Detection rules › Sigma
Potential QBot Activity
Detects potential QBot activity by looking for process executions used previously by QBot
Known false positives
- 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 QBot Activity
id: 4fcac6eb-0287-4090-8eea-2602e4c20040
status: stable
description: Detects potential QBot activity by looking for process executions used previously by QBot
references:
- https://twitter.com/killamjr/status/1179034907932315648
- https://app.any.run/tasks/2e0647b7-eb86-4f72-904b-d2d0ecac07d1/
author: Florian Roth (Nextron Systems)
date: 2019-10-01
modified: 2023-02-03
tags:
- attack.execution
- attack.t1059.005
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection1:
ParentImage|endswith: '\WinRAR.exe'
Image|endswith: '\wscript.exe'
selection2:
CommandLine|contains: ' /c ping.exe -n 6 127.0.0.1 & type '
selection3:
CommandLine|contains|all:
- 'regsvr32.exe'
- 'C:\ProgramData'
- '.tmp'
condition: 1 of selection*
falsepositives:
- Unlikely
level: critical
Stages and Predicates
Stage 0: condition
1 of selection*Stage 1: selection1
selection1:
ParentImage|endswith: '\WinRAR.exe'
Image|endswith: '\wscript.exe'
Stage 2: selection2
selection2:
CommandLine|contains: ' /c ping.exe -n 6 127.0.0.1 & type '
Stage 3: selection3
selection3:
CommandLine|contains|all:
- 'regsvr32.exe'
- 'C:\ProgramData'
- '.tmp'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match |
Image | ends_with |
| field:"Image" kind:ends_with value:"\wscript.exe" |
ParentImage | ends_with |
| field:"ParentImage" kind:ends_with value:"\WinRAR.exe" |