""ET DNS DNS Lookup for localhost.DOMAIN.TLD""

SID: 2011802

Revision: 4

Class Type: bad-unknown

Metadata: created_at 2010_10_13, updated_at 2019_08_28

Reference:

Protocol: udp

Source Network: ![$SMTP_SERVERS,$DNS_SERVERS]

Source Port: any

Destination Network: $DNS_SERVERS

Destination Port: 53

Flow:

Contents:

  • Value: "|01|" Depth: 1 Offset: 2

  • Value: "|00 01 00 00 00 00 00|"

  • Value: "|09|localhost"

Within: 7

PCRE:

Special Options:

  • fast_pattern

  • nocase

source