title: Base64 MZ Header In CommandLine
id: 22e58743-4ac8-4a9f-bf19-00a0428d8c5f
status: test
description: Detects encoded base64 MZ header in the commandline
references:
- https://thedfirreport.com/2022/07/11/select-xmrig-from-sqlserver/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-07-12
tags:
- attack.execution
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains:
- 'TVqQAAMAAAAEAAAA' # MZ..........
- 'TVpQAAIAAAAEAA8A'
- 'TVqAAAEAAAAEABAA'
- 'TVoAAAAAAAAAAAAA'
- 'TVpTAQEAAAAEAAAA'
condition: selection
falsepositives:
- Unlikely
level: high