""ET INFO DYNAMIC_DNS HTTP Request to a *.anondns .net Domain""
SID: 2038603
Revision: 1
Class Type: bad-unknown
Metadata: attack_target Client_Endpoint, created_at 2022_08_24, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2022_08_24
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: ".anondns.net|0d 0a|"
Within:
PCRE: "/^Host\x3a\x20[^\r\n]+.anondns.net$/Hmi"
Special Options:
-
http_header
-
fast_pattern