""ET TROJAN Bolek HTTP Checkin""

SID: 2022889

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2016_06_10, updated_at 2016_06_10

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "GET"

  • Value: "User-Agent|3a 20|Client 1.2|0d 0a|"

Within:

PCRE: "/\?[a-f0-9]{32}$/Ui"

Special Options:

  • http_method

  • fast_pattern

  • http_header

source