import sys
import socket
import getopt
import threading
import subprocess
listen = False
command = False
upload = False
execute = ""
target = ""
upload_destination = ""
port = 0
def usage():
print "BHP Net Tool"
print
print "Usage: netcat.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 file uponreceiving a connection"
print "-c --command -initialize a command shell"
print "-u --upload=destination -upon receiving connection upload a file and write to [destination]"
print
print
print "Examples:"
print "netcat.py -t 192.168.0.1 -p 5555 -l -c"
print "netcat.py -t 192.168.0.1 -p 5555 -l -u=c:\\target.exe"
print "netcat.py -t 192.168.0.1 -p 5555 -l -e=\"cat /etc/passwd\""
print "echo ‘ABCDEFGHI‘|./netcat.py -t 192.168.11.12 -p 135"
sys.exit(0)
def main():
global listen
global port
global execute
global command
global upload_destination
global target
if not len(sys.argv[1:]):
usage()
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","--excute"):
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"
print o
print a
if not listen and len (target) and port > 0:
buffer = sys.stdin.read()
client_sender(buffer)
if listen:
server_loop()
def client_sender(buffer):
client = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
try:
client.connect((target,port))
if len(buffer):
client.send(buffer)
while True:
recv_len = 1
response = ""
while recv_len:
data = client.recv(4096)
recv_len = len(data)
response += data
if recv_len < 4096:
break
print response,
buffer = raw_input("")
buffer += "\n"
client.send(buffer)
except:
print "[*] Exception! Exiting."
client.close()
def server_loop():
global target
global port
if not len(target):
target = "0.0.0.0"
server = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
server.bind((target,port))
server.listen(5)
while True:
client_socket,addr = server.accept()
client_thread = threading.Thread(target=client_handler,args=(client_socket,))
client_thread.start()
def run_command(command):
command = command.rstrip()
try:
output = subprocess.check_output(command,stderr=subprocess.SYDOUT,shell=True)
except:
output = "Failed to execute command.\r\n"
return output
def client_handler(client_socket):
global upload
global execute
global command
if len(upload_destination):
file_buffer = ""
while True:
data = client_socket.recv(1024)
if not data:
break
else:
file_buffer += data
try:
file_descriptor = open(upload_destination,"wb")
file_descriptor.write(file_buffer)
file_descriptor.close()
client_socket.send("Successfully saved file to \r\n" % upload_destination)
except:
client_socket.send("Failed to save file to %s \r\n" % upload_destination)
if len(execute):
output = run_command(execute)
client_socket.send(output)
if command:
while True:
client_socket.send("<BHP:#>")
cmd_buffer = ""
while "\n" not in cmd_buffer:
cmd_buffer += client_socket.recv(1024)
response = run_command(cmd_buffer)
client_socket.send(response)
main()本文出自 “专注php” 博客，请务必保留此出处http://jingshanls.blog.51cto.com/3357095/1782319
原文：http://jingshanls.blog.51cto.com/3357095/1782319