""ET TROJAN Backdoor.Win32.Sykipot Checkin""

SID: 2014006

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2011_12_09, updated_at 2015_12_01

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,from_client

Contents:

  • Value: "allow_get.asp?name="

  • Value: "&hostname="

  • Value: !"Referer|3a|"

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

source