Tag: cipher

Malware, Malware Analysis

Analyze multi-byte xor cipher

A tool to do some xor analysis guess the key length (based on count of equal chars) guess the key (base on knowledge of most frequent char) Download https://github.com/hellman/xortool git clone https://github.com/hellman/xortool.gitgit clone https://github.com/hellman/xortool.git Usage xortool [-h|–help] [OPTIONS] [filename] Options: -l,–key-length length of the key (integer) -c,–char most possible char (one char or hex code) …