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Merge pull request #207 from draios/address-addl-falco-fps

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Additional changes to reduce FPs.
This commit is contained in:
Mark Stemm 2017-02-06 16:46:11 -08:00 committed by GitHub
commit df08a80a12
1 changed files with 9 additions and 4 deletions
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13
rules/falco_rules.yaml
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@ -219,16 +219,19 @@
# scope the python scripts to a specific directory (namely, your # scope the python scripts to a specific directory (namely, your
# configured remote_tmp directory). # configured remote_tmp directory).
- macro: parent_ansible_running_python - macro: parent_ansible_running_python
condition: proc.pname in (python, pypy) and proc.pcmdline contains ansible condition: (proc.pname in (python, pypy) and proc.pcmdline contains ansible)
- macro: ansible_running_python - macro: ansible_running_python
condition: proc.name in (python, pypy) and proc.cmdline contains ansible condition: (proc.name in (python, pypy) and proc.cmdline contains ansible)
- macro: python_running_denyhosts - macro: python_running_denyhosts
condition: proc.name=python and (proc.cmdline contains /usr/sbin/denyhosts or proc.cmdline contains /usr/local/bin/denyhosts.py) condition: (proc.name=python and (proc.cmdline contains /usr/sbin/denyhosts or proc.cmdline contains /usr/local/bin/denyhosts.py))
- macro: parent_python_running_denyhosts
condition: (proc.pname=python and (proc.pcmdline contains /usr/sbin/denyhosts or proc.pcmdline contains /usr/local/bin/denyhosts.py))
- macro: parent_bro_running_python - macro: parent_bro_running_python
condition: proc.pname=python and proc.cmdline contains /usr/share/broctl condition: (proc.pname=python and proc.cmdline contains /usr/share/broctl)
# As a part of kernel upgrades, dpkg will spawn a perl script with the # As a part of kernel upgrades, dpkg will spawn a perl script with the
# name linux-image-N.N. This macro matches that. # name linux-image-N.N. This macro matches that.
@ -366,6 +369,7 @@
monitoring_binaries) monitoring_binaries)
and not parent_ansible_running_python and not parent_ansible_running_python
and not parent_bro_running_python and not parent_bro_running_python
and not parent_python_running_denyhosts
and not parent_linux_image_upgrade_script and not parent_linux_image_upgrade_script
output: "Shell spawned by untrusted binary (user=%user.name shell=%proc.name parent=%proc.pname cmdline=%proc.cmdline pcmdline=%proc.pcmdline)" output: "Shell spawned by untrusted binary (user=%user.name shell=%proc.name parent=%proc.pname cmdline=%proc.cmdline pcmdline=%proc.pcmdline)"
priority: WARNING priority: WARNING
@ -376,6 +380,7 @@
not container.image startswith sysdig/falco-event-generator) or not container.image startswith sysdig/falco-event-generator) or
container.image startswith sysdig/sysdig or container.image startswith sysdig/sysdig or
container.image startswith gcr.io/google_containers/hyperkube or container.image startswith gcr.io/google_containers/hyperkube or
container.image startswith quay.io/coreos/flannel or
container.image startswith gcr.io/google_containers/kube-proxy) container.image startswith gcr.io/google_containers/kube-proxy)
- rule: File Open by Privileged Container - rule: File Open by Privileged Container