""ET INFO DYNAMIC_DNS Query to a *.addns .org Domain""

SID: 2032896

Revision: 2

Class Type: bad-unknown

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2021_05_04, deployment Perimeter, signature_severity Informational, updated_at 2021_05_04

Reference:

Protocol: udp

Source Network: $HOME_NET

Source Port: any

Destination Network: any

Destination Port: 53

Flow:

Contents:

  • Value: "|01|" Depth: 1 Offset: 2

  • Value: "|00 01 00 00 00 00 00|"

  • Value: "|05|addns|03|org|00|"

Within: 7

PCRE:

Special Options:

source