/* Task Scheduler service incoming connection followed by TaskCache registry modification */
sequence by host.id, process.entity_id with maxspan = 1m
[network where host.os.type == "windows" and process.name : "svchost.exe" and
network.direction : ("incoming", "ingress") and source.port >= 49152 and destination.port >= 49152 and
source.ip != "127.0.0.1" and source.ip != "::1"
]
[registry where host.os.type == "windows" and event.type == "change" and registry.value : "Actions" and
registry.path : "HKLM\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\*\\Actions"]
Install detection rules in Elastic Security
Detect Remote Scheduled Task Creation 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).