Agent: Skip exploiter if victim OS is not supported

This commit is contained in:
Mike Salvatore 2022-03-28 15:31:01 -04:00
parent b73c3d10e1
commit ddbe5b463f
3 changed files with 94 additions and 24 deletions

View File

@ -114,6 +114,16 @@ class Exploiter:
for exploiter in interruptible_iter(exploiters_to_run, stop):
exploiter_name = exploiter["name"]
victim_os = victim_host.os.get("type")
# We want to try all exploiters if the victim's OS is unknown
if victim_os is not None and victim_os not in exploiter["supported_os"]:
logger.debug(
f"Skipping {exploiter_name} because it does not support "
f"the victim's OS ({victim_os})"
)
continue
exploiter_results = self._run_exploiter(
exploiter_name, exploiter["options"], victim_host, current_depth, stop
)

View File

@ -163,8 +163,8 @@ class MockPuppet(IPuppet):
"ssh_key": host,
},
]
info_powershell = {
"display_name": "PowerShell",
info_wmi = {
"display_name": "WMI",
"started": "2021-11-25T15:57:06.307696",
"finished": "2021-11-25T15:58:33.788238",
"vulnerable_urls": [],
@ -189,15 +189,15 @@ class MockPuppet(IPuppet):
successful_exploiters = {
DOT_1: {
"PowerShellExploiter": ExploiterResultData(
True, True, False, os_windows, info_powershell, attempts, None
),
"ZerologonExploiter": ExploiterResultData(
False, False, False, os_windows, {}, [], "Zerologon failed"
),
"SSHExploiter": ExploiterResultData(
False, False, False, os_linux, info_ssh, attempts, "Failed exploiting"
),
"WmiExploiter": ExploiterResultData(
True, True, False, os_windows, info_wmi, attempts, None
),
},
DOT_3: {
"PowerShellExploiter": ExploiterResultData(
@ -205,7 +205,7 @@ class MockPuppet(IPuppet):
False,
False,
os_windows,
info_powershell,
info_wmi,
attempts,
"PowerShell Exploiter Failed",
),

View File

@ -1,6 +1,7 @@
import logging
from queue import Queue
from threading import Barrier, Event
from typing import Iterable
from unittest.mock import MagicMock
import pytest
@ -37,29 +38,47 @@ def exploiter_config():
return {
"options": {"dropper_path_linux": "/tmp/monkey"},
"brute_force": [
{"name": "PowerShellExploiter", "options": {"timeout": 10}},
{"name": "SSHExploiter", "options": {}},
{"name": "HadoopExploiter", "supported_os": ["windows"], "options": {"timeout": 10}},
{"name": "SSHExploiter", "supported_os": ["linux"], "options": {}},
{"name": "WmiExploiter", "supported_os": ["windows"], "options": {"timeout": 10}},
],
"vulnerability": [
{"name": "ZerologonExploiter", "options": {}},
{"name": "ZerologonExploiter", "supported_os": ["windows"], "options": {}},
],
}
@pytest.fixture
def hosts():
return [VictimHost("10.0.0.1"), VictimHost("10.0.0.3")]
host_1 = VictimHost("10.0.0.1")
host_2 = VictimHost("10.0.0.3")
return [host_1, host_2]
@pytest.fixture
def hosts_to_exploit(hosts):
return enqueue_hosts(hosts)
def enqueue_hosts(hosts: Iterable[VictimHost]):
q = Queue()
q.put(hosts[0])
q.put(hosts[1])
for h in hosts:
q.put(h)
return q
def get_host_exploit_combos_from_call_args_list(call_args_list):
host_exploit_combos = set()
for call_args in call_args_list:
victim_host = call_args[0][0]
exploiter_name = call_args[0][1]
host_exploit_combos.add((victim_host, exploiter_name))
return host_exploit_combos
CREDENTIALS_FOR_PROPAGATION = {"usernames": ["m0nk3y", "user"], "passwords": ["1234", "pword"]}
@ -69,12 +88,12 @@ def get_credentials_for_propagation():
@pytest.fixture
def run_exploiters(exploiter_config, hosts_to_exploit, callback, scan_completed, stop):
def inner(puppet, num_workers):
def inner(puppet, num_workers, hosts=hosts_to_exploit):
# Set this so that Exploiter() exits once it has processed all victims
scan_completed.set()
e = Exploiter(puppet, num_workers, get_credentials_for_propagation)
e.exploit_hosts(exploiter_config, hosts_to_exploit, 1, callback, scan_completed, stop)
e.exploit_hosts(exploiter_config, hosts, 1, callback, scan_completed, stop)
return inner
@ -82,18 +101,16 @@ def run_exploiters(exploiter_config, hosts_to_exploit, callback, scan_completed,
def test_exploiter(callback, hosts, hosts_to_exploit, run_exploiters):
run_exploiters(MockPuppet(), 2)
assert callback.call_count == 5
host_exploit_combos = set()
for i in range(0, 5):
victim_host = callback.call_args_list[i][0][0]
exploiter_name = callback.call_args_list[i][0][1]
host_exploit_combos.add((victim_host, exploiter_name))
assert callback.call_count == 8
host_exploit_combos = get_host_exploit_combos_from_call_args_list(callback.call_args_list)
assert ("ZerologonExploiter", hosts[0]) in host_exploit_combos
assert ("PowerShellExploiter", hosts[0]) in host_exploit_combos
assert ("HadoopExploiter", hosts[0]) in host_exploit_combos
assert ("SSHExploiter", hosts[0]) in host_exploit_combos
assert ("WmiExploiter", hosts[0]) in host_exploit_combos
assert ("ZerologonExploiter", hosts[1]) in host_exploit_combos
assert ("PowerShellExploiter", hosts[1]) in host_exploit_combos
assert ("HadoopExploiter", hosts[1]) in host_exploit_combos
assert ("WmiExploiter", hosts[1]) in host_exploit_combos
assert ("SSHExploiter", hosts[1]) in host_exploit_combos
@ -132,10 +149,53 @@ def test_exploiter_raises_exception(callback, hosts, hosts_to_exploit, run_explo
mock_puppet.exploit_host = MagicMock(side_effect=Exception(error_message))
run_exploiters(mock_puppet, 3)
assert callback.call_count == 6
assert callback.call_count == 8
for i in range(0, 6):
exploit_result_data = callback.call_args_list[i][0][2]
assert exploit_result_data.exploitation_success is False
assert exploit_result_data.propagation_success is False
assert error_message in exploit_result_data.error_message
def test_windows_exploiters_run_on_windows_host(callback, hosts, hosts_to_exploit, run_exploiters):
host = VictimHost("10.0.0.1")
host.os["type"] = "windows"
q = enqueue_hosts([host])
run_exploiters(MockPuppet(), 1, q)
assert callback.call_count == 3
host_exploit_combos = get_host_exploit_combos_from_call_args_list(callback.call_args_list)
assert ("SSHExploiter", host) not in host_exploit_combos
def test_linux_exploiters_run_on_linux_host(callback, hosts, hosts_to_exploit, run_exploiters):
host = VictimHost("10.0.0.1")
host.os["type"] = "linux"
q = enqueue_hosts([host])
run_exploiters(MockPuppet(), 1, q)
assert callback.call_count == 1
host_exploit_combos = get_host_exploit_combos_from_call_args_list(callback.call_args_list)
assert ("SSHExploiter", host) in host_exploit_combos
def test_all_exploiters_run_on_unknown_host(callback, hosts, hosts_to_exploit, run_exploiters):
host = VictimHost("10.0.0.1")
try:
del host.os["type"]
except KeyError:
pass
q = enqueue_hosts([host])
run_exploiters(MockPuppet(), 1, q)
assert callback.call_count == 4
host_exploit_combos = get_host_exploit_combos_from_call_args_list(callback.call_args_list)
assert ("ZerologonExploiter", hosts[0]) in host_exploit_combos
assert ("HadoopExploiter", hosts[0]) in host_exploit_combos
assert ("SSHExploiter", host) in host_exploit_combos
assert ("WmiExploiter", hosts[0]) in host_exploit_combos