Trellix uncovers the Sirius Backdoor in fake FedEx tax invoices. See how the fileless Sirius Backdoor blinds EDRs and survives Windows OS resets. Related Posts: Yoba Malware Campaign Sideloads Payloads Through Signed OpenAI and Anthropic Binaries Fake Phantom, Jupiter, and Bitget Firefox Extensions Steal Crypto Recovery Phrases Brazilian Magecart Group Hits Convertr Ecommerce Platform in Plausible Analytics Supply Chain Attack The post Fake FedEx Tax Invoice PDFs Deliver Fileless Sirius Backd