""ET TROJAN Win32/Sefnit Initial Checkin""

SID: 2013221

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2011_07_06, updated_at 2011_07_06

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/version.php?ver="

  • Value: "&app="

  • Value: "User-Agent|3A| NSISDL"

Within:

PCRE:

Special Options:

  • http_uri

  • http_uri

  • http_header

source