← All detection heuristics · Office / OLE
medium
OLE_VBA_BASE64_NETWORK_IOC
What it means
VBA Base64 literals decode to network locations.
Why it fires
A bounded static decode recovered HTTP(S), FTP(S), or UNC configuration from literals used alongside a VBA Base64 decoder.
Other Office / OLE heuristics
OLE_VBA_SCHTASKS_SCRIPT_PERSISTENCE OLE_VBA_UNC_EXECUTABLE_LAUNCH OLE_SLACK_XOR_SCRIPT_BACKDOOR OLE_VBA_EMITTED_SCRIPT OLE_SLACK_XOR_SCRIPT OLE_SLACK_XOR_SCRIPT_CONFIG OLE_EICAR_DISPLAY_TEST OLE_BIFF_MAILTO_HYPERLINK OLE_BIFF_HLINK_NETWORK_URI OLE_BIFF_EXTERNAL_WORKBOOK_URI OLE_METADATA_UNC_PATH OLE_WORD_KGWEBURL