Detection rules › Sigma
Potential Snatch Ransomware Activity
Detects specific process characteristics of Snatch ransomware word document droppers
Known false positives
- Scripts that shutdown the system immediately and reboot them in safe mode are unlikely
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
title: Potential Snatch Ransomware Activity
id: 5325945e-f1f0-406e-97b8-65104d393fff
status: stable
description: Detects specific process characteristics of Snatch ransomware word document droppers
references:
- https://news.sophos.com/en-us/2019/12/09/snatch-ransomware-reboots-pcs-into-safe-mode-to-bypass-protection/
author: Florian Roth (Nextron Systems)
date: 2020-08-26
modified: 2025-10-19
tags:
- attack.execution
- attack.t1204
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection:
- CommandLine|re: 'shutdown\s+/r /f /t 00' # Shutdown in safe mode immediately
- CommandLine|re: 'net\s+stop SuperBackupMan'
condition: selection
falsepositives:
- Scripts that shutdown the system immediately and reboot them in safe mode are unlikely
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
- CommandLine|re: 'shutdown\s+/r /f /t 00'
- CommandLine|re: 'net\s+stop SuperBackupMan'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | regex_match |
| field:"CommandLine" kind:regex_match |