""ET TROJAN Storm/Waledac 3.0 Checkin 2""

SID: 2012139

Revision: 6

Class Type: trojan-activity

Metadata: created_at 2011_01_05, updated_at 2012_03_17

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: 1024:

Destination Network: $EXTERNAL_NET

Destination Port: 1024:

Flow: established,to_server

Contents:

  • Value: "GET " Depth: 4

  • Value: "Host|3a| "

  • Value: "Content-Length|3a| "

  • Value: ".htm HTTP/1.1"

  • Value: "|01 02 01 01|"

Within:

PCRE: "/Content-Length\x3a [1-9]/"

Special Options:

  • nocase

  • fast_pattern

source