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Reverse-Engineering

Hard

Task 7 - Finale

Oct 14, 2025
android zip-slip path-traversal dex dynamic-class-loading exploit-development reverse-engineering

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

Challenge

The adversary downloaded a custom Android app to …

Hard

Task 5 - Going on the Offensive

Sep 29, 2025
cryptanalysis aes ecb meet-in-the-middle reverse-engineering key-derivation openssl

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

Challenge

The file appears to be obfuscated… The …

Medium

Task 4 - Unpacking Insight

Sep 28, 2025
malware-analysis reverse-engineering anti-debug rc4 ghidra ida gdb packing

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

Challenge

Back at NSA, you are provided with a copy of the …

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 …

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