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Osanda Malith Jayathissa

Osanda Malith Jayathissa
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InfoSec Write-ups

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…

Jun 25, 2020

My Journey into eLearnSecurity Certified eXploit Developer — eCXD

Jun 25, 2020

Osanda Malith Jayathissa
in
InfoSec Write-ups

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…

Feb 3, 2020

Exploiting Format Strings in Windows

Feb 3, 2020

Osanda Malith Jayathissa
in
InfoSec Write-ups

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…

Jan 30, 2020

A Basic RSA Encrypter

Jan 30, 2020

Osanda Malith Jayathissa
in
InfoSec Write-ups

Writing a Bootloader

What is a Bootloader?

Jan 30, 2020

Writing a Bootloader

Jan 30, 2020

Osanda Malith Jayathissa
in
InfoSec Write-ups

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…

Jan 28, 2020

Alternatives to Extract Tables and Columns from MySQL and MariaDB

Jan 28, 2020

Osanda Malith Jayathissa
in
InfoSec Write-ups

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…

Jan 27, 2020

MiniDumpWriteDump via Faultrep!CreateMinidump

Jan 27, 2020

Osanda Malith Jayathissa
in
InfoSec Write-ups

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…

Jan 27, 2020

Unloading the Sysmon Minifilter Driver

Jan 27, 2020

Osanda Malith Jayathissa
in
InfoSec Write-ups

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…

Mar 14, 2019

Linux Reverse Engineering CTFs for Beginners

Mar 14, 2019

Osanda Malith Jayathissa
in
InfoSec Write-ups

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…

Apr 7, 2018

Haxing Minesweeper

Apr 7, 2018

Osanda Malith Jayathissa
in
InfoSec Write-ups

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…

Mar 24, 2017

Places of Interest in Stealing NetNTLM Hashes

Mar 24, 2017

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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