lopqto's adventures
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  • Crackmes for lazies: angr demonstration

    I have been playing crackmes and CTFs all the time to boost my reverse engineering knowledge and learn new stuff, but there are times that you find some challenges boring or without new unique technics so you develop some automation tools to pass the challenges. So in this blog post, I’m gonna show you my ultimate tool to solve these types of challenges.

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  • Frida by example: bypassing IsDebuggerPresent() check

    Almost every malware exists out there has a functionally to make the post-detection analysis more difficult. Threat actors use various anti-debugging techniques, one of the more common ones used to check whether a debugger is on via IsDebuggerPresent() Windows API call. In this blog post, we will discuss how to bypass this technique by Frida.

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