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SuperCard X: exposing a Chinese-speaker MaaS for NFC Relay fraud operation
SuperCard X: exposing a Chinese-speaker MaaS for NFC Relay fraud operation
This report details a newly identified and active fraud campaign, highlighting the emergence of sophisticated mobile malware leveraging innovative techniques: SuperCard X Malware: A novel Android malware offered through a Malware-as-a-Service (MaaS) model, enabling NFC relay attacks for fraudulent cash-outs. Evolving Threat Landscape: Demonstrates the continuous advancement of mobile malware in the financial sector, with NFC relay representing a significant new capability. Combined Attack Vectors: Employs a multi-stage approach combining social engineering (via smishing and phone calls), malicious application installation, and NFC data interception for highly effective fraud. Low Detection Rate: SuperCard X currently exhibits a low detection rate among antivirus solutions due to its focused functionality and minimalistic permission model.‍ * Broad Target Scope: The fraud scheme targets customers of banking institutions and card issuers, aiming to compromise payment card data.
·cleafy.com·
SuperCard X: exposing a Chinese-speaker MaaS for NFC Relay fraud operation
MIFARE Classic: exposing the static encrypted nonce variant... and a few hardware backdoors
MIFARE Classic: exposing the static encrypted nonce variant... and a few hardware backdoors
We studied the most secure static encrypted nonce variant of "MIFARE Classic compatible" cards -- meant to resist all known card-only attacks -- and developed new attacks defeating it, uncovering a hardware backdoor in the process. And that's only the beginning...
·blog.quarkslab.com·
MIFARE Classic: exposing the static encrypted nonce variant... and a few hardware backdoors