kevmap

TechniquesT1027 › AN1068

AN1068 Analytic 1068

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

<p>Detects encoded PowerCLI or Base64-encoded payloads staged via datastore uploads or shell access (e.g., ESXi Shell or backdoored VIBs).</p>
Detects
T1027 Obfuscated Files or Information
Part of
DET0378 Behavioral Detection of Obfuscated Files or Information

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
esxi:vmkernelDatastore modification eventsDC0059 File Metadata
esxi:hostdRemote access API calls and file uploadsDC0021 OS API Execution

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
StagingLocationTune based on observed adversary paths (e.g., /vmfs/volumes/...)
EncodedLengthThresholdTune length of encoded payloads before triggering detection

KEV CVEs whose mapped technique this analytic detects

CVEVendor / productState
CVE-2010-2883Adobe Acrobat and ReaderMapped
CVE-2021-40449Microsoft WindowsMapped
CVE-2021-40539Zoho ManageEngineMapped
CVE-2021-44077Zoho ManageEngine ServiceDesk Plus (SDP) / SupportCenter PlusMapped
CVE-2022-24086Adobe Commerce and Magento Open SourceMapped