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Malware authors constantly obfuscate their files and defenders regularly develop new techniques to detect them. Given this cat-and-mouse game, specialized obfuscation services have appeared in the cybercrime industry. These services allow malware authors to obfuscate their code for a fee. This study investigates an automated obfuscation-as-a-service platform for Android applications and yields unique insights on the technical difficulties and business reality of those behind such a specialized service. The service investigated was found to be average in quality, mainly using known obfuscation techniques, and generating obfuscated applications that were still detected by anti-viruses. It had a small clientele of large-scale attackers who used the service to decrease anti-virus detections of highly malicious applications, thus increasing their chances of compromising devices. Depending on the price bundles considered, operators offering the service were estimated to have made a minimum revenue ranging from USD 5,100 (conservative) to USD 61,160 (optimistic) for a six-month operation. This study illustrates that even though obfuscation-as-a-service is a market niche, taking advantage of the value added from this specialization is not effortless nor easily accessible to everyone involved in cybercrime.
Sembera et al. (Wed,) studied this question.