Cybersecurity Research

3 minute read

Java Decompilers

ByMert SARICA
1 March 2016

I agree that working at byte code level is sometimes a bit challenging. If the mission is analyzing a Java malware, decompiling the class files into Java source code is the first step most analysts would take. However, like I mentioned in my post on July (Java Byte Code Debugging),…

6 minute read

RF World and Security

ByMert SARICA
1 February 2016

Since I was a child, remote-controlled garage doors have always caught my attention. As I grew older and progressed in my profession, I decided to turn my curiosity into practice and examine these systems that communicate with RF from the perspective of a security researcher. I began to ask myself…

3 minute read

Microsoft Office Macro Analysis

ByMert SARICA
1 December 2015

Some of you, who are the same age as me or older might remember the Melissa malware that spread through Microsoft Office Word macro in 1999 and affected millions of systems worldwide. Melissa malware was spreading by sending the first 50 people on Microsoft Outlook in the system it was…

3 minute read

Android Stagefright Vulnerability

ByMert SARICA
1 September 2015

As a person who is really interested in social networks, the trend of creating business-oriented Whatsapp groups on LinkedIn takes my attention. In this trend, someone is creates a Whatsapp group and announces it on LinkedIn. Then other people drop a comment below with their phone number, state that they…

4 minute read

Bad USB

ByMert SARICA
3 November 2014

Every year, in August, at the end of the traditional Black Hat Cybersecurity Conference held in Las Vegas, USA, two researchers, Karsten NOHL and Jakob LELL, signed a striking presentation called BadUSB. In this presentation, in short, it was provided that the hardware software (firmware) used by the microcontroller in…

3 minute read

Manipulated Photo Analysis

ByMert SARICA
1 July 2013

As a citizen who followed the Gezi Parki protests that marked the past month through written, visual, and internet media, my interest was drawn to various photos that caused frequent debates among the public and parties involved, in addition to the events. While one side blamed the other side through…

1 minute read

How to Bypass Android 4.0 Facial Recognition ?

ByMert SARICA
18 April 2012

As you know, Android 4.0 (Ice Cream Sandwich) comes with a face recognition feature, and your face can be used as a screen lock element (face lock), but if a high-resolution photo of your face is used instead of your face, the screen lock also opens and a security vulnerability…

3 minute read

I Love Python :)

ByMert SARICA
25 March 2010

I, like many ethical hackers, have been busy with the C programming language for years, have examined a lot of source code, have written many programs, and have often thought, “I’m glad I learned C programming language” because whenever I look at source code written in another programming language, I…

3 minute read

CEH or OSCP ?

ByMert SARICA
15 December 2009

In the early 2000s, I had decided to take the CEH training from EC-Council at an educational institution in Altunizade, and I had high expectations for this course. Normally, this training, which is given in 5 days abroad, was turned into a 3-month course, if I remember correctly. I thought…

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