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What is Malspam?
While online, we all have come up with the term spam, which is now quite a common term and is even being recognized by computers automatically now. Ranging from spam calls to spam emails, spammers are now seen everywhere, and we can't deny the fact that they are pretty annoying, but there is another threat caught in some spam, commonly known as Malspam.
What is Malspam?
Malspam is a type of spam email that contains a virus. Such emails contain infected attachments, phishing messages, or harmful URLs to fool consumers. It can be used to spread ransomware, trojans, bots, information thieves, crypto miners, spyware, and keyloggers, among other types of malware.
A successful malspam assault is launched by employing an obfuscation technique to bypass the spam email filters of the installed security product, allowing the malicious attachment to be opened by the user.
Attackers utilize social engineering techniques to make their malicious emails appear appealing or authentic.
The email usually comprises a link to a malicious Excel or Word file hosted on a server controlled by the threat actors and used to deliver the payload to the victim. They've also been seen sending emails that appear like document deliveries from services like DocuSign in the hopes of getting the victim to click the link.
The servers that house the harmful payloads employ tactics such as prohibiting known cyber security firms' IP addresses from accessing the threat actor's servers to prevent security firms from analyzing and tracing the malware.
The number of different varieties of viruses that can be emailed is unrestricted. However, there are a few things to consider −
Trojans / Bots – Ransomware
Information Stealers
Spyware / Hijackers
How to Keep Yourself Safe from Malspam?
Following are some of the warning signs that an email is malicious −
Check if the address matches the sender's name and that the company's domain is correct. If you look closely at the display names, you can tell if the email you received is authentic or not.
Hover over the links in the link first before clicking on them. This provides information about the URL's intended destination.
In the email's body, look for any spelling errors. This is a telling clue that the email is spam.
Never believe the offers/discounts advertised in emails. Always double-check by going to the official website.
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