For example, the popular UPX packer renames all the sections to. Packers will often change the section names. There is software called ‘packers’ which compress PE files which can decompress themselves during runtime. Windows only cares about the entry-point and the permissions on the sections. This section shows that this file is using packer software. It also ignores Data Execution Prevention (DEP) which would allow for code execution from the Data Section in memory.įurthermore, moving down the menu along with other useful feature of PEstudio which shows different behavior of suspicious, file another important section is self-modification section. ASLR is a feature which simply loads an application into memory at a somewhat randomized preventing the ability to successfully perform a buffer overflow attack. This file ignores Address Space Layout Randomization (ASLR).
There are two items which indicates that the file is a malware. PeStudio has a list of indicators it uses to identify whether a file is worthy of suspicion beyond simply doing a VirusTotal lookup. In this assignment PEstudio and WinHEX are used to analyze/study the type of malware and to write rule for snort.įirst of all, I have selected a and did file analyses using PEstudio Each type of malware gathers information about the infected device without the knowledge, or authorization of the user. These may come in the form of viruses, worms, spyware, and Trojan horses. Malware code can differ radically, and it's essential to know that malware can have many functionalities. Malware analysis is the process of learning how malware functions and any potential repercussions of a given malware.
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