Basel7

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pwn.college Archives

30 / 232 11920 / 25835


set-register

Time of First Successful Submission: 2026-03-12 05:55:33

set-multiple-registers

Time of First Successful Submission: 2026-03-12 05:57:35

add-to-register

Time of First Successful Submission: 2026-03-12 05:59:08

linear-equation-registers

Time of First Successful Submission: 2026-03-12 06:10:48

integer-division

Time of First Successful Submission: 2026-03-12 06:15:06

modulo-operation

Time of First Successful Submission: 2026-03-12 06:35:13

set-upper-byte

Time of First Successful Submission: 2026-03-12 06:53:44

efficient-modulo

Time of First Successful Submission: 2026-03-12 07:19:28

byte-extraction

Time of First Successful Submission: 2026-03-12 07:51:16

bitwise-and

Time of First Successful Submission: 2026-03-12 09:31:25

check-even

Time of First Successful Submission: 2026-03-13 04:45:38

memory-read

Time of First Successful Submission: 2026-03-13 05:08:51

memory-write

Time of First Successful Submission: 2026-03-13 05:16:27

memory-increment

Time of First Successful Submission: 2026-03-13 05:19:20

byte-access

Time of First Successful Submission: 2026-03-13 05:21:44

memory-size-access

Time of First Successful Submission: 2026-03-13 07:00:49

little-endian-write

Time of First Successful Submission: 2026-03-13 07:05:59

memory-sum

Time of First Successful Submission: 2026-03-13 07:12:36

stack-subtraction

Time of First Successful Submission: 2026-03-13 07:15:18

swap-stack-values

Time of First Successful Submission: 2026-03-13 07:16:30

average-stack-values

Time of First Successful Submission: 2026-03-13 07:26:52

absolute-jump

Time of First Successful Submission: 2026-03-13 07:29:13

relative-jump

Time of First Successful Submission: 2026-03-13 07:42:41

jump-trampoline

Time of First Successful Submission: 2026-03-13 07:48:46

conditional-jump

Time of First Successful Submission: 2026-03-13 08:28:49

indirect-jump

Time of First Successful Submission: 2026-03-13 21:29:52

average-loop

Time of First Successful Submission: 2026-03-14 04:02:37

count-non-zero

Time of First Successful Submission: 2026-03-15 05:02:36

string-lower

Time of First Successful Submission: 2026-03-15 06:12:40

most-common-byte

Time of First Successful Submission: 2026-03-15 06:15:50


Intro to Programming Languages

15 / 253 9009 / 41524


Commands

Time of First Successful Submission: 2026-02-18 16:41:35

Command Arguments

Time of First Successful Submission: 2026-02-18 16:43:27

Command History

Time of First Successful Submission: 2026-02-18 16:44:28

The Root Path

Time of First Successful Submission: 2026-02-18 23:11:48

Absolute Paths

Time of First Successful Submission: 2026-02-18 23:28:59

Changing position

Time of First Successful Submission: 2026-02-18 23:40:49

Changing to an Absolute Path

Time of First Successful Submission: 2026-02-18 23:42:08

Relative Paths

Time of First Successful Submission: 2026-02-19 00:20:03

Cat

Time of First Successful Submission: 2026-02-19 18:22:08

Ls

Time of First Successful Submission: 2026-02-20 06:41:36

Ls All

Time of First Successful Submission: 2026-02-20 07:14:10

Find

Time of First Successful Submission: 2026-02-20 07:23:45

Piping Echo

Time of First Successful Submission: 2026-02-20 20:42:45

Piping Stdout

Time of First Successful Submission: 2026-02-20 20:43:43

Piping Stdin

Time of First Successful Submission: 2026-02-20 23:13:42


Intro to Cybersecurity

57 / 183 6383 / 22846


Path Traversal 1

Time of First Successful Submission: 2026-08-14 02:46:56

Path Traversal 2

Time of First Successful Submission: 2026-08-14 15:09:09

CMDi 1

Time of First Successful Submission: 2026-08-14 16:43:59

CMDi 2

Time of First Successful Submission: 2026-08-14 17:23:13

CMDi 3

Time of First Successful Submission: 2026-08-14 18:23:26

CMDi 4

Time of First Successful Submission: 2026-08-14 19:37:06

CMDi 5

Time of First Successful Submission: 2026-08-14 19:44:49

CMDi 6

Time of First Successful Submission: 2026-08-15 03:01:30

Authentication Bypass 1

Time of First Successful Submission: 2026-08-15 10:15:03

Authentication Bypass 2

Time of First Successful Submission: 2026-08-15 10:32:00

SQLi 1

Time of First Successful Submission: 2026-08-15 11:36:08

SQLi 2

Time of First Successful Submission: 2026-08-15 11:44:30

SQLi 3

Time of First Successful Submission: 2026-08-15 14:33:33

SQLi 4

Time of First Successful Submission: 2026-08-15 14:39:05

SQLi 5

Time of First Successful Submission: 2026-08-15 16:37:35

XSS 1

Time of First Successful Submission: 2026-08-16 12:35:41

XSS 2

Time of First Successful Submission: 2026-08-16 12:41:37

XSS 3

Time of First Successful Submission: 2026-08-16 14:10:58

XSS 4

Time of First Successful Submission: 2026-08-16 14:13:28

XSS 5

Time of First Successful Submission: 2026-08-16 14:45:19

XSS 6

Time of First Successful Submission: 2026-08-16 16:33:23

XSS 7

Time of First Successful Submission: 2026-08-16 23:17:04

CSRF 1

Time of First Successful Submission: 2026-08-17 14:48:08

CSRF 2

Time of First Successful Submission: 2026-08-17 15:28:53

CSRF 3

Time of First Successful Submission: 2026-08-17 16:42:50

CSRF 4

Time of First Successful Submission: 2026-08-17 17:16:25

CSRF 5

Time of First Successful Submission: 2026-08-17 18:16:16

Connect

Time of First Successful Submission: 2026-08-18 16:35:13

Send

Time of First Successful Submission: 2026-08-19 17:14:18

Shutdown

Time of First Successful Submission: 2026-08-19 18:39:31

Listen

Time of First Successful Submission: 2026-08-19 18:44:15

Scan 1

Time of First Successful Submission: 2026-08-19 21:28:16

Scan 2

Time of First Successful Submission: 2026-08-19 22:21:16

Monitor 1

Time of First Successful Submission: 2026-08-20 03:52:53

Monitor 2

Time of First Successful Submission: 2026-08-20 13:47:13

Sniffing Cookies

Time of First Successful Submission: 2026-08-20 15:04:34

Network Configuration

Time of First Successful Submission: 2026-08-20 15:36:41

Firewall 1

Time of First Successful Submission: 2026-08-20 16:34:21

Firewall 2

Time of First Successful Submission: 2026-08-20 16:43:55

Firewall 3

Time of First Successful Submission: 2026-08-20 16:58:49

Denial of Service 1

Time of First Successful Submission: 2026-08-20 17:07:35

Denial of Service 2

Time of First Successful Submission: 2026-08-20 17:21:02

Denial of Service 3

Time of First Successful Submission: 2026-08-20 18:04:41

Ethernet

Time of First Successful Submission: 2026-08-20 20:38:50

IP

Time of First Successful Submission: 2026-08-21 10:27:37

TCP

Time of First Successful Submission: 2026-08-21 14:10:40

TCP Handshake

Time of First Successful Submission: 2026-08-21 14:41:48

UDP

Time of First Successful Submission: 2026-08-21 15:17:15

UDP 2

Time of First Successful Submission: 2026-08-21 16:24:14

UDP Spoofing 1

Time of First Successful Submission: 2026-08-21 18:15:52

UDP Spoofing 2

Time of First Successful Submission: 2026-08-21 19:32:15

UDP Spoofing 3

Time of First Successful Submission: 2026-08-22 15:21:33

UDP Spoofing 4

Time of First Successful Submission: 2026-08-22 17:15:03

ARP

Time of First Successful Submission: 2026-08-23 00:32:38

Intercept

Time of First Successful Submission: 2026-08-23 00:53:12

Man-in-the-Middle

Time of First Successful Submission: 2026-08-23 05:09:20

XOR

Time of First Successful Submission: 2026-08-24 15:36:48

XORing Hex

Time of First Successful Submission: 2026-08-24 16:37:47

XORing ASCII

Time of First Successful Submission: 2026-08-24 17:20:44

XORing ASCII Strings

Time of First Successful Submission: 2026-08-24 18:14:00

One-time Pad

Time of First Successful Submission: 2026-08-24 18:23:47

One-time Pad Tampering

Time of First Successful Submission: 2026-08-24 18:59:40


Start Here

10 / 10 9477 / 57555


Using the Terminal

Time of First Successful Submission: 2026-02-18 14:33:11

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-18 14:45:10

Using the GUI Desktop

Time of First Successful Submission: 2026-02-18 14:48:12

Pasting into the Desktop

Time of First Successful Submission: 2026-02-18 14:49:44

Restarting Challenges

Time of First Successful Submission: 2026-02-18 14:52:40

Challenge Programs

Time of First Successful Submission: 2026-03-04 01:07:17

The Flag File

Time of First Successful Submission: 2026-03-04 01:09:38

Using Privileged Mode

Time of First Successful Submission: 2026-03-04 01:12:19

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-04 02:43:10

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-04 02:43:36


Linux Luminarium

128 / 128 2274 / 42136


Intro to Commands

Time of First Successful Submission: 2026-02-18 16:41:35

Intro to Arguments

Time of First Successful Submission: 2026-02-18 16:43:27

Command History

Time of First Successful Submission: 2026-02-18 16:44:28

The Root

Time of First Successful Submission: 2026-02-18 23:11:48

Program and absolute paths

Time of First Successful Submission: 2026-02-18 23:28:59

Position thy self

Time of First Successful Submission: 2026-02-18 23:40:49

Position elsewhere

Time of First Successful Submission: 2026-02-18 23:42:08

implicit relative paths, from /

Time of First Successful Submission: 2026-02-19 00:20:03

explicit relative paths, from /

Time of First Successful Submission: 2026-02-19 00:21:34

implicit relative path

Time of First Successful Submission: 2026-02-19 00:23:09

home sweet home

Time of First Successful Submission: 2026-02-19 00:36:48

cat: not the pet, but the command!

Time of First Successful Submission: 2026-02-19 18:22:08

catting absolute paths

Time of First Successful Submission: 2026-02-19 19:10:37

more catting practice

Time of First Successful Submission: 2026-02-19 19:12:28

grepping for a needle in a haystack

Time of First Successful Submission: 2026-02-19 19:14:31

comparing files

Time of First Successful Submission: 2026-02-20 06:38:47

listing files

Time of First Successful Submission: 2026-02-20 06:41:36

touching files

Time of First Successful Submission: 2026-02-20 06:45:44

removing files

Time of First Successful Submission: 2026-02-20 06:46:30

moving files

Time of First Successful Submission: 2026-02-20 06:53:21

copying files

Time of First Successful Submission: 2026-02-20 07:12:25

hidden files

Time of First Successful Submission: 2026-02-20 07:14:10

An Epic Filesystem Quest

Time of First Successful Submission: 2026-02-20 07:18:58

making directories

Time of First Successful Submission: 2026-02-20 07:20:00

finding files

Time of First Successful Submission: 2026-02-20 07:23:45

linking files

Time of First Successful Submission: 2026-02-20 08:02:54

Learning From Documentation

Time of First Successful Submission: 2026-02-20 08:10:29

Learning Complex Usage

Time of First Successful Submission: 2026-02-20 08:12:05

Reading Manuals

Time of First Successful Submission: 2026-02-20 08:16:50

Searching Manuals

Time of First Successful Submission: 2026-02-20 08:19:35

Searching For Manuals

Time of First Successful Submission: 2026-02-20 08:56:38

Helpful Programs

Time of First Successful Submission: 2026-02-20 08:58:12

Help for Builtins

Time of First Successful Submission: 2026-02-20 09:00:45

Matching with *

Time of First Successful Submission: 2026-02-20 15:05:10

Matching with ?

Time of First Successful Submission: 2026-02-20 15:06:17

Matching with []

Time of First Successful Submission: 2026-02-20 15:09:07

Matching paths with []

Time of First Successful Submission: 2026-02-20 15:19:18

Multiple globs

Time of First Successful Submission: 2026-02-20 16:19:38

Mixing globs

Time of First Successful Submission: 2026-02-20 16:22:35

Exclusionary globbing

Time of First Successful Submission: 2026-02-20 16:25:23

Tab completion

Time of First Successful Submission: 2026-02-20 16:28:47

Multiple options for tab completion

Time of First Successful Submission: 2026-02-20 16:30:26

Tab completion on commands

Time of First Successful Submission: 2026-02-20 16:31:17

Redirecting output

Time of First Successful Submission: 2026-02-20 20:42:45

Redirecting more output

Time of First Successful Submission: 2026-02-20 20:43:43

Appending output

Time of First Successful Submission: 2026-02-20 20:45:15

Redirecting errors

Time of First Successful Submission: 2026-02-20 21:04:00

Redirecting input

Time of First Successful Submission: 2026-02-20 23:13:42

Grepping stored results

Time of First Successful Submission: 2026-02-20 23:25:16

Grepping live output

Time of First Successful Submission: 2026-02-20 23:53:16

Grepping errors

Time of First Successful Submission: 2026-02-21 00:28:11

Filtering with grep -v

Time of First Successful Submission: 2026-02-21 17:17:47

Filtering with sed

Time of First Successful Submission: 2026-02-21 17:34:29

Duplicating piped data with tee

Time of First Successful Submission: 2026-02-21 18:05:42

Process substitution for input

Time of First Successful Submission: 2026-02-22 04:57:02

Writing to multiple programs

Time of First Successful Submission: 2026-02-22 06:36:09

Split-piping stderr and stdout

Time of First Successful Submission: 2026-02-22 06:41:11

Named pipes

Time of First Successful Submission: 2026-02-22 06:56:41

Printing Variables

Time of First Successful Submission: 2026-02-22 06:59:53

Setting Variables

Time of First Successful Submission: 2026-02-22 07:02:28

Multi-word Variables

Time of First Successful Submission: 2026-02-22 07:03:06

Exporting Variables

Time of First Successful Submission: 2026-02-22 07:05:37

Printing Exported Variables

Time of First Successful Submission: 2026-02-22 07:06:09

Storing Command Output

Time of First Successful Submission: 2026-02-22 07:07:16

Reading Input

Time of First Successful Submission: 2026-02-22 07:10:01

Reading Files

Time of First Successful Submission: 2026-02-22 07:16:12

Translating characters

Time of First Successful Submission: 2026-02-22 07:21:51

Deleting characters

Time of First Successful Submission: 2026-02-22 07:25:15

Deleting newlines

Time of First Successful Submission: 2026-02-22 07:29:50

Extracting the first lines with head

Time of First Successful Submission: 2026-02-22 07:31:15

Extracting specific sections of text

Time of First Successful Submission: 2026-02-22 07:34:40

Sorting data

Time of First Successful Submission: 2026-02-22 07:38:26

Listing Processes

Time of First Successful Submission: 2026-02-23 00:03:30

Killing Processes

Time of First Successful Submission: 2026-02-23 06:39:45

Interrupting Processes

Time of First Successful Submission: 2026-02-23 06:55:58

Killing Misbehaving Processes

Time of First Successful Submission: 2026-02-23 06:59:07

Suspending Processes

Time of First Successful Submission: 2026-02-23 07:05:22

Resuming Processes

Time of First Successful Submission: 2026-02-23 07:06:55

Backgrounding Processes

Time of First Successful Submission: 2026-02-23 07:09:44

Foregrounding Processes

Time of First Successful Submission: 2026-02-23 07:11:23

Starting Backgrounded Processes

Time of First Successful Submission: 2026-02-24 06:31:50

Process Exit Codes

Time of First Successful Submission: 2026-02-25 05:15:19

Becoming root with su

Time of First Successful Submission: 2026-02-26 14:54:12

Other users with su

Time of First Successful Submission: 2026-02-26 14:57:18

Cracking passwords

Time of First Successful Submission: 2026-02-26 15:08:45

Using sudo

Time of First Successful Submission: 2026-02-26 15:18:20

Changing File Ownership

Time of First Successful Submission: 2026-02-27 04:44:03

Groups and Files

Time of First Successful Submission: 2026-02-27 05:22:11

Fun With Groups Names

Time of First Successful Submission: 2026-02-27 17:26:40

Changing Permissions

Time of First Successful Submission: 2026-02-27 21:21:45

Executable Files

Time of First Successful Submission: 2026-02-28 07:33:46

Permission Tweaking Practice

Time of First Successful Submission: 2026-02-28 07:39:53

Permissions Setting Practice

Time of First Successful Submission: 2026-02-28 07:47:08

The SUID Bit

Time of First Successful Submission: 2026-02-28 07:51:28

Chaining with Semicolons

Time of First Successful Submission: 2026-02-28 20:42:34

Building on Success

Time of First Successful Submission: 2026-02-28 21:03:03

Handling Failure

Time of First Successful Submission: 2026-02-28 21:04:37

Your First Shell Script

Time of First Successful Submission: 2026-02-28 22:05:50

Redirecting Script Output

Time of First Successful Submission: 2026-02-28 22:07:41

Executable Shell Scripts

Time of First Successful Submission: 2026-03-01 04:45:23

Understanding Shebangs

Time of First Successful Submission: 2026-03-01 04:54:33

Scripting with Arguments

Time of First Successful Submission: 2026-03-01 05:03:35

Scripting with Conditionals

Time of First Successful Submission: 2026-03-01 05:16:20

Scripting with Default Cases

Time of First Successful Submission: 2026-03-01 05:18:43

Scripting with Multiple Conditions

Time of First Successful Submission: 2026-03-01 05:20:46

Reading Shell Scripts

Time of First Successful Submission: 2026-03-01 05:25:54

Launching Screen

Time of First Successful Submission: 2026-03-01 05:35:51

Detaching and Attaching

Time of First Successful Submission: 2026-03-01 05:42:39

Finding Sessions

Time of First Successful Submission: 2026-03-01 05:45:08

Switching Windows

Time of First Successful Submission: 2026-03-01 05:46:56

Detaching and Attaching (tmux)

Time of First Successful Submission: 2026-03-01 05:49:39

Switching Windows (tmux)

Time of First Successful Submission: 2026-03-01 05:50:33

The PATH Variable

Time of First Successful Submission: 2026-03-02 05:51:15

Setting PATH

Time of First Successful Submission: 2026-03-02 05:57:42

Finding Commands

Time of First Successful Submission: 2026-03-02 06:00:47

Adding Commands

Time of First Successful Submission: 2026-03-02 06:38:40

Hijacking Commands

Time of First Successful Submission: 2026-03-02 06:53:21

Bashrc Backdoor

Time of First Successful Submission: 2026-03-02 07:33:06

Sniffing Input

Time of First Successful Submission: 2026-03-02 07:47:28

Overshared Directories

Time of First Successful Submission: 2026-03-02 08:09:57

Tricky Linking

Time of First Successful Submission: 2026-03-02 18:40:24

Sniffing Process Arguments

Time of First Successful Submission: 2026-03-03 04:16:55

Snooping on Configurations

Time of First Successful Submission: 2026-03-03 04:20:38

The Fork Bomb

Time of First Successful Submission: 2026-03-03 04:46:31

Disk-Space Doomsday

Time of First Successful Submission: 2026-03-03 05:46:04

rm -rf /

Time of First Successful Submission: 2026-03-03 05:49:47

Life after rm -rf /

Time of First Successful Submission: 2026-03-03 06:01:48

Finding meaning after rm -rf /

Time of First Successful Submission: 2026-03-03 06:05:51


Computing 101

120 / 132 305 / 22333


Your First Register

Time of First Successful Submission: 2026-03-04 06:36:56

Your First Syscall

Time of First Successful Submission: 2026-03-04 06:41:01

Exit Codes

Time of First Successful Submission: 2026-03-04 09:06:39

Building Executables

Time of First Successful Submission: 2026-03-04 09:17:18

Moving Between Registers

Time of First Successful Submission: 2026-03-04 09:28:38

Loading From Memory

Time of First Successful Submission: 2026-03-05 08:01:20

More Loading Practice

Time of First Successful Submission: 2026-03-05 08:20:10

Dereferencing Pointers

Time of First Successful Submission: 2026-03-05 08:30:46

Dereferencing Yourself

Time of First Successful Submission: 2026-03-05 08:35:49

Dereferencing with Offsets

Time of First Successful Submission: 2026-03-05 08:39:05

Stored Addresses

Time of First Successful Submission: 2026-03-05 08:43:16

Double Dereference

Time of First Successful Submission: 2026-03-05 08:47:20

The Stack

Time of First Successful Submission: 2026-03-06 09:18:41

Stack Offsets

Time of First Successful Submission: 2026-03-06 10:17:30

Program Arguments on the Stack

Time of First Successful Submission: 2026-03-06 10:19:49

Popping From the Stack

Time of First Successful Submission: 2026-03-06 10:23:05

Negative Numbers

Time of First Successful Submission: 2026-07-11 01:57:39

Negative Numbers (16-bit)

Time of First Successful Submission: 2026-07-11 14:13:53

Negative Numbers (32-bit)

Time of First Successful Submission: 2026-07-11 14:19:25

Encoding Negatives

Time of First Successful Submission: 2026-07-11 14:31:09

Binary and Hex Encoding

Time of First Successful Submission: 2026-07-11 15:33:28

More Hex

Time of First Successful Submission: 2026-07-11 15:37:36

Decoding Hex

Time of First Successful Submission: 2026-07-11 15:40:19

Mixed Conversions

Time of First Successful Submission: 2026-07-11 15:46:59

Disassembling Programs

Time of First Successful Submission: 2026-03-06 12:07:12

Tracing Syscalls

Time of First Successful Submission: 2026-03-06 12:11:48

Starting GDB

Time of First Successful Submission: 2026-03-06 14:46:12

Quitting GDB

Time of First Successful Submission: 2026-03-06 14:47:39

Starting Programs in GDB

Time of First Successful Submission: 2026-03-07 07:06:04

Disassembling in GDB

Time of First Successful Submission: 2026-03-07 07:08:47

Stepping Through Instructions

Time of First Successful Submission: 2026-03-07 07:13:32

Reading Register Values

Time of First Successful Submission: 2026-03-07 07:15:17

Setting Register Values

Time of First Successful Submission: 2026-07-11 21:35:18

Popping Stack Values

Time of First Successful Submission: 2026-03-07 07:18:46

Examining Memory

Time of First Successful Submission: 2026-03-07 07:22:00

Examining Stack Pointers

Time of First Successful Submission: 2026-03-07 07:29:10

Cooperative Debugging

Time of First Successful Submission: 2026-03-07 07:37:50

Running with Arguments

Time of First Successful Submission: 2026-07-11 21:43:16

Redirecting Input in GDB

Time of First Successful Submission: 2026-07-11 21:45:01

Writing Output

Time of First Successful Submission: 2026-03-08 06:39:18

Chaining Syscalls

Time of First Successful Submission: 2026-03-08 06:41:05

Writing Strings

Time of First Successful Submission: 2026-03-08 06:42:39

Reading Data

Time of First Successful Submission: 2026-03-08 07:18:52

Reading Exactly

Time of First Successful Submission: 2026-07-15 23:29:01

Opening Files

Time of First Successful Submission: 2026-03-08 07:54:46

Hardcoding the Filename

Time of First Successful Submission: 2026-03-08 08:38:20

RIP-Relative Strings

Time of First Successful Submission: 2026-07-16 16:03:15

Comparing Values

Time of First Successful Submission: 2026-03-09 05:59:10

Comparing Characters

Time of First Successful Submission: 2026-03-09 06:19:07

Conditional Control Flow

Time of First Successful Submission: 2026-03-10 04:25:59

Comparing Strings

Time of First Successful Submission: 2026-03-10 14:04:09

Reverse the Password

Time of First Successful Submission: 2026-03-10 14:17:34

Conditionals Without Conditionals

Time of First Successful Submission: 2026-03-10 15:43:42

Recognizing Loops

Time of First Successful Submission: 2026-03-11 05:43:45

Writing Loops

Time of First Successful Submission: 2026-07-21 02:46:22

Writing From a Shared Library

Time of First Successful Submission: 2026-07-21 20:53:54

Returning a Value

Time of First Successful Submission: 2026-07-21 20:36:12

Calling Through a Pointer

Time of First Successful Submission: 2026-07-21 20:41:44

Calling Through a Pointer with an Argument

Time of First Successful Submission: 2026-07-21 20:44:56

Saving Caller-Saved Registers

Time of First Successful Submission: 2026-07-22 05:27:33

Saving Callee-Saved Registers

Time of First Successful Submission: 2026-07-22 20:07:41

Sign Extension

Time of First Successful Submission: 2026-07-24 05:02:34

Little-Endian Bytes

Time of First Successful Submission: 2026-07-24 05:44:40

Qword by Qword

Time of First Successful Submission: 2026-07-24 05:52:45

Dword by Dword

Time of First Successful Submission: 2026-07-24 06:36:44

Word by Word

Time of First Successful Submission: 2026-07-24 06:39:14

Byte by Byte

Time of First Successful Submission: 2026-07-24 06:40:25

Cracking a Struct

Time of First Successful Submission: 2026-07-24 20:14:51

Scrambled Struct

Time of First Successful Submission: 2026-07-24 20:18:24

Reverse the Calculation

Time of First Successful Submission: 2026-03-11 15:20:53

Reverse the Reverse

Time of First Successful Submission: 2026-03-11 19:52:30

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-03-11 20:02:48

Even or Odd

Time of First Successful Submission: 2026-07-25 05:21:53

Masking Bits

Time of First Successful Submission: 2026-07-25 22:49:50

Lowercase a String

Time of First Successful Submission: 2026-07-25 22:54:26

Uppercase a String

Time of First Successful Submission: 2026-07-26 00:33:12

Swap Case

Time of First Successful Submission: 2026-07-26 01:03:08

Shifting Left

Time of First Successful Submission: 2026-07-26 02:31:44

Shifting Right

Time of First Successful Submission: 2026-07-26 03:24:28

Loops on Data

Time of First Successful Submission: 2026-03-11 20:21:41

Reaching Into the Caller's Frame

Time of First Successful Submission: 2026-07-26 05:30:45

Loading Stale Stack Data

Time of First Successful Submission: 2026-07-27 05:34:15

Stealing Stale Stack Data

Time of First Successful Submission: 2026-07-27 07:26:50

Reserving Your Own Frame

Time of First Successful Submission: 2026-07-27 08:42:41

Using Your Own Frame

Time of First Successful Submission: 2026-07-27 08:48:34

Environment Variables on the Stack

Time of First Successful Submission: 2026-07-28 02:07:03

Aligning the Stack Through the Environment

Time of First Successful Submission: 2026-07-28 02:17:45

Aligning the Stack Through GDB

Time of First Successful Submission: 2026-07-28 02:36:17

Aligning the Stack Through GDB, Generalized

Time of First Successful Submission: 2026-07-28 02:46:34

A Single Digit

Time of First Successful Submission: 2026-07-28 19:41:29

Two Digits

Time of First Successful Submission: 2026-07-29 06:24:42

String to Integer

Time of First Successful Submission: 2026-07-29 06:38:29

Negative Numbers

Time of First Successful Submission: 2026-07-29 20:09:09

Where the Number Ends

Time of First Successful Submission: 2026-07-29 23:49:00

A Whole Program

Time of First Successful Submission: 2026-07-30 04:57:28

A Single Digit, Back to Text

Time of First Successful Submission: 2026-07-31 02:51:25

Divide and Remainder

Time of First Successful Submission: 2026-07-31 15:03:06

Drop the Leading Zero

Time of First Successful Submission: 2026-07-31 19:13:04

Integer to String

Time of First Successful Submission: 2026-07-31 20:11:41

Negative Numbers, Back to Text

Time of First Successful Submission: 2026-07-31 21:37:22

Sum Them All

Time of First Successful Submission: 2026-08-02 02:49:54

Debugging Programs

Time of First Successful Submission: 2026-08-03 10:25:34

Inspecting Registers

Time of First Successful Submission: 2026-08-03 11:59:05

Examining Memory

Time of First Successful Submission: 2026-08-03 12:21:33

Setting Breakpoints

Time of First Successful Submission: 2026-08-03 14:51:15

GDB Scripting

Time of First Successful Submission: 2026-08-03 17:32:01

Modifying Data

Time of First Successful Submission: 2026-08-04 17:20:59

Modifying Execution

Time of First Successful Submission: 2026-08-04 23:28:10

Broken Functions

Time of First Successful Submission: 2026-08-04 23:35:16

Exit

Time of First Successful Submission: 2026-03-16 04:45:20

Socket

Time of First Successful Submission: 2026-03-17 16:49:46

Bind

Time of First Successful Submission: 2026-03-18 01:55:47

Listen

Time of First Successful Submission: 2026-03-18 23:47:40

Accept

Time of First Successful Submission: 2026-08-06 03:09:04

Static Response

Time of First Successful Submission: 2026-08-06 03:26:18

Dynamic Response

Time of First Successful Submission: 2026-08-07 04:31:11

Iterative GET Server

Time of First Successful Submission: 2026-08-07 10:56:04

Concurrent GET Server

Time of First Successful Submission: 2026-08-08 07:10:49

Concurrent POST Server

Time of First Successful Submission: 2026-08-08 10:43:59

Web Server

Time of First Successful Submission: 2026-08-08 10:46:58


Playing With Programs

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What's the password?

Time of First Successful Submission: 2026-08-08 14:59:54

... and again!

Time of First Successful Submission: 2026-08-08 15:00:43

Newline Troubles

Time of First Successful Submission: 2026-08-08 15:07:56

Reasoning about files

Time of First Successful Submission: 2026-08-08 15:11:13

Specifying Filenames

Time of First Successful Submission: 2026-08-08 15:15:22

Binary and Hex Encoding

Time of First Successful Submission: 2026-08-08 20:31:49

More Hex

Time of First Successful Submission: 2026-08-08 20:33:23

Decoding Hex

Time of First Successful Submission: 2026-08-08 20:48:08

Decoding Practice

Time of First Successful Submission: 2026-08-08 21:47:02

Encoding Practice

Time of First Successful Submission: 2026-08-09 15:05:49

Hex-encoding ASCII

Time of First Successful Submission: 2026-08-09 15:45:10

Nested Encoding

Time of First Successful Submission: 2026-08-09 15:55:35

Hex-encoding UTF-8

Time of First Successful Submission: 2026-08-09 16:44:19

UTF Mixups

Time of First Successful Submission: 2026-08-09 17:25:56

Modifying Encoded Data

Time of First Successful Submission: 2026-08-09 17:59:21

Decoding Base64

Time of First Successful Submission: 2026-08-09 19:06:19

Encoding Base64

Time of First Successful Submission: 2026-08-09 19:13:56

Dealing with Obfuscation

Time of First Successful Submission: 2026-08-09 19:24:30

Dealing with Obfuscation 2

Time of First Successful Submission: 2026-08-09 19:45:28

Your First HTTP Request

Time of First Successful Submission: 2026-08-10 13:52:03

Reading Flask

Time of First Successful Submission: 2026-08-10 13:54:56

Commented Data

Time of First Successful Submission: 2026-08-10 13:58:20

HTTP Metadata

Time of First Successful Submission: 2026-08-10 14:00:09

HTTP (netcat)

Time of First Successful Submission: 2026-08-10 14:18:16

HTTP Paths (netcat)

Time of First Successful Submission: 2026-08-10 14:21:09

HTTP (curl)

Time of First Successful Submission: 2026-08-10 14:27:05

HTTP (python)

Time of First Successful Submission: 2026-08-10 14:29:52

HTTP Host Header (python)

Time of First Successful Submission: 2026-08-10 14:42:54

HTTP Host Header (curl)

Time of First Successful Submission: 2026-08-10 14:46:14

HTTP Host Header (netcat)

Time of First Successful Submission: 2026-08-10 14:55:10

URL Encoding (netcat)

Time of First Successful Submission: 2026-08-10 15:14:22

HTTP GET Parameters

Time of First Successful Submission: 2026-08-10 16:28:46

Multiple HTTP Parameters (netcat)

Time of First Successful Submission: 2026-08-10 16:34:15

Multiple HTTP Parameters (curl)

Time of First Successful Submission: 2026-08-10 16:36:38

HTTP Forms

Time of First Successful Submission: 2026-08-10 17:18:36

HTTP Forms (curl)

Time of First Successful Submission: 2026-08-10 17:36:35

HTTP Forms (netcat)

Time of First Successful Submission: 2026-08-10 18:08:18

HTTP Forms (python)

Time of First Successful Submission: 2026-08-10 18:11:03

HTTP Forms Without Forms

Time of First Successful Submission: 2026-08-10 18:20:43

Multiple Form Fields (curl)

Time of First Successful Submission: 2026-08-10 18:22:28

Multiple Form Fields (netcat)

Time of First Successful Submission: 2026-08-10 18:26:03

HTTP Redirects (netcat)

Time of First Successful Submission: 2026-08-10 18:38:48

HTTP Redirects (curl)

Time of First Successful Submission: 2026-08-10 19:43:40

HTTP Redirects (python)

Time of First Successful Submission: 2026-08-10 19:45:54

HTTP Cookies (curl)

Time of First Successful Submission: 2026-08-10 19:52:38

HTTP Cookies (netcat)

Time of First Successful Submission: 2026-08-10 20:05:05

HTTP Cookies (python)

Time of First Successful Submission: 2026-08-10 20:11:00

Server State (python)

Time of First Successful Submission: 2026-08-10 20:23:32

Listening Web

Time of First Successful Submission: 2026-08-11 10:51:24

Speaking Redirects

Time of First Successful Submission: 2026-08-11 11:09:36

JavaScript Redirects

Time of First Successful Submission: 2026-08-11 11:31:45

Including JavaScript

Time of First Successful Submission: 2026-08-11 12:40:16

HTTP (javascript)

Time of First Successful Submission: 2026-08-11 12:45:05

HTTP Get Parameters (javascript)

Time of First Successful Submission: 2026-08-11 12:53:56

HTTP Forms (javascript)

Time of First Successful Submission: 2026-08-11 13:56:47

cat

Time of First Successful Submission: 2026-08-11 17:16:49

more

Time of First Successful Submission: 2026-08-11 17:17:36

less

Time of First Successful Submission: 2026-08-11 17:18:39

tail

Time of First Successful Submission: 2026-08-11 17:19:15

head

Time of First Successful Submission: 2026-08-11 17:20:17

sort

Time of First Successful Submission: 2026-08-11 17:20:51

vim

Time of First Successful Submission: 2026-08-11 17:21:54

emacs

Time of First Successful Submission: 2026-08-11 17:24:51

nano

Time of First Successful Submission: 2026-08-11 18:09:26

rev

Time of First Successful Submission: 2026-08-11 18:14:17

od

Time of First Successful Submission: 2026-08-11 18:22:57

hd

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xxd

Time of First Successful Submission: 2026-08-11 18:39:58

base32

Time of First Successful Submission: 2026-08-11 18:42:21

base64

Time of First Successful Submission: 2026-08-11 18:42:45

split

Time of First Successful Submission: 2026-08-11 18:44:52

gzip

Time of First Successful Submission: 2026-08-11 19:02:25

bzip2

Time of First Successful Submission: 2026-08-11 19:13:06

zip

Time of First Successful Submission: 2026-08-11 19:26:35

tar

Time of First Successful Submission: 2026-08-11 19:34:37

ar

Time of First Successful Submission: 2026-08-11 19:37:10

cpio

Time of First Successful Submission: 2026-08-11 19:49:19

genisoimage

Time of First Successful Submission: 2026-08-11 20:03:20

env

Time of First Successful Submission: 2026-08-11 20:38:16

find

Time of First Successful Submission: 2026-08-11 20:35:56

make

Time of First Successful Submission: 2026-08-11 20:44:45

nice

Time of First Successful Submission: 2026-08-11 20:51:13

timeout

Time of First Successful Submission: 2026-08-12 10:38:55

stdbuf

Time of First Successful Submission: 2026-08-12 10:40:10

setarch

Time of First Successful Submission: 2026-08-12 10:50:16

watch

Time of First Successful Submission: 2026-08-12 10:57:54

socat

Time of First Successful Submission: 2026-08-12 11:10:45

whiptail

Time of First Successful Submission: 2026-08-12 11:16:19

awk

Time of First Successful Submission: 2026-08-12 11:23:40

sed

Time of First Successful Submission: 2026-08-12 12:38:02

ed

Time of First Successful Submission: 2026-08-12 14:00:26

chown

Time of First Successful Submission: 2026-08-12 14:02:31

chmod

Time of First Successful Submission: 2026-08-12 14:03:20

cp

Time of First Successful Submission: 2026-08-12 14:07:22

mv

Time of First Successful Submission: 2026-08-12 14:47:08

perl

Time of First Successful Submission: 2026-08-12 15:12:21

python

Time of First Successful Submission: 2026-08-12 15:13:15

ruby

Time of First Successful Submission: 2026-08-12 15:23:38

bash

Time of First Successful Submission: 2026-08-12 15:25:01

date

Time of First Successful Submission: 2026-08-12 15:44:56

dmesg

Time of First Successful Submission: 2026-08-12 15:45:23

wc

Time of First Successful Submission: 2026-08-12 16:37:10

gcc

Time of First Successful Submission: 2026-08-12 16:38:23

as

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wget

Time of First Successful Submission: 2026-08-12 16:50:59

ssh-keygen

Time of First Successful Submission: 2026-08-12 17:05:43

SQL Queries

Time of First Successful Submission: 2026-08-12 18:23:28

Filtering SQL

Time of First Successful Submission: 2026-08-12 18:27:24

Choosing Columns

Time of First Successful Submission: 2026-08-13 10:58:09

Exclusionary Filtering

Time of First Successful Submission: 2026-08-13 11:04:51

Filtering Strings

Time of First Successful Submission: 2026-08-13 11:07:51

Filtering on Expressions

Time of First Successful Submission: 2026-08-13 11:10:35

SELECTing Expressions

Time of First Successful Submission: 2026-08-13 11:30:04

Composite Conditions

Time of First Successful Submission: 2026-08-13 11:42:04

Reaching Your LIMITs

Time of First Successful Submission: 2026-08-13 11:48:44

Querying Metadata

Time of First Successful Submission: 2026-08-13 12:00:31


DSU Cyber Camps

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Using the Terminal

Time of First Successful Submission: 2026-02-18 14:33:11

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-18 14:45:10

Using the GUI Desktop

Time of First Successful Submission: 2026-02-18 14:48:12

Pasting into the Desktop

Time of First Successful Submission: 2026-02-18 14:49:44

Connecting over SSH

Time of First Successful Submission: 2026-02-22 04:31:24

Restarting Challenges

Time of First Successful Submission: 2026-02-18 14:52:40

Challenge Programs

Time of First Successful Submission: 2026-03-04 01:07:17

The Flag File

Time of First Successful Submission: 2026-03-04 01:09:38

Using Privileged Mode

Time of First Successful Submission: 2026-03-04 01:12:19

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-04 02:43:10

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-04 02:43:36


GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-02-18 14:33:11

Using the VSCode Workspace

Time of First Successful Submission: 2026-02-18 14:45:10

Using the GUI Desktop

Time of First Successful Submission: 2026-02-18 14:48:12

Pasting into the Desktop

Time of First Successful Submission: 2026-02-18 14:49:44

Connecting over SSH

Time of First Successful Submission: 2026-02-22 04:31:24

Restarting Challenges

Time of First Successful Submission: 2026-02-18 14:52:40

Challenge Programs

Time of First Successful Submission: 2026-03-04 01:07:17

The Flag File

Time of First Successful Submission: 2026-03-04 01:09:38

Using Privileged Mode

Time of First Successful Submission: 2026-03-04 01:12:19

Persistent Home Directories - One

Time of First Successful Submission: 2026-03-04 02:43:10

Persistent Home Directories - Two

Time of First Successful Submission: 2026-03-04 02:43:36