Dangers of Oracle Virtual Columns
Virtual Columns is a new feature of Oracle 11g. This feature allows to create table columns based on PL/SQL functions. While it’s useful it can be dangerous too.
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MyNav, a python plugin for IDA Pro
MyNav is an Open Source IDAPython plugin for the commercial disassembler IDA Pro to be released on July 2010. The plugin adds a lot of new features only available in other products like in the well known Zynamics BinNavi or HB Gary‘s Inspector. In this blog post I will show you some of the features available in the current version with some examples.
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A typical work day with DeepToad
Sometimes, I receive so many malware samples that it turns out to be imposible (or at least inhuman) to analyze all the samples by hand and I need to automate the typical (boring) tasks: Clusterization of the samples in smaller sets and initial (and superficial) analysis of the different samples. For the first task I created DeepToad, a tool to clusterize any kind of file using fuzzy hashing techniques.
Antiemulation Techniques (Malware Tricks II)
From time to time, when reversing malware, I find new antiemulation techniques as they are widely used by malware to evade detection by AVs that uses emulation, however, it seems that no one wrote about them maybe because there are a lot or, maybe, because they aren’t very interesting. Anyway, a friend and I decided to look for antiemulation techniques and we found a bunch of them in just about 2 days. Surprise. Well, the following is a list of antiemulation techniques “found” by us.
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