""ET WEB_CLIENT Tech Support Scam Landing 2020-08-19""

SID: 2030704

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2020_08_19, deployment Perimeter, signature_severity Minor, updated_at 2020_08_19

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "opener.location = gourl|3b|"

  • Value: "onbeforeunload=function()"

  • Value: "Press ESC, to close this page!"

  • Value: "Scanning... Folders"

  • Value: "Scanning... Documents"

  • Value: "Scanning... System Files"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source