""ET TROJAN OSX/MapperState CnC Domain in DNS Lookup""

SID: 2033030

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2021_05_25, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2021_05_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: "|03|web|0b|mapperstate|03|com|00|"

Within: 21

PCRE:

Special Options:

  • nocase

  • fast_pattern

source