david-syk
30 lines
1.2 KiB
YAML
30 lines
1.2 KiB
YAML
title: DNS Query Request By QuickAssist.EXE
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id: 882e858a-3233-4ba8-855e-2f3d3575803d
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status: experimental
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description: |
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Detects DNS queries initiated by "QuickAssist.exe" to Microsoft Quick Assist primary endpoint that is used to establish a session.
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references:
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- https://www.microsoft.com/en-us/security/blog/2024/05/15/threat-actors-misusing-quick-assist-in-social-engineering-attacks-leading-to-ransomware/
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- https://www.linkedin.com/posts/kevin-beaumont-security_ive-been-assisting-a-few-orgs-hit-with-successful-activity-7268055739116445701-xxjZ/
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- https://x.com/cyb3rops/status/1862406110365245506
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- https://learn.microsoft.com/en-us/windows/client-management/client-tools/quick-assist
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author: Muhammad Faisal (@faisalusuf)
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date: 2024-12-19
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tags:
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- attack.command-and-control
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- attack.initial-access
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- attack.lateral-movement
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- attack.t1071.001
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- attack.t1210
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logsource:
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category: dns_query
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product: windows
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detection:
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selection:
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Image|endswith: '\QuickAssist.exe'
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QueryName|endswith: 'remoteassistance.support.services.microsoft.com'
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condition: selection
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falsepositives:
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- Legitimate use of Quick Assist in the environment.
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level: low
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