SID: 2033084

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2021_06_03, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_06_03

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: "|09|dnsstatus|03|org|00|"

Within: 7

PCRE: "/[a-z0-9]{32}\x09dnsstatus\x03org\x00/"

Special Options:

  • fast_pattern

  • nocase

source