seikaikyo/detecting-credential-dumping-techniques
external/anthropic-cybersecurity-skills/skills/detecting-credential-dumping-techniques/SKILL.md
Detect LSASS credential dumping, SAM database extraction, and NTDS.dit theft (e.g. via Mimikatz) using Sysmon Event ID 10 process-access logging, Windows Security logs, and SIEM correlation rules. Use when hunting for credential-theft activity on Windows/Active Directory hosts or triaging EDR alerts on LSASS access.
$ install --global
skillsauthnpx skillsauth add seikaikyo/dash-skills detecting-credential-dumping-techniquesInstall 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: Aug 6, 2026, 3:02 AM193.3s4 files scanned
SKILL.md
- name:
- Brute Force: Password Cracking
- description:
- Detect LSASS credential dumping, SAM database extraction, and NTDS.dit theft (e.g. via Mimikatz) using Sysmon Event ID 10 process-access logging, Windows Security logs, and SIEM correlation rules. Use when hunting for credential-theft activity on Windows/Active Directory hosts or triaging EDR alerts on LSASS access.
- domain:
- cybersecurity
- subdomain:
- threat-detection
- version:
- 1.1
- author:
- mahipal
- license:
- Apache-2.0
- - id:
- T1110.002
- tactic:
- initial-access
- source:
- attack
Detecting Credential Dumping Techniques
Overview
Credential dumping (MITRE ATT&CK T1003) is a post-exploitation technique where adversaries extract authentication credentials from OS memory, registry hives, or domain controller databases. This skill covers detection of LSASS memory access via Sysmon Event ID 10 (ProcessAccess), SAM registry hive export via reg.exe, NTDS.dit extraction via ntdsutil/vssadmin, and comsvcs.dll MiniDump abuse. Detection rules analyze GrantedAccess bitmasks, suspicious calling processes, and known tool signatures.
When to Use
- When investigating security incidents that require detecting credential dumping techniques
- When building detection rules or threat hunting queries for this domain
- When SOC analysts need structured procedures for this analysis type
- When validating security monitoring coverage for related attack techniques
Prerequisites
- Sysmon v14+ deployed with ProcessAccess logging (Event ID 10) for lsass.exe
- Windows Security audit policy enabling process creation (Event ID 4688) with command line logging
- Splunk or Elastic SIEM ingesting Sysmon and Windows Security logs
- Python 3.8+ for log analysis
Steps
- Configure Sysmon to log ProcessAccess events targeting lsass.exe
- Forward Sysmon Event ID 10 and Windows Event ID 4688 to SIEM
- Create detection rules for known GrantedAccess patterns (0x1010, 0x1FFFFF)
- Detect comsvcs.dll MiniDump and procdump.exe targeting LSASS PID
- Alert on reg.exe SAM/SECURITY/SYSTEM hive export commands
- Detect ntdsutil/vssadmin shadow copy creation for NTDS.dit theft
- Correlate detections with user/host context for risk scoring
Expected Output
JSON report containing detected credential dumping indicators with technique classification, severity ratings, process details, MITRE ATT&CK mapping, and Splunk/Elastic detection queries.
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