""ET USER_AGENTS Suspicious User-Agent (Presto)""
SID: 2012491
Revision: 8
Class Type: trojan-activity
Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2011_03_12, deployment Perimeter, signature_severity Major, tag User_Agent, updated_at 2017_10_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| Opera/10.60 Presto/2.2.30"
-
Value: !"Accept"
Within:
PCRE:
Special Options:
-
http_header
-
http_header