""ET CURRENT_EVENTS TA453 Domain in TLS SNI (d75 .site)""

SID: 2055247

Revision: 1

Class Type: misc-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_03_04, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag TA453, updated_at 2024_08_13, reviewed_at 2024_07_30, former_sid 2856441

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: "d75.site"

Within: 1

PCRE: "/^(?:\x00\x08|.\x2e)d75.site/R"

Special Options:

source