Detection rules › Sigma
Audit policy enumerated
Detects scenarios where an attacker attempts enumerate the audit policy in place.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Discovery | T1082 System Information Discovery |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
| Security-Auditing | Event ID 4688 | A new process has been created. |
Rule body yaml
title: Audit policy enumerated
description: Detects scenarios where an attacker attempts enumerate the audit policy in place.
references:
- https://github.com/mdecrevoisier/EVTX-to-MITRE-Attack/tree/master/TA0005-Defense%20Evasion/T1070.xxx-Audit%20policy%20disabled
- https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/auditpol-get
tags:
- attack.discovery
- attack.t1082 # System Information Discovery
author: mdecrevoisier
status: experimental
logsource:
product: windows
category: process_creation
detection:
selection:
NewProcessName|endswith: '\auditpol.exe'
CommandLine|contains: # full command "Auditpol.exe /get /category:* " OR "Auditpol /backup /file:C:\Audit.ini"
- get
- backup
condition: selection
falsepositives:
- Administrator debugging audit policy
- Vulnerability scanners (compiance module)
- Directory monitor
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
NewProcessName|endswith: '\auditpol.exe'
CommandLine|contains:
- get
- backup
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
CommandLine | match |
|
NewProcessName | ends_with |
|