""ET POLICY Windows 3.1 User-Agent Detected - Possible Malware or Non-Updated System""
SID: 2011694
Revision: 7
Class Type: policy-violation
Metadata: created_at 2010_07_30, updated_at 2013_10_04
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 20|"
-
Value: "Windows 3.1"
-
Value: !"Cisco AnyConnect VPN Agent"
Within:
PCRE: "/User-Agent\:[^\n]+Windows 3.1/Hi"
Special Options:
-
http_header
-
http_header