Files
falco/rules
Mark Stemm a2011c37a0 Performance/FP rule updates.
Make changes to rules to improve performance and reduce FPs:

- Rely on https://github.com/draios/sysdig/pull/610 that allows
  specifying an open/openat for reading/writing without having to search
  through all the flags individually.

- For a two-item list (open, openat), and thinking ahead to
  https://github.com/draios/sysdig/pull/624, check the event type
  individually instead of as a set membership test, which is a bit
  faster.

- Switch to consistently using evt.type instead of syscall.type.

- Move positive tests like etc_dir, bin_dir, sensitive_files,
  proc.sname, etc., which are most likely to not succeed, to the
  beginning of rules, so they have a greater chance to cause the rest of
  the rule to be skipped, which saves time.

- Using exim as a mail program--exim also can suid to root.

- add a new macro for ssl management binaries and allow them to write
  below /etc and read sensitive files.

- add a new macro for dhcp client binaries and allow them to write below
  /etc.

- Add exe (docker-related program) as a program that can set a namespace
  using setns.

- Don't count /dev/tty as an important file under /dev.
2016-07-12 08:22:29 -07:00
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2016-07-12 08:22:29 -07:00