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HTTP (curl)

Time of First Successful Submission: 2024-12-10 19:06:32

HTTP (python)

Time of First Successful Submission: 2024-12-10 19:08:00

URL Encoding (curl)

Time of First Successful Submission: 2024-12-10 19:16:49

URL Encoding (python)

Time of First Successful Submission: 2024-12-10 19:28:51

HTTP GET Parameters (netcat)

Time of First Successful Submission: 2024-12-10 19:33:23

HTTP GET Parameters (python)

Time of First Successful Submission: 2024-12-10 19:34:15

Multiple HTTP Parameters (python)

Time of First Successful Submission: 2024-12-10 19:40:34

Multiple Form Fields (python)

Time of First Successful Submission: 2024-12-10 20:15:30

HTTP JSON (curl)

Time of First Successful Submission: 2024-12-10 20:18:30

HTTP JSON (netcat)

Time of First Successful Submission: 2024-12-10 20:21:22

HTTP JSON (python)

Time of First Successful Submission: 2024-12-10 20:25:01

Complex HTTP JSON (curl)

Time of First Successful Submission: 2024-12-10 20:28:54

Complex HTTP JSON (netcat)

Time of First Successful Submission: 2024-12-10 20:35:33

Complex HTTP JSON (python)

Time of First Successful Submission: 2024-12-10 20:38:31

Server State (curl)

Time of First Successful Submission: 2024-12-10 20:49:07

Server State (netcat)

Time of First Successful Submission: 2024-12-10 20:50:47

set-register

Time of First Successful Submission: 2025-01-27 02:38:07

set-multiple-registers

Time of First Successful Submission: 2025-01-27 02:41:38

add-to-register

Time of First Successful Submission: 2025-01-27 02:44:29

linear-equation-registers

Time of First Successful Submission: 2025-01-27 02:56:29

integer-division

Time of First Successful Submission: 2025-01-27 03:04:31

modulo-operation

Time of First Successful Submission: 2025-01-27 03:07:03

set-upper-byte

Time of First Successful Submission: 2025-01-27 03:26:58

efficient-modulo

Time of First Successful Submission: 2025-01-27 03:34:48

byte-extraction

Time of First Successful Submission: 2025-01-30 01:04:52

bitwise-and

Time of First Successful Submission: 2025-01-30 01:12:45

check-even

Time of First Successful Submission: 2025-01-30 02:02:53

memory-read

Time of First Successful Submission: 2025-02-01 06:02:27

memory-write

Time of First Successful Submission: 2025-02-01 06:05:26

memory-increment

Time of First Successful Submission: 2025-02-01 06:09:11

byte-access

Time of First Successful Submission: 2025-02-01 06:11:43

memory-size-access

Time of First Successful Submission: 2025-02-01 06:15:13

little-endian-write

Time of First Successful Submission: 2025-02-01 06:22:30

memory-sum

Time of First Successful Submission: 2025-02-01 06:28:43

stack-subtraction

Time of First Successful Submission: 2025-02-01 06:32:01

swap-stack-values

Time of First Successful Submission: 2025-02-01 06:34:20

average-stack-values

Time of First Successful Submission: 2025-02-01 06:45:01

absolute-jump

Time of First Successful Submission: 2025-02-01 09:22:43

relative-jump

Time of First Successful Submission: 2025-02-01 09:36:59

jump-trampoline

Time of First Successful Submission: 2025-02-01 09:40:32

conditional-jump

Time of First Successful Submission: 2025-03-05 08:48:33

indirect-jump

Time of First Successful Submission: 2025-03-05 09:14:47

average-loop

Time of First Successful Submission: 2025-03-21 16:17:20

count-non-zero

Time of First Successful Submission: 2025-03-21 16:25:58

string-lower

Time of First Successful Submission: 2025-03-22 22:58:02

most-common-byte

Time of First Successful Submission: 2025-03-23 02:50:03

Intro to Programming Languages

15 / 234 10926 / 35146

Commands

Time of First Successful Submission: 2024-12-10 15:23:53

Command Arguments

Time of First Successful Submission: 2024-12-10 15:24:27

Command History

Time of First Successful Submission: 2026-06-05 19:56:37

The Root Path

Time of First Successful Submission: 2026-06-06 12:54:33

Absolute Paths

Time of First Successful Submission: 2026-06-06 12:55:49

Changing position

Time of First Successful Submission: 2026-06-06 12:57:20

Changing to an Absolute Path

Time of First Successful Submission: 2026-06-06 12:58:43

Relative Paths

Time of First Successful Submission: 2026-06-06 13:00:33

Cat

Time of First Successful Submission: 2024-12-10 15:26:21

Ls

Time of First Successful Submission: 2026-06-06 13:16:43

Ls All

Time of First Successful Submission: 2026-06-06 13:21:56

Find

Time of First Successful Submission: 2024-12-10 15:37:23

Piping Echo

Time of First Successful Submission: 2026-06-06 15:03:04

Piping Stdout

Time of First Successful Submission: 2026-06-06 15:04:18

Piping Stdin

Time of First Successful Submission: 2026-06-06 15:11:33

Intro to Cybersecurity

183 / 183 222 / 21279

Path Traversal 1

Time of First Successful Submission: 2025-04-23 09:45:39

Path Traversal 2

Time of First Successful Submission: 2025-04-23 10:13:43

CMDi 1

Time of First Successful Submission: 2025-04-23 10:20:15

CMDi 2

Time of First Successful Submission: 2025-04-23 11:04:17

CMDi 3

Time of First Successful Submission: 2025-04-23 11:09:09

CMDi 4

Time of First Successful Submission: 2025-04-23 11:15:47

CMDi 5

Time of First Successful Submission: 2025-04-23 11:18:55

CMDi 6

Time of First Successful Submission: 2025-04-23 11:41:52

Authentication Bypass 1

Time of First Successful Submission: 2025-04-25 00:55:35

Authentication Bypass 2

Time of First Successful Submission: 2025-04-25 01:00:32

SQLi 1

Time of First Successful Submission: 2025-04-26 00:48:19

SQLi 2

Time of First Successful Submission: 2025-04-26 00:53:27

SQLi 3

Time of First Successful Submission: 2025-04-26 01:11:25

SQLi 4

Time of First Successful Submission: 2025-04-26 01:19:38

SQLi 5

Time of First Successful Submission: 2025-04-26 02:04:22

XSS 1

Time of First Successful Submission: 2025-04-27 00:35:19

XSS 2

Time of First Successful Submission: 2025-04-27 00:42:39

XSS 3

Time of First Successful Submission: 2025-04-27 00:48:34

XSS 4

Time of First Successful Submission: 2025-04-27 00:54:40

XSS 5

Time of First Successful Submission: 2025-04-27 01:40:39

XSS 6

Time of First Successful Submission: 2025-04-27 01:47:05

XSS 7

Time of First Successful Submission: 2025-04-27 10:06:40

CSRF 1

Time of First Successful Submission: 2025-10-18 19:23:29

CSRF 2

Time of First Successful Submission: 2025-10-18 19:27:14

CSRF 3

Time of First Successful Submission: 2025-10-18 20:02:20

CSRF 4

Time of First Successful Submission: 2025-10-18 20:21:27

CSRF 5

Time of First Successful Submission: 2025-10-18 20:43:21

Connect

Time of First Successful Submission: 2026-05-27 19:22:38

Send

Time of First Successful Submission: 2026-05-27 19:23:57

Shutdown

Time of First Successful Submission: 2026-05-27 19:27:34

Listen

Time of First Successful Submission: 2026-05-27 19:28:22

Scan 1

Time of First Successful Submission: 2026-05-27 19:36:44

Scan 2

Time of First Successful Submission: 2026-05-27 20:53:47

Monitor 1

Time of First Successful Submission: 2026-05-28 00:05:33

Monitor 2

Time of First Successful Submission: 2026-05-28 00:18:27

Sniffing Cookies

Time of First Successful Submission: 2026-05-28 00:25:17

Network Configuration

Time of First Successful Submission: 2026-05-28 00:46:56

Firewall 1

Time of First Successful Submission: 2026-05-28 00:59:00

Firewall 2

Time of First Successful Submission: 2026-05-28 01:05:18

Firewall 3

Time of First Successful Submission: 2026-05-28 01:06:33

Denial of Service 1

Time of First Successful Submission: 2026-05-28 01:11:29

Denial of Service 2

Time of First Successful Submission: 2026-05-28 01:18:07

Denial of Service 3

Time of First Successful Submission: 2026-05-28 01:23:43

Ethernet

Time of First Successful Submission: 2026-05-28 02:03:57

IP

Time of First Successful Submission: 2026-05-28 02:17:19

TCP

Time of First Successful Submission: 2026-05-28 02:27:14

TCP Handshake

Time of First Successful Submission: 2026-05-28 02:37:15

UDP

Time of First Successful Submission: 2026-05-28 13:57:58

UDP 2

Time of First Successful Submission: 2026-05-28 14:11:29

UDP Spoofing 1

Time of First Successful Submission: 2026-05-28 14:27:48

UDP Spoofing 2

Time of First Successful Submission: 2026-05-28 14:40:36

UDP Spoofing 3

Time of First Successful Submission: 2026-05-28 14:57:58

UDP Spoofing 4

Time of First Successful Submission: 2026-05-28 15:09:09

ARP

Time of First Successful Submission: 2026-05-28 16:38:23

Intercept

Time of First Successful Submission: 2026-05-28 16:47:18

Man-in-the-Middle

Time of First Successful Submission: 2026-05-28 19:02:09

XOR

Time of First Successful Submission: 2024-12-13 21:44:23

XORing Hex

Time of First Successful Submission: 2024-12-13 21:53:51

XORing ASCII

Time of First Successful Submission: 2024-12-14 03:12:29

XORing ASCII Strings

Time of First Successful Submission: 2024-12-14 03:33:12

One-time Pad

Time of First Successful Submission: 2024-12-16 15:21:46

One-time Pad Tampering

Time of First Successful Submission: 2026-05-27 19:16:52

Many-time Pad

Time of First Successful Submission: 2024-12-16 15:39:52

AES

Time of First Successful Submission: 2024-12-16 15:59:52

AES-ECB-CPA

Time of First Successful Submission: 2024-12-16 17:12:05

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2025-04-23 06:09:50

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2024-12-17 13:47:56

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2024-12-17 14:02:42

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2024-12-17 15:08:50

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2024-12-17 16:50:09

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2024-12-17 17:43:32

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2024-12-17 18:45:23

AES-CBC

Time of First Successful Submission: 2024-12-17 19:02:44

AES-CBC Tampering

Time of First Successful Submission: 2024-12-18 00:02:11

AES-CBC Resizing

Time of First Successful Submission: 2024-12-18 00:39:50

AES-CBC-POA-Partial-Block

Time of First Successful Submission: 2025-04-23 06:46:37

AES-CBC-POA-Full-Block

Time of First Successful Submission: 2025-04-23 06:53:55

AES-CBC-POA-Multi-Block

Time of First Successful Submission: 2024-12-18 20:06:09

AES-CBC-POA-Encrypt

Time of First Successful Submission: 2025-04-23 09:00:36

AES-CBC-POA-Encrypt-2

Time of First Successful Submission: 2026-05-27 16:38:32

DHKE

Time of First Successful Submission: 2025-01-09 05:33:14

DHKE-to-AES

Time of First Successful Submission: 2025-01-09 05:46:31

RSA 1

Time of First Successful Submission: 2025-01-10 07:14:20

RSA 2

Time of First Successful Submission: 2025-01-10 09:29:15

RSA 3

Time of First Successful Submission: 2025-01-10 12:15:58

RSA 4

Time of First Successful Submission: 2025-01-10 12:39:57

RSA Signatures

Time of First Successful Submission: 2025-01-10 11:29:08

SHA 1

Time of First Successful Submission: 2025-01-10 11:52:44

SHA 2

Time of First Successful Submission: 2025-01-10 12:03:49

TLS 1

Time of First Successful Submission: 2025-01-10 13:52:51

TLS 2

Time of First Successful Submission: 2025-01-11 02:43:37

level1

Time of First Successful Submission: 2025-01-13 05:32:07

level2

Time of First Successful Submission: 2025-01-13 05:33:50

level3

Time of First Successful Submission: 2025-01-13 05:34:27

level4

Time of First Successful Submission: 2025-01-13 05:35:24

level5

Time of First Successful Submission: 2025-01-13 05:43:05

level6

Time of First Successful Submission: 2025-01-13 06:07:54

level7

Time of First Successful Submission: 2025-01-13 06:09:52

level8

Time of First Successful Submission: 2025-01-14 03:53:17

level9

Time of First Successful Submission: 2025-01-14 03:54:37

level10

Time of First Successful Submission: 2025-01-14 03:56:36

level11

Time of First Successful Submission: 2025-01-14 03:59:52

level12

Time of First Successful Submission: 2025-01-14 08:21:27

level13

Time of First Successful Submission: 2025-01-14 08:24:06

level14

Time of First Successful Submission: 2025-01-14 08:25:09

level15

Time of First Successful Submission: 2025-01-14 08:25:59

level16

Time of First Successful Submission: 2025-01-15 05:16:50

level17

Time of First Successful Submission: 2025-01-15 13:08:20

level18

Time of First Successful Submission: 2025-01-15 13:11:28

level19

Time of First Successful Submission: 2025-01-15 13:25:15

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-04-14 23:50:21

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-04-14 23:51:36

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2025-03-27 22:32:28

Reading Endianness (Python)

Time of First Successful Submission: 2025-04-14 23:53:39

Reading Endianness (C)

Time of First Successful Submission: 2025-04-14 23:55:41

Reading Endianness (x86)

Time of First Successful Submission: 2025-03-27 22:44:40

Version Information (Python)

Time of First Successful Submission: 2025-04-14 23:58:16

Version Information (C)

Time of First Successful Submission: 2025-04-14 23:59:51

Version Information (x86)

Time of First Successful Submission: 2025-03-28 15:16:41

Metadata and Data (Python)

Time of First Successful Submission: 2025-04-15 00:06:05

Metadata and Data (C)

Time of First Successful Submission: 2025-04-15 00:10:06

Metadata and Data (x86)

Time of First Successful Submission: 2025-03-28 15:23:44

Input Restrictions (Python)

Time of First Successful Submission: 2025-04-15 00:16:22

Input Restrictions (C)

Time of First Successful Submission: 2025-04-15 00:18:08

Input Restrictions (x86)

Time of First Successful Submission: 2025-03-28 16:12:36

Behold the cIMG! (Python)

Time of First Successful Submission: 2025-04-15 00:27:18

Behold the cIMG! (C)

Time of First Successful Submission: 2025-04-15 00:41:41

Behold the cIMG! (x86)

Time of First Successful Submission: 2025-03-28 16:26:42

A Basic cIMG (Python)

Time of First Successful Submission: 2025-04-15 02:12:18

A Basic cIMG (C)

Time of First Successful Submission: 2025-04-15 02:15:57

A Basic cIMG (x86)

Time of First Successful Submission: 2025-04-04 23:58:09

Internal State Mini (C)

Time of First Successful Submission: 2025-04-06 01:46:27

Internal State Mini (x86)

Time of First Successful Submission: 2025-04-06 01:35:16

Internal State (C)

Time of First Successful Submission: 2025-04-06 03:16:33

Internal State (x86)

Time of First Successful Submission: 2025-04-06 03:00:11

File Formats: Directives (C)

Time of First Successful Submission: 2025-04-09 03:11:29

File Formats: Directives (x86)

Time of First Successful Submission: 2025-04-09 03:32:15

The Patch Directive

Time of First Successful Submission: 2025-04-10 02:56:35

Optimizing for Space

Time of First Successful Submission: 2025-04-10 03:05:45

Tweaking Images

Time of First Successful Submission: 2025-04-11 06:41:41

Storage and Retrieval

Time of First Successful Submission: 2025-04-13 07:43:36

Extracting Knowledge

Time of First Successful Submission: 2025-04-14 01:50:31

Advanced Sprites

Time of First Successful Submission: 2025-04-14 04:29:15

Accessing Resources

Time of First Successful Submission: 2025-04-14 05:23:16

Unsafe Animations

Time of First Successful Submission: 2025-04-14 11:57:52

Animations

Time of First Successful Submission: 2025-04-14 12:27:15

Interoperability: Patching Data

Time of First Successful Submission: 2025-04-14 13:10:26

Patching Code

Time of First Successful Submission: 2025-04-14 13:38:10

Patching Control Flow

Time of First Successful Submission: 2025-04-14 14:30:49

Your First Overflow (easy)

Time of First Successful Submission: 2025-04-15 09:19:56

Your First Overflow (hard)

Time of First Successful Submission: 2025-04-15 09:55:40

Precision (easy)

Time of First Successful Submission: 2025-04-15 10:07:30

Precision (hard)

Time of First Successful Submission: 2025-04-15 10:12:29

Variable Control (easy)

Time of First Successful Submission: 2025-04-15 10:22:05

Variable Control (hard)

Time of First Successful Submission: 2025-04-15 10:30:33

Control Hijack (easy)

Time of First Successful Submission: 2025-04-18 05:39:54

Control Hijack (hard)

Time of First Successful Submission: 2025-04-18 05:44:44

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-04-18 05:53:08

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-04-18 05:56:21

PIEs (easy)

Time of First Successful Submission: 2025-04-19 05:19:37

PIEs (hard)

Time of First Successful Submission: 2025-04-19 05:25:06

String Lengths (easy)

Time of First Successful Submission: 2025-04-19 06:12:05

String Lengths (hard)

Time of First Successful Submission: 2025-04-19 06:20:09

Basic Shellcode

Time of First Successful Submission: 2025-04-20 00:51:21

NOP Sleds

Time of First Successful Submission: 2025-04-21 03:15:05

NULL-Free Shellcode

Time of First Successful Submission: 2025-04-21 04:02:36

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-04-22 01:01:22

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-04-22 01:17:50

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-04-22 01:36:03

Hijack to Shellcode (hard)

Time of First Successful Submission: 2025-04-22 01:38:31

ECB-to-Win (easy)

Time of First Successful Submission: 2025-04-22 03:03:17

ECB-to-Win (hard)

Time of First Successful Submission: 2025-04-22 03:29:44

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2025-04-22 03:42:44

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2025-04-22 04:50:04

CIMG Screenshots

Time of First Successful Submission: 2025-04-22 14:09:43

CIMG Screenshots 2

Time of First Successful Submission: 2025-04-23 01:16:04

Wily Webserver

Time of First Successful Submission: 2025-04-23 03:14:13

The Watering Hole

Time of First Successful Submission: 2025-04-23 05:48:19

Secure Chat 1

Time of First Successful Submission: 2026-05-29 16:33:33

Secure Chat 2

Time of First Successful Submission: 2026-05-29 16:36:53

Secure Chat 3

Time of First Successful Submission: 2026-05-31 23:52:01

Secure Chat 4

Time of First Successful Submission: 2026-06-01 13:50:34

Secure Chat 5

Time of First Successful Submission: 2026-06-01 20:52:49

Program Security

14 / 162 4717 / 9992

ello ackers!

Time of First Successful Submission: 2026-06-02 14:03:13

Syscall Smuggler

Time of First Successful Submission: 2026-06-04 19:27:52

Syscall Shenanigans

Time of First Successful Submission: 2026-06-04 19:34:55

Byte Budget

Time of First Successful Submission: 2026-06-05 19:24:49

ClobberCode

Time of First Successful Submission: 2026-06-07 14:58:55

Diverse Delivery

Time of First Successful Submission: 2026-06-07 15:08:07

Pocket Payload

Time of First Successful Submission: 2026-06-07 17:25:51

Micro Menace

Time of First Successful Submission: 2026-06-08 11:38:03

Login Leakage (Easy)

Time of First Successful Submission: 2026-06-09 01:41:14

Login Leakage (Hard)

Time of First Successful Submission: 2026-06-09 19:55:35

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-06-11 13:12:28

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-06-11 13:47:26

Casting Catastrophe (Easy)

Time of First Successful Submission: 2026-06-11 15:10:39

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-06-11 15:20:22

Start Here

2 / 12 41062 / 47730

The Flag File

Time of First Successful Submission: 2024-12-10 15:17:14

Using Privileged Mode

Time of First Successful Submission: 2024-12-10 15:20:51

Linux Luminarium

128 / 128 3383 / 35622

Intro to Commands

Time of First Successful Submission: 2024-12-10 15:23:53

Intro to Arguments

Time of First Successful Submission: 2024-12-10 15:24:27

Command History

Time of First Successful Submission: 2026-06-05 19:56:37

The Root

Time of First Successful Submission: 2026-06-06 12:54:33

Program and absolute paths

Time of First Successful Submission: 2026-06-06 12:55:49

Position thy self

Time of First Successful Submission: 2026-06-06 12:57:20

Position elsewhere

Time of First Successful Submission: 2026-06-06 12:58:43

implicit relative paths, from /

Time of First Successful Submission: 2026-06-06 13:00:33

explicit relative paths, from /

Time of First Successful Submission: 2026-06-06 13:02:26

implicit relative path

Time of First Successful Submission: 2026-06-06 13:03:34

home sweet home

Time of First Successful Submission: 2026-06-06 13:06:25

cat: not the pet, but the command!

Time of First Successful Submission: 2024-12-10 15:26:21

catting absolute paths

Time of First Successful Submission: 2024-12-10 15:26:51

more catting practice

Time of First Successful Submission: 2026-06-06 13:09:19

grepping for a needle in a haystack

Time of First Successful Submission: 2024-12-10 15:27:44

comparing files

Time of First Successful Submission: 2026-06-06 13:15:27

listing files

Time of First Successful Submission: 2026-06-06 13:16:43

touching files

Time of First Successful Submission: 2026-06-06 13:17:48

removing files

Time of First Successful Submission: 2026-06-06 13:18:51

moving files

Time of First Successful Submission: 2026-06-06 13:19:46

copying files

Time of First Successful Submission: 2026-06-06 13:21:03

hidden files

Time of First Successful Submission: 2026-06-06 13:21:56

An Epic Filesystem Quest

Time of First Successful Submission: 2024-12-10 15:33:39

making directories

Time of First Successful Submission: 2026-06-06 13:23:49

finding files

Time of First Successful Submission: 2024-12-10 15:37:23

linking files

Time of First Successful Submission: 2024-12-10 15:39:13

Learning From Documentation

Time of First Successful Submission: 2024-12-10 15:56:02

Learning Complex Usage

Time of First Successful Submission: 2024-12-10 15:46:29

Reading Manuals

Time of First Successful Submission: 2024-12-10 15:44:12

Searching Manuals

Time of First Successful Submission: 2024-12-10 15:48:25

Searching For Manuals

Time of First Successful Submission: 2024-12-10 15:52:14

Helpful Programs

Time of First Successful Submission: 2024-12-10 15:53:59

Help for Builtins

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Matching with *

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Matching with ?

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Matching with []

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Matching paths with []

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Multiple globs

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Mixing globs

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Exclusionary globbing

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Tab completion

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Multiple options for tab completion

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Tab completion on commands

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Redirecting output

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Redirecting more output

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Appending output

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Redirecting errors

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Redirecting input

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Grepping stored results

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Grepping live output

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Grepping errors

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Filtering with grep -v

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Filtering with sed

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Duplicating piped data with tee

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Process substitution for input

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Writing to multiple programs

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Split-piping stderr and stdout

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Named pipes

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Printing Variables

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Setting Variables

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Multi-word Variables

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Exporting Variables

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Printing Exported Variables

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Storing Command Output

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Reading Input

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Reading Files

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Translating characters

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Deleting characters

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Deleting newlines

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Extracting the first lines with head

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Extracting specific sections of text

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Sorting data

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Listing Processes

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Killing Processes

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Interrupting Processes

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Killing Misbehaving Processes

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Suspending Processes

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Resuming Processes

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Backgrounding Processes

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Foregrounding Processes

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Starting Backgrounded Processes

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Process Exit Codes

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Becoming root with su

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Other users with su

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Cracking passwords

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Using sudo

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Changing File Ownership

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Groups and Files

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Fun With Groups Names

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Changing Permissions

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Executable Files

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Permission Tweaking Practice

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Permissions Setting Practice

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The SUID Bit

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Chaining with Semicolons

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Building on Success

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Handling Failure

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Your First Shell Script

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Redirecting Script Output

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Executable Shell Scripts

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Understanding Shebangs

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Scripting with Arguments

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Scripting with Conditionals

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Scripting with Default Cases

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Scripting with Multiple Conditions

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Reading Shell Scripts

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Launching Screen

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Detaching and Attaching

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Finding Sessions

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Switching Windows

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Detaching and Attaching (tmux)

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Switching Windows (tmux)

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The PATH Variable

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Setting PATH

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Finding Commands

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Adding Commands

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Hijacking Commands

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Bashrc Backdoor

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Sniffing Input

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Overshared Directories

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Tricky Linking

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Sniffing Process Arguments

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Snooping on Configurations

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The Fork Bomb

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Disk-Space Doomsday

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rm -rf /

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Life after rm -rf /

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Finding meaning after rm -rf /

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Computing 101

19 / 125 9602 / 20512

Exit

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Socket

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Bind

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Listen

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Accept

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Static Response

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Dynamic Response

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Iterative GET Server

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Concurrent GET Server

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Concurrent POST Server

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Web Server

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Debugging Programs

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Inspecting Registers

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Examining Memory

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Setting Breakpoints

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GDB Scripting

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Modifying Data

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Modifying Execution

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Broken Functions

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Playing With Programs

24 / 116 13164 / 24130

Decoding Base64

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HTTP (netcat)

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HTTP Paths (netcat)

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HTTP (curl)

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HTTP (python)

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HTTP Host Header (python)

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HTTP Host Header (curl)

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HTTP Host Header (netcat)

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URL Encoding (netcat)

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HTTP GET Parameters

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Multiple HTTP Parameters (netcat)

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Multiple HTTP Parameters (curl)

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HTTP Forms (curl)

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HTTP Forms (netcat)

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HTTP Forms (python)

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Multiple Form Fields (curl)

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Multiple Form Fields (netcat)

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HTTP Redirects (netcat)

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HTTP Redirects (curl)

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HTTP Redirects (python)

Time of First Successful Submission: 2024-12-10 20:42:54

HTTP Cookies (curl)

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HTTP Cookies (netcat)

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HTTP Cookies (python)

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Server State (python)

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DSU Cyber Camps

2 / 104 41471 / 48025

The Flag File

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Using Privileged Mode

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GCA CTF

2 / 104 41471 / 48025

The Flag File

Time of First Successful Submission: 2024-12-10 15:17:14

Using Privileged Mode

Time of First Successful Submission: 2024-12-10 15:20:51