aeondave/binwalk
offensive-tools/re/binwalk/SKILL.md
Analyze and extract firmware images, identifying embedded file systems, compressed archives, and executable code. Use when reversing IoT firmware, embedded devices, or binary blobs during hardware/firmware security assessments.
$ install --global
skillsauthnpx skillsauth add aeondave/malskill binwalkInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Mar 31, 2026, 9:21 PM67.3s1 file scanned
SKILL.md
- name:
- binwalk
- description:
- Analyze and extract firmware images, identifying embedded file systems, compressed archives, and executable code. Use when reversing IoT firmware, embedded devices, or binary blobs during hardware/firmware security assessments.
- license:
- MIT
- compatibility:
- Python 3; pip install binwalk or apt install binwalk; Linux/macOS
- author:
- AeonDave
- version:
- 1.0
Binwalk
Firmware analysis and extraction — identify and extract embedded files from binary blobs.
Quick Start
# Install
apt install binwalk
# Scan firmware for signatures
binwalk firmware.bin
# Extract all found content
binwalk -e firmware.bin
# Output in _firmware.bin.extracted/
# Recursive extraction
binwalk -eM firmware.bin
Core Flags
| Flag | Purpose |
|------|---------|
| -e | Extract found files |
| -M | Recursive extraction (matryoshka) |
| -B | Signature scan (default) |
| -E | Entropy analysis |
| -A | Disassemble CPU instructions |
| -C DIR | Output directory |
| -q | Quiet mode |
| --dd TYPE:OFFSET:SIZE | Manual extraction |
| -l N | Limit extraction size |
Common Workflows
Full firmware analysis:
binwalk -eM firmware.bin -C ./extracted/
ls ./extracted/
Find compressed/encrypted regions (entropy):
binwalk -E firmware.bin
# High entropy = encrypted/compressed, low = plaintext
Find hardcoded strings after extraction:
binwalk -eM firmware.bin
find ./_firmware.bin.extracted/ -type f | xargs strings | grep -i "password\|admin\|key"
Resources
| File | When to load |
|------|--------------|
| references/ | Filesystem types and QEMU emulation notes |
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