Bagle source code is revealed

Antivirus software companies are warning customers that new editions to the Bagle family of e-mail worms are spreading on the Internet, and depositing copies of the worm’s source code on computers they infect.

Leading antivirus firms including Sophos PLC , Symantec Corp. and McAfee Inc. issued alerts about two new variants, W32/Bagle-AD and Bagle-AE, on Tuesday. The new tactic could place copies of the worm’s core computer code on thousands of compromised computers, and may be a sign that the author or authors of one of the most prolific worms in recent months are feeling the heat from the law, according to one security expert.

Read the complete story .