MyDoom 2023 Insights: Worm Behavior and Antivirus Tactics Review

A new version of the Internet worm MyDoom includes a photo of suspected Netsky worm writer Sven Jaschan and a description of the worm itself. . . . In the latest bizarre twist in the worm's development, authors included a detailed account of what MyDoom.Y does and how it works. This particular tactic has left antivirus vendors baffled.

"It's like they wanted to help us, which is weird," said Mikko Hypponen, director of antivirus research at F-Secure. "The photo could be making the point that MyDoom has won the virus war. But then again, Netsky was much more widespread than MyDoom."

The description of the virus included two signatures, Nemog and Zincite, which Hyponnen said he had seen before in back-door code. "We don't know whether they have been planted or not," he said.