kevmap

TechniquesT1564.005 › AN1272

AN1272 Analytic 1272

Linux · attack.mitre.org · ATT&CK Enterprise v19.2

<p>Unusual mounting of loopback or pseudo file systems not aligned with legitimate administrative activity. Defender view: monitoring auditd and syslog for mount commands involving suspicious mount points, reserved blocks, or device mappings indicative of hidden partitions.</p>
Detects
T1564.005 Hidden File System
Part of
DET0461 Detection Strategy for Hidden File System Abuse

Log sources and channels

Exactly as MITRE states them in x_mitre_log_source_references. Where a channel is vague, it is vague in the source; kevmap does not tidy it.

Log sourceChannelData component
auditd:SYSCALLmount or losetup commands creating hidden or encrypted FSDC0061 File Modification
linux:syslogSudo or root escalation followed by filesystem mount commandsDC0064 Command Execution

Mutable elements

Parameters MITRE marks as environment-specific. These are the knobs you are expected to tune; they are why an analytic is not a rule.

FieldDescription
AllowedMountPointsWhitelist standard mount points to reduce false positives.
UserContextFlag root escalation during mount operations.