Individual skill
detecting-dll-sideloading-attacks
Detect DLL side-loading and search-order hijacking (MITRE T1574) where adversaries plant malicious DLLs for legitimate signed applications to load, by analyzing Sysmon Event ID 7 DLL-load events, checking signatures/hashes against known-good versions, and flagging path anomalies with EDR tools like CrowdStrike, MDE, or SentinelOne. Use when investigating EDR alerts on unsigned DLLs, hunting for APT persistence via trojanized applications, or triaging incidents involving DLL hijacking.
skills/detecting-dll-sideloading-attacks/SKILL.md
Source commit 54a798831d2266a3ca61ce68a7acb80b81160d57
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- Observed behavior
- Local scripts
- Last checked
- Nov 9, 2026
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- Repository stars (not skill ratings)
- 35,908
- 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
- threat-hunting Declared skill tag
- mitre-attack Declared skill tag
- dll-sideloading Declared skill tag
- defense-evasion Declared skill tag
- t1574 Declared skill tag
- edr Declared skill tag
- proactive-detection Declared skill tag
- security Derived category
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LICENSEasset · 11,255 bytesSKILL.mdcore · 4,524 bytesassets/template.mddoc · 695 bytesreferences/api-reference.mddoc · 1,527 bytesreferences/standards.mddoc · 1,895 bytesreferences/workflows.mddoc · 2,264 bytesscripts/agent.pyruns · 5,887 bytesscripts/process.pyruns · 6,131 bytes
Read excerpt
# Detecting DLL Sideloading Attacks
## When to Use
- When investigating potential DLL hijacking in enterprise environments
- After EDR alerts on unsigned DLLs loaded by signed applications
- When hunting for APT persistence using legitimate application wrappers
- During incident response to identify trojanized applications
- When threat intel indicates DLL sideloading campaigns targeting specific software
## Prerequisites
- EDR with DLL load monitoring (CrowdStrike, MDE, SentinelOne)
- Sysmon Event ID 7 (Image Loaded) with hash verification