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31 / 232 8889 / 26118


Triple Dereference

Time of First Successful Submission: 2025-06-11 09:03:05

set-register

Time of First Successful Submission: 2025-06-11 09:52:16

set-multiple-registers

Time of First Successful Submission: 2025-06-11 09:56:06

add-to-register

Time of First Successful Submission: 2025-06-11 10:00:13

linear-equation-registers

Time of First Successful Submission: 2025-06-11 10:14:04

integer-division

Time of First Successful Submission: 2025-06-12 07:00:30

modulo-operation

Time of First Successful Submission: 2025-06-12 07:06:21

set-upper-byte

Time of First Successful Submission: 2025-06-12 07:12:11

efficient-modulo

Time of First Successful Submission: 2025-06-12 07:19:07

byte-extraction

Time of First Successful Submission: 2025-06-12 07:30:22

bitwise-and

Time of First Successful Submission: 2025-06-12 07:35:51

check-even

Time of First Successful Submission: 2025-06-12 07:45:10

memory-read

Time of First Successful Submission: 2025-06-12 08:03:05

memory-write

Time of First Successful Submission: 2025-06-12 08:04:51

memory-increment

Time of First Successful Submission: 2025-06-12 08:12:32

byte-access

Time of First Successful Submission: 2025-06-12 08:15:56

memory-size-access

Time of First Successful Submission: 2025-06-12 08:18:07

little-endian-write

Time of First Successful Submission: 2025-06-12 08:29:44

memory-sum

Time of First Successful Submission: 2025-06-12 08:42:52

stack-subtraction

Time of First Successful Submission: 2025-06-12 08:48:05

swap-stack-values

Time of First Successful Submission: 2025-06-12 08:49:57

average-stack-values

Time of First Successful Submission: 2025-06-13 08:47:30

absolute-jump

Time of First Successful Submission: 2025-06-13 08:56:37

relative-jump

Time of First Successful Submission: 2025-06-13 09:04:48

jump-trampoline

Time of First Successful Submission: 2025-06-13 09:11:03

conditional-jump

Time of First Successful Submission: 2025-06-13 09:41:17

indirect-jump

Time of First Successful Submission: 2025-06-13 10:06:57

average-loop

Time of First Successful Submission: 2025-06-13 14:32:37

count-non-zero

Time of First Successful Submission: 2025-06-13 14:50:53

string-lower

Time of First Successful Submission: 2025-06-14 07:10:55

most-common-byte

Time of First Successful Submission: 2025-06-14 12:38:36


Intro to Programming Languages

9 / 253 36342 / 53681


Commands

Time of First Successful Submission: 2026-10-02 05:04:47

Command Arguments

Time of First Successful Submission: 2026-10-02 05:05:57

Command History

Time of First Successful Submission: 2026-10-02 05:06:34

The Root Path

Time of First Successful Submission: 2026-10-03 05:12:34

Absolute Paths

Time of First Successful Submission: 2026-10-03 05:13:46

Changing position

Time of First Successful Submission: 2026-10-03 05:14:33

Changing to an Absolute Path

Time of First Successful Submission: 2026-10-03 05:15:49

Relative Paths

Time of First Successful Submission: 2026-10-03 05:19:50

Cat

Time of First Successful Submission: 2026-10-03 07:24:12


Intro to Cybersecurity

66 / 183 5705 / 26083


Path Traversal 1

Time of First Successful Submission: 2025-07-28 12:28:00

Path Traversal 2

Time of First Successful Submission: 2025-07-28 12:55:37

CMDi 1

Time of First Successful Submission: 2025-08-21 15:21:56

CMDi 2

Time of First Successful Submission: 2025-08-22 09:05:16

CMDi 3

Time of First Successful Submission: 2025-08-22 10:31:59

CMDi 4

Time of First Successful Submission: 2025-08-22 10:42:43

CMDi 5

Time of First Successful Submission: 2025-08-22 11:45:50

CMDi 6

Time of First Successful Submission: 2025-08-22 12:42:39

Authentication Bypass 1

Time of First Successful Submission: 2025-08-23 10:43:31

Authentication Bypass 2

Time of First Successful Submission: 2025-08-23 11:09:53

SQLi 1

Time of First Successful Submission: 2025-08-23 12:35:33

SQLi 2

Time of First Successful Submission: 2025-08-23 13:02:42

SQLi 3

Time of First Successful Submission: 2025-08-23 13:21:17

SQLi 4

Time of First Successful Submission: 2025-08-23 13:40:38

SQLi 5

Time of First Successful Submission: 2025-08-23 14:23:37

XSS 1

Time of First Successful Submission: 2025-08-24 15:54:17

XSS 2

Time of First Successful Submission: 2026-10-06 13:54:51

XSS 3

Time of First Successful Submission: 2026-10-06 14:01:06

XSS 4

Time of First Successful Submission: 2026-10-06 14:05:15

XSS 5

Time of First Successful Submission: 2026-10-06 14:10:38

XSS 6

Time of First Successful Submission: 2026-10-06 14:13:42

XSS 7

Time of First Successful Submission: 2026-10-28 10:22:54

CSRF 1

Time of First Successful Submission: 2026-10-28 10:38:16

CSRF 2

Time of First Successful Submission: 2026-10-28 10:40:59

CSRF 3

Time of First Successful Submission: 2026-10-28 10:53:23

CSRF 4

Time of First Successful Submission: 2026-10-28 10:57:46

CSRF 5

Time of First Successful Submission: 2026-10-28 11:01:08

Connect

Time of First Successful Submission: 2026-10-03 04:05:16

Send

Time of First Successful Submission: 2026-10-03 04:12:41

Shutdown

Time of First Successful Submission: 2026-10-03 04:21:57

Listen

Time of First Successful Submission: 2026-10-03 04:25:15

Scan 1

Time of First Successful Submission: 2026-10-03 04:36:19

Scan 2

Time of First Successful Submission: 2026-10-04 06:28:21

Monitor 1

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

Monitor 2

Time of First Successful Submission: 2026-10-04 07:24:20

Sniffing Cookies

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

Network Configuration

Time of First Successful Submission: 2026-10-04 07:53:27

Firewall 1

Time of First Successful Submission: 2026-10-04 07:56:25

Firewall 2

Time of First Successful Submission: 2026-10-04 07:58:12

Firewall 3

Time of First Successful Submission: 2026-10-04 07:59:16

Denial of Service 1

Time of First Successful Submission: 2026-10-04 10:50:55

Denial of Service 2

Time of First Successful Submission: 2026-10-04 10:52:19

Denial of Service 3

Time of First Successful Submission: 2026-10-04 11:13:12

Ethernet

Time of First Successful Submission: 2026-10-04 11:27:13

IP

Time of First Successful Submission: 2026-10-04 11:31:37

TCP

Time of First Successful Submission: 2026-10-04 11:35:10

TCP Handshake

Time of First Successful Submission: 2026-10-04 11:38:37

UDP

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

UDP 2

Time of First Successful Submission: 2026-10-05 09:13:50

UDP Spoofing 1

Time of First Successful Submission: 2026-10-05 09:29:28

UDP Spoofing 2

Time of First Successful Submission: 2026-10-05 10:54:56

UDP Spoofing 3

Time of First Successful Submission: 2026-10-05 15:55:01

UDP Spoofing 4

Time of First Successful Submission: 2026-10-06 04:15:55

ARP

Time of First Successful Submission: 2026-10-06 04:22:40

Intercept

Time of First Successful Submission: 2026-10-06 04:34:56

Man-in-the-Middle

Time of First Successful Submission: 2026-10-06 04:40:39

XOR

Time of First Successful Submission: 2026-10-28 11:10:34

XORing Hex

Time of First Successful Submission: 2026-10-28 11:17:43

XORing ASCII

Time of First Successful Submission: 2026-10-28 11:26:09

XORing ASCII Strings

Time of First Successful Submission: 2026-10-29 11:45:32

One-time Pad

Time of First Successful Submission: 2026-10-29 11:52:43

One-time Pad Tampering

Time of First Successful Submission: 2026-10-29 12:02:36

Many-time Pad

Time of First Successful Submission: 2026-10-29 12:06:09

AES

Time of First Successful Submission: 2026-10-29 12:14:46

AES-ECB-CPA

Time of First Successful Submission: 2026-10-29 12:23:04

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-10-29 12:32:38


Start Here

10 / 10 2227 / 74426


Using the Terminal

Time of First Successful Submission: 2025-09-05 05:23:43

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-09 14:59:19

Using the GUI Desktop

Time of First Successful Submission: 2025-06-10 07:35:44

Pasting into the Desktop

Time of First Successful Submission: 2025-06-10 07:41:12

Restarting Challenges

Time of First Successful Submission: 2025-06-10 07:49:40

Challenge Programs

Time of First Successful Submission: 2025-06-10 07:58:23

The Flag File

Time of First Successful Submission: 2025-06-10 08:06:49

Using Privileged Mode

Time of First Successful Submission: 2025-06-10 08:22:22

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-10 08:26:02

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-10 08:27:23


Linux Luminarium

12 / 128 37737 / 54401


Intro to Commands

Time of First Successful Submission: 2026-10-02 05:04:47

Intro to Arguments

Time of First Successful Submission: 2026-10-02 05:05:57

Command History

Time of First Successful Submission: 2026-10-02 05:06:34

The Root

Time of First Successful Submission: 2026-10-03 05:12:34

Program and absolute paths

Time of First Successful Submission: 2026-10-03 05:13:46

Position thy self

Time of First Successful Submission: 2026-10-03 05:14:33

Position elsewhere

Time of First Successful Submission: 2026-10-03 05:15:49

implicit relative paths, from /

Time of First Successful Submission: 2026-10-03 05:19:50

explicit relative paths, from /

Time of First Successful Submission: 2026-10-03 05:20:24

implicit relative path

Time of First Successful Submission: 2026-10-03 05:21:03

home sweet home

Time of First Successful Submission: 2026-10-03 05:24:49

cat: not the pet, but the command!

Time of First Successful Submission: 2026-10-03 07:24:12


Computing 101

42 / 132 4932 / 25743


Your First Register

Time of First Successful Submission: 2025-06-10 09:54:20

Your First Syscall

Time of First Successful Submission: 2025-06-10 10:02:18

Exit Codes

Time of First Successful Submission: 2025-06-10 14:21:14

Building Executables

Time of First Successful Submission: 2025-06-10 14:38:16

Moving Between Registers

Time of First Successful Submission: 2025-06-11 06:28:53

Loading From Memory

Time of First Successful Submission: 2025-06-11 07:10:40

More Loading Practice

Time of First Successful Submission: 2025-06-11 07:12:25

Dereferencing Pointers

Time of First Successful Submission: 2025-06-11 07:18:23

Dereferencing Yourself

Time of First Successful Submission: 2025-06-11 07:21:44

Dereferencing with Offsets

Time of First Successful Submission: 2025-06-11 07:24:28

Stored Addresses

Time of First Successful Submission: 2025-06-11 07:49:39

Double Dereference

Time of First Successful Submission: 2025-06-11 08:59:58

The Stack

Time of First Successful Submission: 2026-10-01 15:13:59

Stack Offsets

Time of First Successful Submission: 2026-10-02 04:40:21

Program Arguments on the Stack

Time of First Successful Submission: 2026-10-02 04:51:43

Popping From the Stack

Time of First Successful Submission: 2026-10-02 04:58:43

Tracing Syscalls

Time of First Successful Submission: 2025-06-11 06:42:37

Starting GDB

Time of First Successful Submission: 2025-06-11 06:44:50

Starting Programs in GDB

Time of First Successful Submission: 2025-06-11 06:48:15

Writing Output

Time of First Successful Submission: 2025-06-11 09:29:43

Chaining Syscalls

Time of First Successful Submission: 2025-06-11 09:33:15

Writing Strings

Time of First Successful Submission: 2025-06-11 09:34:25

Reading Data

Time of First Successful Submission: 2025-06-11 09:41:15

Debugging Programs

Time of First Successful Submission: 2025-06-15 14:41:44

Inspecting Registers

Time of First Successful Submission: 2025-06-15 14:46:08

Examining Memory

Time of First Successful Submission: 2025-06-15 15:14:51

Setting Breakpoints

Time of First Successful Submission: 2025-06-17 12:27:15

GDB Scripting

Time of First Successful Submission: 2025-06-19 12:56:56

Modifying Data

Time of First Successful Submission: 2025-06-22 06:53:19

Modifying Execution

Time of First Successful Submission: 2025-06-22 11:49:08

Broken Functions

Time of First Successful Submission: 2025-06-22 12:07:08

Exit

Time of First Successful Submission: 2025-06-23 13:39:03

Socket

Time of First Successful Submission: 2025-06-23 14:53:37

Bind

Time of First Successful Submission: 2025-06-29 06:02:55

Listen

Time of First Successful Submission: 2025-06-29 06:11:39

Accept

Time of First Successful Submission: 2025-06-29 06:43:09

Static Response

Time of First Successful Submission: 2025-06-29 07:56:06

Dynamic Response

Time of First Successful Submission: 2025-07-16 09:03:38

Iterative GET Server

Time of First Successful Submission: 2025-07-16 09:34:24

Concurrent GET Server

Time of First Successful Submission: 2025-07-16 10:31:54

Concurrent POST Server

Time of First Successful Submission: 2025-07-17 13:01:01

Web Server

Time of First Successful Submission: 2025-07-18 04:15:11


Playing With Programs

116 / 116 263 / 27255


What's the password?

Time of First Successful Submission: 2025-07-18 09:57:57

... and again!

Time of First Successful Submission: 2025-07-18 09:59:05

Newline Troubles

Time of First Successful Submission: 2025-07-18 10:09:50

Reasoning about files

Time of First Successful Submission: 2025-07-18 10:28:12

Specifying Filenames

Time of First Successful Submission: 2025-07-18 10:36:25

Binary and Hex Encoding

Time of First Successful Submission: 2025-07-18 11:41:56

More Hex

Time of First Successful Submission: 2025-07-18 11:56:12

Decoding Hex

Time of First Successful Submission: 2025-07-18 12:26:28

Decoding Practice

Time of First Successful Submission: 2025-07-19 01:32:18

Encoding Practice

Time of First Successful Submission: 2025-07-19 01:54:04

Hex-encoding ASCII

Time of First Successful Submission: 2025-07-19 02:22:32

Nested Encoding

Time of First Successful Submission: 2025-07-19 02:48:09

Hex-encoding UTF-8

Time of First Successful Submission: 2025-07-20 11:51:36

UTF Mixups

Time of First Successful Submission: 2025-07-20 12:33:15

Modifying Encoded Data

Time of First Successful Submission: 2025-07-21 05:41:17

Decoding Base64

Time of First Successful Submission: 2025-07-21 05:56:29

Encoding Base64

Time of First Successful Submission: 2025-07-21 06:12:19

Dealing with Obfuscation

Time of First Successful Submission: 2025-07-21 06:36:41

Dealing with Obfuscation 2

Time of First Successful Submission: 2025-07-21 06:43:17

Your First HTTP Request

Time of First Successful Submission: 2025-07-21 12:11:20

Reading Flask

Time of First Successful Submission: 2025-07-21 12:16:21

Commented Data

Time of First Successful Submission: 2025-07-21 15:16:23

HTTP Metadata

Time of First Successful Submission: 2025-07-21 15:27:26

HTTP (netcat)

Time of First Successful Submission: 2025-07-21 15:47:49

HTTP Paths (netcat)

Time of First Successful Submission: 2025-07-21 15:50:28

HTTP (curl)

Time of First Successful Submission: 2025-07-22 03:09:12

HTTP (python)

Time of First Successful Submission: 2025-07-22 03:21:18

HTTP Host Header (python)

Time of First Successful Submission: 2025-07-22 03:47:41

HTTP Host Header (curl)

Time of First Successful Submission: 2025-07-22 04:03:33

HTTP Host Header (netcat)

Time of First Successful Submission: 2025-07-22 04:25:56

URL Encoding (netcat)

Time of First Successful Submission: 2025-07-22 07:11:03

HTTP GET Parameters

Time of First Successful Submission: 2025-07-22 07:29:26

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2025-07-22 07:37:36

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2025-07-22 09:15:18

HTTP Forms

Time of First Successful Submission: 2025-07-22 10:39:31

HTTP Forms (curl)

Time of First Successful Submission: 2025-07-22 10:49:15

HTTP Forms (netcat)

Time of First Successful Submission: 2025-07-22 11:22:38

HTTP Forms (python)

Time of First Successful Submission: 2025-07-22 11:34:13

HTTP Forms Without Forms

Time of First Successful Submission: 2025-07-22 12:32:30

Multiple Form Fields (curl)

Time of First Successful Submission: 2025-07-22 12:49:50

Multiple Form Fields (netcat)

Time of First Successful Submission: 2025-07-22 15:48:32

HTTP Redirects (netcat)

Time of First Successful Submission: 2025-07-22 15:56:06

HTTP Redirects (curl)

Time of First Successful Submission: 2025-07-22 15:59:55

HTTP Redirects (python)

Time of First Successful Submission: 2025-07-22 16:06:51

HTTP Cookies (curl)

Time of First Successful Submission: 2025-07-23 02:40:44

HTTP Cookies (netcat)

Time of First Successful Submission: 2025-07-23 03:22:06

HTTP Cookies (python)

Time of First Successful Submission: 2025-07-23 03:52:58

Server State (python)

Time of First Successful Submission: 2025-07-23 04:09:53

Listening Web

Time of First Successful Submission: 2025-07-23 04:15:17

Speaking Redirects

Time of First Successful Submission: 2025-07-23 08:54:50

JavaScript Redirects

Time of First Successful Submission: 2025-07-23 09:09:47

Including JavaScript

Time of First Successful Submission: 2025-07-24 04:06:02

HTTP (javascript)

Time of First Successful Submission: 2025-07-24 05:21:59

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2025-07-24 06:09:40

HTTP Forms (javascript)

Time of First Successful Submission: 2025-07-24 06:40:40

cat

Time of First Successful Submission: 2025-07-24 07:42:41

more

Time of First Successful Submission: 2025-07-24 07:45:43

less

Time of First Successful Submission: 2025-07-24 07:46:33

tail

Time of First Successful Submission: 2025-07-24 07:47:43

head

Time of First Successful Submission: 2025-07-24 07:48:43

sort

Time of First Successful Submission: 2025-07-24 07:49:56

vim

Time of First Successful Submission: 2025-07-24 07:58:58

emacs

Time of First Successful Submission: 2025-07-24 08:15:23

nano

Time of First Successful Submission: 2025-07-24 08:27:56

rev

Time of First Successful Submission: 2025-07-24 08:39:59

od

Time of First Successful Submission: 2025-07-24 08:48:22

hd

Time of First Successful Submission: 2025-07-24 08:55:41

xxd

Time of First Successful Submission: 2025-07-24 08:58:35

base32

Time of First Successful Submission: 2025-07-24 09:01:03

base64

Time of First Successful Submission: 2025-07-24 09:02:54

split

Time of First Successful Submission: 2025-07-24 09:06:09

gzip

Time of First Successful Submission: 2025-07-24 09:13:35

bzip2

Time of First Successful Submission: 2025-07-24 14:55:39

zip

Time of First Successful Submission: 2025-07-24 14:57:43

tar

Time of First Successful Submission: 2025-07-24 15:05:54

ar

Time of First Successful Submission: 2025-07-24 15:11:44

cpio

Time of First Successful Submission: 2025-07-25 04:24:54

genisoimage

Time of First Successful Submission: 2025-07-25 08:15:37

env

Time of First Successful Submission: 2025-07-25 08:40:45

find

Time of First Successful Submission: 2025-07-25 08:46:27

make

Time of First Successful Submission: 2025-07-25 08:52:38

nice

Time of First Successful Submission: 2025-07-25 08:55:01

timeout

Time of First Successful Submission: 2025-07-25 09:01:18

stdbuf

Time of First Successful Submission: 2025-07-25 09:03:49

setarch

Time of First Successful Submission: 2025-07-25 09:06:38

watch

Time of First Successful Submission: 2025-07-25 09:09:40

socat

Time of First Successful Submission: 2025-07-25 09:28:35

whiptail

Time of First Successful Submission: 2025-07-25 09:31:37

awk

Time of First Successful Submission: 2025-07-25 09:34:25

sed

Time of First Successful Submission: 2025-07-25 09:38:55

ed

Time of First Successful Submission: 2025-07-25 09:41:55

chown

Time of First Successful Submission: 2025-07-25 09:46:39

chmod

Time of First Successful Submission: 2025-07-25 09:47:50

cp

Time of First Successful Submission: 2025-07-25 09:50:12

mv

Time of First Successful Submission: 2025-07-25 10:23:32

perl

Time of First Successful Submission: 2025-07-25 10:35:41

python

Time of First Successful Submission: 2025-07-25 10:38:59

ruby

Time of First Successful Submission: 2025-07-25 10:42:48

bash

Time of First Successful Submission: 2025-07-25 10:47:06

date

Time of First Successful Submission: 2025-07-25 10:48:31

dmesg

Time of First Successful Submission: 2025-07-25 11:11:36

wc

Time of First Successful Submission: 2025-07-25 11:15:32

gcc

Time of First Successful Submission: 2025-07-25 11:26:43

as

Time of First Successful Submission: 2025-07-25 11:32:30

wget

Time of First Successful Submission: 2025-07-25 11:46:44

ssh-keygen

Time of First Successful Submission: 2025-07-25 12:09:01

SQL Queries

Time of First Successful Submission: 2025-07-26 03:01:10

Filtering SQL

Time of First Successful Submission: 2025-07-26 03:09:47

Choosing Columns

Time of First Successful Submission: 2025-07-26 03:23:36

Exclusionary Filtering

Time of First Successful Submission: 2025-07-26 03:27:48

Filtering Strings

Time of First Successful Submission: 2025-07-26 03:30:46

Filtering on Expressions

Time of First Successful Submission: 2025-07-26 03:41:32

SELECTing Expressions

Time of First Successful Submission: 2025-07-26 04:35:10

Composite Conditions

Time of First Successful Submission: 2025-07-26 04:41:25

Reaching Your LIMITs

Time of First Successful Submission: 2025-07-26 04:46:27

Querying Metadata

Time of First Successful Submission: 2025-07-26 04:54:13


DSU Cyber Camps

11 / 104 8491 / 74908


Using the Terminal

Time of First Successful Submission: 2025-09-05 05:23:43

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-09 14:59:19

Using the GUI Desktop

Time of First Successful Submission: 2025-06-10 07:35:44

Pasting into the Desktop

Time of First Successful Submission: 2025-06-10 07:41:12

Restarting Challenges

Time of First Successful Submission: 2025-06-10 07:49:40

Getting Help

Time of First Successful Submission: 2025-06-10 07:56:05

Challenge Programs

Time of First Successful Submission: 2025-06-10 07:58:23

The Flag File

Time of First Successful Submission: 2025-06-10 08:06:49

Using Privileged Mode

Time of First Successful Submission: 2025-06-10 08:22:22

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-10 08:26:02

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-10 08:27:23


GCA CTF

11 / 104 8491 / 74908


Using the Terminal

Time of First Successful Submission: 2025-09-05 05:23:43

Using the VSCode Workspace

Time of First Successful Submission: 2025-06-09 14:59:19

Using the GUI Desktop

Time of First Successful Submission: 2025-06-10 07:35:44

Pasting into the Desktop

Time of First Successful Submission: 2025-06-10 07:41:12

Restarting Challenges

Time of First Successful Submission: 2025-06-10 07:49:40

Getting Help

Time of First Successful Submission: 2025-06-10 07:56:05

Challenge Programs

Time of First Successful Submission: 2025-06-10 07:58:23

The Flag File

Time of First Successful Submission: 2025-06-10 08:06:49

Using Privileged Mode

Time of First Successful Submission: 2025-06-10 08:22:22

Persistent Home Directories - One

Time of First Successful Submission: 2025-06-10 08:26:02

Persistent Home Directories - Two

Time of First Successful Submission: 2025-06-10 08:27:23