/var/cache/ is in piwi 0.8+20041206-3.
This file is owned by root:root, with mode 0o755.
..
/var/cache/piwi/
/var/cache/piwi/generated/
/var/cache/piwi/generated/DB/
/var/cache/piwi/generated/DB/etter.passive.os.fp
/var/cache/piwi/generated/DB/mac-fingerprints
/var/cache/piwi/generated/Filters/
/var/cache/piwi/generated/Filters/Analyzer.model=NIDS.flt
/var/cache/piwi/generated/Filters/Classification.name=WEB-IIS cmd.exe access.flt
/var/cache/piwi/generated/Filters/High severity.flt
/var/cache/piwi/generated/Filters/MSSQL_Subnet.flt
/var/cache/piwi/generated/Filters/MSSQL_WormAttack-Probe.flt
/var/cache/piwi/generated/Filters/Misc ICMP.flt
/var/cache/piwi/generated/Filters/Packet starts by E3.flt
/var/cache/piwi/generated/Filters/Service.port=80.flt
/var/cache/piwi/generated/Filters/Target.port is privileged.flt
/var/cache/piwi/generated/Filters/Temp/
/var/cache/piwi/generated/Filters/Temp/deleteme.txt
/var/cache/piwi/generated/Filters/defaults/
/var/cache/piwi/generated/Filters/defaults/deleteme.txt
/var/cache/piwi/generated/Filters/defaults/eqAddress.address.flt
/var/cache/piwi/generated/Filters/defaults/eqAnalyzer.address.flt
/var/cache/piwi/generated/Filters/defaults/eqAnalyzer.analyzerid.flt
/var/cache/piwi/generated/Filters/defaults/eqAnalyzer.class.flt
/var/cache/piwi/generated/Filters/defaults/eqAnalyzer.model.flt
/var/cache/piwi/generated/Filters/defaults/eqAnalyzer.vlan_num.flt
/var/cache/piwi/generated/Filters/defaults/eqClassification.name.flt
/var/cache/piwi/generated/Filters/defaults/eqImpact.completion.flt
/var/cache/piwi/generated/Filters/defaults/eqImpact.severity.flt
/var/cache/piwi/generated/Filters/defaults/eqService.port.flt
/var/cache/piwi/generated/Filters/defaults/eqService.protocol.flt
/var/cache/piwi/generated/Filters/msg from 'messages'.flt
/var/cache/piwi/generated/Images/
/var/cache/piwi/generated/Images/deleteme.txt
/var/cache/piwi/generated/PostScript/
/var/cache/piwi/generated/PostScript/deleteme.txt
/var/cache/piwi/generated/Processing/
/var/cache/piwi/generated/Processing/Save_SourceIP.proc
/var/cache/piwi/generated/Processing/Save_numbers.proc
/var/cache/piwi/generated/Reports/
/var/cache/piwi/generated/Reports/deleteme.txt