""ET TROJAN Observed DNS Query to Ursnif SAIGON Variant CnC Domain""

SID: 2029252

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_10, deployment Perimeter, malware_family ursnif, malware_family SAIGON, signature_severity Major, updated_at 2020_01_10

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: "|0f|securecloudbase|03|com|00|"

Within: 7

PCRE:

Special Options:

  • nocase

  • fast_pattern

source