""ET TROJAN BBSRAT GET request CnC""

SID: 2022310

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2015_12_24, updated_at 2015_12_24

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: "/bbs/" Depth: 5

  • Value: "/forum.php?sid="

  • Value: "User-Agent|3a 20|Mozilla/4.0 (compatible|3b 20|Windows NT 5.1)"

Within:

PCRE: "/^\/bbs\/(?P[a-f0-9]+)\/forum.php\?sid=(?P=counter)$/Ui"

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

source