""ET WEB_CLIENT Tech Support Scam Landing M1 2019-04-15""

SID: 2027197

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2019_04_15, tag Tech_Support_Scam, tag Malvertising, updated_at 2019_08_16

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: "alert|28 22|Windows|20|Firewall|20|has|20|detected|20|that|20|your|20|Windows"

  • Value: "system|20|files|20|are|20|automatically|20|deleted"

  • Value: "Please|20|follow|20|the|20|instructions"

Within: 200

PCRE:

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

source