""ET TROJAN User-Agent in Referer Field - Likely Malware""
SID: 2013423
Revision: 7
Class Type: trojan-activity
Metadata: created_at 2011_08_18, updated_at 2014_04_14
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "Referer|3A 20|Mozilla/4.0 "
Within:
PCRE:
Special Options:
- http_header