""ET CURRENT_EVENTS Likely Malicious Windows SCT Download MSXMLHTTP M1""

SID: 2024550

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_08_15, deployment Perimeter, malware_family PowerShell, performance_impact Low, signature_severity Major, tag PowerShell_Downloader, updated_at 2017_08_15

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: ".sct"

Within:

PCRE: "/.sct$/Ui"

Special Options:

• http_uri

• nocase

source