32 lines
1.1 KiB
YAML
32 lines
1.1 KiB
YAML
title: Suspicious WebDav Client Execution
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author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
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date: 2020/05/02
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description: A General detection for svchost.exe spawning rundll32.exe with command
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arguments like C:\windows\system32\davclnt.dll,DavSetCookie. This could be an
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indicator of exfiltration or use of WebDav to launch code (hosted on WebDav Server).
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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Image: '*\rundll32.exe'
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SELECTION_3:
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CommandLine: '*C:\windows\system32\davclnt.dll,DavSetCookie*'
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condition: (SELECTION_1 and SELECTION_2 and SELECTION_3)
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falsepositives:
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- unknown
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id: 2dbd9d3d-9e27-42a8-b8df-f13825c6c3d5
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level: medium
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logsource:
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category: process_creation
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product: windows
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references:
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- https://github.com/OTRF/detection-hackathon-apt29/issues/17
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- https://threathunterplaybook.com/evals/apt29/detections/7.B.4_C10730EA-6345-4934-AA0F-B0EFCA0C4BA6.html
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status: experimental
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tags:
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- attack.exfiltration
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- attack.t1048.003
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yml_filename: sysmon_susp_webdav_client_execution.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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