bytecode


FortiGuard Labs has put together answers to some of the most frequently asked questions you may have about the new emerging technology called WebAssembly (WA). What is WebAssembly? WebAssembly is a low-level, portable, binary format for the web that aims to speed up web apps. It is designed to parse faster (up to 20X), and execute faster than JavaScript (JS). When was it announced? The WebAssembly Community Group was created in April 2015, with the mission of “promoting early-stage cross-browser collaboration on a new, portable,... [Read More]
by RSS David Maciejak  |  Apr 13, 2017  |  Filed in: Security Research
This post is the second in a three part series. Click here for Part 1 and here for Part 3 Many Android talks on the 2nd day of VB2013! Actually, the importance of mobile threats is something everybody has observed here, and Helen Martin even started the conference mentioning the fact. What a difference compared to conferences 2 or 3 years ago! Rowland Yu - GinMaster : a case study in Android malware In America or Europe, people often tend to think that malware are only "important" if found in Google Play. Rowland however stated an important... [Read More]
by RSS Axelle Apvrille  |  Oct 11, 2013  |  Filed in: Security Research
Some time ago, I analyzed two similar samples of Android/Smsilence.A!tr.spy, a fake Vertu application that spies on its victim. One of the samples was targeting a Japanese audience, while the other sample was for Korean end-users. I was interested in finding their similarities (and differences). At (decompiled) source code level, I identified for instance a similarity: both samples check incoming SMS messages and download another payload if the message body contains the keyword 113, or deletes it if the SMS comes from 1588366. See below, identical... [Read More]
by RSS Axelle Apvrille  |  Jul 30, 2012  |  Filed in: Security Research