""ET USER_AGENTS Suspicious User-Agent Sample""
SID: 2012611
Revision: 3
Class Type: trojan-activity
Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2011_03_31, deployment Perimeter, signature_severity Major, tag User_Agent, updated_at 2011_04_01
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "User-Agent|3A| sample"
Within:
PCRE:
Special Options:
-
nocase
-
http_header