Detection rules › Sigma
Potential Credential Dumping Attempt Via PowerShell
Detects a PowerShell process requesting access to "lsass.exe", which can be indicative of potential credential dumping attempts
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Credential Access |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 10: ProcessAccess |
Rule body
title: Potential Credential Dumping Attempt Via PowerShell
id: 0f920ebe-7aea-4c54-b202-9aa0c609cfe5
related:
- id: 3f07b9d1-2082-4c56-9277-613a621983cc
type: obsolete
- id: fb656378-f909-47c1-8747-278bf09f4f4f
type: similar
status: test
description: Detects a PowerShell process requesting access to "lsass.exe", which can be indicative of potential credential dumping attempts
references:
- https://speakerdeck.com/heirhabarov/hunting-for-powershell-abuse
author: oscd.community, Natalia Shornikova
date: 2020-10-06
modified: 2023-11-28
tags:
- attack.credential-access
- attack.t1003.001
- detection.threat-hunting
logsource:
product: windows
category: process_access
detection:
selection:
SourceImage|endswith:
- '\powershell.exe'
- '\pwsh.exe'
TargetImage|endswith: '\lsass.exe'
condition: selection
falsepositives:
- Unknown
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
SourceImage|endswith:
- '\powershell.exe'
- '\pwsh.exe'
TargetImage|endswith: '\lsass.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
SourceImage | ends_with |
| field:"SourceImage" kind:ends_with |
TargetImage | ends_with |
| field:"TargetImage" kind:ends_with value:"\lsass.exe" |