Someone just remotely entered my computer and start googling for things. How?











up vote
6
down vote

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The intruder started opening windows and in firefox opened the search prompt and start typing in some commands I didn't capture.



Then he opened Google and searched for:



&fs:ik &del ik &svcnost.exe &exit



What is this command?



How did someone get into my machine? In Windows this has never happened and this feels like a huge breach of security of my personal PC.



I've already went ahead and disabled remote desktop, but when it was enabled it clearly mentioned:



enter image description here



So does this mean that ANYBODY could have entered and messed with the machine? I set the option to notify me when someone entered otherwise I wouldn't have been the wiser.










share|improve this question
























  • Check your wireless settings and if you do not have any security enabled for it then set it to WPA2
    – scouser73
    May 9 '11 at 16:18






  • 2




    Why would you allow other users to control your desktop anyway, it's basically begging for trouble.
    – scouser73
    May 9 '11 at 16:20










  • @scouser73 Being on a well-secured wireless network doesn't protect you from others on the network (who you don't necessarily want to allow to remotely administer your computer just because you're on the same WLAN as them!). And being on an open wireless network does not expose you to this problem unless Remote Desktop is configured very insecurely, as is the case here. Changing wireless settings is often not a good solution, but your second comment (about how it's a bad idea to configure Remote Desktop like this) is spot-on.
    – Eliah Kagan
    Sep 1 '12 at 12:19















up vote
6
down vote

favorite












The intruder started opening windows and in firefox opened the search prompt and start typing in some commands I didn't capture.



Then he opened Google and searched for:



&fs:ik &del ik &svcnost.exe &exit



What is this command?



How did someone get into my machine? In Windows this has never happened and this feels like a huge breach of security of my personal PC.



I've already went ahead and disabled remote desktop, but when it was enabled it clearly mentioned:



enter image description here



So does this mean that ANYBODY could have entered and messed with the machine? I set the option to notify me when someone entered otherwise I wouldn't have been the wiser.










share|improve this question
























  • Check your wireless settings and if you do not have any security enabled for it then set it to WPA2
    – scouser73
    May 9 '11 at 16:18






  • 2




    Why would you allow other users to control your desktop anyway, it's basically begging for trouble.
    – scouser73
    May 9 '11 at 16:20










  • @scouser73 Being on a well-secured wireless network doesn't protect you from others on the network (who you don't necessarily want to allow to remotely administer your computer just because you're on the same WLAN as them!). And being on an open wireless network does not expose you to this problem unless Remote Desktop is configured very insecurely, as is the case here. Changing wireless settings is often not a good solution, but your second comment (about how it's a bad idea to configure Remote Desktop like this) is spot-on.
    – Eliah Kagan
    Sep 1 '12 at 12:19













up vote
6
down vote

favorite









up vote
6
down vote

favorite











The intruder started opening windows and in firefox opened the search prompt and start typing in some commands I didn't capture.



Then he opened Google and searched for:



&fs:ik &del ik &svcnost.exe &exit



What is this command?



How did someone get into my machine? In Windows this has never happened and this feels like a huge breach of security of my personal PC.



I've already went ahead and disabled remote desktop, but when it was enabled it clearly mentioned:



enter image description here



So does this mean that ANYBODY could have entered and messed with the machine? I set the option to notify me when someone entered otherwise I wouldn't have been the wiser.










share|improve this question















The intruder started opening windows and in firefox opened the search prompt and start typing in some commands I didn't capture.



Then he opened Google and searched for:



&fs:ik &del ik &svcnost.exe &exit



What is this command?



How did someone get into my machine? In Windows this has never happened and this feels like a huge breach of security of my personal PC.



I've already went ahead and disabled remote desktop, but when it was enabled it clearly mentioned:



enter image description here



So does this mean that ANYBODY could have entered and messed with the machine? I set the option to notify me when someone entered otherwise I wouldn't have been the wiser.







11.04 remote-desktop






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share|improve this question








edited May 28 '13 at 20:08









Mateo

7,24584871




7,24584871










asked May 9 '11 at 15:39









Only Bolivian Here

3,27771627




3,27771627












  • Check your wireless settings and if you do not have any security enabled for it then set it to WPA2
    – scouser73
    May 9 '11 at 16:18






  • 2




    Why would you allow other users to control your desktop anyway, it's basically begging for trouble.
    – scouser73
    May 9 '11 at 16:20










  • @scouser73 Being on a well-secured wireless network doesn't protect you from others on the network (who you don't necessarily want to allow to remotely administer your computer just because you're on the same WLAN as them!). And being on an open wireless network does not expose you to this problem unless Remote Desktop is configured very insecurely, as is the case here. Changing wireless settings is often not a good solution, but your second comment (about how it's a bad idea to configure Remote Desktop like this) is spot-on.
    – Eliah Kagan
    Sep 1 '12 at 12:19


















  • Check your wireless settings and if you do not have any security enabled for it then set it to WPA2
    – scouser73
    May 9 '11 at 16:18






  • 2




    Why would you allow other users to control your desktop anyway, it's basically begging for trouble.
    – scouser73
    May 9 '11 at 16:20










  • @scouser73 Being on a well-secured wireless network doesn't protect you from others on the network (who you don't necessarily want to allow to remotely administer your computer just because you're on the same WLAN as them!). And being on an open wireless network does not expose you to this problem unless Remote Desktop is configured very insecurely, as is the case here. Changing wireless settings is often not a good solution, but your second comment (about how it's a bad idea to configure Remote Desktop like this) is spot-on.
    – Eliah Kagan
    Sep 1 '12 at 12:19
















Check your wireless settings and if you do not have any security enabled for it then set it to WPA2
– scouser73
May 9 '11 at 16:18




Check your wireless settings and if you do not have any security enabled for it then set it to WPA2
– scouser73
May 9 '11 at 16:18




2




2




Why would you allow other users to control your desktop anyway, it's basically begging for trouble.
– scouser73
May 9 '11 at 16:20




Why would you allow other users to control your desktop anyway, it's basically begging for trouble.
– scouser73
May 9 '11 at 16:20












@scouser73 Being on a well-secured wireless network doesn't protect you from others on the network (who you don't necessarily want to allow to remotely administer your computer just because you're on the same WLAN as them!). And being on an open wireless network does not expose you to this problem unless Remote Desktop is configured very insecurely, as is the case here. Changing wireless settings is often not a good solution, but your second comment (about how it's a bad idea to configure Remote Desktop like this) is spot-on.
– Eliah Kagan
Sep 1 '12 at 12:19




@scouser73 Being on a well-secured wireless network doesn't protect you from others on the network (who you don't necessarily want to allow to remotely administer your computer just because you're on the same WLAN as them!). And being on an open wireless network does not expose you to this problem unless Remote Desktop is configured very insecurely, as is the case here. Changing wireless settings is often not a good solution, but your second comment (about how it's a bad idea to configure Remote Desktop like this) is spot-on.
– Eliah Kagan
Sep 1 '12 at 12:19










2 Answers
2






active

oldest

votes

















up vote
14
down vote



accepted










They got access because you had Remote Desktop enabled for some reason. You could do similar under Windows.



For security, no matter what OS you are running, do not allow incoming connections unless you know how to secure them, and then only allowing unprivileged usage limited to only those functions you need remote users to have.



svchost.exe is associated with a number of threats so your intruder may have been looking at popping it onto your machine. Of course it is a Windows executable so that wouldn't have impacted you on this Ubuntu box.






share|improve this answer























  • What will happen If he already installed wine ?
    – Tachyons
    Apr 25 '12 at 8:05










  • Isn't it called scvhost? i never heard about svcnost. as I know svchost.exe is a service layer script and can connect with any type of network without informing the user(that's why I use Comodo firewall, It can identify those actions) normally, windows have a single SVChost.exe running always. Please let me know if I am wrong
    – Prasad RD
    Apr 25 '12 at 10:42


















up vote
12
down vote













As you can see from your screenshot, you have explicitly allowed unconfirmed, passwordless login. All desktop sharing is disabled by default, and if you enable it, you must confirm each connection. As you unmarked the confirmation box, you granted access for all.



Security measures only works when they are enabled. The same would have happened if you granted access for all on a Windows box.






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    2 Answers
    2






    active

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    2 Answers
    2






    active

    oldest

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    votes






    active

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    votes








    up vote
    14
    down vote



    accepted










    They got access because you had Remote Desktop enabled for some reason. You could do similar under Windows.



    For security, no matter what OS you are running, do not allow incoming connections unless you know how to secure them, and then only allowing unprivileged usage limited to only those functions you need remote users to have.



    svchost.exe is associated with a number of threats so your intruder may have been looking at popping it onto your machine. Of course it is a Windows executable so that wouldn't have impacted you on this Ubuntu box.






    share|improve this answer























    • What will happen If he already installed wine ?
      – Tachyons
      Apr 25 '12 at 8:05










    • Isn't it called scvhost? i never heard about svcnost. as I know svchost.exe is a service layer script and can connect with any type of network without informing the user(that's why I use Comodo firewall, It can identify those actions) normally, windows have a single SVChost.exe running always. Please let me know if I am wrong
      – Prasad RD
      Apr 25 '12 at 10:42















    up vote
    14
    down vote



    accepted










    They got access because you had Remote Desktop enabled for some reason. You could do similar under Windows.



    For security, no matter what OS you are running, do not allow incoming connections unless you know how to secure them, and then only allowing unprivileged usage limited to only those functions you need remote users to have.



    svchost.exe is associated with a number of threats so your intruder may have been looking at popping it onto your machine. Of course it is a Windows executable so that wouldn't have impacted you on this Ubuntu box.






    share|improve this answer























    • What will happen If he already installed wine ?
      – Tachyons
      Apr 25 '12 at 8:05










    • Isn't it called scvhost? i never heard about svcnost. as I know svchost.exe is a service layer script and can connect with any type of network without informing the user(that's why I use Comodo firewall, It can identify those actions) normally, windows have a single SVChost.exe running always. Please let me know if I am wrong
      – Prasad RD
      Apr 25 '12 at 10:42













    up vote
    14
    down vote



    accepted







    up vote
    14
    down vote



    accepted






    They got access because you had Remote Desktop enabled for some reason. You could do similar under Windows.



    For security, no matter what OS you are running, do not allow incoming connections unless you know how to secure them, and then only allowing unprivileged usage limited to only those functions you need remote users to have.



    svchost.exe is associated with a number of threats so your intruder may have been looking at popping it onto your machine. Of course it is a Windows executable so that wouldn't have impacted you on this Ubuntu box.






    share|improve this answer














    They got access because you had Remote Desktop enabled for some reason. You could do similar under Windows.



    For security, no matter what OS you are running, do not allow incoming connections unless you know how to secure them, and then only allowing unprivileged usage limited to only those functions you need remote users to have.



    svchost.exe is associated with a number of threats so your intruder may have been looking at popping it onto your machine. Of course it is a Windows executable so that wouldn't have impacted you on this Ubuntu box.







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited Nov 30 at 14:40

























    answered May 9 '11 at 16:27









    Rory Alsop

    2,4732031




    2,4732031












    • What will happen If he already installed wine ?
      – Tachyons
      Apr 25 '12 at 8:05










    • Isn't it called scvhost? i never heard about svcnost. as I know svchost.exe is a service layer script and can connect with any type of network without informing the user(that's why I use Comodo firewall, It can identify those actions) normally, windows have a single SVChost.exe running always. Please let me know if I am wrong
      – Prasad RD
      Apr 25 '12 at 10:42


















    • What will happen If he already installed wine ?
      – Tachyons
      Apr 25 '12 at 8:05










    • Isn't it called scvhost? i never heard about svcnost. as I know svchost.exe is a service layer script and can connect with any type of network without informing the user(that's why I use Comodo firewall, It can identify those actions) normally, windows have a single SVChost.exe running always. Please let me know if I am wrong
      – Prasad RD
      Apr 25 '12 at 10:42
















    What will happen If he already installed wine ?
    – Tachyons
    Apr 25 '12 at 8:05




    What will happen If he already installed wine ?
    – Tachyons
    Apr 25 '12 at 8:05












    Isn't it called scvhost? i never heard about svcnost. as I know svchost.exe is a service layer script and can connect with any type of network without informing the user(that's why I use Comodo firewall, It can identify those actions) normally, windows have a single SVChost.exe running always. Please let me know if I am wrong
    – Prasad RD
    Apr 25 '12 at 10:42




    Isn't it called scvhost? i never heard about svcnost. as I know svchost.exe is a service layer script and can connect with any type of network without informing the user(that's why I use Comodo firewall, It can identify those actions) normally, windows have a single SVChost.exe running always. Please let me know if I am wrong
    – Prasad RD
    Apr 25 '12 at 10:42












    up vote
    12
    down vote













    As you can see from your screenshot, you have explicitly allowed unconfirmed, passwordless login. All desktop sharing is disabled by default, and if you enable it, you must confirm each connection. As you unmarked the confirmation box, you granted access for all.



    Security measures only works when they are enabled. The same would have happened if you granted access for all on a Windows box.






    share|improve this answer

























      up vote
      12
      down vote













      As you can see from your screenshot, you have explicitly allowed unconfirmed, passwordless login. All desktop sharing is disabled by default, and if you enable it, you must confirm each connection. As you unmarked the confirmation box, you granted access for all.



      Security measures only works when they are enabled. The same would have happened if you granted access for all on a Windows box.






      share|improve this answer























        up vote
        12
        down vote










        up vote
        12
        down vote









        As you can see from your screenshot, you have explicitly allowed unconfirmed, passwordless login. All desktop sharing is disabled by default, and if you enable it, you must confirm each connection. As you unmarked the confirmation box, you granted access for all.



        Security measures only works when they are enabled. The same would have happened if you granted access for all on a Windows box.






        share|improve this answer












        As you can see from your screenshot, you have explicitly allowed unconfirmed, passwordless login. All desktop sharing is disabled by default, and if you enable it, you must confirm each connection. As you unmarked the confirmation box, you granted access for all.



        Security measures only works when they are enabled. The same would have happened if you granted access for all on a Windows box.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered May 9 '11 at 16:28









        Egil

        10.5k23346




        10.5k23346






























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