""ET TROJAN Known Sinkhole Response Header""
SID: 2033106
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2021_06_07, deployment Perimeter, signature_severity Major, updated_at 2021_06_07
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
- Value: "Server|3a 20|360Netlab-sinkhole"
Within:
PCRE:
Special Options:
-
nocase
-
http_header