""ET SCAN Suspicious User-Agent inbound (bot)""
SID: 2008228
Revision: 10
Class Type: trojan-activity
Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2010_07_30, deployment Perimeter, signature_severity Major, tag User_Agent, updated_at 2011_05_26
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HOME_NET
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
- Value: "User-Agent|3a| bot/"
Within:
PCRE:
Special Options:
-
http_header
-
nocase