""ET WEB_CLIENT Tech Support Phone Scam Landing M1 Oct 16 2016""

SID: 2024844

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2017_10_16, updated_at 2019_08_16

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: from_server,established

Contents:

  • Value: "401"

  • Value: "WWW-Authenticate|3a 20|Basic realm="

  • Value: "Error"

  • Value: "-"

Within:

PCRE: "/^WWW-Authenticate\x3a\x20Basic\x20realm=[\x22\x27][^\r\n]Error[^\r\n]-/Hmi"

Special Options:

  • http_stat_code

  • nocase

  • http_header

  • http_header

  • nocase

  • fast_pattern

  • http_header

source