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Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
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CLI Versions
10
Newest: 2.0.2
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Active Rule
WebDav Client Execution Via Rundll32.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
WebDav Client Execution Via Rundll32.EXE
Using Splunk · Default · sigma-cli 2.0.2
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion2.0.2
title: WebDav Client Execution Via Rundll32.EXE
id: 2dbd9d3d-9e27-42a8-b8df-f13825c6c3d5
status: test
description: |
Detects "svchost.exe" spawning "rundll32.exe" with command arguments like "C:\windows\system32\davclnt.dll,DavSetCookie".
This could be an indicator of exfiltration or use of WebDav to launch code (hosted on a WebDav server).
references:
- https://github.com/OTRF/detection-hackathon-apt29/issues/17
- https://github.com/OTRF/ThreatHunter-Playbook/blob/2d4257f630f4c9770f78d0c1df059f891ffc3fec/docs/evals/apt29/detections/7.B.4_C10730EA-6345-4934-AA0F-B0EFCA0C4BA6.md
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
date: 2020-05-02
modified: 2023-09-18
tags:
- attack.exfiltration
- attack.t1048.003
logsource:
category: process_creation
product: windows
detection:
selection_parent:
ParentImage|endswith: '\svchost.exe'
selection_img:
- Image|endswith: '\rundll32.exe'
- OriginalFileName: 'RUNDLL32.EXE'
selection_cli:
CommandLine|contains: 'C:\windows\system32\davclnt.dll,DavSetCookie'
condition: all of selection_*
falsepositives:
- Unknown
level: medium
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/process_creation/proc_creation_win_rundll32_webdav_client_execution.yml