""ET TROJAN Sofacy HTTP Request microsof-update.com""

SID: 2019554

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2014_10_29, updated_at 2014_10_29

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "Host|3a 20|microsof-update.com|0d 0a|"

Within:

PCRE:

Special Options:

• http_header

source