""ET POLICY External IP Address Lookup DNS Query (2ip .ua)""

SID: 2027026

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2019_03_04, performance_impact Low, signature_severity Minor, tag IP_address_lookup_website, updated_at 2019_03_04

Reference:

  • md5

  • 81bfa5fe9d0147c8df47a51a1cd4b7c4

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: "|03|2ip|02|ua|00|"

Within: 7

PCRE:

Special Options:

  • fast_pattern

  • nocase

source