0xkami.top

What It Is

0xkami-blog is a personal security research blog whose author describes themselves as a “worker at a small security vendor.” Based on the crawled content, the site mainly focuses on topics such as binary security, Windows kernel vulnerabilities, CVE reproduction, the PE file format, DLL injection, and tcpdump denial-of-service vulnerabilities. It feels more like a collection of personal learning and research notes than a commercial security service platform.

Core Features

The blog centers on vulnerability reproduction and analysis. Typical posts include target machine environments, attacker machine configurations, PoC execution processes, crash behavior, use of debugging tools, and source code or disassembly analysis. For example, the article on CVE-2021-24086 explains a Windows TCP/IP IPv6 fragment reassembly denial-of-service issue, while the tcpdump 4.5.1 article analyzes the cause of the vulnerability through the pcap file format, environment setup, GDB debugging, and the source-code call chain. The site also covers foundational binary security topics such as the PE format and DLL remote thread injection tools.

Pricing

There are currently no visible paid courses, memberships, advertising services, or consulting entry points. The content appears to be freely available to read. It is closer to a knowledge-sharing blog than a SaaS product, security product, or training provider.

Pros and Cons

The main advantages are its focused direction and strong hands-on nature. The articles do not merely list conclusions; they also include environment setup, reference links, debugging steps, and vulnerability trigger logic, making them suitable for readers who want to start learning vulnerability analysis through reproduction. The downsides are that, as a personal blog, its structure is relatively loose, the content is not highly systematic, and its update frequency and long-term maintenance are unclear. Some analysis is written in the style of learning notes, so it cannot fully replace in-depth reports from professional security teams. Since the site includes PoCs and vulnerability reproduction content, readers should strictly limit any use to authorized lab environments.

Who It’s For

It is suitable for beginners in binary vulnerability research, reverse engineering enthusiasts, Windows kernel security learners, students focused on CTF/Pwn, and security practitioners who need references for vulnerability reproduction workflows. It is less suitable for users looking for enterprise-grade security solutions, vulnerability intelligence subscriptions, or structured course services.

Access in China

The domain uses .top, and the content is a Chinese personal blog. Based on the crawled information, it does not appear to rely on clearly restricted commercial services, so it is likely directly accessible from mainland China. However, the articles reference external resources such as GitHub, overseas security blogs, and Exploit-DB, so access to some reference links may be unstable.