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TGTej Gokanitejgokani.hashnode.devJul 2 · 6 min read

Ring 0: The Line Most Software Never Crosses

The privilege you don't think about Most of the software on your computer operates under a quiet agreement: it gets to touch its own corner of memory, read its own files, and nothing else. The operati

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*********mkdir-api-hookrise-of-linux-rootkit.hashnode.devNov 13, 2024 · 10 min read

Understanding How mkdir API Hook Leads to LKM Rootkits in Linux

Introduction Adrishya is a Linux kernel module that leverages advanced kernel hooking techniques, specifically using ftrace (the Linux kernel’s function tracer) to hook into the mkdir system call. The module is designed to block directory creation at...

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9S92_prajak senblogfolio.comJul 17, 2023 · 5 min read

Unleashing the Power of Zero Copy Networking: Revolutionizing Data Transfer Efficiency

Introduction: Zero-copy networking is a groundbreaking technique that is revolutionizing the way data is transmitted across networks. By eliminating unnecessary data copying between kernel and user space, zero-copy networking drastically reduces late...

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SKShubham Kumarchmodshubham.hashnode.devMay 30, 2023 · 4 min read

Af_xdp

AF_XDP (Address Family — eXpress Data Path) socket is a high-performance mechanism for bypassing the traditional kernel network stack, enabling userspace applications to process packets directly. It uses eBPF programs at the XDP hook and shared users...

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SKShubham Kumarchmodshubham.hashnode.devMay 26, 2023 · 4 min read

Sr-iov

SR-IOV (Single Root I/O Virtualization) is a PCI feature that allows a PCIe device, such as a network adapter or a storage controller, to present itself as multiple, independent physical PCIe devices to VM or containers running on a host. In SR-IOV,...

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SKShubham Kumarchmodshubham.hashnode.devMay 22, 2023 · 7 min read

Data Plane Development Kit

DPDK (Data Plane Development Kit) is a toolkit or a set of libraries and PMD drivers that help us to attend the high-performance packet processing at the application level by bypassing the traditional kernel network stack and directly interacting wit...

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#kernel-bypassing

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Trending tags this week

Ring 0: The Line Most Software Never Crosses

Understanding How mkdir API Hook Leads to LKM Rootkits in Linux

Unleashing the Power of Zero Copy Networking: Revolutionizing Data Transfer Efficiency

Af_xdp

Sr-iov

Data Plane Development Kit