AES-256-GCM
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PDFSider backdoor deployed on Fortune 100 finance firm network
A Resecurity technical analysis found PDFSider, a Windows backdoor, was used to deliver ransomware on a Fortune 100 finance firm’s network. The malware uses DLL side-loading, memory-only execution, DNS exfiltration, and AES-256-GCM encryption.
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VolkLocker ransomware contains hard-coded master keys, SentinelOne analysis finds
A SentinelOne analysis says VolkLocker, a RaaS from the CyberVolk collective, contains hard-coded master keys and writes a plaintext backup key to the temporary folder, enabling file recovery without payment while still displaying typical ransomware behaviors.
