On the server, PHP finds emails and phone numbers in the HTML, XOR-encodes them with a key derived from a passphrase (MD5 of a shuffled version of it), base64-encodes the result, and replaces the ...
From package to postinstall payload: Inside the Mastra npm supply chain compromise by Sapphire Sleet
June 19, 2026 update: Microsoft assesses with high confidence that this activity is attributable to Sapphire Sleet, a North Korean state actor that primarily targets the financial sector. The ...
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