Individual skill
performing-plc-firmware-security-analysis
This skill covers analyzing Programmable Logic Controller (PLC) firmware for security vulnerabilities including hardcoded credentials, insecure update mechanisms, backdoor functions, memory corruption flaws, and undocumented debug interfaces. It addresses firmware extraction from common PLC platforms (Siemens S7, Allen-Bradley, Schneider Modicon), static analysis of firmware images, dynamic analysis in emulated environments, and comparison against known-good baselines to detect tampering.
skills/performing-plc-firmware-security-analysis/SKILL.md
Source commit 54a798831d2266a3ca61ce68a7acb80b81160d57
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- Last checked
- Nov 9, 2026
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- Repository last updated
- Aug 31, 2026
- License
- Apache-2.0
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- ai-agents Repository topic
- claude-code Repository topic
- cybersecurity Repository topic
- incident-response Repository topic
- mitre-attack Repository topic
- penetration-testing Repository topic
- red-team Repository topic
- security Repository topic
- cloud-security Repository topic
- malware-analysis Repository topic
- ot-security Declared skill tag
- ics Declared skill tag
- scada Declared skill tag
- industrial-control Declared skill tag
- iec62443 Declared skill tag
- firmware-analysis Declared skill tag
- plc-security Declared skill tag
- security Derived category
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LICENSEasset · 11,255 bytesSKILL.mdcore · 19,566 bytesSKILL.mdcore · 19,566 bytesSKILL.mdcore · 19,566 bytesSKILL.mdcore · 19,566 bytesSKILL.mdcore · 19,566 bytesSKILL.mdcore · 19,566 bytesSKILL.mdcore · 19,566 bytesSKILL.mdcore · 19,566 bytesSKILL.mdcore · 19,566 bytesreferences/api-reference.mddoc · 1,760 bytesscripts/agent.pyruns · 7,482 bytes
Read excerpt
# Performing PLC Firmware Security Analysis
## When to Use
- When assessing PLC security as part of an IEC 62443 component security evaluation (IEC 62443-4-2)
- When validating firmware integrity after a suspected compromise or supply chain attack
- When evaluating the security of a new PLC platform before deployment in critical infrastructure
- When performing vulnerability research on industrial control system devices in an authorized lab
- When responding to an incident where PLC logic or firmware tampering is suspected
**Do not use** on live production PLCs without explicit authorization and safety controls in place. Firmware extraction and analysis should be performed on lab devices or offline backups. Never upload PLC firmware to public analysis services. See performing-ics-penetration-testing for authorized live testing procedures.
## Prerequisites
