Sigma rule: Suspicious Service Binary Directory

Rule

Title

Suspicious Service Binary Directory

Status

test

Level

high

Author

Florian Roth (Nextron Systems)

Date

2021-03-09

Modified

2022-10-09

File

rules/windows/process_creation/proc_creation_win_susp_service_dir.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects a service binary running in a suspicious directory

Log source

product

windows

category

process_creation

Detection

selection:
    Image|contains:
        - '\Users\Public\'
        - '\$Recycle.bin'
        - '\Users\All Users\'
        - '\Users\Default\'
        - '\Users\Contacts\'
        - '\Users\Searches\'
        - 'C:\Perflogs\'
        - '\config\systemprofile\'
        - '\Windows\Fonts\'
        - '\Windows\IME\'
        - '\Windows\addins\'
    ParentImage|endswith:
        - '\services.exe'
        - '\svchost.exe'
condition: selection

False positives (as the rule lists them)

• Unknown

Tags

• attack.stealth
• attack.t1202

MITRE ATT&CK ids this rule names

• T1202

References

• https://blog.truesec.com/2021/03/07/exchange-zero-day-proxylogon-and-hafnium/

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_susp_service_dir.yml