Detection rules › Sigma
QuickAssist Execution
Detects the execution of Microsoft Quick Assist tool "QuickAssist.exe". This utility can be used by attackers to gain remote access.
Known false positives
- Legitimate use of Quick Assist in the environment.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Command & Control |
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: QuickAssist Execution
id: e20b5b14-ce93-4230-88af-981983ef6e74
status: experimental
description: |
Detects the execution of Microsoft Quick Assist tool "QuickAssist.exe". This utility can be used by attackers to gain remote access.
references:
- https://www.microsoft.com/en-us/security/blog/2024/05/15/threat-actors-misusing-quick-assist-in-social-engineering-attacks-leading-to-ransomware/
- https://www.linkedin.com/posts/kevin-beaumont-security_ive-been-assisting-a-few-orgs-hit-with-successful-activity-7268055739116445701-xxjZ/
- https://x.com/cyb3rops/status/1862406110365245506
- https://learn.microsoft.com/en-us/windows/client-management/client-tools/quick-assist
author: Muhammad Faisal (@faisalusuf)
date: 2024-12-19
tags:
- attack.command-and-control
- attack.t1219.002
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\QuickAssist.exe'
condition: selection
falsepositives:
- Legitimate use of Quick Assist in the environment.
level: low
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith: '\QuickAssist.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with value:"\QuickAssist.exe" |