""ET TROJAN Suspicious User-Agent (API-Guide test program) Used by Several trojans""
SID: 2007826
Revision: 4
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 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| API-Guide test program|0d 0a|"
Within:
PCRE:
Special Options:
-
http_header
-
nocase