Detection rules › Sigma
Massive services deletion burst
Detects scenarios where an attacker attempts to delete multiples services on a host. Attacker may target services related to databases, security products or backups (Veeam, Symantec, Acronis ...).
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Impact | T1489 Service Stop |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
| Security-Auditing | Event ID 4688 | A new process has been created. |
Rule body yaml
title: Massive services deletion burst
description: Detects scenarios where an attacker attempts to delete multiples services on a host. Attacker may target services related to databases, security products or backups (Veeam, Symantec, Acronis ...).
references:
- https://unit42.paloaltonetworks.com/mallox-ransomware/
tags:
- attack.impact
- attack.t1489 # Service Stop
- attack.defense_evasion
- attack.1562.001 # Impair Defenses: Disable or Modify Tools
author: mdecrevoisier
status: experimental
logsource:
product: windows
category: process_creation
detection:
selection:
NewProcessName|endswith: '\sc.exe'
CommandLine|contains: delete
condition: selection | count(EventRecordID) by Computer > 2
timeframe: 1m
falsepositives:
- Product uninstallation
level: high
Stages and Predicates
Stage 0: condition
selection | count(EventRecordID) by Computer > 2Stage 1: selection
selection:
NewProcessName|endswith: '\sc.exe'
CommandLine|contains: delete
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
CommandLine | match |
|
NewProcessName | ends_with |
|