Wizcrafts - 2:56 pm on Aug 4, 2010 (gmt 0)
These attacks are associated with Indonesian hackers using the e107 ByroeNet scanner. The Casper user agents are hard coded into the "ByroeNet" scanner dated from June 17, 2010.
I found much of this information on multiple searches, but it is best detailed here: [doc.emergingthreats.net...] - as captured in their honeypots and logs.
Bill; I hope that link is acceptable. It is an authority site.