Security

---

Malware 26 December 2019

Malware analysis interview questions with detailed answers (Part 4)

In this part we will discuss advance as well as miscellaneous questions for malware analysis interview. Even if you are already an experienced researcher, still these questions can be helpful for learning some new stuff.

---

Reverse engineering 22 November 2018

What's at 1st sector/MBR of hard disk(MBR Forensics)

MBR have lots of details about the hard disk or other storage disk which can be used for forensics purposes. In this article we will analyze the MBR's 512 bytes of data and try to interpret it.

---

Malware 18 September 2018

Malware analysis interview questions with detailed answers (Part 3)

Here are few more important questions with detailed answers for malware analysis interview. Topic covers in this part is Dynamic analysis, static analysis and debugging.

---

Featured

Exploit Development 7 September 2018

Exploiting buffer overflow in Windows application through TextBox using only Alphanumeric payload

Lets look at how to exploit seh based buffer overflow in WIndows GUI application that have input restrictions of supporting only ascii characters as input.

---

Malware 6 August 2018

Malware analysis interview questions with detailed answers (Part 2)

Here are few more important questions with detailed answers for malware analysis interview. Topic covers in this part is OS concepts, Programming, Assembly language and Dynamic analysis.

---

Malware 3 August 2018

Malware analysis interview questions with detailed answers (Part 1)

Here is a series of important questions with detailed answers for malware analysis interviews. These question can be helpful for both candidates and interviewers.

---

Featured

Malware 5 July 2018

Deep dive into Tofsee spambot(Win32:Tofsee-J) malware dropper-2

In this part we will do the static analysis of dropper of tofsee .Tofsee is a spambot categorie of malware used to send spam messages, click fraud to different smtp mail server.

---

Malware 3 July 2018

Deep dive into Tofsee spambot(Win32:Tofsee-J) malware dropper-1

Tofsee is a spambot categorie of malware used to send spam messages, click fraud to different smtp mail server. In this part we will do the dynamic analysis of dropper of tofsee.

---

Featured

Rootkits 13 June 2018

Understanding Windows DKOM(Direct Kernel Object Manipulation) techniques(Part 1-EPROCESS)

Windows uses different Objects structures for different purposes like io-management, process management etc. These structures are vulnerable to different attacks which we will going to discuss in this series.

---

Security 13 June 2018

Let's discuss about vpn's and tor security

Last week I was looking at Tor network security. I have learnt quite a new things that I didn't knew about earlier. So, I decide to summarize it and put it in a article.

---

Security 10 February 2018

Creating encrypted partition in linux

The risk of systems getting physically compromise, particularly portable systems such as laptops, puts sensitive data at risk of compromise. Encrypting its data mitigates the risk of getting exposure if system is lost.

---

Security 3 February 2018

Reduce Security Risks with SELinux

Discover SELinux, a security module that provides extra protocols to ensure access control security. It supports mandatory access controls (MAC) and is an integral part of RHEL’s security policy.

---

Featured

Exploit Development 29 January 2018

Exploiting Off-by-One buffer overflow vulnerability

Off-by-one vulnerability is little difficult to find and hence can be present in big softwares.It can cause due to not aware of fact if your string provided is not null terminating then strcpy will add a null terminator at the end of string,

---

Firmware 5 January 2018

Replace your proprietary bios with linux firmware

Intel system comes with UEFI, UEFI is a proprietary and closed-source operating system that can be exploited.NERF (Non-Extensible Reduced Firmware), an open source software system developed at Google can replace almost all of UEFI firmware with a tiny Linux kernel and initramfs.

---

Featured

Security 31 December 2017

Finding and removing malware from windows in minimal steps using sysinternals suite

Did your system ever get affected with malwares? Did you know you can manually remove common malwares with very little technical knowledge. In this article I will explain you how to find malware using sysinternals suite.