Tequila_Ninja

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Intro to Cybersecurity

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XOR

Time of First Successful Submission: 2026-04-08 06:18:01

XORing Hex

Time of First Successful Submission: 2026-04-08 06:28:24

XORing ASCII

Time of First Successful Submission: 2026-04-08 06:39:49

XORing ASCII Strings

Time of First Successful Submission: 2026-04-08 07:10:37

One-time Pad

Time of First Successful Submission: 2026-04-08 07:36:31

One-time Pad Tampering

Time of First Successful Submission: 2026-04-08 07:52:32

Many-time Pad

Time of First Successful Submission: 2026-04-08 08:01:07

AES

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

AES-ECB-CPA

Time of First Successful Submission: 2026-04-08 18:52:53

AES-ECB-CPA-HTTP

Time of First Successful Submission: 2026-04-08 19:12:21

AES-ECB-CPA-HTTP (base64)

Time of First Successful Submission: 2026-04-08 19:14:44

AES-ECB-CPA-Suffix

Time of First Successful Submission: 2026-04-08 20:11:33

AES-ECB-CPA-Prefix

Time of First Successful Submission: 2026-04-08 20:30:04

AES-ECB-CPA-Prefix-2

Time of First Successful Submission: 2026-04-08 20:40:37

Your First Overflow (easy)

Time of First Successful Submission: 2026-04-03 04:17:05

Your First Overflow (hard)

Time of First Successful Submission: 2026-04-03 04:19:38

Precision (easy)

Time of First Successful Submission: 2026-04-03 04:24:04

Precision (hard)

Time of First Successful Submission: 2026-04-03 04:53:15

Variable Control (easy)

Time of First Successful Submission: 2026-04-03 06:44:27

Variable Control (hard)

Time of First Successful Submission: 2026-04-03 07:09:00

Control Hijack (easy)

Time of First Successful Submission: 2026-04-03 07:17:47

Control Hijack (hard)

Time of First Successful Submission: 2026-04-03 19:38:53

Tricky Control Hijack (easy)

Time of First Successful Submission: 2026-04-04 05:49:08

Tricky Control Hijack (hard)

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

PIEs (easy)

Time of First Successful Submission: 2026-04-04 16:24:25

PIEs (hard)

Time of First Successful Submission: 2026-04-04 16:45:28

String Lengths (easy)

Time of First Successful Submission: 2026-04-04 17:26:53

String Lengths (hard)

Time of First Successful Submission: 2026-04-04 17:40:35

Basic Shellcode

Time of First Successful Submission: 2026-04-05 03:45:42

NOP Sleds

Time of First Successful Submission: 2026-04-05 04:00:18

NULL-Free Shellcode

Time of First Successful Submission: 2026-04-05 04:08:30

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-04-05 04:56:12

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-04-05 05:21:32

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-04-05 05:51:09

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-04-05 06:40:54

Program Security

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ello ackers!

Time of First Successful Submission: 2026-04-05 23:57:02

Syscall Smuggler

Time of First Successful Submission: 2026-04-06 03:15:26

Syscall Shenanigans

Time of First Successful Submission: 2026-04-06 03:48:55

Byte Budget

Time of First Successful Submission: 2026-04-06 04:10:49

ClobberCode

Time of First Successful Submission: 2026-04-06 04:32:17

Diverse Delivery

Time of First Successful Submission: 2026-04-06 04:45:39

Pocket Payload

Time of First Successful Submission: 2026-04-06 04:51:46

Micro Menace

Time of First Successful Submission: 2026-04-06 05:37:17

Login Leakage (Easy)

Time of First Successful Submission: 2026-04-07 15:41:58

Login Leakage (Hard)

Time of First Successful Submission: 2026-04-07 16:01:46

Bounds Breaker (Easy)

Time of First Successful Submission: 2026-04-07 16:11:07

Bounds Breaker (Hard)

Time of First Successful Submission: 2026-04-07 16:29:16

Freebie (Easy)

Time of First Successful Submission: 2026-04-15 20:28:21

Freebie (Hard)

Time of First Successful Submission: 2026-04-15 22:23:31

Freebin Feint (Easy)

Time of First Successful Submission: 2026-04-15 22:24:24

Freebin Feint (Hard)

Time of First Successful Submission: 2026-04-15 23:18:43

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-04-15 23:25:08

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-04-15 23:33:16

Fickle Free (Easy)

Time of First Successful Submission: 2026-04-16 07:39:49

Fickle Free (Hard)

Time of First Successful Submission: 2026-04-16 08:26:20

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-04-16 15:20:19

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-04-16 17:33:37

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-04-16 18:16:42

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-04-17 18:12:05

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-04-18 23:21:38

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-04-18 23:46:59

Hacker History

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External BBS (login)

Time of First Successful Submission: 2026-04-06 17:51:36

Internal BBS

Time of First Successful Submission: 2026-04-07 04:40:20

Join an IRC Server

Time of First Successful Submission: 2026-04-07 14:50:59

Join an IRC Server (with an IRC Client)

Time of First Successful Submission: 2026-04-07 14:53:28

Change your nickname

Time of First Successful Submission: 2026-04-07 15:10:02

Join a channel

Time of First Successful Submission: 2026-04-07 15:12:11

Message a channel

Time of First Successful Submission: 2026-04-07 15:14:18

Remove another user

Time of First Successful Submission: 2026-04-07 15:16:20

Kitten Playground

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Rijndael

Time of First Successful Submission: 2026-04-08 19:49:49