title: Onyx Sleet APT File Creation Indicators
id: 2fef4fd9-7206-40d1-b4f5-ad6441d0cd9b
status: test
description: Detects file creation activity that is related to Onyx Sleet APT activity
references:
- https://www.microsoft.com/en-us/security/blog/2023/10/18/multiple-north-korean-threat-actors-exploiting-the-teamcity-cve-2023-42793-vulnerability/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2023-10-24
tags:
- attack.execution
- detection.emerging-threats
logsource:
category: file_event
product: windows
detection:
selection:
TargetFilename|endswith: ':\Windows\ADFS\bg\inetmgr.exe'
condition: selection
falsepositives:
- Unlikely
level: high