Skill UI

This skill provides comprehensive detection rules for advanced defense evasion techniques used by adversaries, including log tampering (T1070), timestomping, process injection (T1055), and disabling security tools (T1562). It is ideal for threat hunting, building detection rules, and investigating stealthy attacker activity using Sysmon and SIEM data.

This comprehensive guide details the methodology for detecting Process Hollowing (MITRE T1055.012), a critical defense evasion technique used by fileless malware. It involves analyzing memory-mapped sections, correlating EDR telemetry (Sysmon, ETW), and identifying memory mismatches between the running process and its on-disk binary image. Use this skill when investigating sophisticated, in-memory threats that masquerade as legitimate system processes.

This guide details how to detect T1055 process injection techniques, including DLL injection, process hollowing, and remote thread creation. By analyzing specific Sysmon Event IDs (1, 7, 8, 10, 25) that track cross-process memory operations and handle access, security teams can proactively hunt for defense-evasion activities, investigate EDR alerts, or validate security monitoring coverage.

This skill detects sophisticated process injection techniques (MITRE T1055), including CreateRemoteThread and DLL injection. By analyzing Sysmon Event IDs 8 and 10 alongside EDR telemetry, it enables security analysts to hunt for in-memory code injection and defense evasion tactics used by adversaries on Windows endpoints. Essential for incident response and building detection coverage.