Sigma rule: HackTool - SysmonEOP Execution

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-8060d4397983, updated 2024-11-23T00:00:00.000Z.

Rule

Title
HackTool - SysmonEOP Execution
Status
test
Level
critical
Author
Florian Roth (Nextron Systems)
Date
2022-12-04
Modified
2024-11-23
File
rules/windows/process_creation/proc_creation_win_hktl_sysmoneop.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of the PoC that can be used to exploit Sysmon CVE-2022-41120

Log source

product
windows
category
process_creation

Detection

selection_img:
    Image|endswith: '\SysmonEOP.exe'
selection_hash:
    Hashes|contains:
        - 'IMPHASH=22F4089EB8ABA31E1BB162C6D9BF72E5'
        - 'IMPHASH=5123FA4C4384D431CD0D893EEB49BBEC'
condition: 1 of selection_*

False positives (as the rule lists them)

  • Unlikely

Tags

  • cve.2022-41120
  • attack.t1068
  • attack.privilege-escalation

CVEs this rule names

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_hktl_sysmoneop.yml

Sources and licences

  • SigmaHQ

    "HackTool - SysmonEOP Execution" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_hktl_sysmoneop.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: HackTool - SysmonEOP Execution",
entity page, dataset version ref-8060d4397983, updated 2024-11-23T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/8a7e90c5-fe6e-45dc-889e-057fe4378bd9 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 8a7e90c5-fe6e-45dc-889e-057fe4378bd9, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.