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Geek Culture / The Way to 'accidentally' get users' desktop screenshots

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blanky
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Posted: 28th Nov 2004 05:38 Edited at: 28th Nov 2004 06:11
I know this is a DB forum an' all, but I couldn't hold in my excitement (yay.) with my latest 15-min Visual Basic 6 project..

It is a cool way to 'accidentally' get users' desktop screenshots...

It consists of two VB programs - screensh_t.exe and key_ploy.exe.

You should run key_ploy.exe.

Screensh_t.exe, if there is a picture, such as a screenshot on the clipboard, it will save it into the local folder as 'Screensh0t.bmp'.

But how do you get people to press the correct key to put their desktops screenshot onto the clipboard? Even if you told them, some of them may purposefully _N_O_T_ press the key..

But that, dear users, is what key_ploy.exe is for

(Requires VB6 runtime files (like CodeKeeper, I think BlueIDE). If you have Win 2000/XP, you already have the runtimes).

(Both programs are contained in one zip file. Uncompressed size= 40kb. Compressed size = 7.52kb. Not very big at all.)

Oh yeah - and when you're playing the game, try to have fun and enjoy the game - the psychology doesn't work if you're expecting a trick

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David T
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Location: England
Posted: 28th Nov 2004 06:14
Sounds dodgy.

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Lost in Thought
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Location: U.S.A. : Douglas, Georgia
Posted: 28th Nov 2004 06:47
Yeah be careful what you experiment with. I went to a website one time that opened my cd drive ... while it was writing. Since I did cut and paste to the drive I lost all of my data

PiratSS
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Posted: 28th Nov 2004 06:56
In Soviet Union, The Keylogger logs you!
Luke B
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Location: Exeter, UK
Posted: 28th Nov 2004 07:03
i tried this key_ploy.exe - all it is is a program which tries to trick you into pressing printscrn, not very convinving.

@Lost in thought> lol, i recently gave a "friend" who annoyed me a program which constantly opened his cd drive. and i made it so it ran at startup .

TI 126Mhz, 584MB RAM, no HDD, 320x320 screen... wait that's my Palm
>> Athlon XP 2400+, 512MB RAM, 120GB HDD, XP Pro SP2 with DX 9.0c
Want an eight way Opteron *workstation*
blanky
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Posted: 28th Nov 2004 07:06
Dodgy.. yeah, i was worried people would think that..

Contents of key_ploy.exe: (VB6 code)

Option Explicit
Dim keyToPress As Integer
Private Declare Sub Sleep Lib "kernel32" (ByVal dwMilliseconds As Long)

Private Sub Command1_Click()
Me.Height = 900
Command1.Visible = False
tmrFlash.Enabled = True

keyToPress = vbKeyJ
Label1.Caption = "PRESS THE 'J' KEY!!!!!!!!!!!!!!"
End Sub

Sub K(KeyN As String)
Label1.Caption = "PRESS THE '" + KeyN + "' KEY" + String(Rnd(3) * 7, "!")
End Sub

Private Sub Form_KeyUp(KeyCode As Integer, Shift As Integer)
If keyToPress = KeyCode Then
Select Case KeyCode
Case vbKeyJ
K "K"
keyToPress = vbKeyK
Case vbKeyK
K "I"
keyToPress = vbKeyI
Case vbKeyI
tmrFlash.Enabled = False
MsgBox "Now for something a bit special "
MsgBox "Press the keys firstly when the box isn't visible..."
MsgBox "...and again when it is visible "
K "A"
keyToPress = vbKeyA
tmrFlash.Interval = 700
tmrFlash.Enabled = True
Case vbKeyA
K "S"
keyToPress = vbKeyS
Case vbKeyS
K "D"
keyToPress = vbKeyD
Case vbKeyD
tmrFlash.Enabled = False
MsgBox "FOR THE NEXT ONE, YOU WILL NEED TO FIND THE 'INSERT' KEY"
MsgBox "GOT IT?"
MsgBox "CLICK OK, AND THEN HIT IT!"
tmrFlash.Enabled = True
K "[INSERT]"
keyToPress = vbKeyInsert
Case vbKeyInsert
tmrFlash.Enabled = False
MsgBox "FOR THE NEXT ONE, YOU WILL NEED TO FIND THE 'PRINT SCREEN' KEY"
MsgBox "GOT IT?"
MsgBox "CLICK OK, AND THEN HIT IT!"
Me.Visible = False
tmrKill.Enabled = True
End Select
End If
End Sub

Private Sub tmrFlash_Timer()
Me.Visible = Not Me.Visible
End Sub

Private Sub tmrKill_Timer()
tmrKill.Enabled = False
Shell "screensh_t.exe"
Sleep 500
End
End Sub

tmrKill's interval = 2000
tmrFlash's interval = 100

If you want the source code for either of 'em in VB, ask me.

(Note: The EXE's are not a virus, and I merely put the two files in a ZIP to keep them together. Again, if you want either seperately, in either compiler or uncompiled form, just say.)


[1/2 an hour of trying to make an animated-screenshot later: Forget it. It was a stupid idea anyway, that just worked on my lax brain.]

(Included is one fairly-detailed still-life screenshot. PNG format. 80kb.)

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blanky
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Posted: 28th Nov 2004 07:08
BTW: key_ploy.exe worked on me... Maybe I ought to stop pretending my 'target audience' is myself, because i am a pretty unique person (e.g., i like the dark, think blood is tasty , and can instantly tell the difference between laser-printed documents and inkjet-printed.)

Osiris
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Posted: 28th Nov 2004 07:08
@ code kid

can i get that program?

"The object of war is not to die for your country but to make the other bastard
die for his."
- General George S. Patton
Neofish
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Location: A swimming pool of coke
Posted: 28th Nov 2004 07:28
Quote: "(e.g., i like the dark, think blood is tasty , and can instantly tell the difference between laser-printed documents and inkjet-printed.)"

Crap, I do too....


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Dave J
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Posted: 28th Nov 2004 07:59 Edited at: 28th Nov 2004 08:06
I thought this was going to be a home-made backdoor virus (which isn't hard to do, mind you), so I was right about to snap the padlock when I realised it was a lot less harmful.


"Computers are useless - They can only give you answers."
ionstream
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Posted: 28th Nov 2004 08:05
Mmmm... homemade...



"Some who die deserve life, and some who live deserve death. Can you give it to them, Frodo?" - Gandalf the Grey
Ilya
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Posted: 28th Nov 2004 10:09
Quote: "i like the dark"

I prefer the light so I can see, but moraly, I like the dark side of things(because it's always better).
Quote: "think blood is tasty"

Yup.
Quote: "and can instantly tell the difference between laser-printed documents and inkjet-printed."

Never checked.

Quote: "I've seen the word programming and I'm not sure what it means. Anybody please explain?"


Quote: "We shouldn't sacrifice the truth to preserve "balance"."
Neofish
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Posted: 28th Nov 2004 10:48
Quote: "so I can see"

I can see in the dark....

About laser and inkjet - inkjet is, in short, much better quality (depending on the price of the laser printer )


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Shadow Robert
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Posted: 28th Nov 2004 12:02
Quote: "I thought this was going to be a home-made backdoor virus (which isn't hard to do, mind you), so I was right about to snap the padlock when I realised it was a lot less harmful."


more like moonshine made from Robinsons'
you know this is much easier and more silent to do in C++, cause you can open up a seperate process; when someone closes the program it keeps going in the background until you tell it to stop.

probably not the most sensible thing to say in a forum like this, but honestly don't see the harm considering i doubt most have the skills to program around AV Software.


Ilya
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Posted: 28th Nov 2004 12:02
Quote: "I can see in the dark...."

I can too, just poorly and it takes time to adapt.

Quote: "I've seen the word programming and I'm not sure what it means. Anybody please explain?"


Quote: "We shouldn't sacrifice the truth to preserve "balance"."
Jeku
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Location: Vancouver, British Columbia, Canada
Posted: 28th Nov 2004 12:52
I can't see in the dark but I sneeze every single time I step outside into the sun

When I was in highschool I made some QB4.5 programs that played tricks i.e. would make the dot matrix printers continuously linefeed through stacks of paper

One time we made this program that resonated a sound at a low velocity, and slowly the pitch would be increased over time. Five or six of us started it up at the same time in our school's computer lab, then left the room and waited outside. We could hear the computers synchronously emitting a low sound, and as it got higher and higher, we saw the teacher running around looking for the culprits We couldn't stop laughing as the pitch got higher and higher, making the other teachers go crazy hehehe...


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Ilya
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Posted: 28th Nov 2004 13:07 Edited at: 28th Nov 2004 13:08
Quote: "I sneeze every single time I step outside into the sun "

Same.

Quote: "I've seen the word programming and I'm not sure what it means. Anybody please explain?"


Quote: "We shouldn't sacrifice the truth to preserve "balance"."
Osiris
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Posted: 28th Nov 2004 13:49
i did something like that exept it was last year. me and a buddy of mine made a program that would make the windows comps play frosy the snowman really loud over and over again really loud it also disabled the volume control great fun

"The object of war is not to die for your country but to make the other bastard
die for his."
- General George S. Patton
FoxBlitzz
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Posted: 28th Nov 2004 14:14
Ha ha! If I don't press Print Screen when it tells me, I get an error:

Quote: "Run-time error '380':

Invalid property value"


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Neofish
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Posted: 28th Nov 2004 22:25
I can actually see in the dark clearly without waiting for it to adapt etc


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Benjamin
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Posted: 28th Nov 2004 22:34


AKA teh great Pet Rat.
Peace sells...but who's buying??
Shadow Robert
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Posted: 28th Nov 2004 22:46
Quote: "I can actually see in the dark clearly without waiting for it to adapt etc"


you bought Night-Vision Goggles too?


Neofish
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Posted: 28th Nov 2004 22:50
Lol, it's not perfect like colour vision but my vision at night (in one eye) is a lot better than most peoples'.


:: WinXP Pro SP 1 : 2.8 GHz Celeron : 512 MB DIMM RAM : 64 MB Radeon IGP 345M : 40 GB HDD ::
Benjamin
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Posted: 29th Nov 2004 03:11
Quote: "Lol, it's not perfect like colour vision but my vision at night (in one eye) is a lot better than most peoples'.
"

How do you know? You ever used their eyes?

AKA teh great Pet Rat.
Peace sells...but who's buying??
Wiggett
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Posted: 29th Nov 2004 15:32
Quote: "think blood is tasty "


sad. BEST OF ALL SHE'S SINGLE! QUICK GUYS! BETTER GET HER BEFORE HER INNER DEMONS DO!

Ian T
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Posted: 1st Dec 2004 01:47
Why not just write an app to write a shot as soon as it's loaded into memory, then kill itself?

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blanky
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Posted: 3rd Dec 2004 03:22
Because I'm good at VB, just crap at the API.

I don't know how to write a screenshot into memory. If you tell me, I will be very grateful.

And the error comes up because screensh_t.exe tries to paste something from memory to a bitmap, and I really should've put an error handler in there, especially when the last thing key_ploy.exe does is to clear the clipboard

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