""ET TROJAN Corebot Checkin""

SID: 2021739

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2015_08_31, updated_at 2015_08_31

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: "User-Agent|3a 20|Mozilla/5.0 (compatible|3b 20|MSIE 10.0|3b 20|Windows NT 6.1|3b 20|WOW64|3b 20|Trident/6.0)"

  • Value: !"Accept"

  • Value: !"Referer|3a|"

  • Value: !"Content-Type|3a|"

  • Value: "AQAAA" Depth: 5

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • http_header

  • http_header

  • http_header

  • fast_pattern

  • http_client_body

source