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medium advisory

Pass the Hash Lateral Movement Detection

This detection identifies Pass the Hash (PtH) activity via Windows Security Event Logs by monitoring for specific logon types and processes associated with NTLM authentication.

Triage facts

Revision 1
Evidence
Unknown
Severity
Medium
Sources
4 public sources
Freshness
Revision 1Nov 11, 07:32 UTC
Detection
1 rule
Source quality
A2Roughly even chance

Pass the Hash is an attack technique used to move laterally inside a network. The successful use of PtH for lateral movement between workstations triggers Windows Security Event ID 4624.

Detection Logic

The detection monitors for Event ID 4624 with specific logon types and processes.

  • Logons where LogonType is 3, LogonProcessName is 'NtLmSsp', and KeyLength is 0 (excluding 'ANONYMOUS LOGON').
  • Logons where LogonType is 9 and LogonProcessName is 'seclogo'.

Detection coverage 1

Detect Pass the Hash Activity via Logon Events

medium

Detects the attack technique pass the hash which is used to move laterally inside the network.

sigma tactics: lateral-movement techniques: T1550.002 sources: windows, security

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