""ET WEB_CLIENT HTA File Download Flowbit Set""

SID: 2024195

Revision: 1

Class Type: not-suspicious

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_04_10, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2017_04_10

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "Content-Type|3A| application/hta"

Within:

PCRE:

Special Options:

  • http_header

source