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Triple Dereference

Time of First Successful Submission: 2026-01-23 09:50:27


Intro to Cybersecurity

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File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2026-03-05 08:27:40

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2026-03-05 09:01:44

File Formats: Magic Numbers (x86)

Time of First Successful Submission: 2026-03-05 09:07:08

Reading Endianness (Python)

Time of First Successful Submission: 2026-03-05 09:10:38

Reading Endianness (C)

Time of First Successful Submission: 2026-03-05 09:13:47

Reading Endianness (x86)

Time of First Successful Submission: 2026-03-05 09:15:49

Version Information (Python)

Time of First Successful Submission: 2026-03-05 09:24:23

Your First Overflow (easy)

Time of First Successful Submission: 2026-02-25 11:22:38

Your First Overflow (hard)

Time of First Successful Submission: 2026-02-25 11:30:06

Precision (easy)

Time of First Successful Submission: 2026-02-25 11:36:14

Variable Control (easy)

Time of First Successful Submission: 2026-02-26 09:43:19

Variable Control (hard)

Time of First Successful Submission: 2026-02-26 10:14:11

Control Hijack (easy)

Time of First Successful Submission: 2026-02-26 10:25:02

Control Hijack (hard)

Time of First Successful Submission: 2026-03-09 11:45:53


Computing 101

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Your First Register

Time of First Successful Submission: 2026-01-23 08:26:57

Your First Syscall

Time of First Successful Submission: 2026-01-23 08:29:01

Exit Codes

Time of First Successful Submission: 2026-01-23 08:31:08

Building Executables

Time of First Successful Submission: 2026-01-23 08:36:49

Moving Between Registers

Time of First Successful Submission: 2026-01-23 08:39:05

Loading From Memory

Time of First Successful Submission: 2026-01-23 08:45:55

More Loading Practice

Time of First Successful Submission: 2026-01-23 08:47:23

Dereferencing Pointers

Time of First Successful Submission: 2026-01-23 08:48:43

Dereferencing Yourself

Time of First Successful Submission: 2026-01-23 08:49:48

Dereferencing with Offsets

Time of First Successful Submission: 2026-01-23 08:50:42

Stored Addresses

Time of First Successful Submission: 2026-01-23 08:54:01

Double Dereference

Time of First Successful Submission: 2026-01-23 09:44:36

The Stack

Time of First Successful Submission: 2026-02-25 05:29:59

Stack Offsets

Time of First Successful Submission: 2026-02-25 05:31:05

Program Arguments on the Stack

Time of First Successful Submission: 2026-02-25 05:33:05

Popping From the Stack

Time of First Successful Submission: 2026-02-25 05:36:43

Disassembling Programs

Time of First Successful Submission: 2026-02-25 05:43:20

Tracing Syscalls

Time of First Successful Submission: 2026-01-23 08:40:55

Starting GDB

Time of First Successful Submission: 2026-01-23 08:42:15

Quitting GDB

Time of First Successful Submission: 2026-02-25 05:42:18

Starting Programs in GDB

Time of First Successful Submission: 2026-01-23 08:43:25

Disassembling in GDB

Time of First Successful Submission: 2026-02-25 05:45:09

Stepping Through Instructions

Time of First Successful Submission: 2026-02-25 05:46:45

Reading Register Values

Time of First Successful Submission: 2026-02-25 05:48:59

Popping Stack Values

Time of First Successful Submission: 2026-02-25 05:50:11

Examining Memory

Time of First Successful Submission: 2026-02-25 05:52:10

Examining Stack Pointers

Time of First Successful Submission: 2026-02-25 05:53:00

Cooperative Debugging

Time of First Successful Submission: 2026-02-25 05:57:19

Writing Output

Time of First Successful Submission: 2026-01-23 11:12:41

Chaining Syscalls

Time of First Successful Submission: 2026-01-23 11:14:30

Writing Strings

Time of First Successful Submission: 2026-01-23 11:15:39

Reading Data

Time of First Successful Submission: 2026-01-23 11:32:16

Opening Files

Time of First Successful Submission: 2026-02-25 06:08:33

Hardcoding the Filename

Time of First Successful Submission: 2026-02-25 06:16:33

Comparing Values

Time of First Successful Submission: 2026-02-25 06:28:28

Comparing Characters

Time of First Successful Submission: 2026-02-25 06:34:10

Conditional Control Flow

Time of First Successful Submission: 2026-02-25 10:54:39

Comparing Strings

Time of First Successful Submission: 2026-02-25 10:56:00

Reverse the Password

Time of First Successful Submission: 2026-02-25 11:00:41

set-register

Time of First Successful Submission: 2026-01-23 11:39:10

set-multiple-registers

Time of First Successful Submission: 2026-01-23 11:46:00

add-to-register

Time of First Successful Submission: 2026-01-23 12:14:42

linear-equation-registers

Time of First Successful Submission: 2026-01-23 12:33:24

integer-division

Time of First Successful Submission: 2026-01-27 04:34:42

modulo-operation

Time of First Successful Submission: 2026-01-27 04:40:09

set-upper-byte

Time of First Successful Submission: 2026-01-27 07:26:23

efficient-modulo

Time of First Successful Submission: 2026-02-10 17:09:45

byte-extraction

Time of First Successful Submission: 2026-02-10 17:02:07

bitwise-and

Time of First Successful Submission: 2026-01-27 07:34:31

check-even

Time of First Successful Submission: 2026-01-27 07:42:06

memory-read

Time of First Successful Submission: 2026-01-27 16:38:02

memory-write

Time of First Successful Submission: 2026-01-27 16:41:01

memory-increment

Time of First Successful Submission: 2026-01-27 16:45:49

byte-access

Time of First Successful Submission: 2026-01-27 16:48:51

memory-size-access

Time of First Successful Submission: 2026-01-27 16:58:32

little-endian-write

Time of First Successful Submission: 2026-02-10 17:14:30

memory-sum

Time of First Successful Submission: 2026-02-10 17:34:09

stack-subtraction

Time of First Successful Submission: 2026-02-10 17:38:24

swap-stack-values

Time of First Successful Submission: 2026-02-10 17:42:46

average-stack-values

Time of First Successful Submission: 2026-02-10 17:47:04

absolute-jump

Time of First Successful Submission: 2026-02-10 17:50:31

relative-jump

Time of First Successful Submission: 2026-02-10 17:59:24

jump-trampoline

Time of First Successful Submission: 2026-02-10 18:02:15

conditional-jump

Time of First Successful Submission: 2026-02-11 08:06:31

Exit

Time of First Successful Submission: 2026-01-23 12:41:18

Socket

Time of First Successful Submission: 2026-01-23 12:46:00

Bind

Time of First Successful Submission: 2026-01-23 13:19:15

Listen

Time of First Successful Submission: 2026-01-26 18:17:21

Accept

Time of First Successful Submission: 2026-01-26 18:48:32

Static Response

Time of First Successful Submission: 2026-01-26 18:44:42


Playing With Programs

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Your First HTTP Request

Time of First Successful Submission: 2026-01-23 13:38:56

Reading Flask

Time of First Successful Submission: 2026-01-23 13:40:50

Commented Data

Time of First Successful Submission: 2026-01-23 13:43:22