OSAMiner – a mysterious strain with obfuscation at its coreĪccording to a number of earlier reports by Chinese researchers, the cryptominer under scrutiny debuted in 2015. As SentinelLabs states, Run-only AppleScripts are surprisingly rare, yet they are incredibly powerful and highly elusive.Case-in-point being the macOS.OSAMiner campaign, which took at least. It has been primarily doing the rounds via booby-trapped copies of pirated applications that run the gamut from popular video games to the Mac edition of the Microsoft Office suite. Having infiltrated a macOS computer, it gobbles up CPU resources, causes the system to freeze, and keeps victims from opening the Activity Monitor. Whereas these are vanilla hallmarks seen across the mainstream cryptominer environment, one characteristic makes OSAMiner stand out from the crowd. It’s all about the use of run-only AppleScripts, a mechanism that makes it extremely problematic to reverse-engineer code because it’s deeply compiled and isn’t human-readable. The silver lining is that experts at SentineLabs have found a way to overcome this obstacle. 1 YEAR UPGRADE BUYER PROTECTION PLAN E-MAIL VIRUS PROTECTION HANDBOOK FREE. They used a mix of a publicly available AppleScript disassembler and their proprietary decompiler solution to unearth the architecture of the sneaky malware. #Macos malware years runonly applescripts to upgrade Mac OS 8.5 remains the focus this week, as Geoff Duncan turns his attention to. Virus Scanning of Mail Attachments 90 Eudora for Windows and Macintosh 91. #Macos malware years runonly applescripts to mac os have been wishing for a PowerPC-native version of AppleScript for years. It turns out that OSAMiner operators have recently switched to a tactic where one run-only AppleScript file is embedded in another – as if the one-step obfuscation hadn’t been effective enough for years. With the new detection method in analysts’ toolkit, this cryptominer will likely become more detectable across the AV spectrum. #Macos malware years runonly applescripts to upgrade.#Macos malware years runonly applescripts to mac os.
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