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Xor

Medium

Task 3 - Digging Deeper

Sep 26, 2025
memory-forensics volatility reverse-engineering ghidra fileless-malware dns base64 xor

This is part of a series on the 2025 NSA Codebreaker Challenge. Start from the beginning.

Challenge

We’ve provided you with a recent memory …

Easy

CryptPad

Feb 14, 2025
reversing crypto rc4 xor windows

Challenge Description

We found this on an old machine. Can you decrypt it?

Files provided:

  • cryptpad.exe - Windows PE32 executable (encryption tool) …

Easy

FLRSCRNSVR.SCR

Feb 14, 2025
reversing windows xor substitution-cipher

Overview

Field Value
Category Easy
Points 846 …

Easy

RecordPlayer

Feb 14, 2025
reversing windows audio xor

Overview

Field Value
Category Easy
Author …

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