Shayan Ahmed Khan – Medium

Shayan Ahmed Khan

Shayan Ahmed Khan

Layers of Deception: Analyzing the Complex Stages of XLoader 4.3 Malware Evolution

XLoader, an advanced evolution of the FormBook malware, stands out as a highly sophisticated cyber threat renowned for its dual…

Jan 23

Layers of Deception: Analyzing the Complex Stages of XLoader 4.3 Malware Evolution

Jan 23

Shayan Ahmed Khan

From Infection to Encryption: Tracing the Impact of RYUK Ransomware

Ryuk ransomware is a very famous and deadly piece of malware that was first discovered in mid 2018 and has been active since. There are…

Nov 26, 2023

From Infection to Encryption: Tracing the Impact of RYUK Ransomware

Nov 26, 2023

Shayan Ahmed Khan

Decrypting the Mystery of MedusaLocker

In this analysis, I will not cover the stage1 and stage2 of MedusaLocker which includes initial access using a maldoc and execution using a…

Nov 13, 2023

Decrypting the Mystery of MedusaLocker

Nov 13, 2023

Shayan Ahmed Khan

RevEnge! Reverse Engineering android apps to bypass SSL pinning for mobile app pen-testing

This is the second part of my 2 part blog series on mobile app pen-testing and reverse engineering. In the first part, I have explained how…

Oct 31, 2023

RevEnge! Reverse Engineering android apps to bypass SSL pinning for mobile app pen-testing

Oct 31, 2023

Shayan Ahmed Khan

Secrets of commercial RATs! NanoCore dissected

This article includes the technical analysis of a commercial RAT which is easily available on black market for cheap price. NanoCore is a…

Sep 21, 2023

Secrets of commercial RATs! NanoCore dissected

Sep 21, 2023

Shayan Ahmed Khan

RevEnge! Reverse engineering android apps to bypass root detection capabilities for mobile…

Root and Emulator detection capabilities are common these days in most of the android apps which makes it harder for pen-testers and…

Nov 5, 2022

RevEnge! Reverse engineering android apps to bypass root detection capabilities for mobile…

Nov 5, 2022

Shayan Ahmed Khan

The epitome of evasion! A custom shellcode

Shellcode injection is one of the most used defence evasion technique because shellcode is injected into a volatile memory therefore there…

Apr 9, 2022

The epitome of evasion! A custom shellcode

Apr 9, 2022

Shayan Ahmed Khan

Reverse Authentication! How I diffused infamous bomb.exe in one hour

Reverse engineering is a very powerful technique to audit software and analyze malware samples. While this technique is very useful in…

Mar 23, 2022

Reverse Authentication! How I diffused infamous bomb.exe in one hour

Mar 23, 2022

Shayan Ahmed Khan

Change your DNA! Shuffle the bytes

In security testing, a single variant of malware is tested on different systems and the main problem with this approach is that if a…

Mar 15, 2022

Change your DNA! Shuffle the bytes

Mar 15, 2022

Shayan Ahmed Khan

Cracked Haven! Why you should avoid using cracked software and how to check their integrity?

In this age of digital world, everything depends on software. From communication to management to business and operation, software is now…

Mar 12, 2022

Cracked Haven! Why you should avoid using cracked software and how to check their integrity?

Mar 12, 2022

Shayan Ahmed Khan

Shayan Ahmed Khan

My articles are a gesture of giving something back to the community as an open-source free work. Checkout my Github: https://github.com/shaddy43

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