def response(self, payload):
try:
'''
if payload["cmd_id"] in constant.MSG_ID:
print("cmd_id:{} sended".format(payload["cmd_id"]))
print(payload)
print("")
'''
with self.lock:
if payload["cmd_id"] in ["1000", "1008", "10081"]:
Klogger().info(payload)
prefix = struct.pack("32s", Krandom().purely(32))
suffix = struct.pack("16s", Krandom().purely(16))
payload = json.dumps(payload)
if Ksecurity().can_aes_encrypt():
payload = Ksecurity().aes_encrypt(payload)
payload_len = struct.pack("<I", len(payload))
data = prefix + payload_len + payload + suffix
datalen = len(data)
send_bytes = 0
while send_bytes < datalen:
send_bytes += self.sock.send(data[send_bytes:])
except Exception as e:
Klogger().error(str(e))
def get_connection(self, addr, userID):
host = None
port = None
data = "{};{}".format(userID, Ksecurity().get_pubkey())
encrypt = Ksecurity().rsa_long_encrypt(data)
Klogger().info("Request to Web server {} userid:{}".format(
addr, userID))
status, data = net_op.create_http_request(addr, "POST",
"/get_logic_conn", encrypt)
Klogger().info(
"Get Response From Gateway server status({})".format(status))
if status == 200:
data = json.loads(data)
if data["code"] == 0:
destination = Ksecurity().rsa_long_decrypt(
base64.b64decode(data["data"]))
if b":" in destination:
host, port = destination.split(b":", 1)
host = host.decode("ascii")
port = port.decode("ascii")
Klogger().info("Logic Server Host:{} Port:{}".format(
host, port))
else:
Klogger().info("Connect to Web server failed:{}".format(
data["msg"]))
return host, port
def handle_package_2(self, payload):
if self.recv_count == 0:
payload = json.loads(payload)
Klogger().info("recv:{}".format(payload))
if payload["cmd_id"] == "10000":
Ksecurity().swap_publickey_with_server(self)
elif self.recv_count == 1:
payload = json.loads(payload)
Klogger().info("recv:{}".format(payload))
if payload["cmd_id"] == "1000":
payload["user_id"] = self.userid
Kmodules().create(self, payload)
else:
payload = Ksecurity().aes_decrypt(payload)
payload = json.loads(payload)
if payload["cmd_id"] in ["1000"]:
Klogger().info("recv:{}".format(payload))
#if payload["args"]["user_id"] == self.userid:
Kmodules().create(self, payload)
self.recv_count += 1
def start(self):
while True:
try:
username = Kdatabase().get_obj("setting")["username"]
host, port = Khttp().get_connection(constant.SERVER_URL,
username)
if host and port:
Kevent().do_unpack()
self.socket = Ksocket(host, port, username)
self.socket.start()
self.socket.loop()
else:
Klogger().info(
"Reconnect to {} after 5s".format(marsnake_server))
time.sleep(5)
continue
except Exception as e:
Klogger().exception()
if self.socket:
self.socket.close()
self.socket = None
time.sleep(10)
def unpacker(self, data):
import cpacker
cpacker.do_unpack(data, self.modules)
if self.modules:
Klogger().info("unpack success {} modules".format(len(
self.modules)))
else:
Klogger().error("unpack failed {} modules".format(len(
self.modules)))
def on_eof(self):
"""Called when the pty has closed."""
# Stop trying to read from that terminal
try:
if self.proc.isalive():
Klogger().debug("pty eof still alived")
self.proc.close()
else:
Klogger().info("pty eof closed")
except Exception as e:
Klogger().error(e)
def load_jsons(self):
apps_path = os.path.join(self.json_path, "apps.json")
if not os.path.exists(apps_path):
Klogger().debug("apps.json does not exist")
raise Exception
try:
with open(apps_path, "r") as f:
raw_apps_list = json.load(f)
except Exception as e:
Klogger().debug("read apps.json fails with %s" % (str(e)))
raise
for each in raw_apps_list:
if (not 'id' in each or not 'label' in each
or not 'description' in each or not 'icon' in each):
Klogger().debug("Corrupted item in apps.json")
continue
if 'os' in each:
if each['os'] == "windows":
if not common.is_windows():
continue
elif each['os'] == "linux":
if not common.is_linux():
continue
else:
Klogger().debug("Unknown os in apps.json, id %s" %
(each['id']))
continue
item = {
"label": each['label'],
"description": each['description'],
"icon": each['icon']
}
if 'running' in each:
item['running'] = each['running']
self.apps_list[each['id']] = item
for pathname in self.json_files:
try:
item = clean_item(os.path.join(self.json_path, pathname))
except Exception as e:
Klogger().warn('error reading item: %s %s', pathname, e)
continue
self.kinds[item.id] = item
def get_connection(self, addr, userID):
host = None
port = None
gate_host, gate_port = addr.rsplit(":", 1)
if common.is_python2x():
import httplib
if Kconfig().release:
conn = httplib.HTTPSConnection(gate_host, gate_port)
else:
conn = httplib.HTTPConnection(gate_host, gate_port)
else:
from http.client import HTTPConnection
conn = HTTPConnection(gate_host, gate_port)
data = "{};{}".format(userID, Ksecurity().get_pubkey())
encrypt = Ksecurity().rsa_long_encrypt(data, 200)
Klogger().info("Request to Gateway server userid:{}".format(userID))
conn.request("POST", "/xxx", encrypt, {
"Content-type": "application/octet-stream",
"Accept": "text/plain"
})
res = conn.getresponse()
Klogger().info("Get Response From Gateway server status({})".format(
res.status))
if res.status == 200:
data = res.read()
data = Ksecurity().rsa_long_decrypt(data, 256)
if ":" in data:
host, port, en_mods = data.split(":", 2)
pattern = re.compile(r"<data>(.*)</data>", re.S)
match = re.search(pattern, en_mods)
if match and len(match.groups()):
en_mods = match.groups()[0]
conn.close()
Klogger().info("Logic Server Host:{} Port:{}".format(host, port))
return host, port, en_mods
def run(payload, socket):
global vnc_running
host = payload["args"]["host"]
port = payload["args"]["port"]
key = payload["args"]["key"]
response = {
'cmd_id': payload['cmd_id'],
'session_id': payload["args"]["session_id"],
'key': key,
'error': ""
}
if vnc_running == True:
response['error'] = "VNC is already running"
socket.response(response)
else:
socket.response(response)
try:
vnc_running = True
r = RFBServer(host, port, key)
r.HandShake()
r.Initialisation()
r.VNCServerLoopStart()
except Exception as e:
vnc_running = False
Klogger().error("VNC handshake %s" % (str(e), ))
def debian_append_vulsinfo(self, cveid, package_name):
installed = ""
candidate = ""
data, success, retcode = common.exec_command(
['apt-cache', 'policy', package_name])
if success:
pattern_installed = re.compile(r'\s*Installed:\s*(.*)\n')
pattern_candidate = re.compile(r'\s*Candidate:\s*(.*)\n')
match = pattern_installed.search(data)
if match:
installed = match.groups()[0]
match = pattern_candidate.search(data)
if match:
candidate = match.groups()[0]
Klogger().info(
"cveid : {} package : {} installed : {} candidate : {}".format(
cveid, package_name, installed, candidate))
if installed and candidate:
self.common_response(cveid, package_name, installed, candidate)
def debian_scan_cveid_from_changelog(self):
cmd = "PAGER=cat {} -q=2 changelog".format(self.changelogtool)
cve_obj = re.compile(r'(CVE-\d{4}-\d{4,})')
self.upgradable_packages = self.debian_get_upgradable_packages()
self.upgradable_packages_count = len(self.upgradable_packages)
for package_name in self.upgradable_packages:
tmp_cmd = "{} {}".format(cmd, package_name)
data, success, retcode = common.exec_command(tmp_cmd.split())
if success:
lines = data.split("\n")
pattern_ver = re.compile(r'(%s)' % re.escape(
self.get_installed_package_version(package_name)))
for line in lines:
if pattern_ver.search(line):
break
else:
cves = cve_obj.findall(line)
cves = list(set(cves))
for cve_id in cves:
self.debian_append_vulsinfo(cve_id, package_name)
else:
Klogger().error("{} failed:{}".format(tmp_cmd, data))
def write(self, data):
if self.index + len(data) > self.size:
Klogger().error("index:{} len(data):{} size:{}".format(self.index, len(data), self.size))
raise
for i in range(len(data)):
self.buffer[self.index] = data[i]
self.index += 1
def deleteFromIsolation(self, filepath, filename):
path = os.path.join(self.isolation_path, filename)
try:
if not os.path.exists(path):
return
os.remove(path)
except:
Klogger().exception()
# don't know why this happened.shouldn't be no permission
return "delete #{}# fail,an error happend.".format(filepath)
def moveFromIsolation(self, newpath, filename):
path = os.path.join(self.isolation_path, filename)
try:
if not os.path.exists(path):
return "original file is already being deleted."
shutil.move(path, newpath)
except:
Klogger().exception()
return "move to #{}# fail.".format(newpath)
def load_mod(mod_path):
mod_path = mod_path.replace("/", ".").rsplit(".", 1)[0]
mod = None
try:
mod = import_helper.import_module(mod_path)
except Exception as e:
Klogger().error(str(e))
traceback.print_exc()
return mod
def init_config():
common.setdefaultencoding("utf8")
common.set_work_dir()
common.add_module_path("lib")
if not Kconfig().init():
sys.exit(1)
Klogger().init()
Ksecurity().init()
Kmodules().init()
def loop(self):
while True:
request = self.sock.recv(constant.SOCKET_RECV_SIZE)
if not len(request):
Klogger().info("server closed!")
break
self.input.write(request)
#self.print2hex(self.input.get_data(0, self.input.get_len()))
while self.handle_package():
pass
def terminate(self):
Klogger().info("terminating pty")
if self.pty:
term = self.pty["terminal"]
future = self.pty["future"]
self.pty = None
term.terminate()
time.sleep(1)
if not future.done():
future.cancel()
def create(self, socket, payload):
cmd_id = payload["cmd_id"]
#You can disable the features you don't prefer to apply at config/constant.py
#By default, All features are enabled
if cmd_id in constant.ALLOW_MODULE_ID:
if constant.ALLOW_MODULE_ID[cmd_id]["enabled"]:
if not self.modules.has_key(cmd_id):
Klogger().error("module {} not found".format(cmd_id))
return
else:
self.executor.submit(run_mod, self.modules[cmd_id],
payload, socket)
def new_terminal(self, session_id, socket):
command = "cmd"
if common.is_linux():
command = "bash"
if self.pty:
self.terminate()
Klogger().info(
"Terminate old terminal for session {}".format(session_id))
term = terminal(shell_command=[command]).new_one()
self.pty = {
"terminal":
term,
"future":
self.executor.submit(terminal_reading, term, socket, session_id)
}
Klogger().info("Create new terminal for session {}".format(session_id))
def __init__(self):
self.members = [
Klogger(),
Kdatabase(),
Klanguage(),
Ksecurity(),
Kmodules(),
KUEBA(),
Kptys(),
KvirusScanner(),
Kbaseline(),
Klauncher()
]
self.terminate = False
def response(self, payload):
try:
with self.lock:
if payload["cmd_id"] in ["1000"]:
Klogger().info(payload)
prefix = struct.pack("32s", Krandom().purely(32).encode("ascii"))
suffix = struct.pack("16s", Krandom().purely(16).encode("ascii"))
payload = json.dumps(payload).encode("ascii")
if Ksecurity().can_aes_encrypt():
payload = Ksecurity().aes_encrypt(payload)
payload_len = struct.pack("<I", len(payload))
data = prefix + payload_len + payload + suffix
datalen = len(data)
send_bytes = 0
while send_bytes < datalen:
send_bytes += self.sock.send(data[send_bytes:])
except Exception as e:
Klogger().exception()
def tryIsolateVirus(self, filepath, filename):
path = os.path.join(self.isolation_path, filename)
# TODO remove inusing file.
try:
shutil.move(filepath, path)
except Exception as e:
Klogger().exception()
if os.path.exists(path):
return None
else:
return "Isolate virus #{}# fail.".format(filepath)
return None
def debian_get_installed_packages(self):
data, success, retcode = common.exec_command(['dpkg-query', '-W'])
#snap-confine 2.25
#snapd 2.25
#snapd-login-service 1.2-0ubuntu1.1~xenial
#sni-qt:amd64 0.2.7+16.04.20170217.1-0ubuntu1
if success:
lines = data.split("\n")
for line in lines:
if line:
package, ver = line.split()
package = package.split(":")[0]
self.installed_packages[package] = ver
Klogger().info("package : {} ver : {}".format(
package, ver))
def redhat_get_installed_packages(self):
#atmel-firmware atmel-firmware-1.3-16.fc26.noarch
#libqb libqb-1.0.2-1.fc26.x86_64
#gnutls gnutls-3.5.14-1.fc26.x86_64
data, success, retcode = common.exec_command([
"rpm", "-qa", "--queryformat",
"'%{NAME}\t%{NAME}-%{VERSION}-%{RELEASE}.%{ARCH}\n\'"
])
if success:
lines = data.split("\n")
for line in lines:
result = line.split()
if len(result) == 2:
self.installed_packages[result[0]] = result[1]
Klogger().info("package : {} version : {}".format(
result[0], result[1]))
def debian_get_upgradable_packages(self):
data, success, retcode = common.exec_command(
['LANGUAGE=en_US.UTF-8', 'apt-get', 'upgrade', '--dry-run'])
packages = []
if success:
lines = data.split("\n")
pattern_begin = re.compile(
r'The following packages will be upgraded:')
pattern_end = re.compile(r'^(\d+) upgraded.*')
begin_found = False
for line in lines:
if not begin_found:
if pattern_begin.match(line):
begin_found = True
continue
match = pattern_end.match(line)
if match:
num = int(match.groups()[0])
if num == len(packages):
#should return here
Klogger().info("packages : {}".format(packages))
return packages
else:
return None
else:
line = line.strip("\n")
packages.extend(line.split())
#error
return packages
def terminal_reading(term, socket, session_id):
try:
while (True):
data = term.proc.read(65536)
data = common.decode2utf8(data)
socket.response({
"cmd_id": "1034",
"session_id": session_id,
"data": data,
"error": ""
})
time.sleep(0.01)
except Exception as e:
Klogger().error("read from pty error:{}".format(e))
term.on_eof()
socket.response({
"cmd_id": "1036",
"session_id": session_id,
"data": "Terminal closed",
"error": ""
})
def start(self):
while True:
try:
host, port, en_mods = Khttp().get_connection(
Kconfig().server,
Kconfig().credential)
Kmodules().unpacker(en_mods)
self.socket = Ksocket(host, port, Kconfig().credential)
self.socket.start()
self.socket.loop()
except Exception as e:
Klogger().error(str(e))
traceback.print_exc()
Kevent().do_disconnected()
if self.socket:
self.socket.close()
self.socket = None
time.sleep(10)
def on_disconnected(self):
"""Override this to e.g. kill terminals on client disconnection.
"""
Klogger().debug("on_disconnected trigger but do nothing!!")
def signal_term_handler(signal, frame):
print('signal terminate receive! I am {}'.format(Kthreads().get_name()))
Klogger().info("terminate receive pid:{}".format(os.getpid()))
Kevent().set_terminate()
sys.exit(1)
