Persistence (TA0003)(opens in a new tab or window)
sequence by host.id with maxspan=5s
[process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and
process.parent.name == "apt" and process.args == "-c" and process.name in (
"bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish"
)
] by process.entity_id
[process where host.os.type == "linux" and event.type == "start" and event.action == "exec" and process.name : (
"bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish", "python*", "php*",
"perl", "ruby", "lua*", "openssl", "nc", "netcat", "ncat", "telnet", "awk"
)
] by process.parent.entity_id
Install detection rules in Elastic Security
Detect Suspicious APT Package Manager Execution in the Elastic Security detection engine by installing this rule into your Elastic Stack.
To setup this rule, check out the installation guide for Prebuilt Security Detection Rules(opens in a new tab or window).