So-called run-only scripts-what we might today call “bytecode”-are poorly documented and difficult to analyze. So it’s hard to extract indicators of compromise out of malware obfuscated by them. What can DevOps learn from this? In this week’s Security Blogwatch, we learn lessons (not “learnings”). Your humble blogwatcher curated these bloggy bits for your entertainment. Not to mention: What everyone really wants. What’s the craic? Ionut Ilascu reports- Mac malware uses 'run-only' AppleScripts to evade analysis: A cryptocurrency mining campaign … is using malware that has evolved into a complex variant giving researchers a lot of trouble analyzing it. has been in the wild since at least 2015. Yet analyzing it is difficult because … it embeds a run-only AppleScript into another script and uses URLs in public web pages to download the actual … payloads.
#Malware used runonly avoid detection five code#
Run-only AppleScript … makes decompiling them into source code a tall order. #Macos malware used runonly applescripts avoid code#
… Security researchers at SentinelOne … were able to reverse engineer some samples they collected by using a lesser-known AppleScript disassembler (Jinmo’s applescript-disassembler) and a decompiler tool developed internally.Īnd Catalin Cimpanu adds- macOS malware used run-only AppleScripts to avoid detection for five years: A sneaky malware operation … used a clever trick to avoid detection and hijacked the hardware resources of infected users to mine cryptocurrency behind their backs. Named OSAMiner, the malware has been distributed in the wild since at least 2015. #Macos malware used runonly applescripts avoid code#.
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