Suspicious Pass the Hash Behavior 2 (via security)

This rule detects the attack method pass the hash which is leveraged to move laterally inside the network

SigmamediumWindowsv1
sigma
title: Suspicious Pass the Hash Behavior 2 (via security)
id: 5d65ad5f-f461-5c3e-938f-dc02a32b40a0
status: stable
description: This rule detects the attack method pass the hash which is leveraged to move laterally inside the network
references:
    - https://attack.mitre.org/techniques/T1550/002/
    - https://github.com/iadgov/Event-Forwarding-Guidance/tree/master/Events
    - https://web.archive.org/web/20170909091934/https://blog.binarydefense.com/reliably-detecting-pass-the-hash-through-event-log-analysis
    - https://blog.stealthbits.com/how-to-detect-pass-the-hash-attacks/
author: Huntrule Team
date: 2026-04-08
tags:
    - attack.lateral-movement
    - attack.t1550.002
logsource:
    product: windows
    service: security
    definition: The successful use of PtH for lateral movement between workstations would trigger event ID 4624
detection:
    selection_logon3:
        EventID: 4624
        SubjectUserSid: 'S-1-0-0'
        LogonType: 3
        LogonProcessName: 'NtLmSsp'
        KeyLength: 0
    selection_logon9:
        EventID: 4624
        LogonType: 9
        LogonProcessName: 'seclogo'
    filter:
        TargetUserName: 'ANONYMOUS LOGON'
    condition: 1 of selection_* and not filter
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.