US Patent 10009370 Detection and remediation of potentially malicious files

A method comprises obtaining a potentially malicious file, decoding the file to identify one or more code streams, processing each of the identified code streams to determine the presence of respective ones of a set of indicators of compromise, determining whether the file is malicious based on the presence of one or more of the indicators of compromise in the code streams, and modifying access by a given client device to the file responsive to determining that the file is malicious.