Perdon por el doblete... pero me falto agregarte las reglas que tengo...
con eso me lo evito...

SetEnvIf Request_URI "/winnt/system32/cmd.exe" nimda
SetEnvIf Request_URI "/scripts/root.exe" nimda
SetEnvIf Request_URI "/MSADC/root.exe" nimda
SetEnvIf Request_URI "/.." nimda
SetEnvIf Request_URI "../" nimda
CustomLog "|exec sh" "/sbin/iptables -I INPUT -s %a -j DROP" env=nimda

Saludos !

Tony
Mexico
----- Original Message -----
From: Luis M. Gonz�lez
To: Debian Users Spanish List
Sent: Tuesday, May 21, 2002 2:59 PM
Subject: �Intrusos en mi servidor?


�Hol@ a todos!

�Ser� que alguien estar� tratando de hackear mi m�quina?

En el archivo log de apache hay una larga lista de errores 404:

/********************************************/
[Tue May 21 15:38:25 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/_mem_bin/..%5c../..%5c../..%5c../winnt/system32/cmd.exe
[Tue May 21 15:38:27 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/msadc/..%5c../..%5c../..%5c/..�../..�../..�../winnt/s
ystem32/cmd.exe
[Tue May 21 15:38:28 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..�../winnt/system32/cmd.exe
[Tue May 21 15:38:30 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..��../winnt/system32/cmd.exe
[Tue May 21 15:38:31 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..�o../winnt/system32/cmd.exe
[Tue May 21 15:38:35 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..%5c../winnt/system32/cmd.exe
[Tue May 21 15:38:36 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..%2f../winnt/system32/cmd.exe
[Tue May 21 15:42:01 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/root.exe
[Tue May 21 15:42:05 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/MSADC/root.exe
[Tue May 21 15:42:08 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/c/winnt/system32/cmd.exe
[Tue May 21 15:42:12 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/d/winnt/system32/cmd.exe
[Tue May 21 15:42:15 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..%5c../winnt/system32/cmd.exe
[Tue May 21 15:42:18 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/_vti_bin/..%5c../..%5c../..%5c../winnt/system32/cmd.exe
[Tue May 21 15:42:21 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/_mem_bin/..%5c../..%5c../..%5c../winnt/system32/cmd.exe
[Tue May 21 15:42:24 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/msadc/..%5c../..%5c../..%5c/..�../..�../..�../winnt/s
ystem32/cmd.exe
[Tue May 21 15:42:27 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..�../winnt/system32/cmd.exe
[Tue May 21 15:42:34 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..��../winnt/system32/cmd.exe
[Tue May 21 15:42:37 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..�o../winnt/system32/cmd.exe
[Tue May 21 15:42:47 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..%5c../winnt/system32/cmd.exe
[Tue May 21 15:42:50 2002] [error] [client 200.67.7.97] File does not exist:
/var/www/html/pn713/scripts/..%2f../winnt/system32/cmd.exe
/********************************************/
Al parecer est�n tratando de entrar a un sistema de M$ Windows NT con no s�
que finalidad.
�Alguien sabe de que se trata? �C�mo puedo bloquear esa "b�squeda? La
direcci�n IP varia con el d�a.


Saludos


Luis Manuel


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