""ET TROJAN DNS Reply Sinkhole - Microsoft - 131.253.18.11-12""

SID: 2016101

Revision: 7

Class Type: trojan-activity

Metadata: created_at 2012_12_28, updated_at 2022_07_13, reviewed_at 2024_03_25

Reference:

Protocol: udp

Source Network: any

Source Port: 53

Destination Network: $HOME_NET

Destination Port: any

Flow:

Contents:

  • Value: "|00 01 00 01|"

  • Value: "|00 04 83 fd 12|"

Within: 5

PCRE:

Special Options:

source