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Convert indexed Sigma rules into analyst-ready detections.
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Indexed Rules
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CLI Versions
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Newest: 2.0.2
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Active Rule
Potential Provlaunch.EXE Binary Proxy Execution Abuse
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential Provlaunch.EXE Binary Proxy Execution Abuse
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: Potential Provlaunch.EXE Binary Proxy Execution Abuse
id: 7f5d1c9a-3e83-48df-95a7-2b98aae6c13c
related:
- id: f9999590-1f94-4a34-a91e-951e47bedefd # CLI Abuse
type: similar
- id: 2a4b3e61-9d22-4e4a-b60f-6e8f0cde6f25 # CLI Registry
type: similar
- id: 7021255e-5db3-4946-a8b9-0ba7a4644a69 # Registry
type: similar
status: test
description: Detects child processes of "provlaunch.exe" which might indicate potential abuse to proxy execution.
references:
- https://lolbas-project.github.io/lolbas/Binaries/Provlaunch/
- https://twitter.com/0gtweet/status/1674399582162153472
author: Nasreddine Bencherchali (Nextron Systems), Swachchhanda Shrawan Poudel
date: 2023-08-08
tags:
- attack.defense-evasion
- attack.t1218
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith: '\provlaunch.exe'
filter_main_covered_children:
# Note: this filter is here to avoid duplicate alerting by f9999590-1f94-4a34-a91e-951e47bedefd
- Image|endswith:
- '\calc.exe'
- '\cmd.exe'
- '\cscript.exe'
- '\mshta.exe'
- '\notepad.exe'
- '\powershell.exe'
- '\pwsh.exe'
- '\regsvr32.exe'
- '\rundll32.exe'
- '\wscript.exe'
- Image|contains:
- ':\PerfLogs\'
- ':\Temp\'
- ':\Users\Public\'
- '\AppData\Temp\'
- '\Windows\System32\Tasks\'
- '\Windows\Tasks\'
- '\Windows\Temp\'
condition: 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_provlaunch_potential_abuse.yml