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Blog | RESEARCH | March 9, 2018

Robots Want Bitcoins too!

Ransomware attacks have boomed during the last few years, becoming a preferred method for cybercriminals to get monetary profit by encrypting victim information and requiring a ransom to get the information back. The primary ransomware target has always been information. When a victim has no backup of that information, he panics, forced to pay for its return.

Lucas Apa & Cesar Cerrudo
Blog | INSIGHTS | June 28, 2017

WannaCry vs. Petya: Keys to Ransomware Effectiveness

With WannaCry and now Petya we’re beginning to see how and why the new strain of ransomware worms are evolving and growing far more effective than previous versions. I think there are 3 main factors: Propagation, Payload, and Payment.* Propagation: You ideally want to be able to spread using as many different types of techniques as you can. Payload: Once you’ve infected the system you want to have a payload that encrypts properly, doesn’t have any easy bypass to decryption, and clearly indicates to the victim what they should do…

Daniel Miessler
Blog | INSIGHTS | March 22, 2016

Inside the IOActive Silicon Lab: Interpreting Images

In the post “Reading CMOS layout,” we discussed understanding CMOS layout in order to reverse-engineer photographs of a circuit to a transistor-level schematic. This was all well and good, but I glossed over an important (and often overlooked) part of the process: using the photos to observe and understand the circuit’s actual geometry. Optical Microscopy Let’s start with brightfield optical microscope imagery. (Darkfield microscopy is rarely used for semiconductor work.) Although reading lower metal layers on modern deep-submicron processes does usually require electron microscopy, optical microscopes still have their place…

Andrew Zonenberg