""ET CURRENT_EVENTS Fake Chrome Update Landing Page Redirect to Payload (2023-10-26)""

SID: 2048570

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2023_10_16, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, updated_at 2023_10_16, reviewed_at 2023_10_16

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/get.html"

  • Value: "chromium"

  • Value: "Referer|3a 20|"

Within:

PCRE: "/Host\x3a\x20[^\r\n]+chromium/Hmi"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

source