Reverse Engineering

Trying to make sense of Rev-olutionary Nonsensical

Challenge	Event	Tags	Difficulty
Remote C4	APU iCTF 2023	Rivest Cipher 4 (RC4), Middle-Square Method	★★☆☆☆
Grape	ABOH 2023	Wine, Code Checksum	★☆☆☆☆
MetalPipe	ABOH 2023	Race Condition	★★☆☆☆
Vacine	SiberSiaga 2023 (Finals)	Manual Unpacking, Process Injection	★★☆☆☆
Malbot	SiberSiaga 2023 (Finals)	Telegram-as-a-C2	★☆☆☆☆
Packed	SiberSiaga 2023 (Finals)	Manual Unpacking, Module Breakpoints	★★★☆☆
Obstacles	SiberSiaga 2023 (Finals)	Anti-Debugging, Binary Patching	★☆☆☆☆
Maze	ACS 2023 (Qualifiers)	Binary Patching, GDB Scripting	★★☆☆☆
rustarm	ACS 2023 (Qualifiers)	Rust, XOR	★★☆☆☆
expr	ACS 2023 (Qualifiers)	Angr, Multi-threaded	★★★☆☆
babyrev	ACS 2023 (Finals)	Angr, Symbolic Memory, Library Calls	★★☆☆☆
Licrackense Pt I	ACS 2023 (Finals)	z3, Angr	★★☆☆☆
Defeat the boss!	Wargames.MY 2023	Game Hacking	★☆☆☆☆
World 3	Wargames.MY 2024	Game Hacking	★☆☆☆☆
EndlessCycle	HTB Cyber Apocalypse 2025	Self-decrypting Shellcode	★★☆☆☆