""ET WEB_CLIENT Tech Support Phone Scam Landing (warning.mp3) Jan 24 2017""

SID: 2024365

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2017_06_08, deployment Perimeter, former_category WEB_CLIENT, malware_family Tech_Support_Scam, performance_impact Moderate, signature_severity Minor, updated_at 2020_09_01

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "200"

  • Value: "Content-Type|3a 20|text/html"

  • Value: "<audio autoplay="

  • Value: "<source src="

  • Value: "warning.mp3|22|"

  • Value: "audio/mpeg"

Within:

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • file_data

  • fast_pattern

source