Challenge list
CryptographyLevel 4★★★★☆Cryptanalysis - Recovering an LCG's Hidden Parameters
A service generated both session tokens and an encryption keystream from a linear congruential generator x_{k+1} =…
General SkillsLevel 4★★★★☆Vulnerability Scanning - Advanced Nmap NSE
The results of running `nmap -sV -sC --script vuln` against the internal subnet `10.66.13.0/24` are in…
General SkillsLevel 4★★★★☆Static Analysis - Code Vulnerability Scanning
The Python source of an internal notes app is in `/challenge/src/`. The nine lines flagged by an earlier…