Elastic low stable eql

Data Encrypted via OpenSSL Utility

Identifies the execution of the OpenSSL utility to encrypt data. Adversaries may use OpenSSL to encrypt data to disrupt the availability of their target's data and may attempt to hold the organization's data to ransom for the purposes of extortion.

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Detection Logic

process where event.type == "start" and event.action in ("start", "exec", "executed", "exec_event", "ProcessRollup2") and
process.name : "openssl*" and process.args : "enc" and process.args : "-in" and process.args : "-out"

Field Validations

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