BIOC Medium

Virtual Directory configuration access via PowerShell

PowerShell was used to dump Exchange Web Service (EWS) Virtual Directories, which may indicate malicious behavior, for example, SolarStorm campaign.

Module:
Platform Analytics
Agent event type:
Process execution
Category:
Discovery
Status:
Enabled
ATT&CK tactics: Discovery (TA0007)
ATT&CK techniques: System Service Discovery (T1007)
Indicator:

Process action type = execution AND target process cmd =~ .*PSConsoleFile.*Get-WebServicesVirtualDirectory.* AND target process name = powershell.exe Host host os = windows

Preventable: yes