""ET TROJAN BlackTech ELF/TSCookie CnC Observed in DNS Query""

SID: 2029560

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, affected_product Linux, attack_target Client_and_Server, created_at 2020_03_03, deployment Perimeter, malware_family TScookie, malware_family BlackTech, performance_impact Low, signature_severity Major, updated_at 2020_03_03

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: "|04|home|06|mwbsys|03|org|00|"

Within: 7

PCRE:

Special Options:

  • fast_pattern

source