How do viruses transfer via USB?

I have had an encounter with the paint virus and I noticed it infects OS files in order to target .exe files(it changes an original .exe file to a hidden OS file and renames with a ‘v’ before the initial name and then names a 899KB size of itself as the original .exe for the user to click).

I was able to get rid of it via my anti-virus (probably the part of it that got bound to my OS) but I wasn’t able to undo all the renaming it did to all .exe files on my PC plus the tiny 899KB fakes. I finally wrote a script to delete and do a re-rename.

The other day I was trying to pick a file from a USB flashdrive and I saw the paint virus file (configured my file explorer to always show all hidden files including protected OS files) and permanently deleted it like any other file.

How did this hidden paint virus file hope to get itself copied or transferred to my system without being selected by me from the USB drive when copying other files from it suppose I didn’t delete it?

How do I transfer my Keyring from my old lubuntu machine to ElementaryOS?

My lubuntu SSD is too small for my needs so I want to replace it with a larger one. While I’m at it, and before I fully commit to the switch, I want to try out ElementaryOS, with my lubuntu SSD added as an external drive to allow me to get access to my files.

I figure there are three main tasks I will need to perform in order to fully test the OS.:

1) transfer all my passwords (ie. the keyring)

2) transfer all my mail (I’ll be using kontact on both machines)

3) transfer my keys/certificates(?terminology?) so that files encrypted with gpg can be decrypted.

I’d appreciate any instructions on how to do this.

BTW. Kontact 5.7.3’s PIM Setting Exporter is a disaster. It saved 3.6GB of data into a Zip file which I can manually explore and verify the email is there, but when I tried to use PIM Setting Exporter to restore the email, it had me manually create my folders, did not put any mail in them, copied none of my email account settings over and did not copy my Contacts data. There has to be an easier way.

How do I transfer my Keyring from my old lubuntu machine to ElementaryOS?

My lubuntu SSD is too small for my needs so I want to replace it with a larger one. While I’m at it, and before I fully commit to the switch, I want to try out ElementaryOS, with my lubuntu SSD added as an external drive to allow me to get access to my files.

I figure there are three main tasks I will need to perform in order to fully test the OS.:

1) transfer all my passwords (ie. the keyring)

2) transfer all my mail (I’ll be using kontact on both machines)

3) transfer my keys/certificates(?terminology?) so that files encrypted with gpg can be decrypted.

I’d appreciate any instructions on how to do this.

BTW. Kontact 5.7.3’s PIM Setting Exporter is a disaster. It saved 3.6GB of data into a Zip file which I can manually explore and verify the email is there, but when I tried to use PIM Setting Exporter to restore the email, it had me manually create my folders, did not put any mail in them, copied none of my email account settings over and did not copy my Contacts data. There has to be an easier way.

How can I transfer an office 365 domain to a different tenant keeping the users’ OneDrive files?

I registered user@mydomain.com with office 365 and registered the custom domain mydomain.com.

After doing this, I noticed that several users with the same domain had previously registered, thus automatically creating a tenant, the same tenant I have been put into.

Those users have put several files on OneDrive.

my situation now is:

tenant: mydomaincom.onmicrosoft.com   added domain: mydomain.com   admin user: user@mydomain.com   other users: user1@mydomain.com, user2@mydomain.com (use OneDrive files) 

Now I’d like to move the domain to another tenant, but I need to do this without deleting or changing the username of any of the existing users.

This is what I’d like to achieve:

tenant: newdomaincom.onmicrosoft.com   added domain: mydomain.com     admin user: user@newdomain.com   other users: user1@mydomain.com, user2@mydomain.com (keep OneDrive files) 

Cannot transfer files to iPhone with libimobiledevice

I’m running Ubuntu 18.04 and am not able transfer files from my PC to my iPhone using libimobiledevice. Any file I attempt to transfer to my iPhone gets stuck at 0 bytes / X bytes – approximately 596,523 hours le………

I’ve tried with different files of varying sizes and none of them work. I’ve had similar issues with USB file transfer, but usually after waiting the transfer will eventually complete. The application I am attempting to transfer to is VLC. I’m aware that there is a WiFi sharing option within VLC and have been using that in the meantime.

What prevents malicious servers from spoofing mail transfer agents and/or mail delivery agents?

An email system typically consists of multiple agents:

  • Mail user agent (MUA)
  • Mail submission agent (MSA)
  • Mail tranfer agent (MTA)
  • Mail delivery agent (MDA)

Mail agent netword

Evidently the ‘middlemen’ of this system are a spoofing risk. (Technically the endpoints could also be a spoof risk, but let’s assume in this case that the end users are genuine.)

What methods are used/can be used to protect against these ‘middlemen’ agents being spoofed?

I’ve thought about it myself and the only answer I can come up with is that DNS might provide some sort of limited authentication, though DNS spoofing would still be a risk.


(Image is CC BY-SA 3.0, © Ale2006-from-en.)

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