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Generalizable Black-Box Adversarial Attack with Meta Learning | | Fei Yin
; Yong Zhang
; Baoyuan Wu
; Yan Feng
; Jingyi Zhang
; Yanbo Fan
; Yujiu Yang
; | | Date: |
1 Jan 2023 | | Abstract: | In the scenario of black-box adversarial attack, the target model’s
parameters are unknown, and the attacker aims to find a successful adversarial
perturbation based on query feedback under a query budget. Due to the limited
feedback information, existing query-based black-box attack methods often
require many queries for attacking each benign example. To reduce query cost,
we propose to utilize the feedback information across historical attacks,
dubbed example-level adversarial transferability. Specifically, by treating the
attack on each benign example as one task, we develop a meta-learning framework
by training a meta-generator to produce perturbations conditioned on benign
examples. When attacking a new benign example, the meta generator can be
quickly fine-tuned based on the feedback information of the new task as well as
a few historical attacks to produce effective perturbations. Moreover, since
the meta-train procedure consumes many queries to learn a generalizable
generator, we utilize model-level adversarial transferability to train the
meta-generator on a white-box surrogate model, then transfer it to help the
attack against the target model. The proposed framework with the two types of
adversarial transferability can be naturally combined with any off-the-shelf
query-based attack methods to boost their performance, which is verified by
extensive experiments. | | Source: | arXiv, 2301.00364 | | Services: | Forum | Review | PDF | Favorites | |
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