""ET TROJAN ELF/Mirai.shiina CnC Domain in DNS Query""

SID: 2027857

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_08_09, deployment Perimeter, signature_severity Major, updated_at 2019_08_09

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: "|06|shiina|07|mashiro|02|tk|00|"

Within: 7

PCRE:

Special Options:

  • fast_pattern

source