rule apt_hellsing_xkat { meta: version = "1.0" filetype = "PE" author = "Costin Raiu, Kaspersky Lab" copyright = "Kaspersky Lab" date = "2015-04-07" description = "detection for Hellsing xKat tool" strings: $mz="MZ" $a1="\\Dbgv.sys" $a2="XKAT_BIN" $a3="release sys file error." $a4="driver_load error. " $a5="driver_create error." $a6="delete file:%s error." $a7="delete file:%s ok." $a8="kill pid:%d error." $a9="kill pid:%d ok." $a10="-pid-delete" $a11="kill and delete pid:%d error." $a12="kill and delete pid:%d ok." condition: ($mz at 0) and (6 of ($a*)) and filesize < 300000 }