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New MySQL Internet Worm - Spoolcll.exe

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#1 harrywaldron


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Posted 27 January 2005 - 06:29 AM

New MySQL Internet Worm - Spoolcll.exe

We have reports about a possible MySQL worm. Right now, it appears to be hunting for Windows systems running MySQL. We have no deteails so far, and would creatly appreciate input (in particular code samples). We do observe a significant rise in port 3306 scanning, which is likely caused by infected systems. The worm creates a file called 'Spoolcll.exe' and has so far been named 'MySpooler'.

You should not expose any MySQL servers to unsolicitated connections. If you run MySQL, make sure you block port 3306. MySQL can run without networking enabled, as long as you only connect to it from the local host (e.g. if a web server and mysql run on the same system, which is common for small website). In order to turn off networking, start mysql with the --skip-networking option. You will however need networking if you use replication.

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#2 KoanYorel


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Posted 30 January 2005 - 01:40 PM

Follow-up Information

MySQL worm halted

Published: January 28, 2005, 1:40 PM PST
By Robert Lemos
Staff Writer, CNET News.com

A worm exploiting weak database passwords on Windows computers had essentially stopped spreading on Friday, after the systems infected with the program were cut off from the control of several central computers.

More than 8,000 Windows computers running the MySQL database were probably infected with the worm program, referred to as the MySQL bot worm or by the name of the executable file, SpoolCLL, that the worm installs on vulnerable machines.

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