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Newest: 1.3.3
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Active Rule
Uncommon AddinUtil.EXE CommandLine Execution
Target Profile
Splunk
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Format Mode
Default
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Conversion Output
Uncommon AddinUtil.EXE CommandLine Execution
Using Splunk · Default · pySigma 1.3.3
Translation controls
Adjust the rule on the left, then regenerate when you want a fresh backend-native query.
BackendSplunkFormatDefaultVersion1.3.3
title: Uncommon AddinUtil.EXE CommandLine Execution
id: 4f2cd9b6-4a17-440f-bb2a-687abb65993a
status: test
description: |
Detects execution of the Add-In deployment cache updating utility (AddInutil.exe) with uncommon Addinroot or Pipelineroot paths. An adversary may execute AddinUtil.exe with uncommon Addinroot/Pipelineroot paths that point to the adversaries Addins.Store payload.
references:
- https://www.blue-prints.blog/content/blog/posts/lolbin/addinutil-lolbas.html
author: Michael McKinley (@McKinleyMike), Tony Latteri (@TheLatteri)
date: 2023-09-18
tags:
- attack.defense-evasion
- attack.t1218
logsource:
category: process_creation
product: windows
detection:
selection_img:
- Image|endswith: '\addinutil.exe'
- OriginalFileName: 'AddInUtil.exe'
selection_cli:
CommandLine|contains:
- '-AddInRoot:'
- '-PipelineRoot:'
filter_main_addinroot:
CommandLine|contains:
- '-AddInRoot:"C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA'
- '-AddInRoot:C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA'
- '-PipelineRoot:"C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA'
- '-PipelineRoot:C:\Program Files (x86)\Common Files\Microsoft Shared\VSTA'
condition: all of selection_* and not 1 of filter_main_*
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_addinutil_uncommon_cmdline.yml