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Strange screensaver : known screensaver or possible threat?


Maze screensaver on old Unix computersConsole ScreenSaver without X11What's keeping my screensaver from activating?Starting screensaver from terminalgnome-screensaver or xscreensaver is better regarding security?Detect if screensaver is activeConfigure Splitflap screensaverScreensaver in the ShellDim screen before screensaverHow can I install asciiquarium as a screensaver?













3















For the first single time I just had to log twice from the screensaver, and the second login screen was unusual.



I am running XFCE 4.12 on Slackware 14.1, with xcreensaver 5.40.



The first login screen to exit the screensaver was normal. However, the screen then became black, and when I moved the mouse or typed a key it became white with a black square and some text saying something like




Blank screensaver, enter your password to login or click the icon to lock




along with the machine name.



However I cannot find any "blank screensaver" in xscreensaver's list, and it didn't look like an xscreensaver anyway (no login box, the login form took the whole screen).



Is such a screensaver known ? And could I have triggered its shortcut with random keys ? Call me paranoid, but I wonder if it might be some keylogger…










share|improve this question




























    3















    For the first single time I just had to log twice from the screensaver, and the second login screen was unusual.



    I am running XFCE 4.12 on Slackware 14.1, with xcreensaver 5.40.



    The first login screen to exit the screensaver was normal. However, the screen then became black, and when I moved the mouse or typed a key it became white with a black square and some text saying something like




    Blank screensaver, enter your password to login or click the icon to lock




    along with the machine name.



    However I cannot find any "blank screensaver" in xscreensaver's list, and it didn't look like an xscreensaver anyway (no login box, the login form took the whole screen).



    Is such a screensaver known ? And could I have triggered its shortcut with random keys ? Call me paranoid, but I wonder if it might be some keylogger…










    share|improve this question


























      3












      3








      3








      For the first single time I just had to log twice from the screensaver, and the second login screen was unusual.



      I am running XFCE 4.12 on Slackware 14.1, with xcreensaver 5.40.



      The first login screen to exit the screensaver was normal. However, the screen then became black, and when I moved the mouse or typed a key it became white with a black square and some text saying something like




      Blank screensaver, enter your password to login or click the icon to lock




      along with the machine name.



      However I cannot find any "blank screensaver" in xscreensaver's list, and it didn't look like an xscreensaver anyway (no login box, the login form took the whole screen).



      Is such a screensaver known ? And could I have triggered its shortcut with random keys ? Call me paranoid, but I wonder if it might be some keylogger…










      share|improve this question
















      For the first single time I just had to log twice from the screensaver, and the second login screen was unusual.



      I am running XFCE 4.12 on Slackware 14.1, with xcreensaver 5.40.



      The first login screen to exit the screensaver was normal. However, the screen then became black, and when I moved the mouse or typed a key it became white with a black square and some text saying something like




      Blank screensaver, enter your password to login or click the icon to lock




      along with the machine name.



      However I cannot find any "blank screensaver" in xscreensaver's list, and it didn't look like an xscreensaver anyway (no login box, the login form took the whole screen).



      Is such a screensaver known ? And could I have triggered its shortcut with random keys ? Call me paranoid, but I wonder if it might be some keylogger…







      screensaver






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited yesterday







      Skippy le Grand Gourou

















      asked yesterday









      Skippy le Grand GourouSkippy le Grand Gourou

      1,1501122




      1,1501122




















          1 Answer
          1






          active

          oldest

          votes


















          0














          Read the manpage: https://www.jwz.org/xscreensaver/man1.html



          Or type



          man 1 xscreensaver


          Search for blank - I found it almost immediately under the mode option.



           blank When blanking the screen, just go black: don't run any graphics hacks.


          Enjoy the other, prettier hacks!






          share|improve this answer


















          • 1





            I felt dumb for a minute, but after testing this mode doesn't seem to correspond to my issue : the password prompt is the same GUI box as with other xscreensavers.

            – Skippy le Grand Gourou
            18 hours ago










          Your Answer








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          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          0














          Read the manpage: https://www.jwz.org/xscreensaver/man1.html



          Or type



          man 1 xscreensaver


          Search for blank - I found it almost immediately under the mode option.



           blank When blanking the screen, just go black: don't run any graphics hacks.


          Enjoy the other, prettier hacks!






          share|improve this answer


















          • 1





            I felt dumb for a minute, but after testing this mode doesn't seem to correspond to my issue : the password prompt is the same GUI box as with other xscreensavers.

            – Skippy le Grand Gourou
            18 hours ago















          0














          Read the manpage: https://www.jwz.org/xscreensaver/man1.html



          Or type



          man 1 xscreensaver


          Search for blank - I found it almost immediately under the mode option.



           blank When blanking the screen, just go black: don't run any graphics hacks.


          Enjoy the other, prettier hacks!






          share|improve this answer


















          • 1





            I felt dumb for a minute, but after testing this mode doesn't seem to correspond to my issue : the password prompt is the same GUI box as with other xscreensavers.

            – Skippy le Grand Gourou
            18 hours ago













          0












          0








          0







          Read the manpage: https://www.jwz.org/xscreensaver/man1.html



          Or type



          man 1 xscreensaver


          Search for blank - I found it almost immediately under the mode option.



           blank When blanking the screen, just go black: don't run any graphics hacks.


          Enjoy the other, prettier hacks!






          share|improve this answer













          Read the manpage: https://www.jwz.org/xscreensaver/man1.html



          Or type



          man 1 xscreensaver


          Search for blank - I found it almost immediately under the mode option.



           blank When blanking the screen, just go black: don't run any graphics hacks.


          Enjoy the other, prettier hacks!







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered yesterday









          RichRich

          367212




          367212







          • 1





            I felt dumb for a minute, but after testing this mode doesn't seem to correspond to my issue : the password prompt is the same GUI box as with other xscreensavers.

            – Skippy le Grand Gourou
            18 hours ago












          • 1





            I felt dumb for a minute, but after testing this mode doesn't seem to correspond to my issue : the password prompt is the same GUI box as with other xscreensavers.

            – Skippy le Grand Gourou
            18 hours ago







          1




          1





          I felt dumb for a minute, but after testing this mode doesn't seem to correspond to my issue : the password prompt is the same GUI box as with other xscreensavers.

          – Skippy le Grand Gourou
          18 hours ago





          I felt dumb for a minute, but after testing this mode doesn't seem to correspond to my issue : the password prompt is the same GUI box as with other xscreensavers.

          – Skippy le Grand Gourou
          18 hours ago

















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