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General Security Discussions
What can be done about firmware rootkit?
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<blockquote data-quote="Victor M" data-source="post: 1112352" data-attributes="member: 96560"><p>Well</p><p></p><p>Not necessarily. It could be your modem is hacked. Then the adversary can do man-it-the-middle. That means he becomes the middle man of all your comings and goings on the net. He can capture your net traffic, inject things into your net traffic, modify it, give you bad downloads with malware. The possibilities just goes on and on. Basically he gets to know you really well, and know what software you download because you have been looking at that site several times. That's how he can slip in malware.</p><p></p><p>The way to see if this is true is to use nmap and scan your network, like so "nmap -O 192.168.0.0/16" . And do it at different times of the day because sometimes he may not be there.. If you see nmap showing you a PC's ip address that you don't own, you will now know that he has compromised your modem or router, and joined into your network.</p><p></p><p>The remedy for this situation if it is true is to get another modem and router. Or change ISP. Or try to see if updating the firmware or secure configuration helps or not. See this <a href="https://routersecurity.org/" target="_blank">Router Security</a> . And here;s a shorter piece on router security by Tom's Hardware <a href="https://www.tomsguide.com/us/home-router-security,news-19245.html" target="_blank">Your Router's Security Stinks: Here's How to Fix It.</a></p></blockquote><p></p>
[QUOTE="Victor M, post: 1112352, member: 96560"] Well Not necessarily. It could be your modem is hacked. Then the adversary can do man-it-the-middle. That means he becomes the middle man of all your comings and goings on the net. He can capture your net traffic, inject things into your net traffic, modify it, give you bad downloads with malware. The possibilities just goes on and on. Basically he gets to know you really well, and know what software you download because you have been looking at that site several times. That's how he can slip in malware. The way to see if this is true is to use nmap and scan your network, like so "nmap -O 192.168.0.0/16" . And do it at different times of the day because sometimes he may not be there.. If you see nmap showing you a PC's ip address that you don't own, you will now know that he has compromised your modem or router, and joined into your network. The remedy for this situation if it is true is to get another modem and router. Or change ISP. Or try to see if updating the firmware or secure configuration helps or not. See this [URL='https://routersecurity.org/']Router Security[/URL] . And here;s a shorter piece on router security by Tom's Hardware [URL='https://www.tomsguide.com/us/home-router-security,news-19245.html']Your Router's Security Stinks: Here's How to Fix It.[/URL] [/QUOTE]
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