""ET TROJAN SocGholish CnC Domain in TLS SNI (* .caching .oysterfloats .com)""

SID: 2049126

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 2023_11_08, deployment Perimeter, malware_family SocGholish, performance_impact Low, confidence High, signature_severity Critical, updated_at 2023_11_08, reviewed_at 2023_11_08

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: "caching.oysterfloats.com"

Within: 1

PCRE: "/^(?:\x00\x18|.\x2e)caching.oysterfloats.com/R"

Special Options:

source