""ET USER_AGENTS Suspicious User-Agent (adlib)""
SID: 2013967
Revision: 3
Class Type: bad-unknown
Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2011_11_24, deployment Perimeter, signature_severity Major, tag User_Agent, updated_at 2022_06_27
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|adlib/"
Within:
PCRE:
Special Options:
- http_header