""ET TROJAN Possible Malicious PowerSploit PowerShell Script Observed over HTTP""

SID: 2023947

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_02_16, deployment Perimeter, signature_severity Major, updated_at 2017_02_16

Reference:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

• Value: "CmdletBinding()"

• Value: "$DoNotZeroMZ"

Within:

PCRE:

Special Options:

• file_data

• fast_pattern

source