There has been a flurry of news articles over the past few days on what the media appears to have labeled the Mariposa botnet, after the name a Canadian information security firm used for this particular threat. The ‘butterfly’ in the title of this article refers to the fact that the threat is believed to stem from the Butterfly bot kit, which is no longer for sale.
Several security vendors have commented that this threat isn't new, and indeed Symantec has been detecting variants of it since as early as January this year. We currently have various detection names for these samples, the majority of which are one variant or another of W32.SillyFDC, Trojan Horse or more recently Packed.Generic...
