""ET INFO DYNAMIC_DNS HTTP Request to a *.airdns .org Domain""
SID: 2050506
Revision: 2
Class Type: bad-unknown
Metadata: attack_target Client_and_Server, created_at 2024_01_26, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2024_06_11
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: ".airdns.org|0d 0a|"
Within:
PCRE: "/^Host\x3a\x20[^\r\n]+.airdns.org[\r\n]+$/Hmi"
Special Options:
-
http_header
-
fast_pattern