Researchers Turned Azure Storage Wildcards into a Stealthy Internal SOCKS5 Backdoor

Security researchers at Quarkslab have developed a new covert channel technique that exploits Microsoft’s recommended Azure Storage firewall configurations to bypass network restrictions. Their proof-of-concept tool, named “ProxyBlob,” leverages Azure Blob Storage to create a SOCKS5 proxy, allowing attackers to establish persistent backdoor access to restricted networks. This technique demonstrates how Microsoft’s own security recommendations […]

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