""ET TROJAN Win32/Kryptik.BSYO Checkin 2""

SID: 2018198

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2014_01_22, updated_at 2014_03_03

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "/cmd?version="

  • Value: "&aid="

  • Value: "&id="

  • Value: "&os="

Within:

PCRE: "/&id=[a-f0-9]{8}(-[a-f0-9]{4}){4}[a-f0-9]{8}&os=/U"

Special Options:

  • http_uri

  • http_uri

  • http_uri

  • http_uri

source