Replaced ping with curl/wget and Invoke-WebRequest

This commit is contained in:
Shay Nehmad 2019-12-23 17:41:42 +02:00
parent 34c2ff6bb6
commit c8a742674f
2 changed files with 24 additions and 17 deletions

View File

@ -10,10 +10,10 @@ from infection_monkey.post_breach.pba import PBA
from infection_monkey.telemetry.post_breach_telem import PostBreachTelem
from infection_monkey.utils.environment import is_windows_os
PING_TEST_DOMAIN = "google.com"
INFECTION_MONKEY_WEBSITE_URL = "https://infectionmonkey.com"
CREATED_PROCESS_AS_USER_PING_SUCCESS_FORMAT = "Created process '{}' as user '{}', and successfully pinged."
CREATED_PROCESS_AS_USER_PING_FAILED_FORMAT = "Created process '{}' as user '{}', but failed to ping (exit status {})."
CREATED_PROCESS_AS_USER_SUCCESS_FORMAT = "Created process '{}' as user '{}' and the process succeeded."
CREATED_PROCESS_AS_USER_FAILED_FORMAT = "Created process '{}' as user '{}', but the process failed (exit status {})."
USERNAME_PREFIX = "somenewuser"
PASSWORD = "N3WPa55W0rD!1"
@ -23,8 +23,8 @@ logger = logging.getLogger(__name__)
class CommunicateAsNewUser(PBA):
"""
This PBA creates a new user, and then pings google as that user. This is used for a Zero Trust test of the People
pillar. See the relevant telemetry processing to see what findings are created.
This PBA creates a new user, and then creates HTTP/S requests as that user. This is used for a Zero Trust test of the
People pillar. See the relevant telemetry processing to see what findings are created.
"""
def __init__(self):
@ -34,9 +34,9 @@ class CommunicateAsNewUser(PBA):
username = CommunicateAsNewUser.get_random_new_user_name()
try:
with create_auto_new_user(username, PASSWORD) as new_user:
ping_commandline = CommunicateAsNewUser.get_commandline_for_ping()
exit_status = new_user.run_as(ping_commandline)
self.send_ping_result_telemetry(exit_status, ping_commandline, username)
http_request_commandline = CommunicateAsNewUser.get_commandline_for_http_request(INFECTION_MONKEY_WEBSITE_URL)
exit_status = new_user.run_as(http_request_commandline)
self.send_result_telemetry(exit_status, http_request_commandline, username)
except subprocess.CalledProcessError as e:
PostBreachTelem(self, (e.output.decode(), False)).send()
except NewUserError as e:
@ -47,21 +47,28 @@ class CommunicateAsNewUser(PBA):
return USERNAME_PREFIX + ''.join(random.choice(string.ascii_lowercase) for _ in range(5))
@staticmethod
def get_commandline_for_ping(domain=PING_TEST_DOMAIN, is_windows=is_windows_os()):
format_string = "PING.exe {domain} -n 1" if is_windows else "ping -c 1 {domain}"
return format_string.format(domain=domain)
def get_commandline_for_http_request(url, is_windows=is_windows_os()):
if is_windows:
format_string = "powershell -command \"Invoke-WebRequest {url}\""
else:
# true || false -> 0. false || true -> 0. false || false -> 1. So:
# if curl works, we're good.
# If curl doesn't exist or fails and wget work, we're good.
# And if both don't exist: we'll call it a win.
format_string = "curl {url} || wget -O/dev/null -q {url}"
return format_string.format(url=url)
def send_ping_result_telemetry(self, exit_status, commandline, username):
def send_result_telemetry(self, exit_status, commandline, username):
"""
Parses the result of ping and sends telemetry accordingly.
Parses the result of the command and sends telemetry accordingly.
:param exit_status: In both Windows and Linux, 0 exit code from Ping indicates success.
:param exit_status: In both Windows and Linux, 0 exit code indicates success.
:param commandline: Exact commandline which was executed, for reporting back.
:param username: Username from which the command was executed, for reporting back.
"""
if exit_status == 0:
PostBreachTelem(self, (
CREATED_PROCESS_AS_USER_PING_SUCCESS_FORMAT.format(commandline, username), True)).send()
CREATED_PROCESS_AS_USER_SUCCESS_FORMAT.format(commandline, username), True)).send()
else:
PostBreachTelem(self, (
CREATED_PROCESS_AS_USER_PING_FAILED_FORMAT.format(commandline, username, exit_status), False)).send()
CREATED_PROCESS_AS_USER_FAILED_FORMAT.format(commandline, username, exit_status), False)).send()

View File

@ -65,7 +65,7 @@ class AutoNewWindowsUser(AutoNewUser):
self.username,
".", # Use current domain.
self.password,
win32con.LOGON32_LOGON_INTERACTIVE, # Logon type - interactive (normal user). Need this to open ping
win32con.LOGON32_LOGON_INTERACTIVE, # Logon type - interactive (normal user).
# using a shell.
win32con.LOGON32_PROVIDER_DEFAULT) # Which logon provider to use - whatever Windows offers.
except Exception as err: