""ET TROJAN Win32/Delf.TJJ CnC Domain in DNS Lookup (ysl .jxwan .com)""

SID: 2037109

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_06_24, deployment Perimeter, malware_family Delf_TJJ, performance_impact Low, signature_severity Major, updated_at 2022_06_24

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|ysl|05|jxwan|03|com|00|"

Within: 15

PCRE:

Special Options:

  • nocase

  • fast_pattern

source