1200KM / sigma-rule
Renamed Gpg.EXE Execution — Sigma Rule
Sigma rule ec0722a3-eb5c-4a56-8ab2-bf6f20708592. Renamed Gpg.EXE Execution — Sigma Rule. Detects the execution of a renamed "gpg.exe". Often used by ransomware and loaders to decrypt/encrypt data.
Rule metadata and linked tags
Author: Nasreddine Bencherchali (Nextron Systems), frack113. Source status: test; severity: high. Source dates: 2023-08-09 / not supplied.
{
"category": "process_creation",
"product": "windows"
}Pinned original Sigma rule · Detection Rule License 1.1
Source SHA-256: ff626c529eeefca72de679f1bb79a120593ccc60dfab59bfaa4771d344b949da
Detection logic
Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.
title: Renamed Gpg.EXE Execution
id: ec0722a3-eb5c-4a56-8ab2-bf6f20708592
status: test
description: Detects the execution of a renamed "gpg.exe". Often used by ransomware and loaders to decrypt/encrypt data.
references:
- https://securelist.com/locked-out/68960/
author: Nasreddine Bencherchali (Nextron Systems), frack113
date: 2023-08-09
tags:
- attack.impact
- attack.t1486
logsource:
category: process_creation
product: windows
detection:
selection:
OriginalFileName: 'gpg.exe'
filter_main_img:
Image|endswith:
- '\gpg.exe'
- '\gpg2.exe'
condition: selection and not 1 of filter_main_*
level: high
False positives
No reviewed association in this snapshot.
Source references
Connected ecosystem references
Exact source-tagged techniques
Telemetry review
Read the original logsource above, then inspect the linked detection workspaces for technique-level sensor context. No per-rule telemetry equivalence is inferred.
Pinned research references. No browser attack runner, live simulation result or validated detector is asserted. Source mappings and validation limits are preserved. ATT&CK / Atomic provenance · Detection provenance.