Malicious PyPI Package Targets WooCommerce Stores with Autom...

A malicious Python package named "disgrasya" was discovered on PyPI, specifically targeting WooCommerce stores integrated with CyberSource as their payment gateway, to facilitate automated credit card fraud. This package, which bypasses traditional supply chain attack methods like deception, uses an openly malicious script to perform carding attacks by mimicking real checkout and payment processes without triggering fraud detection systems. The script automates the testing of stolen credit card information, obtained from sources like the dark web, to verify their validity by simulating legitimate purchases. If a card is verified as valid, it becomes more valuable for resale on the black market. Downloaded over 34,860 times, "disgrasya" lowers the entry barrier for committing sophisticated fraud, allowing even low-skilled individuals to defraud WooCommerce-based merchants. The attack involves several steps, including extracting product IDs, emulating the checkout process, and exfiltrating stolen card data to an external server. Despite its removal from PyPI, the method remains a viable threat, underscoring the need for vigilant monitoring and robust fraud protection measures at the checkout level to prevent such attacks.

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