""ET TROJAN Win32/ChromeBack Browser Hijacker (getAd)""

SID: 2036299

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_21, deployment Perimeter, signature_severity Major, updated_at 2022_04_21

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: "ad?ext=Properties" Depth: 17

  • Value: "&ver="

  • Value: "&dd="

  • Value: "User-Agent|3a 20|Wget" Depth: 16

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

source