kevmap

TechniquesT1027.006 › AN0873

AN0873 Analytic 0873

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

<p>Detection of browser-based downloads from HTML sources that trigger file creation in temp or user directories followed by execution of new files within short timeframes and suspicious parent-child lineage.</p>
Detects
T1027.006 HTML Smuggling
Part of
DET0313 Detection Strategy for HTML Smuggling via JavaScript Blob + Dynamic File Drop

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:SYSCALLexecveDC0032 Process Creation
linux:osqueryfile_eventsDC0039 File Creation

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
DownloadPathRegexRegular expressions for common download paths (e.g., /tmp/, ~/Downloads/)
ExecutableTriggerWindowTunable range for follow-up process execution from dropped file (e.g., 5–15 minutes)