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Indexed Rules
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17
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CLI Versions
10
Newest: 2.0.2
Translation Workspace
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Active Rule
Suspicious GUP Usage
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Suspicious GUP Usage
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: Suspicious GUP Usage
id: 0a4f6091-223b-41f6-8743-f322ec84930b
status: test
description: Detects execution of the Notepad++ updater in a suspicious directory, which is often used in DLL side-loading attacks
references:
- https://www.fireeye.com/blog/threat-research/2018/09/apt10-targeting-japanese-corporations-using-updated-ttps.html
author: Florian Roth (Nextron Systems)
date: 2019-02-06
modified: 2022-08-13
tags:
- attack.privilege-escalation
- attack.persistence
- attack.defense-evasion
- attack.t1574.001
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\GUP.exe'
filter_programfiles:
Image|endswith:
- '\Program Files\Notepad++\updater\GUP.exe'
- '\Program Files (x86)\Notepad++\updater\GUP.exe'
filter_user:
Image|contains: '\Users\'
Image|endswith:
- '\AppData\Local\Notepad++\updater\GUP.exe'
- '\AppData\Roaming\Notepad++\updater\GUP.exe'
condition: selection and not 1 of filter_*
falsepositives:
- Execution of tools named GUP.exe and located in folders different than Notepad++\updater
level: high
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_gup_suspicious_execution.yml