Rotce

Intro to Cybersecurity

45 / 183 7077 / 20023

XOR

Time of First Successful Submission: 2026-02-25 18:48:37

XORing Hex

Time of First Successful Submission: 2026-02-25 19:11:54

XORing ASCII

Time of First Successful Submission: 2026-02-25 19:26:10

XORing ASCII Strings

Time of First Successful Submission: 2026-02-28 08:29:09

One-time Pad

Time of First Successful Submission: 2026-02-28 08:36:44

One-time Pad Tampering

Time of First Successful Submission: 2026-02-28 08:46:36

Many-time Pad

Time of First Successful Submission: 2026-02-28 08:51:40

AES

Time of First Successful Submission: 2026-02-28 08:57:47

AES-ECB-CPA

Time of First Successful Submission: 2026-02-28 10:10:22

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-02-28 10:22:39

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-02-28 10:49:17

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-02-28 11:14:55

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-02-28 14:40:00

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-02-28 15:55:08

AES-ECB-CPA-Prefix-Miniboss

Time of First Successful Submission: 2026-02-28 16:17:14

AES-ECB-CPA-Prefix-Boss

Time of First Successful Submission: 2026-02-28 16:41:43

AES-CBC

Time of First Successful Submission: 2026-02-28 17:04:42

AES-CBC Tampering

Time of First Successful Submission: 2026-02-28 17:35:20

AES-CBC Resizing

Time of First Successful Submission: 2026-02-28 17:44:47

File Formats: Magic Numbers (Python)

Time of First Successful Submission: 2025-12-30 19:01:53

File Formats: Magic Numbers (C)

Time of First Successful Submission: 2025-12-30 19:15:40

Your First Overflow (easy)

Time of First Successful Submission: 2025-12-28 11:45:27

Your First Overflow (hard)

Time of First Successful Submission: 2025-12-28 12:38:03

Precision (easy)

Time of First Successful Submission: 2025-12-28 13:49:46

Precision (hard)

Time of First Successful Submission: 2025-12-28 14:13:49

Variable Control (easy)

Time of First Successful Submission: 2025-12-28 16:27:01

Variable Control (hard)

Time of First Successful Submission: 2025-12-28 16:42:14

Control Hijack (easy)

Time of First Successful Submission: 2025-12-28 17:03:23

Control Hijack (hard)

Time of First Successful Submission: 2025-12-28 17:42:14

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-12-28 17:56:08

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-12-28 18:10:18

PIEs (easy)

Time of First Successful Submission: 2025-12-28 19:21:12

PIEs (hard)

Time of First Successful Submission: 2025-12-28 19:32:43

String Lengths (easy)

Time of First Successful Submission: 2025-12-28 20:07:44

String Lengths (hard)

Time of First Successful Submission: 2025-12-28 20:26:56

Basic Shellcode

Time of First Successful Submission: 2025-12-29 16:08:09

NOP Sleds

Time of First Successful Submission: 2025-12-29 16:47:22

NULL-Free Shellcode

Time of First Successful Submission: 2025-12-29 16:48:44

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2025-12-29 18:07:33

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2025-12-29 18:22:12

Hijack to Shellcode (easy)

Time of First Successful Submission: 2025-12-29 18:48:15

ECB-to-Win (easy)

Time of First Successful Submission: 2026-03-02 08:17:45

ECB-to-Win (hard)

Time of First Successful Submission: 2026-03-02 17:04:02

ECB-to-Shellcode (easy)

Time of First Successful Submission: 2026-03-02 17:42:57

ECB-to-Shellcode (hard)

Time of First Successful Submission: 2026-03-02 17:45:48

Program Security

107 / 162 623 / 9565

Login Leakage (Easy)

Time of First Successful Submission: 2026-01-01 12:27:19

Login Leakage (Hard)

Time of First Successful Submission: 2026-01-01 12:44:37

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-01-01 13:31:17

Casting Catastrophe (Hard)

Time of First Successful Submission: 2026-01-01 14:22:44

Pointer Problems (Hard)

Time of First Successful Submission: 2026-01-01 19:24:32

Terrible Token (Easy)

Time of First Successful Submission: 2026-01-10 13:33:44

Terrible Token (Hard)

Time of First Successful Submission: 2026-01-26 11:27:55

Tangled Ticket (Easy)

Time of First Successful Submission: 2026-01-10 13:37:29

Tangled Ticket (Hard)

Time of First Successful Submission: 2026-01-26 11:31:54

Bit Bender

Time of First Successful Submission: 2026-01-10 15:45:27

Substitution Sorcery

Time of First Successful Submission: 2026-01-10 16:07:15

Meager Mangler (Easy)

Time of First Successful Submission: 2026-01-26 11:44:12

Meager Mangler (Hard)

Time of First Successful Submission: 2026-01-10 16:51:26

Monstrous Mangler (Easy)

Time of First Successful Submission: 2026-03-07 21:30:24

Monstrous Mangler (Hard)

Time of First Successful Submission: 2026-01-10 17:27:46

Patched Up (Easy)

Time of First Successful Submission: 2026-01-10 20:48:12

Patched Up (Hard)

Time of First Successful Submission: 2026-03-08 08:51:29

Puzzle Patch (Easy)

Time of First Successful Submission: 2026-03-08 08:54:48

Puzzle Patch (Hard)

Time of First Successful Submission: 2026-01-10 22:03:09

Patch Perfect (Easy)

Time of First Successful Submission: 2026-03-08 08:57:15

Patch Perfect (Hard)

Time of First Successful Submission: 2026-01-11 09:45:01

Trust the Yancode (Easy)

Time of First Successful Submission: 2026-01-11 14:14:38

Trust the Yancode (Hard)

Time of First Successful Submission: 2026-03-08 09:35:46

Know the Yancode (Easy)

Time of First Successful Submission: 2026-03-08 13:38:29

Know the Yancode (Hard)

Time of First Successful Submission: 2026-03-08 13:41:38

Master the Yancode (Easy)

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

Master the Yancode (Hard)

Time of First Successful Submission: 2026-03-08 14:05:21

Transcend the Yancode (Easy)

Time of First Successful Submission: 2026-03-08 14:22:24

Transcend the Yancode (Hard)

Time of First Successful Submission: 2026-03-08 14:27:46

The Yanalyzer (Easy)

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

The Yanalyzer (Hard)

Time of First Successful Submission: 2026-03-08 17:32:58

The Yangler (Easy)

Time of First Successful Submission: 2026-03-08 19:04:12

The Yangler (Hard)

Time of First Successful Submission: 2026-03-08 19:46:52

Yancraft (Easy)

Time of First Successful Submission: 2026-03-08 20:04:13

Yancraft (Hard)

Time of First Successful Submission: 2026-03-08 20:51:27

Yansanity (Easy)

Time of First Successful Submission: 2026-03-08 21:44:29

Yansanity (Hard)

Time of First Successful Submission: 2026-03-09 09:35:55

Loose Link (Easy)

Time of First Successful Submission: 2026-01-02 17:42:00

Loose Link (Hard)

Time of First Successful Submission: 2026-01-02 17:44:27

Call Chain (Easy)

Time of First Successful Submission: 2026-01-02 17:52:05

Call Chain (Hard)

Time of First Successful Submission: 2026-01-02 18:16:57

Chain of Command (Easy)

Time of First Successful Submission: 2026-01-02 19:19:47

Chain of Command (Hard)

Time of First Successful Submission: 2026-01-02 19:34:47

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-01-04 21:51:35

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-01-18 19:12:21

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-01-04 22:28:54

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-01-18 20:59:55

Indirect Invocation (Easy)

Time of First Successful Submission: 2026-01-05 16:34:53

Indirect Invocation (Hard)

Time of First Successful Submission: 2026-01-18 21:58:08

Leaky Libc (Easy)

Time of First Successful Submission: 2026-01-19 10:40:11

Leaky Libc (Hard)

Time of First Successful Submission: 2026-01-19 10:45:31

Putsception (Easy)

Time of First Successful Submission: 2026-01-05 17:22:09

Putsception (Hard)

Time of First Successful Submission: 2026-01-19 10:59:22

Pivotal Prelude (Easy)

Time of First Successful Submission: 2026-01-19 12:07:14

Pivotal Prelude (Hard)

Time of First Successful Submission: 2026-01-19 12:13:19

Pivotal Pointer (Easy)

Time of First Successful Submission: 2026-01-05 20:34:10

Pivotal Pointer (Hard)

Time of First Successful Submission: 2026-01-19 13:27:17

Pivotal Payload (Easy)

Time of First Successful Submission: 2026-01-05 21:44:11

Pivotal Payload (Hard)

Time of First Successful Submission: 2026-01-19 13:47:38

Pivotal Pursuit (Easy)

Time of First Successful Submission: 2026-01-19 19:25:33

Pivotal Pursuit (Hard)

Time of First Successful Submission: 2026-01-19 21:24:23

Guarded Gadgets (Easy)

Time of First Successful Submission: 2026-03-06 15:34:39

Guarded Gadgets (Hard)

Time of First Successful Submission: 2026-03-06 15:59:52

ROP Roulette (Easy)

Time of First Successful Submission: 2026-03-06 20:27:21

ROP Roulette (Hard)

Time of First Successful Submission: 2026-03-06 21:48:18

Libc Lottery (Easy)

Time of First Successful Submission: 2026-03-07 17:40:30

Libc Lottery (Hard)

Time of First Successful Submission: 2026-03-07 17:36:24

Freebie (Easy)

Time of First Successful Submission: 2026-01-06 12:46:31

Freebie (Hard)

Time of First Successful Submission: 2026-01-06 12:59:21

Freebin Feint (Easy)

Time of First Successful Submission: 2026-01-06 13:11:14

Freebin Feint (Hard)

Time of First Successful Submission: 2026-01-21 09:59:58

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-01-06 13:22:31

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-01-21 10:07:45

Fickle Free (Easy)

Time of First Successful Submission: 2026-01-07 19:01:38

Fickle Free (Hard)

Time of First Successful Submission: 2026-01-21 10:13:38

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-01-07 19:30:01

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-01-21 10:38:32

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-01-07 20:55:55

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-01-21 14:50:48

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-01-07 21:56:16

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-01-21 15:10:17

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-01-08 09:09:15

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-01-21 15:45:16

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-01-08 09:37:09

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-01-21 15:53:42

Sus Sequence (Easy)

Time of First Successful Submission: 2026-01-08 12:26:47

Sus Sequence (Hard)

Time of First Successful Submission: 2026-01-21 18:00:24

Echo Emanations (Easy)

Time of First Successful Submission: 2026-01-21 19:08:57

Echo Emanations (Hard)

Time of First Successful Submission: 2026-01-21 19:35:49

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-01-22 13:13:34

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-01-22 13:26:31

Stack Summoning (Easy)

Time of First Successful Submission: 2026-01-22 14:52:53

Stack Summoning (Hard)

Time of First Successful Submission: 2026-01-22 15:40:22

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-01-22 17:49:32

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-01-22 17:52:02

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-01-22 18:54:34

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-01-22 18:56:16

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-01-23 07:47:18

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-01-23 08:14:12

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-01-23 10:01:00

Sus Sequence Safety (Hard)

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

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-01-23 10:01:48

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-01-23 10:02:12

Overlapping Odyssey (Easy)

Time of First Successful Submission: 2026-01-23 21:24:37

Overlapping Odyssey (Hard)

Time of First Successful Submission: 2026-01-23 21:25:49

Containment Composition (Easy)

Time of First Successful Submission: 2026-01-24 16:19:43

Containment Composition (Hard)

Time of First Successful Submission: 2026-01-24 17:13:29

System Security

41 / 95 811 / 3325

chroot-escape-basic

Time of First Successful Submission: 2026-03-09 09:58:02

chroot-shellcode

Time of First Successful Submission: 2026-03-09 10:35:33

chroot-proper

Time of First Successful Submission: 2026-03-09 10:49:37

seccomp-basic

Time of First Successful Submission: 2026-03-09 11:59:16

seccomp-linkat

Time of First Successful Submission: 2026-03-09 12:08:41

seccomp-fchdir

Time of First Successful Submission: 2026-03-09 12:14:43

seccomp-rechroot

Time of First Successful Submission: 2026-03-09 12:21:22

seccomp-only

Time of First Successful Submission: 2026-03-09 15:24:43

seccomp-arch32

Time of First Successful Submission: 2026-03-09 12:38:35

seccomp-minimal

Time of First Successful Submission: 2026-03-09 12:44:35

seccomp-timebased

Time of First Successful Submission: 2026-03-09 13:02:40

seccomp-readonly

Time of First Successful Submission: 2026-03-09 14:55:22

process-isolation

Time of First Successful Submission: 2026-03-09 15:13:25

level1.0

Time of First Successful Submission: 2026-03-10 16:10:55

level1.1

Time of First Successful Submission: 2026-03-10 16:17:54

level2.0

Time of First Successful Submission: 2026-03-10 16:27:21

level2.1

Time of First Successful Submission: 2026-03-10 16:37:52

level3.0

Time of First Successful Submission: 2026-03-10 17:29:35

level3.1

Time of First Successful Submission: 2026-03-10 17:35:54

level4.1

Time of First Successful Submission: 2026-03-13 09:11:46

level5.0

Time of First Successful Submission: 2026-03-13 09:38:02

level6.0

Time of First Successful Submission: 2026-03-13 10:51:40

level7.0

Time of First Successful Submission: 2026-03-13 11:02:38

level8.0

Time of First Successful Submission: 2026-03-13 11:21:58

level9.0

Time of First Successful Submission: 2026-03-13 11:43:10

level10.0

Time of First Successful Submission: 2026-03-13 13:12:49

level11.0

Time of First Successful Submission: 2026-03-13 13:25:15

level1.0

Time of First Successful Submission: 2026-01-09 22:38:31

level1.1

Time of First Successful Submission: 2026-03-13 20:51:04

level2.0

Time of First Successful Submission: 2026-03-14 08:18:54

level2.1

Time of First Successful Submission: 2026-03-14 08:31:15

level3.0

Time of First Successful Submission: 2026-03-14 09:30:09

level3.1

Time of First Successful Submission: 2026-03-14 09:32:48

level4.0

Time of First Successful Submission: 2026-03-14 09:52:12

level5.0

Time of First Successful Submission: 2026-03-14 17:54:56

level6.0

Time of First Successful Submission: 2026-03-14 18:25:47

level7.0

Time of First Successful Submission: 2026-03-14 20:37:04

level8.0

Time of First Successful Submission: 2026-03-15 09:58:50

level9.0

Time of First Successful Submission: 2026-03-15 16:04:39

level10.0

Time of First Successful Submission: 2026-03-15 20:50:44

level11.0

Time of First Successful Submission: 2026-03-16 10:17:26

Software Exploitation

9 / 90 922 / 2131

Level1.0

Time of First Successful Submission: 2026-01-12 19:29:24

Level2.0

Time of First Successful Submission: 2026-01-12 19:54:28

Level3.0

Time of First Successful Submission: 2026-01-13 16:45:19

Level4.0

Time of First Successful Submission: 2026-01-13 17:04:55

Level5.0

Time of First Successful Submission: 2026-01-13 19:49:56

Level6.0

Time of First Successful Submission: 2026-01-13 20:56:51

Level7.0

Time of First Successful Submission: 2026-01-14 14:54:49

Level8.0

Time of First Successful Submission: 2026-01-14 17:39:46

Level9.0

Time of First Successful Submission: 2026-01-14 21:29:28