kevmap

TechniquesT1036.010 › AN1078

AN1078 Analytic 1078

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

<p>Detects creation or renaming of accounts with names that closely match known service, root, or admin accounts. Behavior often follows account discovery or deletion, attempting to blend into system activity logs using trusted name conventions.</p>
Detects
T1036.010 Masquerade Account Name
Part of
DET0383 Detection Strategy for Masquerading via Account Name Similarity

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:SYSCALLadduserDC0014 User Account Creation
auditd:SYSCALLusermod, or account rename system callsDC0010 User Account Modification
linux:osqueryListing of /etc/passwd and /etc/shadow metadataDC0013 User Account Metadata

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
AllowedSystemAccountsWhitelist of legitimate service accounts used for validation.
LevenshteinThresholdEdit distance sensitivity between created account and existing account names.
ScriptInitiatorDetectionWhether to flag account creation events triggered from suspicious scripts or shell histories.