""ET TROJAN Backdoor.Win32.Vertexbot.A User-Agent (VERTEXNET)""

SID: 2012740

Revision: 6

Class Type: trojan-activity

Metadata: created_at 2011_03_31, updated_at 2012_10_03

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

• Value: "User-Agent|3a| VERTEXNET"

Within:

PCRE:

Special Options:

• http_header

source