103 citations · 139 across the 9 of their papers we have counts for
10 papers
Analyzing In-browser Cryptojacking
Muhammad Saad, David Mohaisen
Cryptojacking is the permissionless use of a target device to covertly mine cryptocurrencies. With cryptojacking, attackers use malicious JavaScript codes to force web browsers int…
e-PoS: Making Proof-of-Stake Decentralized and Fair
Muhammad Saad, Zhan Qin, Kui Ren +2
Blockchain applications that rely on the Proof-of-Work (PoW) have increasingly become energy inefficient with a staggering carbon footprint. In contrast, energy-efficient alternati…
Towards Characterizing COVID-19 Awareness on Twitter
Muhammad Saad, Muhammad Hassan, Fareed Zaffar
The coronavirus (COVID-19) pandemic has significantly altered our lifestyles as we resort to minimize the spread through preventive measures such as social distancing and quarantin…
Contra-*: Mechanisms for Countering Spam Attacks on Blockchain's Memory Pools
Muhammad Saad, Joongheon Kim, DaeHun Nyang +1
Blockchain-based cryptocurrencies, such as Bitcoin, have seen on the rise in their popularity and value, making them a target to several forms of Denial-of-Service (DoS) attacks, a…
Secure and Transparent Audit Logs with BlockAudit
Ashar Ahmad, Muhammad Saad, Aziz Mohaisen
Audit logs serve as a critical component in enterprise business systems and are used for auditing, storing, and tracking changes made to the data. However, audit logs are vulnerabl…
Exploring the Attack Surface of Blockchain: A Systematic Overview
Muhammad Saad, Jeffrey Spaulding, Laurent Njilla +4
In this paper, we systematically explore the attack surface of the Blockchain technology, with an emphasis on public Blockchains. Towards this goal, we attribute attack viability i…
Exploring Spatial, Temporal, and Logical Attacks on the Bitcoin Network
Muhammad Saad, Victor Cook, Lan Nguyen +2
In this paper, we explore the partitioning attacks on the Bitcoin network, which is shown to exhibit spatial bias, and temporal and logical diversity. Through data-driven study we…
Countering Selfish Mining in Blockchains
Muhammad Saad, Laurent Njilla, Charles Kamhoua +1
Selfish mining is a well known vulnerability in blockchains exploited by miners to steal block rewards. In this paper, we explore a new form of selfish mining attack that guarantee…
Towards Blockchain-Driven, Secure and Transparent Audit Logs
Ashar Ahmad, Muhammad Saad, Mostafa Bassiouni +1
Audit logs serve as a critical component in the enterprise business systems that are used for auditing, storing, and tracking changes made to the data. However, audit logs are vuln…
End-to-End Analysis of In-Browser Cryptojacking
Muhammad Saad, Aminollah Khormali, Aziz Mohaisen
In-browser cryptojacking involves hijacking the CPU power of a website's visitor to perform CPU-intensive cryptocurrency mining, and has been on the rise, with 8500% growth during…