kevmap

TechniquesT1027.017 › AN1409

AN1409 Analytic 1409

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

<p>Detects SVGs downloaded via browser that invoke AppleScript, osascript, or JavaScriptCore processes, followed by network egress or file drop to LaunchAgents or ~/Library.</p>
Detects
T1027.017 SVG Smuggling
Part of
DET0510 Detection Strategy for SVG Smuggling with Script Execution and Delivery Behavior

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
macos:endpointsecurityES_EVENT_TYPE_NOTIFY_EXECDC0032 Process Creation
macos:unifiedlogsubsystem: com.apple.WebKit or com.apple.WebKit.NetworkingDC0085 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
ScriptEnginesScriptable binaries such as osascript, jsc, JavaScriptCore – may vary by OS version
UserContextRestrict to non-system users or only specific login sessions
EmbeddedContentIndicatorsSVGs embedded inside PDFs or HTML with script-based triggers