Equation Editor command stager — CVE-2017-11882 family

CVE_2017_11882_EQUATION_NATIVE_CMD_RELATED

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critical CVE_2017_11882_EQUATION_NATIVE_CMD_RELATED

What it means

Equation Native stream has invalid MTEF structure and embedded command-launch bytes.

Why it fires

The detector requires Equation Editor CLSID context, an invalid Equation Native/MTEF header, and process-launch command bytes inside the native stream. That combination is a weaponized Equation Editor exploitation pattern consistent with the CVE-2017-11882/CVE-2018-0802 family while avoiding individual attribution without a FONT/SIZE/MATRIX primitive.

Other Office heuristics

OLE_VBA_AFFINE_MSI_DOWNLOADER OLE_VBA_AUTOEXEC_FRAGMENTED_SHELL OLE_VBA_DESTRUCTIVE_WORKBOOK_SHUTDOWN OLE_VBA_BIDIRECTIONAL_MACROCOPY_REPLICATION OOXML_BRAND_LINK_MISMATCH_LURE CVE_2016_7262 POLYGLOT_OOXML_REL_COMMAND OLE_RAW_PCODE_CROSS_DOCUMENT_REPLICATION OLE_VBA_CROSS_WORKBOOK_REPLICATION OOXML_XLM_DANGEROUS_FN OFFICE_DEFAULT_PASSWORD_VBA_DROP_EXEC OFFICE_EMBEDDED_SWF EMBEDDED_OFFICE_CHILD_STATIC_TRIAGE OFFICE_EMBEDDED_MACRO_OBJECT OLE_EMBEDDED_EXE OLE_VBA_EMBEDDED_PE_DROPPER OLE_ENCRYPTED_AND_MALFORMED CVE_2017_11882 OLE_EQUATION_OLE10NATIVE_DOWNLOADER OLE_MTEF_NATIVE_CODE_STUB OLE_EQUATION_OLE10NATIVE_SHELLCODE OOXML_XLM_MACRO_IN_WORKSHEET OLE_XLS5_LAROUX_MACRO_VIRUS OLE_VBA_XLSTART_WORKBOOK_PERSISTENCE