MALWARE
Vaibhav Ruparel
C | C++ | Java | DSA | Networking | Linux | Cyber Security | SOC Analyst | SIEM | OSINT | Digital Forensics
-> Malware is developed as harmful software that invades or corrupts your computer network. The goal of malware is to steal information or resources for monetary gain or sheer sabotage intent.
-> Focus on preventative tools to stop breaches. By securing the perimeter, businesses assume they are safe. However, some advanced malware will eventually make their way into your network. As a result, it is crucial to deploy technologies that continually monitor and detect malware that has evaded perimeter defenses. Sufficient advanced malware protection requires multiple layers of safeguards along with high-level network visibility and intelligence.
-> Malware will inevitably penetrate your network. You must have defenses that provide significant visibility and breach detection. To remove malware, you must be able to identify malicious actors quickly. This requires constant network scanning. Once the threat is identified, you must remove the malware from your network. Today's antivirus products are not enough to protect against advanced cyberthreats.
-> 1) Virus: - Viruses are a subgroup of malware. A virus is malicious software attached to a document or file that supports macros to execute its code and spread from host to host.
2) Worms: - A worm is a type of malicious software that rapidly replicates and spreads to any device within the network. Unlike viruses, worms do not need host programs to disseminate.
3) Spyware: - Spyware is used to steal financial or personal information. A specific type of spyware is a keylogger, which records your keystrokes to reveal passwords and personal information.
4) Trojan: - Trojan viruses are disguised as helpful software programs. But once the user downloads it, the Trojan virus can gain access to sensitive data and then modify, block, or delete the data.
5) Adware: - Adware is malicious software used to collect data on your computer usage and provide appropriate advertisements to you. While adware is not always dangerous, in some cases adware can cause issues for your system.
6) Ransomware: - Ransomware is malicious software that gains access to sensitive information within a system, encrypts that information so that the user cannot access it, and then demands a financial payout for the data to be released.
7) Fileless Malware: - Fileless malware is a type of memory-resident malware. As the term suggests, it is malware that operates from a victim's computer's memory, not from files on the hard drive. Because there are no files to scan, it is harder to detect than traditional malware.
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