rule PM_Zip_With_Exe { meta: author="R.Tokazowski" company="PhishMe, Inc." URL="http://phishme.com/two-attacks-two-dyres-infrastructure/" strings: $hdr = "PK" $e1 = ".exe" nocase $e2 = ".scr" nocase condition: $hdr at 0 and (($e1 in (filesize-100..filesize)) or ($e2 in (filesize-100..filesize))) }