Detectionmediumtest

Persistence Via Sudoers Files

Detects creation of sudoers file or files in "sudoers.d" directory which can be used a potential method to persiste privileges for a specific user.

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Launch
Nasreddine Bencherchali (Nextron Systems)Created Tue Jul 05Updated Sat Dec 31ddb26b76-4447-4807-871f-1b035b2bfa5dlinux
Log Source
LinuxFile Event
ProductLinux← raw: linux
CategoryFile Event← raw: file_event

Events for file system activity including creation, modification, and deletion.

Detection Logic
Detection Logic1 selector
detection:
    selection:
        TargetFilename|startswith: '/etc/sudoers.d/'
    condition: selection
False Positives

Creation of legitimate files in sudoers.d folder part of administrator work

Rule Metadata
Rule ID
ddb26b76-4447-4807-871f-1b035b2bfa5d
Status
test
Level
medium
Type
Detection
Created
Tue Jul 05
Modified
Sat Dec 31
Path
rules/linux/file_event/file_event_lnx_persistence_sudoers_files.yml
Raw Tags
attack.privilege-escalationattack.executionattack.persistenceattack.t1053.003
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