""ET INFO File Sharing Domain in DNS Lookup (drive .protonmail .com)""

SID: 2036353

Revision: 1

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2022_04_25, deployment Perimeter, signature_severity Informational, updated_at 2022_04_25

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|drive|0a|protonmail|03|com"

Within: 7

PCRE:

Special Options:

  • nocase

source