Rempai

💻

Netherlands

Intro to Cybersecurity

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Your First Overflow (easy)

Time of First Successful Submission: 2025-03-31 11:39:24

Your First Overflow (hard)

Time of First Successful Submission: 2025-03-31 11:41:37

Precision (easy)

Time of First Successful Submission: 2025-03-31 12:09:19

Precision (hard)

Time of First Successful Submission: 2025-03-31 12:15:56

Variable Control (easy)

Time of First Successful Submission: 2025-03-31 12:23:03

Variable Control (hard)

Time of First Successful Submission: 2025-03-31 12:26:16

Control Hijack (easy)

Time of First Successful Submission: 2025-03-31 12:30:39

Control Hijack (hard)

Time of First Successful Submission: 2025-03-31 12:51:19

Getting Started

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Using the VSCode Workspace

Time of First Successful Submission: 2025-03-07 10:22:05

Using the GUI Desktop

Time of First Successful Submission: 2025-03-07 10:23:12

Pasting into the Desktop

Time of First Successful Submission: 2025-03-07 10:24:50

Restarting Challenges

Time of First Successful Submission: 2025-03-07 10:26:29

Getting Help

Time of First Successful Submission: 2025-03-07 10:28:25

Challenge Programs

Time of First Successful Submission: 2025-03-07 10:30:35

The Flag File

Time of First Successful Submission: 2025-03-07 10:32:12

Using Practice Mode

Time of First Successful Submission: 2025-03-07 10:34:39

Persistent Home Directories - One

Time of First Successful Submission: 2025-03-07 10:40:41

Persistent Home Directories - Two

Time of First Successful Submission: 2025-03-07 10:41:31

Computing 101

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Your First Register

Time of First Successful Submission: 2025-03-11 13:12:27

Your First Syscall

Time of First Successful Submission: 2025-03-11 13:14:34

Exit Codes

Time of First Successful Submission: 2025-03-11 13:16:56

Building Executables

Time of First Successful Submission: 2025-03-11 13:31:28

Moving Between Registers

Time of First Successful Submission: 2025-03-11 13:34:05

Tracing Syscalls

Time of First Successful Submission: 2025-03-11 13:37:18

Starting GDB

Time of First Successful Submission: 2025-03-11 13:39:01

Starting Programs in GDB

Time of First Successful Submission: 2025-03-11 13:40:48

Loading From Memory

Time of First Successful Submission: 2025-03-11 14:17:19

More Loading Practice

Time of First Successful Submission: 2025-03-11 14:18:37

Dereferencing Pointers

Time of First Successful Submission: 2025-03-11 14:26:40

Dereferencing Yourself

Time of First Successful Submission: 2025-03-11 14:31:31

Dereferencing with Offsets

Time of First Successful Submission: 2025-03-11 14:32:50

Stored Addresses

Time of First Successful Submission: 2025-03-11 14:45:34

Double Dereference

Time of First Successful Submission: 2025-03-11 14:48:22

Triple Dereference

Time of First Successful Submission: 2025-03-11 14:50:13

Writing Output

Time of First Successful Submission: 2025-03-11 15:08:27

Chaining Syscalls

Time of First Successful Submission: 2025-03-11 15:13:06

Writing Strings

Time of First Successful Submission: 2025-03-11 15:14:29

Reading Data

Time of First Successful Submission: 2025-03-11 15:20:10

set-register

Time of First Successful Submission: 2025-03-11 15:27:03

set-multiple-registers

Time of First Successful Submission: 2025-03-11 15:31:21

add-to-register

Time of First Successful Submission: 2025-03-11 15:36:42

linear-equation-registers

Time of First Successful Submission: 2025-03-11 16:19:42

integer-division

Time of First Successful Submission: 2025-03-14 14:07:56

modulo-operation

Time of First Successful Submission: 2025-03-14 14:25:29

set-upper-byte

Time of First Successful Submission: 2025-03-14 15:26:08

efficient-modulo

Time of First Successful Submission: 2025-03-14 16:05:54

byte-extraction

Time of First Successful Submission: 2025-03-14 16:14:02

bitwise-and

Time of First Successful Submission: 2025-03-14 16:18:41

check-even

Time of First Successful Submission: 2025-03-14 17:25:24

memory-read

Time of First Successful Submission: 2025-03-14 17:34:03

memory-write

Time of First Successful Submission: 2025-03-14 17:36:02

memory-increment

Time of First Successful Submission: 2025-03-14 17:42:58

byte-access

Time of First Successful Submission: 2025-03-14 17:46:05

memory-size-access

Time of First Successful Submission: 2025-03-14 17:58:26

little-endian-write

Time of First Successful Submission: 2025-03-14 18:02:26

memory-sum

Time of First Successful Submission: 2025-03-14 18:16:10

stack-subtraction

Time of First Successful Submission: 2025-03-14 18:19:57

swap-stack-values

Time of First Successful Submission: 2025-03-14 18:28:00

average-stack-values

Time of First Successful Submission: 2025-03-14 18:39:12

absolute-jump

Time of First Successful Submission: 2025-03-14 18:41:21

relative-jump

Time of First Successful Submission: 2025-03-14 19:06:56

jump-trampoline

Time of First Successful Submission: 2025-03-14 19:10:02

conditional-jump

Time of First Successful Submission: 2025-03-14 19:42:56

indirect-jump

Time of First Successful Submission: 2025-03-14 20:27:34

average-loop

Time of First Successful Submission: 2025-03-14 20:45:05

count-non-zero

Time of First Successful Submission: 2025-03-14 21:03:09

string-lower

Time of First Successful Submission: 2025-03-15 19:40:24

most-common-byte

Time of First Successful Submission: 2025-03-15 21:02:33

level1

Time of First Successful Submission: 2025-03-17 13:13:00

level2

Time of First Successful Submission: 2025-03-17 13:15:19

level3

Time of First Successful Submission: 2025-03-17 13:24:19

level4

Time of First Successful Submission: 2025-03-31 11:03:19

level5

Time of First Successful Submission: 2025-03-31 11:17:44

level6

Time of First Successful Submission: 2025-03-31 11:21:00

level7

Time of First Successful Submission: 2025-03-31 11:21:54

level8

Time of First Successful Submission: 2025-03-31 11:22:46

Exit

Time of First Successful Submission: 2025-03-17 14:49:56

Socket

Time of First Successful Submission: 2025-03-17 14:59:09

Bind

Time of First Successful Submission: 2025-03-17 16:41:51

Listen

Time of First Successful Submission: 2025-03-17 18:33:36

Accept

Time of First Successful Submission: 2025-03-17 18:39:45

Static Response

Time of First Successful Submission: 2025-03-17 19:13:14

Dynamic Response

Time of First Successful Submission: 2025-03-18 17:21:42

Iterative GET Server

Time of First Successful Submission: 2025-03-18 17:24:12

Concurrent GET Server

Time of First Successful Submission: 2025-03-18 17:26:44

Concurrent POST Server

Time of First Successful Submission: 2025-03-18 18:45:44

Web Server

Time of First Successful Submission: 2025-03-18 18:54:55