""ET TROJAN Unknown Webserver Backdoor""
SID: 2017026
Revision: 1
Class Type: trojan-activity
Metadata: created_at 2013_06_18, updated_at 2013_06_18
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|SEX/1"
Within:
PCRE:
Special Options:
-
nocase
-
http_header