activity
20112022
most citedBeyond the Virus: A First Look at Coronavirus-themed Mobile Malware

26 citations · 158 across the 14 of their papers we have counts for

collaborators

14 papers

cs.SE2022★ 5 cited

Dataset Bias in Android Malware Detection

Yan Lin, Tianming Liu, Wei Liu +4

Researchers have proposed kinds of malware detection methods to solve the explosive mobile security threats. We argue that the experiment results are inflated due to the research b…

cs.CR2021★ 17 cited

Trade or Trick? Detecting and Characterizing Scam Tokens on Uniswap Decentralized Exchange

Pengcheng Xia, Haoyu wang, Bingyu Gao +6

The prosperity of the cryptocurrency ecosystem drives the need for digital asset trading platforms. Beyond centralized exchanges (CEXs), decentralized exchanges (DEXs) are introduc…

cs.CR2021★ 8 cited

Ethereum Name Service: the Good, the Bad, and the Ugly

Pengcheng Xia, Haoyu Wang, Zhou Yu +3

DNS has always been criticized for its inherent design flaws, making the system vulnerable to kinds of attacks. Besides, DNS domain names are not fully controlled by the users, whi…

cs.CR2020★ 9 cited

Don't Fish in Troubled Waters! Characterizing Coronavirus-themed Cryptocurrency Scams

Pengcheng Xia, Haoyu Wang, Xiapu Luo +6

As COVID-19 has been spreading across the world since early 2020, a growing number of malicious campaigns are capitalizing the topic of COVID-19. COVID-19 themed cryptocurrency sca…

cs.CR2020★ 26 cited

Beyond the Virus: A First Look at Coronavirus-themed Mobile Malware

Liu Wang, Ren He, Haoyu Wang +8

As the COVID-19 pandemic emerged in early 2020, a number of malicious actors have started capitalizing the topic. Although a few media reports mentioned the existence of coronaviru…

cs.CR2020★ 7 cited

Characterizing Cryptocurrency Exchange Scams

Pengcheng Xia, Bowen Zhang, Ru Ji +5

As the indispensable trading platforms of the ecosystem, hundreds of cryptocurrency exchanges are emerging to facilitate the trading of digital assets. While, it also attracts the…

cs.NI2018★ 21 cited

Beyond Google Play: A Large-Scale Comparative Study of Chinese Android App Markets

Haoyu Wang, Zhe Liu, Jingyue Liang +6

China is one of the largest Android markets in the world. As Chinese users cannot access Google Play to buy and install Android apps, a number of independent app stores have emerge…

cond-mat.stat-mech2018★ 12 cited

Analysis of fluctuations in the first return times of random walks on regular branched networks

Junhao Peng, Guoai Xu, Renxiang Shao +2

The first return time (FRT) is the time it takes a random walker to first return to its original site, and the global first passage time (GFPT) is the first passage time for a rand…

cs.CR2017★ 1 cited

FraudDroid: Automated Ad Fraud Detection for Android Apps

Feng Dong, Haoyu Wang, Li Li +5

Although mobile ad frauds have been widespread, state-of-the-art approaches in the literature have mainly focused on detecting the so-called static placement frauds, where only a s…

cond-mat.stat-mech2013★ 7 cited

Effects of node position on diffusion and trapping efficiency for random walks on fractal scale-free trees

Junhao Peng, Guoai Xu

We study unbiased discrete random walks on the FSFT based on the its self-similar structure and the relations between random walks and electrical networks. First, we provide new me…

cond-mat.stat-mech2013★ 21 cited

Efficiency analysis of diffusion on T-fractals in the sense of random walks

Junhao Peng, Guoai Xu

Efficiently controlling the diffusion process is crucial in the study of diffusion problem in complex systems. In the sense of random walks with a single trap, mean trapping time(M…

cond-mat.stat-mech2013★ 18 cited

Analysis of diffusion and trapping efficiency for random walks on non-fractal scale-free trees

Junhao Peng, Guoai Xu

We study discrete random walks on the NFSFT and provide new methods to calculate the analytic solutions of the MFPT for any pair of nodes, the MTT for any target node and MDT for a…

math-ph2012★ 5 cited

Tutte polynomial of pseudofractal scale-free web

Junhao Peng, Guoai Xu

The Tutte polynomial of a graph is a 2-variable polynomial which is quite important in both combinatorics and statistical physics. It contains various numerical invariants and poly…

math-ph2011★ 1 cited

Average path length for Sierpinski pentagon

Junhao Peng, Guoai Xu

In this paper,we investigate diameter and average path length(APL) of Sierpinski pentagon based on its recursive construction and self-similar structure.We find that the diameter o…