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Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
3,707
Ready to search
Backends
17
Live from sigconverter.io
CLI Versions
10
Newest: 2.0.2
Translation Workspace
Shape the rule before it leaves Phoenix
Tune Translation
Active Rule
Network Connection Initiated By AddinUtil.EXE
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Network Connection Initiated By AddinUtil.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: Network Connection Initiated By AddinUtil.EXE
id: 5205613d-2a63-4412-a895-3a2458b587b3
status: test
description: |
Detects a network connection initiated by the Add-In deployment cache updating utility "AddInutil.exe".
This could indicate a potential command and control communication as this tool doesn't usually initiate network activity.
references:
- https://www.blue-prints.blog/content/blog/posts/lolbin/addinutil-lolbas.html
author: Michael McKinley (@McKinleyMike), Tony Latteri (@TheLatteri)
date: 2023-09-18
modified: 2024-07-16
tags:
- attack.defense-evasion
- attack.t1218
logsource:
category: network_connection
product: windows
detection:
selection:
Initiated: 'true'
Image|endswith: '\addinutil.exe'
condition: selection
falsepositives:
- Unknown
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules/windows/network_connection/net_connection_win_addinutil_initiated.yml