""ET TROJAN Xbash CnC DNS Lookup (vfk2k5s5tfjr27tz .tk)""

SID: 2026334

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Client_and_Server, created_at 2018_09_20, deployment Perimeter, malware_family Xbash, performance_impact Low, signature_severity Major, tag Coinminer, tag Worm, tag Destructive, tag FakeRansom, updated_at 2018_09_20

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: "|10|vfk2k5s5tfjr27tz|02|tk|00|"

Within: 7

PCRE:

Special Options:

  • fast_pattern

  • nocase

source