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Detectionhightest

Remote Schedule Task Recon via ITaskSchedulerService

Detects remote RPC calls to read information about scheduled tasks

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Launch
Sagie Dulce, Dekel PazCreated Sat Jan 017f7c49eb-2977-4ac8-8ab0-ab1bae14730eapplication
Log Source
rpc_firewallapplication
Productrpc_firewall← raw: rpc_firewall
Categoryapplication← raw: application

Definition

Requirements: install and apply the RPC Firewall to all processes with "audit:true action:block uuid:86d35949-83c9-4044-b424-db363231fd0c"

Detection Logic
Detection Logic2 selectors
detection:
    selection:
        EventLog: RPCFW
        EventID: 3
        InterfaceUuid: 86d35949-83c9-4044-b424-db363231fd0c
    filter:
        OpNum:
            - 1
            - 3
            - 4
            - 10
            - 11
            - 12
            - 13
            - 14
            - 15
    condition: selection and not filter
False Positives
Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References
1
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learn.microsoft.com
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github.com
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github.com
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zeronetworks.com
MITRE ATT&CK
Rule Metadata
Rule ID
7f7c49eb-2977-4ac8-8ab0-ab1bae14730e
Status
test
Level
high
Type
Detection
Created
Sat Jan 01
Author
Sagie Dulce, Dekel Paz
Path
rules/application/rpc_firewall/rpc_firewall_itaskschedulerservice_recon.yml
Raw Tags
attack.discovery
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