""ET TROJAN Known Sinkhole Response Header""
SID: 2016803
Revision: 3
Class Type: trojan-activity
Metadata: created_at 2013_05_01, updated_at 2013_10_23
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
- Value: "X-Sinkhole|3a| "
Within:
PCRE:
Special Options:
-
http_header
-
nocase