With the development of Deep Neural Network (DNN), as well as the demand
growth of third-party DNN model stronger, there leaves a gap for backdoor
attack. Backdoor can be injected into a third-party model and has strong
stealthiness in normal situation, thus has been widely discussed. Nowadays
backdoor attack on deep neural network has been concerned a lot and there comes
lots of researches about attack and defense around backdoor in DNN.

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In this paper, we propose a robust avatar backdoor attack that integrated
with adversarial attack. Our attack can escape mainstream detection schemes
with popularity and impact that detect whether a model has backdoor or not
before deployed. It reveals that although many effective backdoor defense
schemes has been put forward, backdoor attack in DNN still needs to be
concerned. We select three popular datasets and two detection schemes with high
impact factor to prove that our attack has a great performance in aggressivity
and stealthiness.

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