Detection rules › Sigma
Audit CVE Event
Detects events generated by user-mode applications when they call the CveEventWrite API when a known vulnerability is trying to be exploited. MS started using this log in Jan. 2020 with CVE-2020-0601 (a Windows CryptoAPI vulnerability. Unfortunately, that is about the only instance of CVEs being written to this log.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | T1203 Exploitation for Client Execution |
| Privilege Escalation | T1068 Exploitation for Privilege Escalation |
| Stealth | T1211 Exploitation for Stealth |
| Credential Access | T1212 Exploitation for Credential Access |
| Lateral Movement | T1210 Exploitation of Remote Services |
| Impact | T1499.004 Endpoint Denial of Service: Application or System Exploitation |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Audit-CVE | Event ID 1 | Possible detection of CVE: PossibleDetectionOfCVE. |
Rule body yaml
title: Audit CVE Event
id: 48d91a3a-2363-43ba-a456-ca71ac3da5c2
status: test
description: |
Detects events generated by user-mode applications when they call the CveEventWrite API when a known vulnerability is trying to be exploited.
MS started using this log in Jan. 2020 with CVE-2020-0601 (a Windows CryptoAPI vulnerability.
Unfortunately, that is about the only instance of CVEs being written to this log.
references:
- https://twitter.com/VM_vivisector/status/1217190929330655232
- https://twitter.com/DidierStevens/status/1217533958096924676
- https://twitter.com/FlemmingRiis/status/1217147415482060800
- https://www.youtube.com/watch?v=ebmW42YYveI # "CVEs in Windows Event Logs? What You Need to Know" by 13Cubed.
- https://nullsec.us/windows-event-log-audit-cve/
author: Florian Roth (Nextron Systems), Zach Mathis
date: 2020-01-15
modified: 2022-10-22
tags:
- attack.execution
- attack.stealth
- attack.t1203
- attack.privilege-escalation
- attack.t1068
- attack.t1211
- attack.credential-access
- attack.t1212
- attack.lateral-movement
- attack.t1210
- attack.impact
- attack.t1499.004
logsource:
product: windows
service: application
detection:
selection:
Provider_Name:
- 'Microsoft-Windows-Audit-CVE'
- 'Audit-CVE'
EventID: 1
condition: selection
falsepositives:
- Unknown
level: critical
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Provider_Name:
- 'Microsoft-Windows-Audit-CVE'
- 'Audit-CVE'
EventID: 1
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 |
|---|---|---|
Provider_Name | eq |
|