<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: 'ViperRAT has been operational for quite some time , with what appears to be a test application that surfaced in late 2015 .' [/INST] [ViperRAT:B-Malware, has:O, been:O, operational:O, for:O, quite:O, some:O, time:O, ,:O, with:O, what:O, appears:O, to:O, be:O, a:O, test:O, application:O, that:O, surfaced:O, in:O, late:O, 2015:O, .:O] </s>