Hide Navigation Hide TOC Remove Immutable File Attribute (34979410-e4b5-4e5d-8cfb-389fdff05c12) Detects usage of the 'chattr' utility to remove immutable file attribute. Cluster A Galaxy A Cluster B Galaxy B Level Linux and Mac File and Directory Permissions Modification - T1222.002 (09b130a2-a77e-4af0-a361-f46f9aad1345) Attack Pattern Remove Immutable File Attribute (34979410-e4b5-4e5d-8cfb-389fdff05c12) Sigma-Rules 1 File and Directory Permissions Modification - T1222 (65917ae0-b854-4139-83fe-bf2441cf0196) Attack Pattern Linux and Mac File and Directory Permissions Modification - T1222.002 (09b130a2-a77e-4af0-a361-f46f9aad1345) Attack Pattern 2