本文研究的主要是Python的端口扫描程序，具体实例代码如下。
先来看看第一个端口扫描程序代码，获取本机的IP和端口号:
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import socket def get_my_ip(): try: csock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) csock.connect(('8.8.8.8', 80)) (addr, port) = csock.getsockname() csock.close() return addr,port except socket.error: return "127.0.0.1" def int_to_ip(int_ip): return socket.inet_ntoa(struct.pack('I', socket.htonl(int_ip))) def ip_to_int(ip): return socket.ntohl(struct.unpack("I", socket.inet_aton(str(ip)))[0]) (ip,port)=get_my_ip() print "ip=%s port=%d" %(ip,port) |
PortScan.py
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#!/usr/bin/python # -*- coding: utf-8 -*- import optparse from socket import *from threading import * screenLock = Semaphore(value=1) def connScan(tgtHost, tgtPort): try: connSkt = socket(AF_INET, SOCK_STREAM) connSkt.connect((tgtHost, tgtPort)) connSkt.send('ViolentPython\r\n') results = connSkt.recv(100) screenLock.acquire() print '[+] %d/tcp open' % tgtPort print '[+] ' + str(results) except: screenLock.acquire() print '[-] %d/tcp closed' % tgtPort finally: screenLock.release() connSkt.close() def portScan(tgtHost, tgtPorts): try: tgtIP = gethostbyname(tgtHost) except: print "[-] Cannot resolve '%s': Unknown host" %tgtHost return try: tgtName = gethostbyaddr(tgtIP) print '\n[+] Scan Results for: ' + tgtName[0] except: print '\n[+] Scan Results for: ' + tgtIP setdefaulttimeout(1) for tgtPort in tgtPorts: t = Thread(target=connScan,args=(tgtHost,int(tgtPort))) t.start() def main(): parser = optparse.OptionParser('usage %prog '+\ '-H <target host> -p <target port>') parser.add_option('-H', dest='tgtHost', type='string',\ help='specify target host') parser.add_option('-p', dest='tgtPort', type='string',\ help='specify target port[s] separated by comma') (options, args) = parser.parse_args() tgtHost = options.tgtHost tgtPorts = str(options.tgtPort).split(',') if (tgtHost == None) | (tgtPorts[0] == None): print parser.usage exit(0) portScan(tgtHost, tgtPorts) if __name__ == '__main__': main() |
基于Python socket的端口扫描程序
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#------------------------------------------------------------------------------- # Name: PortScan # Purpose: 扫描网段主机的端口开放情况 # Author: Hao Chen # Python3.4 #------------------------------------------------------------------------------- import socket def main(): ip_start=input('请输入开始IP：(默认:127.0.0.1)') if ip_start=='': ip_start='127.0.0.1' ip_end='127.0.0.1' else: ip_end=input('请输入结束IP：') if ip_end=='': ip_end='127.0.0.1' s=input('请输入目标主机开始端口：(默认扫描常用端口)') if s=='': portList=[21, 22, 23, 25, 80, 135, 137, 139, 445, 1433, 1502, 3306, 3389, 8080, 9015] else: startport=int(s) s=input('请输入目标主机结束端口：(默认:65535)') if s=='': endport=65535 else: endport=int(s) portList=[i for i in range(startport,endport+1)] while 1: #ip_start<ip_end x1=ip_start.rfind('.'); x2=ip_end.rfind('.') if int(ip_start[x1+1:])>int(ip_end[x2+1:]): break; #开始扫描端口 for port in portList: print('正在扫描%s ：%d' %(ip_start,port)) try: sk = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sk.settimeout(10) sk.connect((ip_start,port)) sk.settimeout(None) print('Server %s port %d OK!' % (ip_start,port)) sk.close() #结果保存在文件中 f=open("IP_Port.txt",'a') f.write(ip_start+' : '+str(port)+'\n') f.close() except Exception: print('Server %s port %d is not connected!' % (ip_start,port)) #更新ip_start i=ip_start.rfind('.') x=int(ip_start[i+1:])+1 ip_start=ip_start[:i+1]+str(x) print('扫描完成，结果保存在IP_Port.txt文件中') if __name__ == '__main__': main() |
总结
以上就是本文关于基于Python socket的端口扫描程序实例代码的全部内容，希望对大家有所帮助。感兴趣的朋友可以继续参阅本站其他相关专题，如有不足之处，欢迎留言指出。感谢朋友们对本站的支持！
原文链接：http://blog.csdn.net/cighao/article/details/44731709
