Hello
Does anybody recognize this signature in IIS logs? I have tens of them every day..(I put the xxx in IPs) They all originate in different ip numbers

2003-08-29 00:16:42 216.94.xxx.209 - xxx.1.96.3 80 SEARCH / - 411 -
2003-08-29 00:16:48 216.94.xxx.209 - xxx.1.96.3 80 SEARCH /AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA?????????????????????????????????????????????????????????ffilomidomfafdfgfhinhnlaljbeaaaaaalimmmmmmmmpdklojieaaaaaaipefpainlnpeppppppgekbaaaaaaaaijehaigeijdnaaaaaaaamhefpeppppppppilefpaidoiahijefpiloaaaabaaaoideaaaaaaibmgaabaaaaaolagibmgaaeaaaaailagdneoeoeoeohfpbidmgaeikagegdmfjhfpjikagegdmfihfpcggknggdnfjfihfokppogolpofifailhnpaijehpcmdileeceamafliaaaaaamhaaeeddccbbddmamdolomoihhppppppcecececeNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN......
after all Ns there is a 404-
Seems some kind of buffer overflow attack

Thanks in advance for any help