""ET INFO DYNAMIC_DNS HTTP Request to a *.autoddns.com Domain""
SID: 2027300
Revision: 3
Class Type: bad-unknown
Metadata: attack_target Client_and_Server, created_at 2019_04_30, deployment Perimeter, performance_impact Low, signature_severity Informational, tag DynamicDNS, updated_at 2023_04_28, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1568, mitre_technique_name Dynamic_Resolution
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: ".autoddns.com|0d 0a|"
Within:
PCRE: "/Host\x3A[^\r\n]*\x2Eautoddns\x2Ecom/H"
Special Options:
- http_header