Detectionmediumexperimental

FortiGate - User Group Modified

Detects the modification of a user group on a Fortinet FortiGate Firewall. The group could be used to grant VPN access to a network.

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Launch
Marco Pedrinazzi (InTheCyber)Created Sat Nov 0169ffc84e-8b1a-4024-8351-e018f66b8275network
Log Source
fortigateevent
Productfortigate← raw: fortigate
Serviceevent← raw: event
Detection Logic
Detection Logic1 selector
detection:
    selection:
        action: 'Edit'
        cfgpath: 'user.group'
    condition: selection
False Positives

A group can be modified for legitimate purposes.

Rule Metadata
Rule ID
69ffc84e-8b1a-4024-8351-e018f66b8275
Status
experimental
Level
medium
Type
Detection
Created
Sat Nov 01
Path
rules/network/fortinet/fortigate/fortinet_fortigate_user_group_modified.yml
Raw Tags
attack.persistenceattack.privilege-escalation
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