""ET INFO DYNAMIC_DNS Query to a Suspicious *.myftp.biz Domain""

SID: 2013823

Revision: 4

Class Type: bad-unknown

Metadata: created_at 2011_11_05, updated_at 2024_01_29

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|myftp|03|biz"

Within: 7

PCRE:

Special Options:

  • fast_pattern

  • nocase

source