Persistence (TA0003)(opens in a new tab or window)
file where host.os.type == "linux" and event.type == "creation" and file.path : "*.git/hooks/*" and
file.extension == null and process.executable != null and not (
process.executable in (
"/bin/dpkg", "/usr/bin/dpkg", "/bin/dockerd", "/usr/bin/dockerd", "/usr/sbin/dockerd", "/bin/microdnf",
"/usr/bin/microdnf", "/bin/rpm", "/usr/bin/rpm", "/bin/snapd", "/usr/bin/snapd", "/bin/yum", "/usr/bin/yum",
"/bin/dnf", "/usr/bin/dnf", "/bin/podman", "/usr/bin/podman", "/bin/dnf-automatic", "/usr/bin/dnf-automatic",
"/bin/pacman", "/usr/bin/pacman", "/usr/bin/dpkg-divert", "/bin/dpkg-divert", "/sbin/apk", "/usr/sbin/apk",
"/usr/local/sbin/apk", "/usr/bin/apt", "/usr/sbin/pacman", "/bin/podman", "/usr/bin/podman", "/usr/bin/puppet",
"/bin/puppet", "/opt/puppetlabs/puppet/bin/puppet", "/usr/bin/chef-client", "/bin/chef-client",
"/bin/autossl_check", "/usr/bin/autossl_check", "/proc/self/exe", "/usr/bin/pamac-daemon", "/bin/pamac-daemon",
"/usr/local/bin/dockerd", "/sbin/dockerd"
) or
process.executable : ("/nix/store/*", "/var/lib/dpkg/*", "/snap/*", "/dev/fd/*") or
process.name in ("git", "dirname") or
(process.name == "sed" and file.name : "sed*") or
(process.name == "perl" and file.name : "e2scrub_all.tmp*")
)
Install detection rules in Elastic Security
Detect Git Hook Created or Modified in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).