colza

Intro to Programming Languages

3 / 234 29009 / 31955


Commands

Time of First Successful Submission: 2026-02-02 12:06:36

Command Arguments

Time of First Successful Submission: 2026-02-02 12:08:54

Command History

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


Intro to Cybersecurity

19 / 183 10840 / 20023


Your First Overflow (easy)

Time of First Successful Submission: 2026-01-13 04:14:45

Your First Overflow (hard)

Time of First Successful Submission: 2026-01-13 04:15:28

Precision (easy)

Time of First Successful Submission: 2026-01-13 04:18:28

Precision (hard)

Time of First Successful Submission: 2026-01-13 04:19:34

Variable Control (easy)

Time of First Successful Submission: 2026-01-13 04:28:32

Variable Control (hard)

Time of First Successful Submission: 2026-01-13 04:37:25

Control Hijack (easy)

Time of First Successful Submission: 2026-01-13 04:42:45

Control Hijack (hard)

Time of First Successful Submission: 2026-01-13 04:45:44

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-01-13 05:08:47

Tricky Control Hijack (hard)

Time of First Successful Submission: 2026-01-13 05:13:42

PIEs (easy)

Time of First Successful Submission: 2026-01-13 05:46:41

PIEs (hard)

Time of First Successful Submission: 2026-01-13 05:54:28

String Lengths (easy)

Time of First Successful Submission: 2026-01-13 06:14:52

String Lengths (hard)

Time of First Successful Submission: 2026-01-13 06:18:53

Basic Shellcode

Time of First Successful Submission: 2026-01-13 06:40:00

NOP Sleds

Time of First Successful Submission: 2026-01-13 06:52:07

NULL-Free Shellcode

Time of First Successful Submission: 2026-01-13 06:57:48

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-03-24 08:06:07

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-03-24 13:58:51


Program Security

46 / 162 1624 / 9565


Terrible Token (Easy)

Time of First Successful Submission: 2026-01-20 05:53:34

Terrible Token (Hard)

Time of First Successful Submission: 2026-01-20 06:10:32

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-01-20 06:15:35

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-01-20 06:16:43

Bit Bender

Time of First Successful Submission: 2026-02-13 00:35:27

Substitution Sorcery

Time of First Successful Submission: 2026-02-14 03:44:35

Freebie (Easy)

Time of First Successful Submission: 2026-01-06 03:55:59

Freebie (Hard)

Time of First Successful Submission: 2026-01-06 12:35:10

Freebin Feint (Easy)

Time of First Successful Submission: 2026-01-07 02:42:04

Freebin Feint (Hard)

Time of First Successful Submission: 2026-01-07 03:10:44

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-01-07 16:37:54

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-01-09 14:57:53

Fickle Free (Easy)

Time of First Successful Submission: 2026-01-10 10:19:43

Fickle Free (Hard)

Time of First Successful Submission: 2026-01-11 06:40:19

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-01-11 23:30:15

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-01-13 03:40:27

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-01-14 06:31:30

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-01-15 07:06:48

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-01-15 19:40:24

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-01-16 20:06:25

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-01-17 16:23:49

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-01-18 15:12:23

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-01-20 12:10:28

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-01-21 12:22:46

Sus Sequence (Easy)

Time of First Successful Submission: 2026-01-22 13:59:26

Sus Sequence (Hard)

Time of First Successful Submission: 2026-01-23 04:00:57

Echo Emanations (Easy)

Time of First Successful Submission: 2026-01-24 10:12:50

Echo Emanations (Hard)

Time of First Successful Submission: 2026-01-24 18:13:57

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-01-26 06:46:28

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-01-27 01:25:44

Stack Summoning (Easy)

Time of First Successful Submission: 2026-01-27 06:51:04

Stack Summoning (Hard)

Time of First Successful Submission: 2026-01-27 07:20:56

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-01-27 13:32:08

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-01-28 08:58:41

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-01-28 20:17:01

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-01-28 20:45:19

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-01-29 17:36:25

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-01-30 08:49:10

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-01-30 14:35:40

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-01-31 00:35:28

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-01-31 01:20:22

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-01-31 02:01:48

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-02-01 11:31:20

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-02-01 15:29:55

Tcache Terror (Easy)

Time of First Successful Submission: 2026-02-03 12:37:12

Tcache Terror (Hard)

Time of First Successful Submission: 2026-02-03 16:53:51


System Security

42 / 95 796 / 3325


chroot-escape-basic

Time of First Successful Submission: 2026-02-15 03:09:56

chroot-shellcode

Time of First Successful Submission: 2026-02-16 05:19:16

chroot-proper

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

seccomp-basic

Time of First Successful Submission: 2026-02-18 05:43:28

seccomp-linkat

Time of First Successful Submission: 2026-02-18 15:33:32

seccomp-fchdir

Time of First Successful Submission: 2026-02-20 01:59:57

seccomp-rechroot

Time of First Successful Submission: 2026-02-20 19:49:48

seccomp-only

Time of First Successful Submission: 2026-02-22 06:33:04

seccomp-arch32

Time of First Successful Submission: 2026-02-23 17:13:22

seccomp-minimal

Time of First Successful Submission: 2026-02-24 18:51:59

seccomp-timebased

Time of First Successful Submission: 2026-02-26 07:12:29

seccomp-readonly

Time of First Successful Submission: 2026-02-26 15:24:43

process-isolation

Time of First Successful Submission: 2026-02-27 16:33:01

mount-namespace

Time of First Successful Submission: 2026-02-28 15:06:00

mount-cleanup

Time of First Successful Submission: 2026-03-01 22:36:38

mount-readonly

Time of First Successful Submission: 2026-03-02 17:59:02

mount-shellcode

Time of First Successful Submission: 2026-03-03 15:57:33

mount-bindmount

Time of First Successful Submission: 2026-03-04 19:07:30

level1.0

Time of First Successful Submission: 2026-02-23 06:01:01

level1.0

Time of First Successful Submission: 2026-03-13 07:44:37

level1.1

Time of First Successful Submission: 2026-03-13 21:07:18

level2.0

Time of First Successful Submission: 2026-03-14 21:47:30

level2.1

Time of First Successful Submission: 2026-03-15 16:16:33

level3.0

Time of First Successful Submission: 2026-03-17 00:27:59

level3.1

Time of First Successful Submission: 2026-03-18 01:31:53

level4.0

Time of First Successful Submission: 2026-03-18 19:45:16

level4.1

Time of First Successful Submission: 2026-03-18 20:02:53

level5.0

Time of First Successful Submission: 2026-03-19 15:13:50

level5.1

Time of First Successful Submission: 2026-03-21 09:43:35

level6.0

Time of First Successful Submission: 2026-03-22 07:15:25

level6.1

Time of First Successful Submission: 2026-03-22 23:07:27

level7.0

Time of First Successful Submission: 2026-03-24 07:20:46

level7.1

Time of First Successful Submission: 2026-03-24 15:19:01

level8.0

Time of First Successful Submission: 2026-03-25 15:32:03

level8.1

Time of First Successful Submission: 2026-03-26 15:07:26

level9.0

Time of First Successful Submission: 2026-03-27 15:25:30

level9.1

Time of First Successful Submission: 2026-03-29 00:56:53

level10.0

Time of First Successful Submission: 2026-03-29 20:49:04

level10.1

Time of First Successful Submission: 2026-03-30 15:27:52

level11.0

Time of First Successful Submission: 2026-03-31 15:40:47

level11.1

Time of First Successful Submission: 2026-04-01 15:35:47

level12.0

Time of First Successful Submission: 2026-04-03 10:21:02


Software Exploitation

17 / 90 644 / 2131


level1.0

Time of First Successful Submission: 2026-02-05 12:15:40

level1.1

Time of First Successful Submission: 2026-02-05 16:45:59

level2.0

Time of First Successful Submission: 2026-02-06 17:40:21

level2.1

Time of First Successful Submission: 2026-02-07 18:50:10

level3.0

Time of First Successful Submission: 2026-02-09 03:56:42

level3.1

Time of First Successful Submission: 2026-02-09 19:45:59

level4.0

Time of First Successful Submission: 2026-02-10 23:06:25

level4.1

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

level5.0

Time of First Successful Submission: 2026-02-19 09:11:15

level5.1

Time of First Successful Submission: 2026-02-19 16:45:45

level6.0

Time of First Successful Submission: 2026-03-06 12:21:02

level6.1

Time of First Successful Submission: 2026-03-06 15:05:47

level7.0

Time of First Successful Submission: 2026-03-07 15:05:25

level7.1

Time of First Successful Submission: 2026-03-08 19:14:16

level8.0

Time of First Successful Submission: 2026-03-10 07:23:30

level8.1

Time of First Successful Submission: 2026-03-10 17:00:15

level9

Time of First Successful Submission: 2026-03-11 20:59:42


Start Here

10 / 12 19021 / 43301


Using the Terminal

Time of First Successful Submission: 2026-01-06 03:17:56

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-06 03:21:27

Using the GUI Desktop

Time of First Successful Submission: 2026-01-06 03:25:00

Pasting into the Desktop

Time of First Successful Submission: 2026-01-06 03:26:52

Restarting Challenges

Time of First Successful Submission: 2026-01-06 03:30:13

Challenge Programs

Time of First Successful Submission: 2026-01-06 03:32:26

The Flag File

Time of First Successful Submission: 2026-01-06 03:33:27

Using Privileged Mode

Time of First Successful Submission: 2026-01-06 03:37:40

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-06 03:43:31

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-06 03:44:18


Linux Luminarium

3 / 128 29526 / 32363


Intro to Commands

Time of First Successful Submission: 2026-02-02 12:06:36

Intro to Arguments

Time of First Successful Submission: 2026-02-02 12:08:54

Command History

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


GCA CTF

10 / 104 19149 / 43578


Using the Terminal

Time of First Successful Submission: 2026-01-06 03:17:56

Using the VSCode Workspace

Time of First Successful Submission: 2026-01-06 03:21:27

Using the GUI Desktop

Time of First Successful Submission: 2026-01-06 03:25:00

Pasting into the Desktop

Time of First Successful Submission: 2026-01-06 03:26:52

Restarting Challenges

Time of First Successful Submission: 2026-01-06 03:30:13

Challenge Programs

Time of First Successful Submission: 2026-01-06 03:32:26

The Flag File

Time of First Successful Submission: 2026-01-06 03:33:27

Using Privileged Mode

Time of First Successful Submission: 2026-01-06 03:37:40

Persistent Home Directories - One

Time of First Successful Submission: 2026-01-06 03:43:31

Persistent Home Directories - Two

Time of First Successful Submission: 2026-01-06 03:44:18