IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Modification of Environment Variable via Launchctledit
Identifies modifications to an environment variable using the built-in launchctl command. Adversaries may execute their own malicious payloads by hijacking certain environment variables to load arbitrary libraries or bypass certain restrictions.
Rule type: query
Rule indices:
- auditbeat-*
- logs-endpoint.events.*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Domain: Endpoint
- OS: macOS
- Use Case: Threat Detection
- Tactic: Defense Evasion
Version: 103
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule queryedit
event.category:process and host.os.type:macos and event.type:start and
process.name:launchctl and
process.args:(setenv and not (ANT_HOME or
DBUS_LAUNCHD_SESSION_BUS_SOCKET or
EDEN_ENV or
LG_WEBOS_TV_SDK_HOME or
RUNTIME_JAVA_HOME or
WEBOS_CLI_TV or
JAVA*_HOME) and
not *.vmoptions) and
not process.parent.executable:("/Applications/IntelliJ IDEA CE.app/Contents/jbr/Contents/Home/lib/jspawnhelper" or
/Applications/NoMachine.app/Contents/Frameworks/bin/nxserver.bin or
/Applications/NoMachine.app/Contents/Frameworks/bin/nxserver.bin or
/usr/local/bin/kr)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Hijack Execution Flow
- ID: T1574
- Reference URL: https://attack.mitre.org/techniques/T1574/
-
Sub-technique:
- Name: Path Interception by PATH Environment Variable
- ID: T1574.007
- Reference URL: https://attack.mitre.org/techniques/T1574/007/