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31 / 232 9841 / 26153

Triple Dereference

Time of First Successful Submission: 2025-10-17 02:06:43

set-register

Time of First Successful Submission: 2025-10-17 03:11:50

set-multiple-registers

Time of First Successful Submission: 2025-10-17 03:14:50

add-to-register

Time of First Successful Submission: 2025-10-17 03:18:46

linear-equation-registers

Time of First Successful Submission: 2025-10-17 03:29:26

integer-division

Time of First Successful Submission: 2025-10-17 03:34:33

modulo-operation

Time of First Successful Submission: 2025-10-17 03:37:34

set-upper-byte

Time of First Successful Submission: 2025-10-17 03:46:22

efficient-modulo

Time of First Successful Submission: 2025-10-17 04:16:03

byte-extraction

Time of First Successful Submission: 2025-10-17 18:14:47

bitwise-and

Time of First Successful Submission: 2025-10-17 18:20:20

check-even

Time of First Successful Submission: 2025-10-17 18:47:08

memory-read

Time of First Successful Submission: 2025-10-17 18:58:25

memory-write

Time of First Successful Submission: 2025-10-17 19:01:08

memory-increment

Time of First Successful Submission: 2025-10-17 19:22:54

byte-access

Time of First Successful Submission: 2025-10-17 19:25:58

memory-size-access

Time of First Successful Submission: 2025-10-17 19:30:58

little-endian-write

Time of First Successful Submission: 2025-10-17 19:35:34

memory-sum

Time of First Successful Submission: 2025-10-17 19:59:31

stack-subtraction

Time of First Successful Submission: 2025-10-17 20:12:42

swap-stack-values

Time of First Successful Submission: 2025-10-17 22:57:19

average-stack-values

Time of First Successful Submission: 2025-10-17 23:19:30

absolute-jump

Time of First Successful Submission: 2025-10-17 23:30:15

relative-jump

Time of First Successful Submission: 2025-10-18 00:15:31

jump-trampoline

Time of First Successful Submission: 2025-10-18 00:26:37

conditional-jump

Time of First Successful Submission: 2025-10-18 03:07:04

indirect-jump

Time of First Successful Submission: 2025-10-18 03:45:25

average-loop

Time of First Successful Submission: 2025-10-18 04:21:59

count-non-zero

Time of First Successful Submission: 2025-10-18 21:38:33

string-lower

Time of First Successful Submission: 2025-10-19 15:32:30

most-common-byte

Time of First Successful Submission: 2025-10-19 19:08:28

Intro to Programming Languages

15 / 253 6232 / 55842

Commands

Time of First Successful Submission: 2025-10-13 17:00:39

Command Arguments

Time of First Successful Submission: 2025-10-13 17:01:56

Command History

Time of First Successful Submission: 2025-10-13 17:02:42

The Root Path

Time of First Successful Submission: 2025-10-13 21:23:35

Absolute Paths

Time of First Successful Submission: 2025-10-13 21:24:34

Changing position

Time of First Successful Submission: 2025-10-13 21:28:02

Changing to an Absolute Path

Time of First Successful Submission: 2025-10-13 21:29:18

Relative Paths

Time of First Successful Submission: 2025-10-13 21:32:37

Cat

Time of First Successful Submission: 2025-10-13 21:42:02

Ls

Time of First Successful Submission: 2025-10-13 21:48:53

Ls All

Time of First Successful Submission: 2025-10-13 21:53:35

Find

Time of First Successful Submission: 2025-10-13 22:16:18

Piping Echo

Time of First Successful Submission: 2025-10-14 01:45:29

Piping Stdout

Time of First Successful Submission: 2025-10-14 01:47:15

Piping Stdin

Time of First Successful Submission: 2025-10-14 01:54:29

Intro to Cybersecurity

183 / 183 343 / 26711

Path Traversal 1

Time of First Successful Submission: 2025-10-29 01:02:59

Path Traversal 2

Time of First Successful Submission: 2025-10-29 18:45:55

CMDi 1

Time of First Successful Submission: 2025-10-31 19:02:04

CMDi 2

Time of First Successful Submission: 2025-10-31 19:12:21

CMDi 3

Time of First Successful Submission: 2025-10-31 22:24:19

CMDi 4

Time of First Successful Submission: 2025-10-31 23:14:15

CMDi 5

Time of First Successful Submission: 2025-10-31 23:45:51

CMDi 6

Time of First Successful Submission: 2025-11-01 01:55:03

Authentication Bypass 1

Time of First Successful Submission: 2025-11-01 15:55:12

Authentication Bypass 2

Time of First Successful Submission: 2025-11-01 15:57:43

SQLi 1

Time of First Successful Submission: 2025-11-01 19:53:05

SQLi 2

Time of First Successful Submission: 2025-11-01 20:00:04

SQLi 3

Time of First Successful Submission: 2025-11-01 20:13:32

SQLi 4

Time of First Successful Submission: 2025-11-01 20:18:45

SQLi 5

Time of First Successful Submission: 2025-11-01 21:26:13

XSS 1

Time of First Successful Submission: 2025-11-02 23:30:10

XSS 2

Time of First Successful Submission: 2025-11-04 03:18:04

XSS 3

Time of First Successful Submission: 2025-11-04 14:48:49

XSS 4

Time of First Successful Submission: 2025-11-04 14:54:35

XSS 5

Time of First Successful Submission: 2025-11-04 17:04:24

XSS 6

Time of First Successful Submission: 2025-11-04 18:57:59

XSS 7

Time of First Successful Submission: 2025-11-04 19:29:54

CSRF 1

Time of First Successful Submission: 2025-11-04 22:39:28

CSRF 2

Time of First Successful Submission: 2025-11-04 22:45:33

CSRF 3

Time of First Successful Submission: 2025-11-04 23:06:52

CSRF 4

Time of First Successful Submission: 2025-11-04 23:46:54

CSRF 5

Time of First Successful Submission: 2025-11-05 00:06:40

Connect

Time of First Successful Submission: 2025-11-05 07:33:19

Send

Time of First Successful Submission: 2025-11-05 13:12:18

Shutdown

Time of First Successful Submission: 2025-11-05 14:07:27

Listen

Time of First Successful Submission: 2025-11-05 14:14:48

Scan 1

Time of First Successful Submission: 2025-11-05 16:43:00

Scan 2

Time of First Successful Submission: 2025-11-05 19:30:47

Monitor 1

Time of First Successful Submission: 2025-11-05 20:14:03

Monitor 2

Time of First Successful Submission: 2025-11-05 23:43:50

Sniffing Cookies

Time of First Successful Submission: 2025-11-06 02:43:43

Network Configuration

Time of First Successful Submission: 2025-11-06 03:06:23

Firewall 1

Time of First Successful Submission: 2025-11-06 03:15:52

Firewall 2

Time of First Successful Submission: 2025-11-06 15:22:58

Firewall 3

Time of First Successful Submission: 2025-11-06 15:36:34

Denial of Service 1

Time of First Successful Submission: 2025-11-06 15:52:49

Denial of Service 2

Time of First Successful Submission: 2025-11-06 16:46:34

Denial of Service 3

Time of First Successful Submission: 2025-11-06 17:11:08

Ethernet

Time of First Successful Submission: 2025-11-06 17:55:46

IP

Time of First Successful Submission: 2025-11-06 17:58:16

TCP

Time of First Successful Submission: 2025-11-06 18:55:20

TCP Handshake

Time of First Successful Submission: 2025-11-06 19:23:06

UDP

Time of First Successful Submission: 2025-11-06 19:40:06

UDP 2

Time of First Successful Submission: 2025-11-06 19:41:53

UDP Spoofing 1

Time of First Successful Submission: 2025-11-06 19:47:06

UDP Spoofing 2

Time of First Successful Submission: 2025-11-06 20:31:16

UDP Spoofing 3

Time of First Successful Submission: 2025-11-06 21:26:10

UDP Spoofing 4

Time of First Successful Submission: 2025-11-06 22:58:45

ARP

Time of First Successful Submission: 2025-11-06 23:31:10

Intercept

Time of First Successful Submission: 2025-11-07 00:03:35

Man-in-the-Middle

Time of First Successful Submission: 2025-11-07 02:30:39

XOR

Time of First Successful Submission: 2025-11-07 17:48:00

XORing Hex

Time of First Successful Submission: 2025-11-07 17:53:24

XORing ASCII

Time of First Successful Submission: 2025-11-07 18:09:56

XORing ASCII Strings

Time of First Successful Submission: 2025-11-07 18:35:44

One-time Pad

Time of First Successful Submission: 2025-11-07 18:54:46

One-time Pad Tampering

Time of First Successful Submission: 2025-11-07 19:12:54

Many-time Pad

Time of First Successful Submission: 2025-11-07 20:52:55

AES

Time of First Successful Submission: 2025-11-08 00:44:01

AES-ECB-CPA

Time of First Successful Submission: 2025-11-08 02:10:21

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-11-08 04:24:09

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2025-11-08 16:04:55

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2025-11-08 16:33:25

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2025-11-08 23:53:45

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2025-11-08 23:55:17

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2025-11-09 00:45:43

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2025-11-10 04:16:57

AES-CBC

Time of First Successful Submission: 2025-11-09 23:35:57

AES-CBC Tampering

Time of First Successful Submission: 2025-11-10 15:12:23

AES-CBC Resizing

Time of First Successful Submission: 2025-11-10 15:16:18

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-11-11 02:30:23

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-11-11 02:38:19

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2025-11-11 03:25:35

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-11-11 20:42:35

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2025-11-11 20:44:39

DHKE

Time of First Successful Submission: 2025-11-12 01:56:58

DHKE-to-AES

Time of First Successful Submission: 2025-11-12 02:27:05

RSA 1

Time of First Successful Submission: 2025-11-12 12:56:13

RSA 2

Time of First Successful Submission: 2025-11-12 13:02:18

RSA 3

Time of First Successful Submission: 2025-11-12 13:49:54

RSA 4

Time of First Successful Submission: 2025-11-12 14:05:44

RSA Signatures

Time of First Successful Submission: 2025-11-12 21:03:21

SHA 1

Time of First Successful Submission: 2025-11-12 22:42:22

SHA 2

Time of First Successful Submission: 2025-11-12 22:48:55

TLS 1

Time of First Successful Submission: 2025-11-12 23:32:26

TLS 2

Time of First Successful Submission: 2025-11-13 01:35:17

level1

Time of First Successful Submission: 2025-11-13 01:50:52

level2

Time of First Successful Submission: 2025-11-13 01:51:38

level3

Time of First Successful Submission: 2025-11-13 01:52:33

level4

Time of First Successful Submission: 2025-11-13 01:53:37

level5

Time of First Successful Submission: 2025-11-13 02:00:39

level6

Time of First Successful Submission: 2025-11-13 02:04:11

level7

Time of First Successful Submission: 2025-11-13 02:10:13

level8

Time of First Successful Submission: 2025-11-13 02:18:15

level9

Time of First Successful Submission: 2025-11-13 02:19:32

level10

Time of First Successful Submission: 2025-11-13 02:22:15

level11

Time of First Successful Submission: 2025-11-13 02:24:41

level12

Time of First Successful Submission: 2025-11-13 02:27:05

level13

Time of First Successful Submission: 2025-11-13 02:38:51

level14

Time of First Successful Submission: 2025-11-13 02:40:06

level15

Time of First Successful Submission: 2025-11-13 02:41:20

level16

Time of First Successful Submission: 2025-11-13 02:45:36

level17

Time of First Successful Submission: 2025-11-13 04:18:46

level18

Time of First Successful Submission: 2025-11-13 04:42:46

level19

Time of First Successful Submission: 2025-11-13 04:43:29

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-11-13 18:36:42

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-11-13 19:00:36

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-11-13 19:11:08

Reading Endianness (Python)

Time of First Successful Submission: 2025-11-13 19:44:34

Reading Endianness (C)

Time of First Successful Submission: 2025-11-13 19:59:29

Reading Endianness (x86)

Time of First Successful Submission: 2025-11-13 20:12:00

Version Information (Python)

Time of First Successful Submission: 2025-11-13 21:33:48

Version Information (C)

Time of First Successful Submission: 2025-11-13 21:48:02

Version Information (x86)

Time of First Successful Submission: 2025-11-13 22:04:03

Metadata and Data (Python)

Time of First Successful Submission: 2025-11-13 23:25:04

Metadata and Data (C)

Time of First Successful Submission: 2025-11-13 23:50:36

Metadata and Data (x86)

Time of First Successful Submission: 2025-11-14 00:00:24

Input Restrictions (Python)

Time of First Successful Submission: 2025-11-14 02:38:42

Input Restrictions (C)

Time of First Successful Submission: 2025-11-14 02:47:58

Input Restrictions (x86)

Time of First Successful Submission: 2025-11-14 02:55:30

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-11-14 03:34:50

Behold the cIMG! (C)

Time of First Successful Submission: 2025-11-14 03:43:52

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-11-14 03:50:39

A Basic cIMG (Python)

Time of First Successful Submission: 2025-11-14 16:37:07

A Basic cIMG (C)

Time of First Successful Submission: 2025-11-14 16:48:30

A Basic cIMG (x86)

Time of First Successful Submission: 2025-11-14 17:08:21

Internal State Mini (C)

Time of First Successful Submission: 2025-11-15 06:18:55

Internal State Mini (x86)

Time of First Successful Submission: 2025-11-15 20:02:36

Internal State (C)

Time of First Successful Submission: 2025-11-15 21:54:40

Internal State (x86)

Time of First Successful Submission: 2025-11-16 03:59:45

File Formats: Directives (C)

Time of First Successful Submission: 2025-11-16 20:27:38

File Formats: Directives (x86)

Time of First Successful Submission: 2025-11-16 23:26:25

The Patch Directive

Time of First Successful Submission: 2025-11-19 04:13:35

Optimizing for Space

Time of First Successful Submission: 2025-11-23 17:16:26

Tweaking Images

Time of First Successful Submission: 2025-11-20 21:18:19

Storage and Retrieval

Time of First Successful Submission: 2025-11-23 03:04:18

Extracting Knowledge

Time of First Successful Submission: 2025-11-23 15:51:55

Advanced Sprites

Time of First Successful Submission: 2025-11-24 05:34:31

Accessing Resources

Time of First Successful Submission: 2025-11-24 16:58:39

Unsafe Animations

Time of First Successful Submission: 2025-11-25 01:16:01

Animations

Time of First Successful Submission: 2025-11-25 17:57:01

Interoperability: Patching Data

Time of First Successful Submission: 2025-11-25 19:29:14

Patching Code

Time of First Successful Submission: 2025-11-25 21:13:31

Patching Control Flow

Time of First Successful Submission: 2025-11-25 21:59:17

Your First Overflow (easy)

Time of First Successful Submission: 2025-11-27 03:42:54

Your First Overflow (hard)

Time of First Successful Submission: 2025-11-27 17:21:01

Precision (easy)

Time of First Successful Submission: 2025-11-27 17:31:09

Precision (hard)

Time of First Successful Submission: 2025-11-27 19:00:43

Variable Control (easy)

Time of First Successful Submission: 2025-11-27 20:56:44

Variable Control (hard)

Time of First Successful Submission: 2025-11-27 21:29:23

Control Hijack (easy)

Time of First Successful Submission: 2025-11-27 22:15:14

Control Hijack (hard)

Time of First Successful Submission: 2025-11-27 22:56:10

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-11-28 00:10:23

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-11-28 00:42:26

PIEs (easy)

Time of First Successful Submission: 2025-11-28 19:16:56

PIEs (hard)

Time of First Successful Submission: 2025-11-28 20:32:01

String Lengths (easy)

Time of First Successful Submission: 2025-11-28 21:36:20

String Lengths (hard)

Time of First Successful Submission: 2025-11-28 22:07:39

Basic Shellcode

Time of First Successful Submission: 2025-11-29 05:16:51

NOP Sleds

Time of First Successful Submission: 2025-11-29 19:43:28

NULL-Free Shellcode

Time of First Successful Submission: 2025-11-29 19:45:35

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-11-29 23:58:12

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-11-30 01:30:17

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-11-30 06:26:07

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-11-30 06:42:50

ECB-to-Win (easy)

Time of First Successful Submission: 2025-12-01 04:31:31

ECB-to-Win (hard)

Time of First Successful Submission: 2025-12-01 06:33:28

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-12-01 09:31:33

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-12-01 10:36:47

CIMG Screenshots

Time of First Successful Submission: 2026-10-16 18:17:40

CIMG Screenshots 2

Time of First Successful Submission: 2026-10-21 14:01:57

Wily Webserver

Time of First Successful Submission: 2026-10-22 01:21:50

The Watering Hole

Time of First Successful Submission: 2026-11-05 17:11:59

Secure Chat 1

Time of First Successful Submission: 2026-11-06 23:23:59

Secure Chat 2

Time of First Successful Submission: 2026-11-09 16:11:38

Secure Chat 3

Time of First Successful Submission: 2026-11-13 12:16:17

Secure Chat 4

Time of First Successful Submission: 2026-11-13 18:53:32

Secure Chat 5

Time of First Successful Submission: 2026-11-14 00:21:42

Program Security

3 / 159 9559 / 11083

ello ackers!

Time of First Successful Submission: 2026-11-15 01:44:04

Syscall Smuggler

Time of First Successful Submission: 2026-11-15 02:41:52

Syscall Shenanigans

Time of First Successful Submission: 2026-11-15 03:17:09

Start Here

10 / 10 4290 / 77673

Using the Terminal

Time of First Successful Submission: 2025-10-13 15:29:32

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-13 15:31:44

Using the GUI Desktop

Time of First Successful Submission: 2025-10-13 15:33:53

Pasting into the Desktop

Time of First Successful Submission: 2025-10-13 15:36:31

Restarting Challenges

Time of First Successful Submission: 2025-10-13 15:38:52

Challenge Programs

Time of First Successful Submission: 2025-10-16 00:50:56

The Flag File

Time of First Successful Submission: 2025-10-16 00:53:20

Using Privileged Mode

Time of First Successful Submission: 2025-10-16 00:56:34

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-16 00:59:49

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-16 01:00:44

Linux Luminarium

128 / 128 6502 / 56620

Intro to Commands

Time of First Successful Submission: 2025-10-13 17:00:39

Intro to Arguments

Time of First Successful Submission: 2025-10-13 17:01:56

Command History

Time of First Successful Submission: 2025-10-13 17:02:42

The Root

Time of First Successful Submission: 2025-10-13 21:23:35

Program and absolute paths

Time of First Successful Submission: 2025-10-13 21:24:34

Position thy self

Time of First Successful Submission: 2025-10-13 21:28:02

Position elsewhere

Time of First Successful Submission: 2025-10-13 21:29:18

implicit relative paths, from /

Time of First Successful Submission: 2025-10-13 21:32:37

explicit relative paths, from /

Time of First Successful Submission: 2025-10-13 21:35:01

implicit relative path

Time of First Successful Submission: 2025-10-13 21:36:31

home sweet home

Time of First Successful Submission: 2025-10-13 21:39:36

cat: not the pet, but the command!

Time of First Successful Submission: 2025-10-13 21:42:02

catting absolute paths

Time of First Successful Submission: 2025-10-13 21:42:49

more catting practice

Time of First Successful Submission: 2025-10-13 21:43:50

grepping for a needle in a haystack

Time of First Successful Submission: 2025-10-13 21:45:32

comparing files

Time of First Successful Submission: 2025-10-13 21:47:31

listing files

Time of First Successful Submission: 2025-10-13 21:48:53

touching files

Time of First Successful Submission: 2025-10-13 21:50:06

removing files

Time of First Successful Submission: 2025-10-13 21:51:24

moving files

Time of First Successful Submission: 2025-10-13 21:52:27

copying files

Time of First Successful Submission: 2026-11-04 13:53:55

hidden files

Time of First Successful Submission: 2025-10-13 21:53:35

An Epic Filesystem Quest

Time of First Successful Submission: 2025-10-13 22:01:56

making directories

Time of First Successful Submission: 2025-10-13 22:02:58

finding files

Time of First Successful Submission: 2025-10-13 22:16:18

linking files

Time of First Successful Submission: 2025-10-13 22:30:18

Learning From Documentation

Time of First Successful Submission: 2025-10-13 22:33:55

Learning Complex Usage

Time of First Successful Submission: 2025-10-13 23:28:48

Reading Manuals

Time of First Successful Submission: 2025-10-13 23:32:18

Searching Manuals

Time of First Successful Submission: 2025-10-13 23:33:53

Searching For Manuals

Time of First Successful Submission: 2025-10-13 23:37:17

Helpful Programs

Time of First Successful Submission: 2025-10-13 23:40:05

Help for Builtins

Time of First Successful Submission: 2025-10-13 23:41:20

Matching with *

Time of First Successful Submission: 2025-10-14 00:45:35

Matching with ?

Time of First Successful Submission: 2025-10-14 00:48:21

Matching with []

Time of First Successful Submission: 2025-10-14 00:51:04

Matching paths with []

Time of First Successful Submission: 2025-10-14 00:52:26

Multiple globs

Time of First Successful Submission: 2025-10-14 00:54:16

Mixing globs

Time of First Successful Submission: 2025-10-14 01:00:58

Exclusionary globbing

Time of First Successful Submission: 2025-10-14 01:02:49

Tab completion

Time of First Successful Submission: 2025-10-14 01:04:27

Multiple options for tab completion

Time of First Successful Submission: 2025-10-14 01:06:20

Tab completion on commands

Time of First Successful Submission: 2025-10-14 01:07:04

Redirecting output

Time of First Successful Submission: 2025-10-14 01:45:29

Redirecting more output

Time of First Successful Submission: 2025-10-14 01:47:15

Appending output

Time of First Successful Submission: 2025-10-14 01:49:04

Redirecting errors

Time of First Successful Submission: 2025-10-14 01:51:32

Redirecting input

Time of First Successful Submission: 2025-10-14 01:54:29

Grepping stored results

Time of First Successful Submission: 2025-10-14 01:55:39

Grepping live output

Time of First Successful Submission: 2025-10-14 01:56:27

Grepping errors

Time of First Successful Submission: 2025-10-14 01:58:26

Filtering with grep -v

Time of First Successful Submission: 2025-10-14 01:59:44

Filtering with sed

Time of First Successful Submission: 2026-11-04 13:51:04

Duplicating piped data with tee

Time of First Successful Submission: 2025-10-14 02:53:11

Process substitution for input

Time of First Successful Submission: 2025-10-14 02:57:16

Writing to multiple programs

Time of First Successful Submission: 2025-10-14 03:03:54

Split-piping stderr and stdout

Time of First Successful Submission: 2025-10-14 03:11:27

Named pipes

Time of First Successful Submission: 2025-10-14 03:17:35

Printing Variables

Time of First Successful Submission: 2025-10-14 04:47:04

Setting Variables

Time of First Successful Submission: 2025-10-14 04:47:50

Multi-word Variables

Time of First Successful Submission: 2025-10-14 04:48:49

Exporting Variables

Time of First Successful Submission: 2025-10-14 04:51:30

Printing Exported Variables

Time of First Successful Submission: 2025-10-14 04:52:08

Storing Command Output

Time of First Successful Submission: 2025-10-14 04:54:28

Reading Input

Time of First Successful Submission: 2025-10-14 04:55:45

Reading Files

Time of First Successful Submission: 2025-10-14 04:57:36

Translating characters

Time of First Successful Submission: 2025-10-14 05:09:15

Deleting characters

Time of First Successful Submission: 2025-10-14 05:10:38

Deleting newlines

Time of First Successful Submission: 2025-10-14 05:12:48

Extracting the first lines with head

Time of First Successful Submission: 2025-10-14 05:13:56

Extracting specific sections of text

Time of First Successful Submission: 2025-10-14 05:15:51

Sorting data

Time of First Successful Submission: 2025-10-14 05:17:02

Listing Processes

Time of First Successful Submission: 2025-10-14 14:37:49

Killing Processes

Time of First Successful Submission: 2025-10-14 14:41:17

Interrupting Processes

Time of First Successful Submission: 2025-10-14 14:42:22

Killing Misbehaving Processes

Time of First Successful Submission: 2025-10-14 14:53:02

Suspending Processes

Time of First Successful Submission: 2025-10-14 14:54:51

Resuming Processes

Time of First Successful Submission: 2025-10-14 14:56:13

Backgrounding Processes

Time of First Successful Submission: 2025-10-14 14:59:09

Foregrounding Processes

Time of First Successful Submission: 2025-10-14 15:01:49

Starting Backgrounded Processes

Time of First Successful Submission: 2025-10-14 15:02:38

Process Exit Codes

Time of First Successful Submission: 2025-10-14 15:04:49

Becoming root with su

Time of First Successful Submission: 2025-10-15 01:15:37

Other users with su

Time of First Successful Submission: 2025-10-15 01:16:35

Cracking passwords

Time of First Successful Submission: 2025-10-15 01:20:33

Using sudo

Time of First Successful Submission: 2025-10-15 01:24:44

Changing File Ownership

Time of First Successful Submission: 2025-10-15 16:27:46

Groups and Files

Time of First Successful Submission: 2025-10-15 16:35:01

Fun With Groups Names

Time of First Successful Submission: 2025-10-15 16:36:45

Changing Permissions

Time of First Successful Submission: 2025-10-15 16:42:34

Executable Files

Time of First Successful Submission: 2025-10-15 16:45:05

Permission Tweaking Practice

Time of First Successful Submission: 2025-10-15 17:01:38

Permissions Setting Practice

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

The SUID Bit

Time of First Successful Submission: 2025-10-15 17:13:26

Chaining with Semicolons

Time of First Successful Submission: 2025-10-15 17:18:49

Building on Success

Time of First Successful Submission: 2025-10-15 17:20:49

Handling Failure

Time of First Successful Submission: 2025-10-15 17:22:11

Your First Shell Script

Time of First Successful Submission: 2025-10-15 18:30:48

Redirecting Script Output

Time of First Successful Submission: 2025-10-15 18:34:04

Executable Shell Scripts

Time of First Successful Submission: 2025-10-15 18:43:27

Understanding Shebangs

Time of First Successful Submission: 2025-10-15 18:50:56

Scripting with Arguments

Time of First Successful Submission: 2025-10-15 18:53:19

Scripting with Conditionals

Time of First Successful Submission: 2025-10-15 19:00:07

Scripting with Default Cases

Time of First Successful Submission: 2025-10-15 19:01:59

Scripting with Multiple Conditions

Time of First Successful Submission: 2025-10-15 19:05:58

Reading Shell Scripts

Time of First Successful Submission: 2025-10-15 19:08:57

Launching Screen

Time of First Successful Submission: 2025-10-15 20:04:54

Detaching and Attaching

Time of First Successful Submission: 2025-10-15 20:08:13

Finding Sessions

Time of First Successful Submission: 2025-10-15 20:11:02

Switching Windows

Time of First Successful Submission: 2025-10-15 20:14:03

Detaching and Attaching (tmux)

Time of First Successful Submission: 2025-10-15 20:16:40

Switching Windows (tmux)

Time of First Successful Submission: 2025-10-15 20:18:37

The PATH Variable

Time of First Successful Submission: 2025-10-15 21:10:49

Setting PATH

Time of First Successful Submission: 2025-10-15 21:13:55

Finding Commands

Time of First Successful Submission: 2025-10-15 21:15:35

Adding Commands

Time of First Successful Submission: 2025-10-15 21:20:46

Hijacking Commands

Time of First Successful Submission: 2025-10-15 21:34:59

Bashrc Backdoor

Time of First Successful Submission: 2025-10-15 23:36:43

Sniffing Input

Time of First Successful Submission: 2025-10-15 23:54:15

Overshared Directories

Time of First Successful Submission: 2025-10-16 00:01:18

Tricky Linking

Time of First Successful Submission: 2025-10-16 00:10:17

Sniffing Process Arguments

Time of First Successful Submission: 2025-10-16 00:14:05

Snooping on Configurations

Time of First Successful Submission: 2025-10-16 00:16:52

The Fork Bomb

Time of First Successful Submission: 2025-10-16 00:29:07

Disk-Space Doomsday

Time of First Successful Submission: 2025-10-16 00:32:52

rm -rf /

Time of First Successful Submission: 2025-10-16 00:36:48

Life after rm -rf /

Time of First Successful Submission: 2025-10-16 00:45:40

Finding meaning after rm -rf /

Time of First Successful Submission: 2025-10-16 00:48:50

Computing 101

38 / 132 6542 / 26316

Your First Register

Time of First Successful Submission: 2025-10-16 19:47:44

Your First Syscall

Time of First Successful Submission: 2025-10-16 19:50:58

Exit Codes

Time of First Successful Submission: 2025-10-16 19:52:57

Building Executables

Time of First Successful Submission: 2025-10-16 20:01:11

Moving Between Registers

Time of First Successful Submission: 2025-10-16 20:03:43

Loading From Memory

Time of First Successful Submission: 2025-10-17 01:42:54

More Loading Practice

Time of First Successful Submission: 2025-10-17 01:43:56

Dereferencing Pointers

Time of First Successful Submission: 2025-10-17 01:50:24

Dereferencing Yourself

Time of First Successful Submission: 2025-10-17 01:53:15

Dereferencing with Offsets

Time of First Successful Submission: 2025-10-17 01:57:01

Stored Addresses

Time of First Successful Submission: 2025-10-17 02:00:53

Double Dereference

Time of First Successful Submission: 2025-10-17 02:04:06

Tracing Syscalls

Time of First Successful Submission: 2025-10-16 23:40:50

Starting GDB

Time of First Successful Submission: 2025-10-16 23:43:02

Starting Programs in GDB

Time of First Successful Submission: 2025-10-16 23:47:08

Writing Output

Time of First Successful Submission: 2025-10-17 02:42:37

Chaining Syscalls

Time of First Successful Submission: 2025-10-17 02:44:24

Writing Strings

Time of First Successful Submission: 2025-10-17 02:45:35

Reading Data

Time of First Successful Submission: 2025-10-17 02:51:54

Debugging Programs

Time of First Successful Submission: 2025-10-20 03:21:43

Inspecting Registers

Time of First Successful Submission: 2025-10-20 04:45:11

Examining Memory

Time of First Successful Submission: 2025-10-20 06:04:38

Setting Breakpoints

Time of First Successful Submission: 2025-10-20 13:52:38

GDB Scripting

Time of First Successful Submission: 2025-10-20 14:05:52

Modifying Data

Time of First Successful Submission: 2025-10-20 20:08:28

Modifying Execution

Time of First Successful Submission: 2025-10-20 20:11:51

Broken Functions

Time of First Successful Submission: 2025-10-20 21:37:02

Exit

Time of First Successful Submission: 2025-10-21 03:27:25

Socket

Time of First Successful Submission: 2025-10-21 05:10:05

Bind

Time of First Successful Submission: 2025-10-21 18:34:07

Listen

Time of First Successful Submission: 2025-10-21 18:45:56

Accept

Time of First Successful Submission: 2025-10-21 18:53:59

Static Response

Time of First Successful Submission: 2025-10-22 15:22:22

Dynamic Response

Time of First Successful Submission: 2025-10-23 23:24:27

Iterative GET Server

Time of First Successful Submission: 2025-10-23 23:39:47

Concurrent GET Server

Time of First Successful Submission: 2025-10-24 15:07:59

Concurrent POST Server

Time of First Successful Submission: 2025-10-25 16:08:16

Web Server

Time of First Successful Submission: 2025-10-26 03:18:34

Playing With Programs

116 / 116 476 / 27591

What's the password?

Time of First Successful Submission: 2025-10-26 21:44:39

... and again!

Time of First Successful Submission: 2025-10-26 21:45:46

Newline Troubles

Time of First Successful Submission: 2025-10-26 22:01:58

Reasoning about files

Time of First Successful Submission: 2025-10-26 22:06:31

Specifying Filenames

Time of First Successful Submission: 2025-10-26 22:08:47

Binary and Hex Encoding

Time of First Successful Submission: 2025-10-26 22:27:59

More Hex

Time of First Successful Submission: 2025-10-26 22:30:07

Decoding Hex

Time of First Successful Submission: 2025-10-26 22:36:46

Decoding Practice

Time of First Successful Submission: 2025-10-26 22:51:54

Encoding Practice

Time of First Successful Submission: 2025-10-27 00:03:08

Hex-encoding ASCII

Time of First Successful Submission: 2025-10-27 00:29:31

Nested Encoding

Time of First Successful Submission: 2025-10-27 01:58:51

Hex-encoding UTF-8

Time of First Successful Submission: 2025-10-27 14:28:43

UTF Mixups

Time of First Successful Submission: 2025-10-27 14:41:19

Modifying Encoded Data

Time of First Successful Submission: 2025-10-27 15:15:20

Decoding Base64

Time of First Successful Submission: 2025-10-27 15:53:52

Encoding Base64

Time of First Successful Submission: 2025-10-27 15:58:56

Dealing with Obfuscation

Time of First Successful Submission: 2025-10-27 16:02:50

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-10-27 16:22:41

Your First HTTP Request

Time of First Successful Submission: 2025-10-28 21:07:36

Reading Flask

Time of First Successful Submission: 2025-10-28 21:11:23

Commented Data

Time of First Successful Submission: 2025-10-28 21:14:52

HTTP Metadata

Time of First Successful Submission: 2025-10-28 21:18:20

HTTP (netcat)

Time of First Successful Submission: 2025-10-28 21:59:24

HTTP Paths (netcat)

Time of First Successful Submission: 2025-10-28 22:01:39

HTTP (curl)

Time of First Successful Submission: 2025-10-28 22:03:34

HTTP (python)

Time of First Successful Submission: 2025-10-28 22:06:41

HTTP Host Header (python)

Time of First Successful Submission: 2025-10-28 22:12:36

HTTP Host Header (curl)

Time of First Successful Submission: 2025-10-28 22:15:39

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-10-28 22:18:29

URL Encoding (netcat)

Time of First Successful Submission: 2025-10-28 22:23:25

HTTP GET Parameters

Time of First Successful Submission: 2025-10-28 22:26:09

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-10-28 22:30:11

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-10-28 22:47:09

HTTP Forms

Time of First Successful Submission: 2025-10-29 14:39:37

HTTP Forms (curl)

Time of First Successful Submission: 2025-10-29 14:45:31

HTTP Forms (netcat)

Time of First Successful Submission: 2025-10-29 15:25:21

HTTP Forms (python)

Time of First Successful Submission: 2025-10-29 20:31:56

HTTP Forms Without Forms

Time of First Successful Submission: 2025-10-29 20:41:39

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-10-30 01:58:34

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-10-30 02:05:01

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-10-30 02:15:47

HTTP Redirects (curl)

Time of First Successful Submission: 2025-10-30 02:17:34

HTTP Redirects (python)

Time of First Successful Submission: 2025-10-30 02:19:23

HTTP Cookies (curl)

Time of First Successful Submission: 2025-10-30 02:25:51

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-10-30 02:42:02

HTTP Cookies (python)

Time of First Successful Submission: 2025-10-30 02:48:33

Server State (python)

Time of First Successful Submission: 2025-10-30 02:51:57

Listening Web

Time of First Successful Submission: 2025-10-30 02:59:52

Speaking Redirects

Time of First Successful Submission: 2025-10-30 03:06:51

JavaScript Redirects

Time of First Successful Submission: 2025-10-30 11:07:50

Including JavaScript

Time of First Successful Submission: 2025-10-30 16:52:11

HTTP (javascript)

Time of First Successful Submission: 2025-10-30 18:11:04

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-10-30 18:14:12

HTTP Forms (javascript)

Time of First Successful Submission: 2025-10-30 18:20:19

cat

Time of First Successful Submission: 2025-10-30 18:22:55

more

Time of First Successful Submission: 2025-10-30 18:23:30

less

Time of First Successful Submission: 2025-10-30 18:24:04

tail

Time of First Successful Submission: 2025-10-30 18:24:41

head

Time of First Successful Submission: 2025-10-30 18:25:17

sort

Time of First Successful Submission: 2025-10-30 18:26:12

vim

Time of First Successful Submission: 2025-10-30 18:26:55

emacs

Time of First Successful Submission: 2025-10-30 18:27:33

nano

Time of First Successful Submission: 2025-10-30 18:28:15

rev

Time of First Successful Submission: 2025-10-30 18:29:16

od

Time of First Successful Submission: 2025-10-30 18:49:27

hd

Time of First Successful Submission: 2025-10-30 18:51:41

xxd

Time of First Successful Submission: 2025-10-30 18:52:54

base32

Time of First Successful Submission: 2025-10-30 18:54:07

base64

Time of First Successful Submission: 2025-10-30 18:55:01

split

Time of First Successful Submission: 2025-10-30 19:01:10

gzip

Time of First Successful Submission: 2025-10-30 19:46:26

bzip2

Time of First Successful Submission: 2025-10-30 19:47:52

zip

Time of First Successful Submission: 2025-10-30 19:57:18

tar

Time of First Successful Submission: 2025-10-30 20:56:05

ar

Time of First Successful Submission: 2025-10-30 21:01:16

cpio

Time of First Successful Submission: 2025-10-30 21:42:47

genisoimage

Time of First Successful Submission: 2025-10-30 22:14:14

env

Time of First Successful Submission: 2025-10-30 22:17:00

find

Time of First Successful Submission: 2025-10-30 22:26:42

make

Time of First Successful Submission: 2025-10-30 22:31:16

nice

Time of First Successful Submission: 2025-10-30 22:32:14

timeout

Time of First Successful Submission: 2025-10-30 22:33:16

stdbuf

Time of First Successful Submission: 2025-10-30 22:35:20

setarch

Time of First Successful Submission: 2025-10-30 22:38:50

watch

Time of First Successful Submission: 2025-10-30 23:49:18

socat

Time of First Successful Submission: 2025-10-30 23:56:07

whiptail

Time of First Successful Submission: 2025-10-30 23:59:52

awk

Time of First Successful Submission: 2025-10-31 00:06:06

sed

Time of First Successful Submission: 2025-10-31 00:06:52

ed

Time of First Successful Submission: 2025-10-31 00:13:51

chown

Time of First Successful Submission: 2025-10-31 00:14:35

chmod

Time of First Successful Submission: 2025-10-31 00:15:29

cp

Time of First Successful Submission: 2025-10-31 00:22:08

mv

Time of First Successful Submission: 2025-10-31 05:12:39

perl

Time of First Successful Submission: 2025-10-31 05:22:18

python

Time of First Successful Submission: 2025-10-31 05:26:35

ruby

Time of First Successful Submission: 2025-10-31 05:35:03

bash

Time of First Successful Submission: 2025-10-31 05:41:32

date

Time of First Successful Submission: 2025-10-31 05:45:20

dmesg

Time of First Successful Submission: 2025-10-31 05:48:06

wc

Time of First Successful Submission: 2025-10-31 05:54:42

gcc

Time of First Successful Submission: 2025-10-31 05:58:24

as

Time of First Successful Submission: 2025-10-31 06:00:37

wget

Time of First Successful Submission: 2025-10-31 06:21:55

ssh-keygen

Time of First Successful Submission: 2025-10-31 16:27:57

SQL Queries

Time of First Successful Submission: 2025-10-31 16:39:29

Filtering SQL

Time of First Successful Submission: 2025-10-31 16:41:18

Choosing Columns

Time of First Successful Submission: 2025-10-31 16:43:32

Exclusionary Filtering

Time of First Successful Submission: 2025-10-31 16:47:39

Filtering Strings

Time of First Successful Submission: 2025-10-31 16:49:22

Filtering on Expressions

Time of First Successful Submission: 2025-10-31 17:45:13

SELECTing Expressions

Time of First Successful Submission: 2025-10-31 18:15:30

Composite Conditions

Time of First Successful Submission: 2025-10-31 18:22:53

Reaching Your LIMITs

Time of First Successful Submission: 2025-10-31 18:27:06

Querying Metadata

Time of First Successful Submission: 2025-10-31 18:29:48

DSU Cyber Camps

21 / 104 352 / 78163

Using the Terminal

Time of First Successful Submission: 2025-10-13 15:29:32

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-13 15:31:44

Using the GUI Desktop

Time of First Successful Submission: 2025-10-13 15:33:53

Pasting into the Desktop

Time of First Successful Submission: 2025-10-13 15:36:31

Restarting Challenges

Time of First Successful Submission: 2025-10-13 15:38:52

Challenge Programs

Time of First Successful Submission: 2025-10-16 00:50:56

The Flag File

Time of First Successful Submission: 2025-10-16 00:53:20

Using Privileged Mode

Time of First Successful Submission: 2025-10-16 00:56:34

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-16 00:59:49

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-16 01:00:44

Pale Red Horse Squad

Time of First Successful Submission: 2025-12-04 00:40:15

Swiss Army Button

Time of First Successful Submission: 2025-12-04 00:47:07

YeeBay

Time of First Successful Submission: 2025-12-04 18:33:55

Am I Admin?

Time of First Successful Submission: 2025-12-04 18:43:00

Am I Admin 2?

Time of First Successful Submission: 2025-12-06 01:53:49

Forceful Browsing

Time of First Successful Submission: 2025-12-06 01:57:46

Intro to BurpSuite

Time of First Successful Submission: 2025-12-03 03:21:19

Intruder Alert!

Time of First Successful Submission: 2025-12-07 01:50:22

Creepy Crawly

Time of First Successful Submission: 2025-12-07 17:18:34

Mr. Moneybags

Time of First Successful Submission: 2025-12-08 23:03:59

XML + Ratio

Time of First Successful Submission: 2025-12-10 18:09:39

GCA CTF

21 / 104 352 / 78163

Using the Terminal

Time of First Successful Submission: 2025-10-13 15:29:32

Using the VSCode Workspace

Time of First Successful Submission: 2025-10-13 15:31:44

Using the GUI Desktop

Time of First Successful Submission: 2025-10-13 15:33:53

Pasting into the Desktop

Time of First Successful Submission: 2025-10-13 15:36:31

Restarting Challenges

Time of First Successful Submission: 2025-10-13 15:38:52

Challenge Programs

Time of First Successful Submission: 2025-10-16 00:50:56

The Flag File

Time of First Successful Submission: 2025-10-16 00:53:20

Using Privileged Mode

Time of First Successful Submission: 2025-10-16 00:56:34

Persistent Home Directories - One

Time of First Successful Submission: 2025-10-16 00:59:49

Persistent Home Directories - Two

Time of First Successful Submission: 2025-10-16 01:00:44

Pale Red Horse Squad

Time of First Successful Submission: 2025-12-04 00:40:15

Swiss Army Button

Time of First Successful Submission: 2025-12-04 00:47:07

YeeBay

Time of First Successful Submission: 2025-12-04 18:33:55

Am I Admin?

Time of First Successful Submission: 2025-12-04 18:43:00

Am I Admin 2?

Time of First Successful Submission: 2025-12-06 01:53:49

Forceful Browsing

Time of First Successful Submission: 2025-12-06 01:57:46

Intro to BurpSuite

Time of First Successful Submission: 2025-12-03 03:21:19

Intruder Alert!

Time of First Successful Submission: 2025-12-07 01:50:22

Creepy Crawly

Time of First Successful Submission: 2025-12-07 17:18:34

Mr. Moneybags

Time of First Successful Submission: 2025-12-08 23:03:59

XML + Ratio

Time of First Successful Submission: 2025-12-10 18:09:39