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Osanda Malith Jayathissa

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Osanda Malith Jayathissa

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Jun 25, 2020

My Journey into eLearnSecurity Certified eXploit Developer — eCXD

I first want to thank eLearnSecurity for creating such a course on this topic of exploit development. I have always been a big fan of the…

My Journey into eLearnSecurity Certified eXploit Developer — eCXD

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Osanda Malith Jayathissa

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Feb 3, 2020

Exploiting Format Strings in Windows

I thought of making a small challenge in exploiting format strings in Windows. This is how it looks, it asks for a filename to open. At…

Exploiting Format Strings in Windows

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Osanda Malith Jayathissa

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Jan 30, 2020

A Basic RSA Encrypter

This is a small post about implementing a basic RSA encrypter to encrypt sections in an exe. We can use this to exchange exes with people…

A Basic RSA Encrypter

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Osanda Malith Jayathissa

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Jan 30, 2020

Writing a Bootloader

What is a Bootloader?

Writing a Bootloader

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Osanda Malith Jayathissa

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Jan 28, 2020

Alternatives to Extract Tables and Columns from MySQL and MariaDB

I’ve previously published a post on extracting table names when /or/i was filtered which leads to filtering of the word information_schema…

Alternatives to Extract Tables and Columns from MySQL and MariaDB

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Osanda Malith Jayathissa

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Jan 27, 2020

MiniDumpWriteDump via Faultrep!CreateMinidump

I found out this old undocumented API “CreateMinidumpW” inside the faultrep.dll on Windows XP and Windows Server 2003. This API ends up…

MiniDumpWriteDump via Faultrep!CreateMinidump

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Osanda Malith Jayathissa

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Jan 27, 2020

Unloading the Sysmon Minifilter Driver

The binary fltMC.exe is used to manage minifilter drivers. You can easily load and unload minifilters using this binary. To unload the…

Unloading the Sysmon Minifilter Driver

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Osanda Malith Jayathissa

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Mar 14, 2019

Linux Reverse Engineering CTFs for Beginners

After a while, I decided a write a short blog post about Linux binary reversing CTFs in general. How to approach a binary and solving for…

Linux Reverse Engineering CTFs for Beginners

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InfoSec Write-ups

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Osanda Malith Jayathissa

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Apr 7, 2018

Haxing Minesweeper

Recently I tweeted a screenshot where I won the Minesweeper game by looking at the minefield from the memory. I posted this for no reason…

Haxing Minesweeper

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Osanda Malith Jayathissa

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Mar 24, 2017

Places of Interest in Stealing NetNTLM Hashes

One day I and @m3g9tr0n were discussing different places where we can use responder in stealing NetNTLM hashes. After experimenting I…

Places of Interest in Stealing NetNTLM Hashes

Osanda Malith Jayathissa

Osanda Malith Jayathissa

Security Researcher — https://osandamalith.com ☕ Support me by buying me a Coffee 💖— https://buymeacoff.ee/osandamalith

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