SigmaHQ/rules/windows/process_creation/win_susp_ps_downloadfile.yml
2020-06-16 14:46:08 -06:00

26 lines
766 B
YAML

title: PowerShell DownloadFile
id: 8f70ac5f-1f6f-4f8e-b454-db19561216c5
status: experimental
description: Detects the execution of powershell, a WebClient object creation and the invocation of DownloadFile in a single command line
references:
- https://www.fireeye.com/blog/threat-research/2020/03/apt41-initiates-global-intrusion-campaign-using-multiple-exploits.html
author: Florian Roth
date: 2020/03/25
tags:
- attack.execution
- attack.t1086
- attack.t1059.001
logsource:
category: process_creation
product: windows
detection:
selection:
CommandLine|contains|all:
- 'powershell'
- '.DownloadFile'
- 'System.Net.WebClient'
condition: selection
falsepositives:
- Unknown
level: high