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Merge branch 'xmrig' of https://github.com/splunk/security_content into xmrig
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@@ -6,21 +6,21 @@ author: Teoderick Contreras, Splunk
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type: batch
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datamodel:
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- Endpoint
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description: This search is to detect a suspicious commandline that disable a net user account.
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This technique may used by the adversaries or attacker to interrupt availability of such users to do their malicious act.
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description: This search is to detect a suspicious commandline that disable a net
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user account. This technique may used by the adversaries or attacker to interrupt
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availability of such users to do their malicious act.
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search: '| tstats `security_content_summariesonly` values(Processes.process) as process
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values(Processes.parent_process) as parent_process values(Processes.process_id)
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as process_id count min(_time) as firstTime max(_time) as lastTime from datamodel=Endpoint.Processes
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where Processes.process_name="net.exe" OR Processes.process_name="net1.exe" AND Processes.process="*user*" AND Processes.process="*/active:no*"
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by Processes.process_name Processes.dest Processes.user Processes.parent_process_name
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| `drop_dm_object_name(Processes)`
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| `security_content_ctime(firstTime)`
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| `security_content_ctime(lastTime)`
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| `disabling_net_user_account_filter`'
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where Processes.process_name="net.exe" OR Processes.process_name="net1.exe" AND
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Processes.process="*user*" AND Processes.process="*/active:no*" by Processes.process_name
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Processes.dest Processes.user Processes.parent_process_name | `drop_dm_object_name(Processes)`
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| `security_content_ctime(firstTime)` | `security_content_ctime(lastTime)` | `disabling_net_user_account_filter`'
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how_to_implement: To successfully implement this search, you need to be ingesting
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logs with the process name, parent process, and command-line executions from your
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endpoints. If you are using Sysmon, you must have at least version 6.0.4 of the
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Sysmon TA. Tune and filter known instances where renamed net.exe/net1.exe may be used.
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Sysmon TA. Tune and filter known instances where renamed net.exe/net1.exe may be
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used.
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known_false_positives: unknown
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references:
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- https://thedfirreport.com/2020/04/20/sqlserver-or-the-miner-in-the-basement/
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@@ -40,7 +40,10 @@ tags:
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- Processes.process_name
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- Processes.dest
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- Processes.user
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- Processes.parent_process_name
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- Processes.parent_process_name
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- Processes.process_id
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- Processes.parent_process
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security_domain: endpoint
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security_domain: endpoint
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automated_detection_testing: passed
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dataset:
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- https://media.githubusercontent.com/media/splunk/attack_data/master/datasets/malware/xmrig_miner/windows-sysmon.log
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