kevmap

TechniquesT1659 › AN0992

AN0992 Analytic 0992

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

<p>Detect suspicious file creations and process executions triggered by browser activity (e.g., injected payloads written to %AppData% or Temp directories, then executed). Correlate network anomalies with subsequent local process creation or script execution.</p>
Detects
T1659 Content Injection
Part of
DET0349 Detection Strategy for Content Injection

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
WinEventLog:SecurityEventCode=4688DC0032 Process Creation
WinEventLog:SysmonEventCode=11DC0039 File Creation
NSM:FlowUnexpected script or binary content returned in HTTP response bodyDC0085 Network Traffic Content

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
MonitoredExtensionsFile extensions to flag (exe, dll, js, vbs, sh, etc.).
SuspiciousParentProcessesBrowser processes (chrome.exe, firefox.exe, edge.exe, etc.) monitored as possible parents for malicious activity.
RedirectListList of suspicious domains or URLs used for malicious redirects.