Many of us are dependent on the computers and smart devices to complete our official, personal and household duties. The benefits are numerous but the threat posed by online fraudsters make it a scary place to venture without proper knowledge and protection. Cybercriminals create malicious programs called malware to rob legitimate users of their identity and other information.
The malicious programs help these unlawful people to succeed with their malicious intent. Since the time malicious attacks emerged, the good guys have been involved in finding ways to counter such attacks effectively and that paved the way for malware analysis and malware removal.
There are basically 2 types of malware analysis :
A basic static analysis is analyzing software without executing it. Basic static analysis is straightforward and can be quick, but it’s largely ineffective against sophisticated malware, and it can miss important behaviour. Advanced static analysis consists of reverse-engineering the malware binary by loading the executable into a disassembler like IDA to get assembly language source code from machine-executable code, we then look at the program to discover what the program does.
Some of the techniques use in static analysis is determining file type, strings encoded in the binary file, Check for file obfuscations in order to determine if the file has been packed or determine if they have used any cryptors), Hash and comparison, checking hash against multiple AV database.
The dynamic analysis runs malware to examine its behavior, learn its functionality and recognize technical indicators. When all these details are obtained, they are used in the detection signatures. The technical indicators exposed may comprise of IP addresses, domain names, file path locations, additional files, registry keys, found on the network or computer.
Additionally, it will identify and locate the communication with the attacker-controlled external server. The intention to do so may involve in zeroing in on the command and control purposes or to download additional malware files. This can be related to many of the common dynamic malware or automated sandbox analysis engines perform today.
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