""ET POLICY Observed DNS Query to External IP Lookup Domain ( iplocation .truevue .org)""

SID: 2027373

Revision: 2

Class Type: policy-violation

Metadata: attack_target Client_Endpoint, created_at 2019_05_22, deployment Perimeter, performance_impact Low, signature_severity Informational, tag IP_address_lookup_website, updated_at 2019_05_22

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: "|0a|iplocation|07|truevue|03|org|00|"

Within: 7

PCRE:

Special Options:

  • nocase

  • fast_pattern

source