Sigma rule: Gpscript Execution

Rule

Title

Gpscript Execution

Status

test

Level

medium

Author

frack113

Date

2022-05-16

Modified

2023-06-14

File

rules/windows/process_creation/proc_creation_win_lolbin_gpscript.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of the LOLBIN gpscript, which executes logon or startup scripts configured in Group Policy

Log source

product

windows

category

process_creation

Detection

selection_img:
    - Image|endswith: '\gpscript.exe'
    - OriginalFileName: 'GPSCRIPT.EXE'
selection_cli:
    CommandLine|contains:
        - ' /logon'
        - ' /startup'
filter_main_svchost:
    ParentCommandLine: 'C:\windows\system32\svchost.exe -k netsvcs -p -s gpsvc'
condition: all of selection_* and not 1 of filter_main_*

False positives (as the rule lists them)

• Legitimate uses of logon scripts distributed via group policy

Tags

• attack.stealth
• attack.t1218

MITRE ATT&CK ids this rule names

• T1218

References

• https://oddvar.moe/2018/04/27/gpscript-exe-another-lolbin-to-the-list/
• https://lolbas-project.github.io/lolbas/Binaries/Gpscript/

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_lolbin_gpscript.yml