""ET TROJAN Zacom/NFlog Checkin""

SID: 2020928

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2015_04_16, updated_at 2015_04_16

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: ".asp?HostID="

  • Value: "Windows NT 5.0|3b| .NET CLR 1.1.4322|29 0d 0a|"

Within:

PCRE: "/\?HostID=([A-F0-9]{2}(?:-|<>)){5}[A-F0-9]{2}$/U"

Special Options:

  • http_method

  • nocase

  • http_uri

  • http_header

source