

Intro to Commands

Time of First Successful Submission: 2025-06-13 04:57:21

Intro to Arguments

Time of First Successful Submission: 2025-06-13 05:04:44

Command History

Time of First Successful Submission: 2025-06-13 05:06:10

The Root

Time of First Successful Submission: 2025-06-13 05:17:43

Program and absolute paths

Time of First Successful Submission: 2025-06-13 05:19:42

Position thy self

Time of First Successful Submission: 2025-06-13 05:24:07

Position elsewhere

Time of First Successful Submission: 2025-06-13 11:56:24

implicit relative paths, from /

Time of First Successful Submission: 2025-06-13 12:12:01

explicit relative paths, from /

Time of First Successful Submission: 2025-06-13 12:13:26

implicit relative path

Time of First Successful Submission: 2025-06-13 12:17:28

home sweet home

Time of First Successful Submission: 2025-06-13 12:45:51

cat: not the pet, but the command!

Time of First Successful Submission: 2025-06-13 13:03:31

catting absolute paths

Time of First Successful Submission: 2025-06-13 13:05:10

more catting practice

Time of First Successful Submission: 2025-06-13 13:06:40

grepping for a needle in a haystack

Time of First Successful Submission: 2025-06-13 13:08:21

listing files

Time of First Successful Submission: 2025-06-13 13:10:01

touching files

Time of First Successful Submission: 2025-06-13 13:11:09

removing files

Time of First Successful Submission: 2025-06-13 13:12:36

moving files

Time of First Successful Submission: 2025-06-13 13:14:03

hidden files

Time of First Successful Submission: 2025-06-13 13:15:22

An Epic Filesystem Quest

Time of First Successful Submission: 2025-06-13 13:21:39

making directories

Time of First Successful Submission: 2025-06-13 13:22:58

finding files

Time of First Successful Submission: 2025-06-13 13:26:00

linking files

Time of First Successful Submission: 2025-06-13 13:30:05

Learning From Documentation

Time of First Successful Submission: 2025-06-13 13:32:27

Learning Complex Usage

Time of First Successful Submission: 2025-06-13 13:34:27

Reading Manuals

Time of First Successful Submission: 2025-06-13 13:44:23

Searching Manuals

Time of First Successful Submission: 2025-06-13 13:47:58

Searching For Manuals

Time of First Successful Submission: 2025-06-13 13:55:38

Helpful Programs

Time of First Successful Submission: 2025-06-13 13:58:37

Help for Builtins

Time of First Successful Submission: 2025-06-13 14:01:47

Matching with *

Time of First Successful Submission: 2025-06-13 14:06:39

Matching with ?

Time of First Successful Submission: 2025-06-13 14:11:48

Matching with []

Time of First Successful Submission: 2025-06-13 14:19:17

Matching paths with []

Time of First Successful Submission: 2025-06-13 14:21:15

Multiple globs

Time of First Successful Submission: 2025-06-13 14:25:45

Mixing globs

Time of First Successful Submission: 2025-06-13 14:40:27

Exclusionary globbing

Time of First Successful Submission: 2025-06-13 14:48:49

Tab completion

Time of First Successful Submission: 2025-06-13 14:50:42

Multiple options for tab completion

Time of First Successful Submission: 2025-06-13 14:54:08

Tab completion on commands

Time of First Successful Submission: 2025-06-13 14:56:27

Redirecting output

Time of First Successful Submission: 2025-06-14 04:37:26

Redirecting more output

Time of First Successful Submission: 2025-06-14 04:39:47

Appending output

Time of First Successful Submission: 2025-06-14 04:43:18

Redirecting errors

Time of First Successful Submission: 2025-06-14 04:47:41

Redirecting input

Time of First Successful Submission: 2025-06-14 05:49:46

Grepping stored results

Time of First Successful Submission: 2025-06-14 05:51:35

Grepping live output

Time of First Successful Submission: 2025-06-14 05:52:48

Grepping errors

Time of First Successful Submission: 2025-06-14 05:55:12

Filtering with grep -v

Time of First Successful Submission: 2025-06-14 05:57:12

Duplicating piped data with tee

Time of First Successful Submission: 2025-06-14 06:00:52

Writing to multiple programs

Time of First Successful Submission: 2025-06-14 06:17:36

Split-piping stderr and stdout

Time of First Successful Submission: 2025-06-14 06:31:38

Printing Variables

Time of First Successful Submission: 2025-06-14 06:35:38

Setting Variables

Time of First Successful Submission: 2025-06-14 12:14:29

Multi-word Variables

Time of First Successful Submission: 2025-06-14 12:16:01

Exporting Variables

Time of First Successful Submission: 2025-06-14 12:20:09

Printing Exported Variables

Time of First Successful Submission: 2025-06-14 12:21:03

Storing Command Output

Time of First Successful Submission: 2025-06-14 12:23:13

Reading Input

Time of First Successful Submission: 2025-06-14 12:26:30

Reading Files

Time of First Successful Submission: 2025-06-14 12:29:39

Translating characters

Time of First Successful Submission: 2025-06-14 12:34:43

Deleting characters

Time of First Successful Submission: 2025-06-14 12:36:29

Deleting newlines

Time of First Successful Submission: 2025-06-14 12:39:26

Extracting the first lines with head

Time of First Successful Submission: 2025-06-14 12:42:57

Extracting specific sections of text

Time of First Successful Submission: 2025-06-14 12:48:41

Listing Processes

Time of First Successful Submission: 2025-06-14 13:10:49

Killing Processes

Time of First Successful Submission: 2025-06-14 13:15:18

Interrupting Processes

Time of First Successful Submission: 2025-06-14 13:17:20

Suspending Processes

Time of First Successful Submission: 2025-06-14 13:18:49

Resuming Processes

Time of First Successful Submission: 2025-06-14 13:20:48

Backgrounding Processes

Time of First Successful Submission: 2025-06-14 13:23:16

Foregrounding Processes

Time of First Successful Submission: 2025-06-14 13:28:54

Starting Backgrounded Processes

Time of First Successful Submission: 2025-06-14 13:30:23

Process Exit Codes

Time of First Successful Submission: 2025-06-14 13:33:12

Becoming root with su

Time of First Successful Submission: 2025-06-14 16:37:34

Other users with su

Time of First Successful Submission: 2025-06-14 16:38:58

Cracking passwords

Time of First Successful Submission: 2025-06-14 16:43:25

Using sudo

Time of First Successful Submission: 2025-06-14 16:46:06

Changing File Ownership

Time of First Successful Submission: 2025-06-14 14:16:45

Groups and Files

Time of First Successful Submission: 2025-06-14 14:33:10

Fun With Groups Names

Time of First Successful Submission: 2025-06-14 14:35:28

Changing Permissions

Time of First Successful Submission: 2025-06-14 14:42:28

Executable Files

Time of First Successful Submission: 2025-06-14 14:46:55

Permission Tweaking Practice

Time of First Successful Submission: 2025-06-14 16:22:28

Permissions Setting Practice

Time of First Successful Submission: 2025-06-14 16:27:45

The SUID Bit

Time of First Successful Submission: 2025-06-14 16:32:56

Chaining with Semicolons

Time of First Successful Submission: 2025-06-14 16:48:22

Your First Shell Script

Time of First Successful Submission: 2025-06-14 16:51:25

Redirecting Script Output

Time of First Successful Submission: 2025-06-14 16:55:15

Executable Shell Scripts

Time of First Successful Submission: 2025-06-14 17:05:19

The PATH Variable

Time of First Successful Submission: 2025-06-14 17:17:37

Setting PATH

Time of First Successful Submission: 2025-06-14 17:29:15

Finding Commands

Time of First Successful Submission: 2025-06-14 17:32:09

Adding Commands

Time of First Successful Submission: 2025-06-14 17:47:22

Hijacking Commands

Time of First Successful Submission: 2025-06-14 18:10:32

Bashrc Backdoor

Time of First Successful Submission: 2025-06-14 18:20:54

Sniffing Input

Time of First Successful Submission: 2025-06-14 18:41:49

Overshared Directories

Time of First Successful Submission: 2025-06-14 19:03:12

Tricky Linking

Time of First Successful Submission: 2025-06-14 19:30:36

Sniffing Process Arguments

Time of First Successful Submission: 2025-06-14 19:35:52

Snooping on Configurations

Time of First Successful Submission: 2025-06-14 19:40:47

The Fork Bomb

Time of First Successful Submission: 2025-06-14 20:01:29

Disk-Space Doomsday

Time of First Successful Submission: 2025-06-15 08:02:41

rm -rf /

Time of First Successful Submission: 2025-06-15 08:14:04

Life after rm -rf /

Time of First Successful Submission: 2025-06-15 08:23:08

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-06-15 08:27:48

Computing 101

68 / 94 1163 / 20952

Your First Register

Time of First Successful Submission: 2025-06-15 11:35:40

Your First Syscall

Time of First Successful Submission: 2025-06-15 11:40:23

Exit Codes

Time of First Successful Submission: 2025-06-15 11:43:23

Building Executables

Time of First Successful Submission: 2025-06-15 11:55:17

Moving Between Registers

Time of First Successful Submission: 2025-06-15 11:59:34

Loading From Memory

Time of First Successful Submission: 2025-06-15 16:24:03

More Loading Practice

Time of First Successful Submission: 2025-06-15 16:26:30

Dereferencing Pointers

Time of First Successful Submission: 2025-06-15 16:42:12

Dereferencing Yourself

Time of First Successful Submission: 2025-06-15 16:51:48

Dereferencing with Offsets

Time of First Successful Submission: 2025-06-15 16:57:37

Stored Addresses

Time of First Successful Submission: 2025-06-15 17:04:44

Double Dereference

Time of First Successful Submission: 2025-06-15 17:10:00

Tracing Syscalls

Time of First Successful Submission: 2025-06-15 12:06:35

Starting GDB

Time of First Successful Submission: 2025-06-15 12:08:48

Starting Programs in GDB

Time of First Successful Submission: 2025-06-15 16:08:57

Writing Output

Time of First Successful Submission: 2025-06-16 05:44:31

Chaining Syscalls

Time of First Successful Submission: 2025-06-16 12:59:19

Writing Strings

Time of First Successful Submission: 2025-06-16 13:01:25

Reading Data

Time of First Successful Submission: 2025-06-16 13:12:32

set-register

Time of First Successful Submission: 2025-06-16 13:32:56

set-multiple-registers

Time of First Successful Submission: 2025-06-16 13:35:01

add-to-register

Time of First Successful Submission: 2025-06-16 13:37:21

linear-equation-registers

Time of First Successful Submission: 2025-06-16 13:41:36

integer-division

Time of First Successful Submission: 2025-06-16 13:47:56

modulo-operation

Time of First Successful Submission: 2025-06-16 13:55:38

set-upper-byte

Time of First Successful Submission: 2025-06-16 14:05:36

efficient-modulo

Time of First Successful Submission: 2025-06-16 15:38:58

byte-extraction

Time of First Successful Submission: 2025-06-16 15:53:45

bitwise-and

Time of First Successful Submission: 2025-06-16 16:41:03

check-even

Time of First Successful Submission: 2025-06-16 17:14:18

memory-read

Time of First Successful Submission: 2025-06-16 17:22:55

memory-write

Time of First Successful Submission: 2025-06-16 17:27:11

memory-increment

Time of First Successful Submission: 2025-06-16 17:42:37

byte-access

Time of First Successful Submission: 2025-06-16 17:50:48

memory-size-access

Time of First Successful Submission: 2025-06-16 18:08:57

little-endian-write

Time of First Successful Submission: 2025-06-16 18:22:07

memory-sum

Time of First Successful Submission: 2025-06-16 18:34:19

stack-subtraction

Time of First Successful Submission: 2025-06-16 18:43:27

swap-stack-values

Time of First Successful Submission: 2025-06-17 16:13:00

average-stack-values

Time of First Successful Submission: 2025-06-17 16:23:26

absolute-jump

Time of First Successful Submission: 2025-06-17 16:27:15

relative-jump

Time of First Successful Submission: 2025-06-18 04:31:31

jump-trampoline

Time of First Successful Submission: 2025-06-18 04:37:40

conditional-jump

Time of First Successful Submission: 2025-06-18 04:51:10

indirect-jump

Time of First Successful Submission: 2025-06-18 04:56:33

average-loop

Time of First Successful Submission: 2025-06-18 04:58:30

count-non-zero

Time of First Successful Submission: 2025-06-18 14:04:54

string-lower

Time of First Successful Submission: 2025-06-18 15:47:34

most-common-byte

Time of First Successful Submission: 2025-06-19 05:26:29

Exit

Time of First Successful Submission: 2025-06-20 14:54:40

Socket

Time of First Successful Submission: 2025-06-20 15:03:06

Bind

Time of First Successful Submission: 2025-06-20 15:51:12

Listen

Time of First Successful Submission: 2025-06-20 16:01:04

Accept

Time of First Successful Submission: 2025-06-20 16:08:42

Static Response

Time of First Successful Submission: 2025-06-21 12:55:03

Dynamic Response

Time of First Successful Submission: 2025-06-21 14:15:14

Iterative GET Server

Time of First Successful Submission: 2025-06-21 14:28:03

Concurrent GET Server

Time of First Successful Submission: 2025-06-22 06:25:23

Concurrent POST Server

Time of First Successful Submission: 2025-06-23 13:01:11

Web Server

Time of First Successful Submission: 2025-06-25 05:15:55

Debugging Programs

Time of First Successful Submission: 2025-06-19 06:10:47

Inspecting Registers

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

Examining Memory

Time of First Successful Submission: 2025-06-19 11:02:08

Setting Breakpoints

Time of First Successful Submission: 2025-06-19 16:27:05

GDB Scripting

Time of First Successful Submission: 2025-06-19 17:31:44

Modifying Data

Time of First Successful Submission: 2025-06-20 06:05:09

Modifying Execution

Time of First Successful Submission: 2025-06-20 06:07:30

Broken Functions

Time of First Successful Submission: 2025-06-20 07:49:54

Playing With Programs

116 / 116 192 / 23022

What's the password?

Time of First Successful Submission: 2025-06-25 11:48:58

... and again!

Time of First Successful Submission: 2025-06-25 11:54:28

Newline Troubles

Time of First Successful Submission: 2025-06-25 12:00:51

Reasoning about files

Time of First Successful Submission: 2025-06-25 12:27:48

Specifying Filenames

Time of First Successful Submission: 2025-06-25 12:34:02

Binary and Hex Encoding

Time of First Successful Submission: 2025-06-25 12:41:13

More Hex

Time of First Successful Submission: 2025-06-25 12:43:43

Decoding Hex

Time of First Successful Submission: 2025-06-25 12:55:22

Decoding Practice

Time of First Successful Submission: 2025-06-25 16:01:12

Encoding Practice

Time of First Successful Submission: 2025-06-26 04:09:44

Hex-encoding ASCII

Time of First Successful Submission: 2025-06-26 04:41:52

Nested Encoding

Time of First Successful Submission: 2025-06-26 04:51:41

Hex-encoding UTF-8

Time of First Successful Submission: 2025-06-26 04:57:29

UTF Mixups

Time of First Successful Submission: 2025-06-26 05:06:27

Modifying Encoded Data

Time of First Successful Submission: 2025-06-26 05:37:22

Decoding Base64

Time of First Successful Submission: 2025-06-26 05:46:17

Encoding Base64

Time of First Successful Submission: 2025-06-26 05:50:55

Dealing with Obfuscation

Time of First Successful Submission: 2025-06-26 06:05:44

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-06-26 12:59:50

Your First HTTP Request

Time of First Successful Submission: 2025-06-27 12:25:44

Reading Flask

Time of First Successful Submission: 2025-06-28 06:02:27

Commented Data

Time of First Successful Submission: 2025-06-28 06:06:47

HTTP Metadata

Time of First Successful Submission: 2025-06-28 12:46:04

HTTP (netcat)

Time of First Successful Submission: 2025-06-28 12:56:56

HTTP Paths (netcat)

Time of First Successful Submission: 2025-06-28 13:00:56

HTTP (curl)

Time of First Successful Submission: 2025-06-28 13:10:07

HTTP (python)

Time of First Successful Submission: 2025-06-28 13:18:46

HTTP Host Header (python)

Time of First Successful Submission: 2025-06-28 13:36:17

HTTP Host Header (curl)

Time of First Successful Submission: 2025-06-28 14:07:43

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-06-28 14:13:03

URL Encoding (netcat)

Time of First Successful Submission: 2025-06-28 14:21:57

HTTP GET Parameters

Time of First Successful Submission: 2025-06-29 04:13:19

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-06-29 04:21:12

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-06-29 04:29:52

HTTP Forms

Time of First Successful Submission: 2025-06-29 04:39:50

HTTP Forms (curl)

Time of First Successful Submission: 2025-06-29 04:44:40

HTTP Forms (netcat)

Time of First Successful Submission: 2025-06-29 12:31:40

HTTP Forms (python)

Time of First Successful Submission: 2025-06-29 12:35:06

HTTP Forms Without Forms

Time of First Successful Submission: 2025-06-29 12:43:01

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-06-29 12:45:44

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-06-29 12:52:59

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-06-29 13:49:32

HTTP Redirects (curl)

Time of First Successful Submission: 2025-06-29 14:03:15

HTTP Redirects (python)

Time of First Successful Submission: 2025-06-29 14:25:42

HTTP Cookies (curl)

Time of First Successful Submission: 2025-06-29 14:32:51

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-06-29 14:42:50

HTTP Cookies (python)

Time of First Successful Submission: 2025-06-29 14:48:17

Server State (python)

Time of First Successful Submission: 2025-06-29 14:50:23

Listening Web

Time of First Successful Submission: 2025-06-29 14:57:34

Speaking Redirects

Time of First Successful Submission: 2025-06-29 15:49:04

JavaScript Redirects

Time of First Successful Submission: 2025-06-29 16:27:49

Including JavaScript

Time of First Successful Submission: 2025-06-29 16:33:15

HTTP (javascript)

Time of First Successful Submission: 2025-06-30 11:56:00

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-06-30 12:14:58

HTTP Forms (javascript)

Time of First Successful Submission: 2025-06-30 12:19:37

cat

Time of First Successful Submission: 2025-06-30 15:41:43

more

Time of First Successful Submission: 2025-06-30 15:52:50

less

Time of First Successful Submission: 2025-06-30 15:53:26

tail

Time of First Successful Submission: 2025-06-30 15:54:10

head

Time of First Successful Submission: 2025-06-30 15:55:17

sort

Time of First Successful Submission: 2025-06-30 15:56:16

vim

Time of First Successful Submission: 2025-06-30 15:56:50

emacs

Time of First Successful Submission: 2025-06-30 15:58:37

nano

Time of First Successful Submission: 2025-06-30 16:00:14

rev

Time of First Successful Submission: 2025-06-30 16:05:07

od

Time of First Successful Submission: 2025-06-30 16:19:13

hd

Time of First Successful Submission: 2025-06-30 16:20:57

xxd

Time of First Successful Submission: 2025-06-30 16:24:25

base32

Time of First Successful Submission: 2025-07-01 08:30:10

base64

Time of First Successful Submission: 2025-07-01 08:35:15

split

Time of First Successful Submission: 2025-07-01 08:36:52

gzip

Time of First Successful Submission: 2025-07-01 08:40:42

bzip2

Time of First Successful Submission: 2025-07-01 08:42:00

zip

Time of First Successful Submission: 2025-07-01 08:45:25

tar

Time of First Successful Submission: 2025-07-01 13:05:13

ar

Time of First Successful Submission: 2025-07-01 13:13:11

cpio

Time of First Successful Submission: 2025-07-01 13:46:59

genisoimage

Time of First Successful Submission: 2025-07-03 12:39:25

env

Time of First Successful Submission: 2025-07-02 05:13:47

find

Time of First Successful Submission: 2025-07-02 05:20:37

make

Time of First Successful Submission: 2025-07-02 05:33:49

nice

Time of First Successful Submission: 2025-07-02 05:53:39

timeout

Time of First Successful Submission: 2025-07-02 05:55:44

stdbuf

Time of First Successful Submission: 2025-07-02 05:57:45

setarch

Time of First Successful Submission: 2025-07-02 06:01:25

watch

Time of First Successful Submission: 2025-07-02 13:15:52

socat

Time of First Successful Submission: 2025-07-02 13:20:19

whiptail

Time of First Successful Submission: 2025-07-03 12:44:24

awk

Time of First Successful Submission: 2025-07-02 14:13:49

sed

Time of First Successful Submission: 2025-07-02 14:15:23

ed

Time of First Successful Submission: 2025-07-02 14:17:02

chown

Time of First Successful Submission: 2025-07-02 14:18:03

chmod

Time of First Successful Submission: 2025-07-02 14:18:50

cp

Time of First Successful Submission: 2025-07-02 14:24:49

mv

Time of First Successful Submission: 2025-07-05 06:00:43

perl

Time of First Successful Submission: 2025-07-02 14:42:51

python

Time of First Successful Submission: 2025-07-02 14:46:00

ruby

Time of First Successful Submission: 2025-07-02 14:48:14

bash

Time of First Successful Submission: 2025-07-02 14:53:21

date

Time of First Successful Submission: 2025-07-03 12:52:25

dmesg

Time of First Successful Submission: 2025-07-03 12:53:18

wc

Time of First Successful Submission: 2025-07-03 12:55:04

gcc

Time of First Successful Submission: 2025-07-03 12:56:51

as

Time of First Successful Submission: 2025-07-03 12:58:04

wget

Time of First Successful Submission: 2025-07-03 12:23:20

ssh-keygen

Time of First Successful Submission: 2025-07-05 06:09:51

SQL Queries

Time of First Successful Submission: 2025-07-04 12:50:18

Filtering SQL

Time of First Successful Submission: 2025-07-04 12:57:01

Choosing Columns

Time of First Successful Submission: 2025-07-04 12:59:50

Exclusionary Filtering

Time of First Successful Submission: 2025-07-04 13:06:24

Filtering Strings

Time of First Successful Submission: 2025-07-04 13:10:49

Filtering on Expressions

Time of First Successful Submission: 2025-07-04 13:22:18

SELECTing Expressions

Time of First Successful Submission: 2025-07-04 13:34:17

Composite Conditions

Time of First Successful Submission: 2025-07-04 13:45:24

Reaching Your LIMITs

Time of First Successful Submission: 2025-07-04 13:53:00

Querying Metadata

Time of First Successful Submission: 2025-07-04 13:59:34

GCA CTF

10 / 104 16347 / 41858

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-13 03:24:36

Using the GUI Desktop

Time of First Successful Submission: 2025-06-13 03:27:28

Pasting into the Desktop

Time of First Successful Submission: 2025-06-13 03:36:12

Restarting Challenges

Time of First Successful Submission: 2025-06-13 03:39:47

Getting Help

Time of First Successful Submission: 2025-06-13 04:00:24

Challenge Programs

Time of First Successful Submission: 2025-06-13 04:05:29

The Flag File

Time of First Successful Submission: 2025-06-13 04:23:21

Using Privileged Mode

Time of First Successful Submission: 2025-06-13 04:27:42

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-13 04:35:07

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-13 04:37:06