""ET TROJAN ViperSoftX CnC Domain in DNS Lookup (fairu-endpoint .xyz)""

SID: 2043129

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_30, deployment Perimeter, malware_family ViperSoftX, performance_impact Low, signature_severity Major, updated_at 2022_12_30

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: "|0e|fairu-endpoint|03|xyz|00|"

Within: 7

PCRE:

Special Options:

  • nocase

  • fast_pattern

source