""ET TROJAN Observed Glupteba CnC Domain (zaoshanghaoz .net in TLS SNI)""

SID: 2043039

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_28, deployment Perimeter, malware_family Glupteba, performance_impact Low, signature_severity Major, updated_at 2022_12_28, reviewed_at 2023_12_12

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00|"

  • Value: "|00|"

  • Value: "zaoshanghaoz.net"

Within: 1

PCRE: "/^(?:\x00\x10|.\x2e)zaoshanghaoz.net/R"

Special Options:

source