NgrBot - Malware Capabilities Analysis (Part 3)

In the second delivery of NgrBot analysis we will take a close look of the malicious code that was unpacked by the Visual Basic executable in the previous post.
Doopel Feb 4, 2018

NgrBot - Dropper Analysis (Part 2)

In the second delivery of NgrBot analisys we will take a close look of the malicious code that was unpacked by the Visual Basic executable in the previous post.
Doopel Jan 28, 2018

NgrBot - Packer Analysis (Part 1)

In this serie of posts we are going to review interesting feaures of a malware sample known as NrgBot. In this first part, we will focus in the malware packer/deployer whihc has been coded in Visual Basic
Doopel Jan 20, 2018

GoogleCTF 2017 - Inst Prof (Part 2)

Once we have understood how the binary works (this was explained in part 1), we can move forward to understand how can we exploit this.
Tzaoh Dec 1, 2017

GoogleCTF 2017 - Inst Prof (Part 1)

Here there is an explanation and solution to one funny challenge published during the GoogleCTF 2017. As the explanation is a bit long I decided to split the post in two parts. This part contains the description of the behavior of the entire binary. Have fun!
Tzaoh Aug 30, 2017

Garage Door RF Communication

Reversing an unknown radio signal protocol
Doopel Aug 20, 2017