A new malware campaign dubbed RingReaper has emerged, targeting servers with advanced post-exploitation capabilities that exploit the kernel’s io_uring asynchronous I/O interface to bypass Endpoint Detection and Response (EDR) systems. This sophisticated agent minimizes reliance on traditional system calls like read, write, recv, send, or connect, instead using io_uring primitives such as io_uring_prep_* for stealthy […]
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