Update linux_adding_crontab_using_list_parameter.yml

This commit is contained in:
tccontre
2022-04-26 15:26:23 +02:00
committed by GitHub
parent c67850b27c
commit 56559ca950
@@ -6,10 +6,9 @@ author: Teoderick Contreras, Splunk
type: Hunting
datamodel:
- Endpoint
description: The following analytic identifies a suspicious cronjobs modification
using crontab list parameter. This commandline parameter can be abuse by malware
like industroyer2, adversaries, and red teamers to add cronjob entry to their malicious
code to execute to the schedule they want. This event can also be executed by administrator
description: The following analytic identifies a suspicious cron jobs modification using crontab list parameters.
This command line parameter can be abused by malware like industroyer2, adversaries, and red teamers to add a
crontab entry to their malicious code to execute to the schedule they want. This event can also be executed by administrator
or normal user for automation purposes so filter is needed.
search: '| tstats `security_content_summariesonly` count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes
where Processes.process_name = "crontab" Processes.process= "* -l*"