Phoenix Studio
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
Translation Workspace
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Active Rule
Potential CVE-2023-36874 Exploitation - Fake Wermgr Execution
Target Profile
Splunk
Splunk SPL & tstats data model queries
Format Mode
Default
Plain SPL queries
Conversion Output
Potential CVE-2023-36874 Exploitation - Fake Wermgr Execution
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 CVE-2023-36874 Exploitation - Fake Wermgr Execution
id: 50dbc08b-60ce-40f1-a6b6-346497e34c88
status: test
description: Detects the execution of a renamed "cmd", "powershell" or "powershell_ise" binary. Attackers were seen using these binaries in a renamed form as "wermgr.exe" in exploitation of CVE-2023-36874
references:
- https://github.com/Wh04m1001/CVE-2023-36874
- https://www.crowdstrike.com/blog/falcon-complete-zero-day-exploit-cve-2023-36874/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-08-23
tags:
- attack.execution
- cve.2023-36874
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection:
OriginalFileName:
- 'Cmd.Exe'
- 'powershell_ise.EXE'
- 'powershell.exe'
Image|endswith: '\wermgr.exe'
condition: selection
falsepositives:
- Unlikely
level: high
CLI command
Copy the exact command to reproduce this translation locally.
sigma convert --without-pipeline -t splunk -f default rules-emerging-threats/2023/Exploits/CVE-2023-36874/proc_creation_win_exploit_cve_2023_36874_fake_wermgr.yml