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Thread: BackDoor Intrusion

  1. #11
    Join Date
    Jan 2011
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    Ubuntu 14.04 Trusty Tahr

    Re: BackDoor Intrusion

    Ubuntu can't make Yahoo! mail secure, man. Yahoo! can't make Yahoo! mail secure.
    I know I shouldn't use tildes for decoration, but they always make me feel at home~

  2. #12
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  3. #13
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    Nov 2014
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    Ubuntu 18.04 Bionic Beaver

    Re: BackDoor Intrusion

    I don't use Yahoo Mail but I can help. Have you tried using an alternative email client like Mozilla Thunderbird or something?

  4. #14
    Join Date
    Oct 2007
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    Yaffo
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    Ubuntu Development Release

    Re: BackDoor Intrusion

    Some of the responses are not to the point.
    Yes I am using gmail Now.

    as I wrote in Feb Since 16th of Jan 2015 My Ubuntu Computer has stopped recieving Yahoo e-mail as very Dangerous Bakdoor E-mail Sent in my Name.
    Still looking Complete Solution!
    This Cyber Attack offered some money loan. A friend of mine opened the mail and I guess caused it to spread like fire! Yahoo Blocked my Desktop Computer. This is still
    Causing a lot of Harm!
    Finally I suggested that Snappy needs Protection and A tool To Clean up the Mails.
    Thanks
    Uncle Sam
    Last edited by sam-c; May 8th, 2015 at 02:19 AM.

  5. #15
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    Re: BackDoor Intrusion

    Okay, so you're using Gmail, but aren't receiving any e-mails from Yahoo! addresses, because their servers have blacklisted you? But that still doesn't make any sense - your computer doesn't "receive" e-mail messages if you're using Gmail. The messages are stored on Gmail's server, and you can access them on any computer you can log into Gmail from. If Yahoo! has the ability to blacklist an external account of yours, it would be your Gmail account, having nothing to do with your computer at all. But I've never heard of this kind of blacklisting.

    All of the problems you're having are serverside. They don't happen on your computer, and the services don't care what computer you're using.

    You're also confused about Snappy. It's a blend of Ubuntu, nothing more or less, and the only difference from the .deb-based Ubuntu is in how packages are installed, run, and sandboxed. Right now, Snappy only exists for Ubuntu Server. It does not have anything to do with how your home computer communicates with the servers at Gmail or Yahoo!.
    I know I shouldn't use tildes for decoration, but they always make me feel at home~

  6. #16
    Join Date
    Jun 2007
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    Paraparaumu, New Zealand
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    Re: BackDoor Intrusion

    If an undesirable email has gone out in your name and which claims to be from your Yahoo email address, it doesn't automatically mean that your Yahoo account was compromised. It's quite possible (and surprisingly easy if you know how) for the sender details to be forged, faked and spoofed. The best way of determining if this has happened is by an analysis of the headers of the offending message(s).
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  7. #17
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    Re: BackDoor Intrusion

    Yeah, but he said his "computer" no longer "receives" messages from Yahoo!. I don't know what that means without further explanation, but that seems to be the problem he's trying to solve, not the original compromised account or spoofed e-mail.
    I know I shouldn't use tildes for decoration, but they always make me feel at home~

  8. #18
    Join Date
    Oct 2007
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    Yaffo
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    Ubuntu Development Release

    Re: BackDoor Intrusion

    I installed Wiley
    Thanks
    Uncle Sam

  9. #19
    Join Date
    Jun 2007
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    Re: BackDoor Intrusion

    Quote Originally Posted by Copper Bezel View Post
    Yeah, but he said his "computer" no longer "receives" messages from Yahoo!. I don't know what that means without further explanation, but that seems to be the problem he's trying to solve, not the original compromised account or spoofed e-mail.
    Quote Originally Posted by sam-c View Post
    I installed Wiley
    Thanks
    Uncle Sam
    Just a thought: it has been a while since I've set it, but there is an option within Yahoo mail's system that needs to be set to allow POP/IMAP access on your computer via an email client such as Thunderbird. I've also heard in the past that Yahoo sometimes liked people to have paid accounts for it to work.
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  10. #20
    Join Date
    Nov 2008
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    Boston MetroWest
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    Re: BackDoor Intrusion

    Quote Originally Posted by lisati View Post
    If an undesirable email has gone out in your name and which claims to be from your Yahoo email address, it doesn't automatically mean that your Yahoo account was compromised. It's quite possible (and surprisingly easy if you know how) for the sender details to be forged, faked and spoofed. The best way of determining if this has happened is by an analysis of the headers of the offending message(s).
    That's certainly true, but much less common now that Yahoo uses DMARC. Messages that simply forge the From: header will fail because they won't have a correlated entry at Yahoo.

    As someone who manages listservers, I've had a number of subscribers with Yahoo accounts that have been compromised. Usually the purpose is to grab the victim's address book and spam them with messages forged as From: the victim. Servers that don't rely on DMARC checks will deliver those.

    There used to be step-by-step videos at YouTube presenting methods to hijack Yahoo accounts. I don't know if there are any that still work.
    Last edited by SeijiSensei; May 11th, 2015 at 02:55 PM.
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