Detection rules › Sigma
Massive services termination burst
Detects scenarios where an attacker attempts to stop 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 termination burst
description: Detects scenarios where an attacker attempts to stop multiples services on a host. Attacker may target services related to databases, security products or backups (Veeam, Symantec, Acronis ...).
references:
- https://www.microsoft.com/security/blog/2020/03/05/human-operated-ransomware-attacks-a-preventable-disaster/
- https://fourcore.io/blogs/ryuk-ransomware-simulation-mitre-ttp
- https://thedfirreport.com/2021/12/13/diavol-ransomware/
- https://www.sentinelone.com/labs/black-basta-ransomware-attacks-deploy-custom-edr-evasion-tools-tied-to-fin7-threat-actor/
- https://www.trendmicro.com/en_us/research/22/h/ransomware-actor-abuses-genshin-impact-anti-cheat-driver-to-kill-antivirus.html
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: # net stop <service> | sc stop <service>
selection_net_stop:
NewProcessName|endswith:
- '\net1.exe'
- '\net.exe'
CommandLine|contains|all:
- net
- stop
selection_sc_stop:
NewProcessName|endswith: '\sc.exe'
CommandLine|contains|all:
- sc
- stop
condition: selection_net_stop or selection_sc_stop | count(EventRecordID) by Computer > 2
timeframe: 1m
falsepositives:
- Administrator debugging
level: high
Stages and Predicates
Stage 0: condition
selection_net_stop or selection_sc_stop | count(EventRecordID) by Computer > 2Stage 1: selection_net_stop
selection_net_stop:
NewProcessName|endswith:
- '\net1.exe'
- '\net.exe'
CommandLine|contains|all:
- net
- stop
Stage 2: selection_sc_stop
selection_sc_stop:
NewProcessName|endswith: '\sc.exe'
CommandLine|contains|all:
- sc
- stop
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 |
|