Detection rules › Sigma
HackTool - SysmonEOP Execution
Detects the execution of the PoC that can be used to exploit Sysmon CVE-2022-41120
Known false positives
- Unlikely
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Privilege Escalation |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
Rule body
title: HackTool - SysmonEOP Execution
id: 8a7e90c5-fe6e-45dc-889e-057fe4378bd9
status: test
description: Detects the execution of the PoC that can be used to exploit Sysmon CVE-2022-41120
references:
- https://github.com/Wh04m1001/SysmonEoP
author: Florian Roth (Nextron Systems)
date: 2022-12-04
modified: 2024-11-23
tags:
- cve.2022-41120
- attack.t1068
- attack.privilege-escalation
logsource:
category: process_creation
product: windows
detection:
selection_img:
Image|endswith: '\SysmonEOP.exe'
selection_hash:
Hashes|contains:
- 'IMPHASH=22F4089EB8ABA31E1BB162C6D9BF72E5'
- 'IMPHASH=5123FA4C4384D431CD0D893EEB49BBEC'
condition: 1 of selection_*
falsepositives:
- Unlikely
level: critical
Stages and Predicates
Stage 0: condition
1 of selection_*Stage 1: selection_img
selection_img:
Image|endswith: '\SysmonEOP.exe'
Stage 2: selection_hash
selection_hash:
Hashes|contains:
- 'IMPHASH=22F4089EB8ABA31E1BB162C6D9BF72E5'
- 'IMPHASH=5123FA4C4384D431CD0D893EEB49BBEC'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Hashes | match |
| field:"Hashes" kind:match |
Image | ends_with |
| field:"Image" kind:ends_with value:"\SysmonEOP.exe" |