""ET WEB_SPECIFIC_APPS Invalid/Suspicious User-Agent (PHP)""
SID: 2022350
Revision: 2
Class Type: web-application-attack
Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2016_01_12, deployment Perimeter, signature_severity Major, tag User_Agent, updated_at 2016_01_12
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HTTP_SERVERS
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
- Value: "User-Agent|3a 20|PHP/5."
Within:
PCRE: "/^{\d(|\d){1,}}.{\d(|\d){1,}}{\d(|\d){1,}}/R"
Special Options:
-
nocase
-
fast_pattern