kevmap

TechniquesT1176.001 › AN0125

AN0125 Analytic 0125

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

<p>Manual or scripted installation of Chrome extensions using user scripts or config files, followed by unexpected network connections from browser processes.</p>
Detects
T1176.001 Browser Extensions
Part of
DET0044 Detecting Malicious Browser Extensions Across Platforms

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:SYSCALLopenDC0055 File Access
NSM:FlowBrowser connections to known C2 or dynamic DNS domainsDC0085 Network Traffic Content
auditd:SYSCALLexecveDC0032 Process 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
ExtensionDirLocation of Chrome/Chromium extensions under user profile may vary
DomainWatchlistCustom list of suspicious destination domains for browser traffic