<s>[INST] You are a cybersecurity and NLP expert tasked with named entity extraction. You need to provide the named entities for each token in the given sentence. You will be penalized for incorrect predictions. Identify the entities for the following sentence: 'APT28 is using novel techniques involving the EternalBlue exploit and the open source tool Responder to spread laterally through networks and likely target travelers .' [/INST] [APT28:B-HackOrg, is:O, using:O, novel:O, techniques:O, involving:O, the:O, EternalBlue:B-Exp, exploit:I-Exp, and:O, the:O, open:B-Tool, source:I-Tool, tool:I-Tool, Responder:B-Tool, to:O, spread:B-Purp, laterally:I-Purp, through:I-Purp, networks:I-Purp, and:O, likely:O, target:O, travelers:O, .:O] </s>