""ET TROJAN Bifrose Client Checkin""

SID: 2013338

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2011_08_02, updated_at 2011_08_02

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

• Value: "|00 00 99 4F B9 74 E2 75 94 0A 5A|" Depth: 11 Offset: 2

Within:

PCRE:

Special Options:

source