matheus

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-04-22 17:39:32

Path Traversal 2

Time of First Successful Submission: 2026-04-22 18:17:47

CMDi 1

Time of First Successful Submission: 2026-04-22 18:43:43

CMDi 2

Time of First Successful Submission: 2026-04-22 18:59:22

CMDi 3

Time of First Successful Submission: 2026-04-22 19:25:25

CMDi 4

Time of First Successful Submission: 2026-04-22 19:39:50

CMDi 5

Time of First Successful Submission: 2026-04-22 20:59:38

CMDi 6

Time of First Successful Submission: 2026-04-22 21:05:26

Authentication Bypass 1

Time of First Successful Submission: 2026-04-23 16:38:48

Authentication Bypass 2

Time of First Successful Submission: 2026-04-23 16:48:25

SQLi 1

Time of First Successful Submission: 2026-04-23 17:01:02

SQLi 2

Time of First Successful Submission: 2026-04-23 17:09:04

SQLi 3

Time of First Successful Submission: 2026-04-23 17:41:40

SQLi 4

Time of First Successful Submission: 2026-04-23 17:49:23

SQLi 5

Time of First Successful Submission: 2026-04-23 18:09:33

XSS 1

Time of First Successful Submission: 2026-04-25 14:29:27

XSS 2

Time of First Successful Submission: 2026-04-26 15:27:54

XSS 3

Time of First Successful Submission: 2026-04-26 15:55:57

XSS 4

Time of First Successful Submission: 2026-04-26 16:18:56

XSS 5

Time of First Successful Submission: 2026-04-27 02:14:51

XSS 6

Time of First Successful Submission: 2026-04-27 02:35:03

XSS 7

Time of First Successful Submission: 2026-04-27 02:45:12

CSRF 1

Time of First Successful Submission: 2026-04-27 13:52:44

CSRF 2

Time of First Successful Submission: 2026-04-27 14:23:34

CSRF 3

Time of First Successful Submission: 2026-04-27 14:45:30

CSRF 4

Time of First Successful Submission: 2026-04-27 15:17:04

CSRF 5

Time of First Successful Submission: 2026-04-27 15:31:27

Connect

Time of First Successful Submission: 2026-04-28 15:02:16

Send

Time of First Successful Submission: 2026-04-28 15:03:52

Shutdown

Time of First Successful Submission: 2026-04-28 15:10:31

Listen

Time of First Successful Submission: 2026-04-28 15:12:01

Scan 1

Time of First Successful Submission: 2026-04-28 15:42:14

Scan 2

Time of First Successful Submission: 2026-04-28 20:57:20

Monitor 1

Time of First Successful Submission: 2026-04-28 22:41:07

Monitor 2

Time of First Successful Submission: 2026-04-28 23:04:52

Sniffing Cookies

Time of First Successful Submission: 2026-04-28 23:41:17

Network Configuration

Time of First Successful Submission: 2026-04-28 23:58:25

Firewall 1

Time of First Successful Submission: 2026-04-29 12:48:47

Firewall 2

Time of First Successful Submission: 2026-04-29 12:53:55

Firewall 3

Time of First Successful Submission: 2026-04-29 13:32:19

Denial of Service 1

Time of First Successful Submission: 2026-04-29 13:41:41

Denial of Service 2

Time of First Successful Submission: 2026-04-29 13:48:19

Ethernet

Time of First Successful Submission: 2026-04-29 16:16:35

IP

Time of First Successful Submission: 2026-04-29 16:20:29

TCP

Time of First Successful Submission: 2026-04-29 16:34:29

TCP Handshake

Time of First Successful Submission: 2026-04-29 16:38:26

UDP

Time of First Successful Submission: 2026-04-30 16:43:27

UDP 2

Time of First Successful Submission: 2026-04-30 17:09:07

UDP Spoofing 1

Time of First Successful Submission: 2026-04-30 17:12:01

UDP Spoofing 2

Time of First Successful Submission: 2026-05-02 16:01:28

UDP Spoofing 3

Time of First Successful Submission: 2026-05-02 16:51:42

Start Here

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Using the Terminal

Time of First Successful Submission: 2026-04-11 22:25:26

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-11 22:13:27

Using the GUI Desktop

Time of First Successful Submission: 2026-04-11 22:23:13

Pasting into the Desktop

Time of First Successful Submission: 2026-04-11 22:30:05

Restarting Challenges

Time of First Successful Submission: 2026-04-11 22:44:45

Challenge Programs

Time of First Successful Submission: 2026-04-11 22:46:44

The Flag File

Time of First Successful Submission: 2026-04-11 22:56:11

Using Privileged Mode

Time of First Successful Submission: 2026-04-12 16:24:07

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-12 16:31:56

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-12 16:33:39

Computing 101

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Your First Register

Time of First Successful Submission: 2026-04-12 18:48:52

Your First Syscall

Time of First Successful Submission: 2026-04-12 18:56:09

Exit Codes

Time of First Successful Submission: 2026-04-12 19:08:20

Building Executables

Time of First Successful Submission: 2026-04-12 19:38:14

Moving Between Registers

Time of First Successful Submission: 2026-04-12 19:53:18

Loading From Memory

Time of First Successful Submission: 2026-04-13 13:39:19

More Loading Practice

Time of First Successful Submission: 2026-04-13 15:21:44

Dereferencing Pointers

Time of First Successful Submission: 2026-04-13 16:53:44

Dereferencing Yourself

Time of First Successful Submission: 2026-04-13 17:24:27

Dereferencing with Offsets

Time of First Successful Submission: 2026-04-13 17:40:29

Stored Addresses

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

Double Dereference

Time of First Successful Submission: 2026-04-13 19:36:30

The Stack

Time of First Successful Submission: 2026-04-14 15:50:35

Stack Offsets

Time of First Successful Submission: 2026-04-14 15:55:04

Program Arguments on the Stack

Time of First Successful Submission: 2026-04-14 16:18:50

Popping From the Stack

Time of First Successful Submission: 2026-04-14 16:38:48

Disassembling Programs

Time of First Successful Submission: 2026-04-14 19:11:36

Tracing Syscalls

Time of First Successful Submission: 2026-04-14 19:27:39

Starting GDB

Time of First Successful Submission: 2026-04-14 19:37:18

Quitting GDB

Time of First Successful Submission: 2026-04-14 19:39:48

Starting Programs in GDB

Time of First Successful Submission: 2026-04-14 19:47:36

Disassembling in GDB

Time of First Successful Submission: 2026-04-14 20:17:49

Stepping Through Instructions

Time of First Successful Submission: 2026-04-14 23:01:43

Reading Register Values

Time of First Successful Submission: 2026-04-14 23:15:22

Popping Stack Values

Time of First Successful Submission: 2026-04-15 00:11:01

Examining Memory

Time of First Successful Submission: 2026-04-15 00:22:21

Examining Stack Pointers

Time of First Successful Submission: 2026-04-15 00:29:53

Cooperative Debugging

Time of First Successful Submission: 2026-04-15 00:36:29

Writing Output

Time of First Successful Submission: 2026-04-15 18:25:31

Chaining Syscalls

Time of First Successful Submission: 2026-04-15 19:49:10

Writing Strings

Time of First Successful Submission: 2026-04-15 22:30:14

Reading Data

Time of First Successful Submission: 2026-04-15 22:45:44

Opening Files

Time of First Successful Submission: 2026-04-15 23:10:27

Hardcoding the Filename

Time of First Successful Submission: 2026-04-15 23:14:32

Comparing Values

Time of First Successful Submission: 2026-04-16 15:43:17

Comparing Characters

Time of First Successful Submission: 2026-04-16 15:56:57

Conditional Control Flow

Time of First Successful Submission: 2026-04-16 16:36:47

Comparing Strings

Time of First Successful Submission: 2026-04-16 17:01:58

Reverse the Password

Time of First Successful Submission: 2026-04-16 17:14:10

Conditionals Without Conditionals

Time of First Successful Submission: 2026-04-16 17:27:57

Looping

Time of First Successful Submission: 2026-04-16 17:42:54

Reverse the Calculation

Time of First Successful Submission: 2026-04-18 02:10:22

Reverse the Reverse

Time of First Successful Submission: 2026-04-18 02:27:23

Dealing with Bitwise Operations

Time of First Successful Submission: 2026-04-18 12:46:01

Loops on Data

Time of First Successful Submission: 2026-04-18 13:09:32

set-register

Time of First Successful Submission: 2026-04-19 02:50:23

set-multiple-registers

Time of First Successful Submission: 2026-04-19 14:07:51

add-to-register

Time of First Successful Submission: 2026-04-19 23:38:21

linear-equation-registers

Time of First Successful Submission: 2026-04-19 23:53:46

integer-division

Time of First Successful Submission: 2026-04-20 00:34:20

modulo-operation

Time of First Successful Submission: 2026-04-20 00:42:06

set-upper-byte

Time of First Successful Submission: 2026-04-20 00:46:17

efficient-modulo

Time of First Successful Submission: 2026-04-20 00:49:43

byte-extraction

Time of First Successful Submission: 2026-04-20 00:53:23

bitwise-and

Time of First Successful Submission: 2026-04-20 00:56:23

check-even

Time of First Successful Submission: 2026-04-20 01:00:15

memory-read

Time of First Successful Submission: 2026-04-20 01:03:15

memory-write

Time of First Successful Submission: 2026-04-20 01:06:08

memory-increment

Time of First Successful Submission: 2026-04-20 01:16:36

byte-access

Time of First Successful Submission: 2026-04-20 01:36:39

memory-size-access

Time of First Successful Submission: 2026-04-20 01:39:18

little-endian-write

Time of First Successful Submission: 2026-04-20 01:43:53

memory-sum

Time of First Successful Submission: 2026-04-20 01:46:22

stack-subtraction

Time of First Successful Submission: 2026-04-20 01:48:13

swap-stack-values

Time of First Successful Submission: 2026-04-20 01:50:21

average-stack-values

Time of First Successful Submission: 2026-04-20 01:52:32

absolute-jump

Time of First Successful Submission: 2026-04-20 01:56:41

relative-jump

Time of First Successful Submission: 2026-04-20 01:59:36

jump-trampoline

Time of First Successful Submission: 2026-04-20 02:01:49

conditional-jump

Time of First Successful Submission: 2026-04-20 02:06:24

indirect-jump

Time of First Successful Submission: 2026-04-20 02:08:53

average-loop

Time of First Successful Submission: 2026-04-20 02:10:59

count-non-zero

Time of First Successful Submission: 2026-04-20 02:13:21

string-lower

Time of First Successful Submission: 2026-04-20 02:19:00

most-common-byte

Time of First Successful Submission: 2026-04-20 02:24:51

GCA CTF

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Using the Terminal

Time of First Successful Submission: 2026-04-11 22:25:26

Using the VSCode Workspace

Time of First Successful Submission: 2026-04-11 22:13:27

Using the GUI Desktop

Time of First Successful Submission: 2026-04-11 22:23:13

Pasting into the Desktop

Time of First Successful Submission: 2026-04-11 22:30:05

Restarting Challenges

Time of First Successful Submission: 2026-04-11 22:44:45

Challenge Programs

Time of First Successful Submission: 2026-04-11 22:46:44

The Flag File

Time of First Successful Submission: 2026-04-11 22:56:11

Using Privileged Mode

Time of First Successful Submission: 2026-04-12 16:24:07

Persistent Home Directories - One

Time of First Successful Submission: 2026-04-12 16:31:56

Persistent Home Directories - Two

Time of First Successful Submission: 2026-04-12 16:33:39