""ET INFO DYNAMIC_DNS HTTP Request to a *.bridge-club-hannover .de Domain""

SID: 2041245

Revision: 2

Class Type: bad-unknown

Metadata: attack_target Client_and_Server, created_at 2022_12_01, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2023_03_02, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1568, mitre_technique_name Dynamic_Resolution

Reference:

• Link

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: ".bridge-club-hannover.de|0d 0a|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+.bridge-club-hannover.de[\r\n]+$/Hmi"

Special Options:

• http_header

• fast_pattern

source