Archived Challenges - April 2021

Misc


Sanity Check Round 9 (15pts) - 01/04
ImaginaryBot v2 (75pts) - 08/04
Little (30pts) - 19/04
Just in Time 1 (125pts) - 26/04

Crypto


Rotations (30pts) - 02/04
Optimal RSA (75pts) - 10/04
Bland RSA (75pts) - 21/04

Reversing


Salty (70pts) - 03/04
lookup-rev (75pts) - 15/04
vnpack (75pts) - 20/04
When is it? (100pts) - 28/04

pwn


ret2win (75pts) - 04/04

Forensics


Camouflage (50pts) - 05/04
Overlooked (125pts) - 18/04

Web


sources-adventure-hardened (100pts) - 06/04
Look-For-It (30pts) - 12/04

rev


pyrev (50pts) - 07/04

Reversing/Misc


ReDOS (75pts) - 09/04

Misc/Pwn


Blind Shell (125pts) - 11/04

crypto/misc


Rotations of a different kind (75pts) - 13/04

Misc/Web


Spacebar Smasher (150pts) - 14/04

Pwn


The GOAT (150pts) - 16/04
canaries (150pts) - 24/04
Librarian (175pts) - 30/04

web


What's a database (125pts) - 17/04
Fake crypto (150pts) - 27/04
JSON, but not notation (175pts) - 29/04

PWN


Form a String (50pts) - 22/04

misc/pyjail


Minijail (125pts) - 23/04

programming


To be, or not to be (100pts) - 25/04

blockchain


Ropsten (90pts) - 30/04
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