Individual skill
analyzing-binaries
Reverse engineer compiled binaries, firmware, and mobile app packages using triage, static disassembly, decompilation, and dynamic instrumentation. Use when analyzing an executable, ELF/PE/Mach-O file, firmware image, or stripped binary, recovering an algorithm or protocol, or working a CTF reversing challenge.
secskills-core/skills/analyzing-binaries/SKILL.md
Source commit ca53957bcd8e3b83b5d4d190bb3ad008a4f15c84
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- Last checked
- Nov 6, 2026
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- 188
- Repository last updated
- Sep 4, 2026
- License
- MIT
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- security Repository topic
- skills Repository topic
- engineering Derived category
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# Analyzing Binaries
Reverse engineering is hypothesis testing against a program you cannot read.
The cost of the job is dominated by how much code you look at, so the whole
discipline is about narrowing: triage first, find the interesting few percent,
then read that carefully.
## When to Use
- Understanding what an unknown or undocumented executable does
- Recovering an algorithm, file format, or wire protocol from a binary
- Locating a vulnerability in a closed-source target
- Firmware analysis for embedded and IoT devices
- Reversing challenges in CTFs