macOS detection: Osascript Executing JavaScript Code With Objective-C - #4272
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rviskova13 wants to merge 4 commits into
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rviskova13
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P4T12ICK,
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ljstella,
nasbench,
onurmerdogan,
patel-bhavin,
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rosplk and
tccontre
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September 18, 2026 14:58
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Details
This detection idea follows a research focused on the abuse of osascript on macOS. It is equivalent of cmd.exe on macOS, allowing to execute various commands, code pieces and scripts. And it is often abused by attackers.
This particular one focuses on macOS osascript utility executing JavaScript for Automation (JXA) code, identified by the
-l JavaScriptinterpreter flag, with references to the Objective-C bridge. Adversaries may abuse JXA and Objective-C APIs to interact with macOS applications, access native system functionality, execute commands, or perform post-exploitation activity.