Sigma rule: Possible Privilege Escalation via Weak Service Permissions

Rule

Title

Possible Privilege Escalation via Weak Service Permissions

Status

test

Level

high

Author

Teymur Kheirkhabarov

Date

2019-10-26

Modified

2024-12-01

File

rules/windows/process_creation/proc_creation_win_sc_change_sevice_image_path_by_non_admin.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detection of sc.exe utility spawning by user with Medium integrity level to change service ImagePath or FailureCommand

Log source

product

windows

category

process_creation

Detection

scbynonadmin:
    Image|endswith: '\sc.exe'
    IntegrityLevel:
        - 'Medium'
        - 'S-1-16-8192'
selection_binpath:
    CommandLine|contains|all:
        - 'config'
        - 'binPath'
selection_failure:
    CommandLine|contains|all:
        - 'failure'
        - 'command'
condition: scbynonadmin and 1 of selection_*

False positives (as the rule lists them)

• Unknown

Tags

• attack.persistence
• attack.privilege-escalation
• attack.execution
• attack.stealth
• attack.t1574.011

MITRE ATT&CK ids this rule names

• T1574.011

References

• https://speakerdeck.com/heirhabarov/hunting-for-privilege-escalation-in-windows-environment
• https://pentestlab.blog/2017/03/30/weak-service-permissions/

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_sc_change_sevice_image_path_by_non_admin.yml