""ET TROJAN Mac User-Agent Typo INBOUND Likely Hostile""

SID: 2008955

Revision: 5

Class Type: trojan-activity

Metadata: created_at 2010_07_30, updated_at 2010_12_03

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "User-Agent|3a| Mozilla/5.0 (Macintosh|3b|"

  • Value: "(KHTML, like Geco,"

Within:

PCRE:

Special Options:

  • http_header

  • fast_pattern

  • http_header

source