""ET USER_AGENTS Suspicious User-Agent (firefox)""
SID: 2030623
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2020_07_30, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2020_07_30
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "User-Agent|3a 20|firefox"
Within:
PCRE: "/User-Agent\x3a\x20firefox$/H"
Special Options:
-
fast_pattern
-
http_header