""ET INFO Inveigh Proxy Powershell Script Retrieval (Inbound)""

SID: 2038707

Revision: 1

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2022_09_01, deployment Perimeter, signature_severity Informational, updated_at 2022_09_01

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "function Invoke-Inveigh"

  • Value: ".PARAMETER Challenge"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source