Fake FedEx Tax Invoice Emails Are Dropping a Memory-Only Backdoor That Blinds Windows Defenses
A phishing campaign impersonating FedEx billing notices is delivering a newly documented, largely fileless backdoor called Sirius that patches Windows' own security logging to evade detection. Once installed, it can watch webcams, steal browser credentials, and swap cryptocurrency wallet addresses in real time. The post Fake FedEx Tax Invoice Emails Are Dropping a Memory-Only Backdoor That Blinds Windows Defenses appeared first on Secure Bulletin.
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