""ET TROJAN FakeExt CnC Domain in DNS Lookup (cdn .jsassets .sbs)""

SID: 2051526

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 2024_03_07, deployment Perimeter, malware_family FakeExt, performance_impact Low, confidence High, signature_severity Major, tag FakeEXT, updated_at 2024_03_07

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|cdn|08|jsassets|03|sbs|00|"

Within: 18

PCRE:

Special Options:

  • fast_pattern

  • nocase

source