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  3. Not sure who needs to know this, but if you download and install the Windows version of Rufus, the free software for writing ISO images to USB/CD-ROM, your PC will end up with about 100 trojans.

Not sure who needs to know this, but if you download and install the Windows version of Rufus, the free software for writing ISO images to USB/CD-ROM, your PC will end up with about 100 trojans.

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  • nazokiyoubinbou@urusai.socialN This user is from outside of this forum
    nazokiyoubinbou@urusai.socialN This user is from outside of this forum
    nazokiyoubinbou@urusai.social
    wrote sidst redigeret af
    #107

    @bms @briankrebs Correct, it can be run portable without installation with zero problems. There is no benefit to installing it beyond that it makes a convenient icon in the start menu for people who don't know how to do that themselves (though I suspect the Venn diagram of those who know how to use Rufus' USB creator and those who can't create a shortcut is... not very overlapping...)

    I'm definitely getting vibes that the site has been taken over and the uploads modified.

    Actually, to the OP, did you check versus the github's uploads to see if they also have the trojans? I saw someone mentioning the github, but I didn't see whether you tried it or not.

    Though I still agree with those who say Ventoy is better these days. (Also Ventoy has other OS builds too.)

    U 1 Reply Last reply
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    • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

      I didn't realize how strong a community Rufus has. Please don't shoot the messenger.

      rpmik@avgeek.socialR This user is from outside of this forum
      rpmik@avgeek.socialR This user is from outside of this forum
      rpmik@avgeek.social
      wrote sidst redigeret af
      #108

      @briankrebs sounds like the five stages of grief

      1 Reply Last reply
      0
      • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

        @InvertedLina all nuked

        invertedlina@infosec.exchangeI This user is from outside of this forum
        invertedlina@infosec.exchangeI This user is from outside of this forum
        invertedlina@infosec.exchange
        wrote sidst redigeret af
        #109

        @briankrebs Thanks. I'm running Rufus 4.15.2396, pulled from Github via the link on the rufus dot ie page. Writing a Win11 x64 ISO out to USB in a VM. It failed the USB write, but my USB drive might also be flakey.

        swade2569@masto.swader.socialS 1 Reply Last reply
        0
        • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

          Not sure who needs to know this, but if you download and install the Windows version of Rufus, the free software for writing ISO images to USB/CD-ROM, your PC will end up with about 100 trojans.

          Edit: The site I downloaded from was rufus[.]ie which is apparently the official site. During installation, the software threw up a couple of rather verbose messages saying it needed to download additional components.

          janggolan@mastodon.socialJ This user is from outside of this forum
          janggolan@mastodon.socialJ This user is from outside of this forum
          janggolan@mastodon.social
          wrote sidst redigeret af
          #110

          @briankrebs haven't used rufus or cd installs in awhile so thanks for the warning!

          1 Reply Last reply
          0
          • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

            I didn't realize how strong a community Rufus has. Please don't shoot the messenger.

            m3t00@app.wafrn.netM This user is from outside of this forum
            m3t00@app.wafrn.netM This user is from outside of this forum
            m3t00@app.wafrn.net
            wrote sidst redigeret af
            #111

            @briankrebs@infosec.exchange

            it's the first thing Ubuntu tells you to do for those on windows. hope they fix it quick. read it was aided by a compromised .dll, of course. static compile should eliminate that.

            1 Reply Last reply
            0
            • S This user is from outside of this forum
              S This user is from outside of this forum
              snornik@techhub.social
              wrote sidst redigeret af
              #112

              @snep @jordinki @briankrebs

              Well if you check the process graph. there are registry modifying calls.. (i did not crosscheck the results, only seen from the provided link) which by itself would already be a bad sign. i still have the last version i used and there this is not the case. and also i don't allow outgoing connections by default, and would see them and there are none in the old version. so maybe something changed lately.

              U 1 Reply Last reply
              0
              • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

                Not sure who needs to know this, but if you download and install the Windows version of Rufus, the free software for writing ISO images to USB/CD-ROM, your PC will end up with about 100 trojans.

                Edit: The site I downloaded from was rufus[.]ie which is apparently the official site. During installation, the software threw up a couple of rather verbose messages saying it needed to download additional components.

                briankrebs@infosec.exchangeB This user is from outside of this forum
                briankrebs@infosec.exchangeB This user is from outside of this forum
                briankrebs@infosec.exchange
                wrote sidst redigeret af
                #113

                Is it ironic that your Windoze PC gets infected while trying to download a file that allows you to write an installable Linux ISO? I think very much so and I'm still LOLing about it.

                redoct@infosec.townR mcpinson@mas.toM bot4sale@fairdinkum.oneB vnangia@mastodon.socialV S 8 Replies Last reply
                0
                • S snornik@techhub.social

                  @snep @jordinki @briankrebs

                  Well if you check the process graph. there are registry modifying calls.. (i did not crosscheck the results, only seen from the provided link) which by itself would already be a bad sign. i still have the last version i used and there this is not the case. and also i don't allow outgoing connections by default, and would see them and there are none in the old version. so maybe something changed lately.

                  U This user is from outside of this forum
                  U This user is from outside of this forum
                  umby995@mastodon.social
                  wrote sidst redigeret af
                  #114

                  @snornik @snep @jordinki @briankrebs the "standard" version stores its settings in the registry

                  S 1 Reply Last reply
                  0
                  • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

                    Is it ironic that your Windoze PC gets infected while trying to download a file that allows you to write an installable Linux ISO? I think very much so and I'm still LOLing about it.

                    redoct@infosec.townR This user is from outside of this forum
                    redoct@infosec.townR This user is from outside of this forum
                    redoct@infosec.town
                    wrote sidst redigeret af
                    #115

                    @briankrebs
                    I know you probably know, but for anyone else, I've always used Balena Etcher and never had issues.

                    S 1 Reply Last reply
                    0
                    • nazokiyoubinbou@urusai.socialN nazokiyoubinbou@urusai.social

                      @bms @briankrebs Correct, it can be run portable without installation with zero problems. There is no benefit to installing it beyond that it makes a convenient icon in the start menu for people who don't know how to do that themselves (though I suspect the Venn diagram of those who know how to use Rufus' USB creator and those who can't create a shortcut is... not very overlapping...)

                      I'm definitely getting vibes that the site has been taken over and the uploads modified.

                      Actually, to the OP, did you check versus the github's uploads to see if they also have the trojans? I saw someone mentioning the github, but I didn't see whether you tried it or not.

                      Though I still agree with those who say Ventoy is better these days. (Also Ventoy has other OS builds too.)

                      U This user is from outside of this forum
                      U This user is from outside of this forum
                      umby995@mastodon.social
                      wrote sidst redigeret af
                      #116

                      @nazokiyoubinbou @bms @briankrebs to my knowledge it doesn't even offer an installer. the only difference between the "standard" and "portable" versions is that the executable checks if it has the letter "p" in the filename. if it does not, then it stores its settings in the registry and if it does, then it uses a file called rufus.ini in the directory it was started from.

                      1 Reply Last reply
                      0
                      • U umby995@mastodon.social

                        @snornik @snep @jordinki @briankrebs the "standard" version stores its settings in the registry

                        S This user is from outside of this forum
                        S This user is from outside of this forum
                        snornik@techhub.social
                        wrote sidst redigeret af
                        #117

                        @umby995 @snep @jordinki @briankrebs

                        yeah and it stores it in:
                        HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\{0DD0E83D-B8CC-4015-B164-66137069CC91}Machine\Software\Policies\Microsoft\Windows Defender\Real-Time Protection

                        edit: i mean again i did not crosscheck but please (at least) read the report before stating something

                        U 1 Reply Last reply
                        0
                        • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

                          Not sure who needs to know this, but if you download and install the Windows version of Rufus, the free software for writing ISO images to USB/CD-ROM, your PC will end up with about 100 trojans.

                          Edit: The site I downloaded from was rufus[.]ie which is apparently the official site. During installation, the software threw up a couple of rather verbose messages saying it needed to download additional components.

                          pseudonym@mastodon.onlineP This user is from outside of this forum
                          pseudonym@mastodon.onlineP This user is from outside of this forum
                          pseudonym@mastodon.online
                          wrote sidst redigeret af
                          #118

                          @briankrebs

                          Think I pulled down Rufus a couple of months back for a one off. Don't recall where I got it from, but didn't notice any untoward behavior, so possibly a more recent compromise?

                          1 Reply Last reply
                          0
                          • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

                            Is it ironic that your Windoze PC gets infected while trying to download a file that allows you to write an installable Linux ISO? I think very much so and I'm still LOLing about it.

                            mcpinson@mas.toM This user is from outside of this forum
                            mcpinson@mas.toM This user is from outside of this forum
                            mcpinson@mas.to
                            wrote sidst redigeret af
                            #119

                            @briankrebs
                            Surely, the conspiracy isn't that deep. 😆

                            1 Reply Last reply
                            0
                            • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

                              @jordinki thank god! the Internet gods DO exist!

                              splinux@mastodon.unoS This user is from outside of this forum
                              splinux@mastodon.unoS This user is from outside of this forum
                              splinux@mastodon.uno
                              wrote sidst redigeret af
                              #120

                              @briankrebs @jordinki it's Gods all the way down.

                              1 Reply Last reply
                              0
                              • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

                                Not sure who needs to know this, but if you download and install the Windows version of Rufus, the free software for writing ISO images to USB/CD-ROM, your PC will end up with about 100 trojans.

                                Edit: The site I downloaded from was rufus[.]ie which is apparently the official site. During installation, the software threw up a couple of rather verbose messages saying it needed to download additional components.

                                xavianfox@hear-me.socialX This user is from outside of this forum
                                xavianfox@hear-me.socialX This user is from outside of this forum
                                xavianfox@hear-me.social
                                wrote sidst redigeret af
                                #121

                                @briankrebs I think the message here is that Windows is bad, and Rufus is bad.

                                Just use GNU+Linux with the dd command guys. Lol

                                1 Reply Last reply
                                0
                                • gerdesj@mastodonapp.ukG gerdesj@mastodonapp.uk

                                  @briankrebs

                                  Its very likely that Secure Boot is kicking in. A Windows .iso written to a USB stick will pass, as will Debian, Ubuntu and a few other Linux distros. VMware ESXi and Proxmox will also pass.

                                  At the boot stage, that is not a Windows PC - its just a PC!

                                  To be honest if you are not sure exactly what is what, then Secure Boot is a good thing.

                                  S This user is from outside of this forum
                                  S This user is from outside of this forum
                                  sbrudenell@mastodon.social
                                  wrote sidst redigeret af
                                  #122

                                  @gerdesj @briankrebs lol mansplaining secure boot to brian krebs HAHAHAHA

                                  1 Reply Last reply
                                  0
                                  • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

                                    Not sure who needs to know this, but if you download and install the Windows version of Rufus, the free software for writing ISO images to USB/CD-ROM, your PC will end up with about 100 trojans.

                                    Edit: The site I downloaded from was rufus[.]ie which is apparently the official site. During installation, the software threw up a couple of rather verbose messages saying it needed to download additional components.

                                    mrmhiggy@mastodon.socialM This user is from outside of this forum
                                    mrmhiggy@mastodon.socialM This user is from outside of this forum
                                    mrmhiggy@mastodon.social
                                    wrote sidst redigeret af
                                    #123

                                    @briankrebs

                                    Well crap

                                    1 Reply Last reply
                                    0
                                    • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

                                      Not sure who needs to know this, but if you download and install the Windows version of Rufus, the free software for writing ISO images to USB/CD-ROM, your PC will end up with about 100 trojans.

                                      Edit: The site I downloaded from was rufus[.]ie which is apparently the official site. During installation, the software threw up a couple of rather verbose messages saying it needed to download additional components.

                                      csolisr@hub.azkware.netC This user is from outside of this forum
                                      csolisr@hub.azkware.netC This user is from outside of this forum
                                      csolisr@hub.azkware.net
                                      wrote sidst redigeret af
                                      #124
                                      There's a good reason why I go with Ventoy nowadays. Besides of the "just drop the ISO and the USB will multiboot it" convenience
                                      1 Reply Last reply
                                      0
                                      • briankrebs@infosec.exchangeB briankrebs@infosec.exchange

                                        @ajn142 @sindarina yes. I'm guessing supply chain hack. i have no data to support that, though.

                                        kiwiapple87@mstdn.socialK This user is from outside of this forum
                                        kiwiapple87@mstdn.socialK This user is from outside of this forum
                                        kiwiapple87@mstdn.social
                                        wrote sidst redigeret af
                                        #125

                                        @briankrebs @ajn142 @sindarina

                                        I downloaded Rufus about a week and a half ago and I didn't notice anything suspicious, but do you know how I would check to see if I was compromised?

                                        Thanks

                                        briankrebs@infosec.exchangeB 1 Reply Last reply
                                        0
                                        • kiwiapple87@mstdn.socialK kiwiapple87@mstdn.social

                                          @briankrebs @ajn142 @sindarina

                                          I downloaded Rufus about a week and a half ago and I didn't notice anything suspicious, but do you know how I would check to see if I was compromised?

                                          Thanks

                                          briankrebs@infosec.exchangeB This user is from outside of this forum
                                          briankrebs@infosec.exchangeB This user is from outside of this forum
                                          briankrebs@infosec.exchange
                                          wrote sidst redigeret af
                                          #126

                                          @kiwiapple87 @ajn142 @sindarina You would likely notice on a recent model Windows PC b/c Windows Defender would go apeshit after you click yes to their prompt for installing more software.

                                          kiwiapple87@mstdn.socialK 1 Reply Last reply
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