""ET CURRENT_EVENTS Credit Card Skimmer Domain in TLS SNI (merchifly .shop)""

SID: 2055631

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2024_08_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Exploit_Kit, updated_at 2024_08_29

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: "merchifly.shop"

Within: 1

PCRE: "/^(?:\x00\x0e|.\x2e)merchifly.shop/R"

Special Options:

source