MITRE ATT&CK technique
T1546 — Event Triggered Execution
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T1546 (Event Triggered Execution) is a MITRE ATT&CK technique tracked in WhisperGraph, serving the Privilege Escalation, Persistence tactics.
Description
Adversaries may establish persistence and/or elevate privileges using system mechanisms that trigger execution based on specific events. Various operating systems have means to monitor and subscribe to events such as logons or other user activity such as running specific applications/binaries. Cloud environments may also support various functions and services that monitor and can be invoked in response to specific cloud events.(Citation: Backdooring an AWS account)(Citation: Varonis Power Automate Data Exfiltration)(Citation: Microsoft DART Case Report 001) Adversaries may abuse these mechanisms as a means of maintaining persistent access to a victim via repeatedly executing malicious code. After gaining access to a victim system, adversaries may create/modify event triggers to point to malicious content that will be executed whenever the event trigger is invoked.(Citation: FireEye WMI 2015)(Citation: Malware Persistence on OS X)(Citation: amnesia malware) Since the execution can be proxied by an account with higher permissions, such as SYSTEM or service accounts, an adversary may be able to abuse these triggered execution mechanisms to escalate their privileges.
Tactics
Related techniques
- T1546.001Change Default File Association
- T1546.002Screensaver
- T1546.003Windows Management Instrumentation Event Subscription
- T1546.004Unix Shell Configuration Modification
- T1546.005Trap
- T1546.006LC_LOAD_DYLIB Addition
- T1546.007Netsh Helper DLL
- T1546.008Accessibility Features
- T1546.009AppCert DLLs
- T1546.010AppInit DLLs
- T1546.011Application Shimming
- T1546.012Image File Execution Options Injection
- T1546.013PowerShell Profile
- T1546.014Emond
- T1546.015Component Object Model Hijacking
- T1546.016Installer Packages
- T1546.017Udev Rules
- T1546.018Python Startup Hooks
Threat actors observed using this technique
No threat actor is recorded using T1546 in WhisperGraph.
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Related pages
Pivot from T1546 into its tactic, related techniques and the actors that use it.
Queries
Resolves the segment to this technique or tactic.
MATCH (t:ATTACK_PATTERN {name: $id})
RETURN t.id AS id, t.name AS name, t.kind AS kind, t.description AS descriptionRun yourself →The tactic(s) this technique serves.
MATCH (t:ATTACK_PATTERN {name: $id})-[:USES_TACTIC]->(tac:ATTACK_PATTERN)
RETURN tac.id AS id, tac.name AS name
LIMIT 10Run yourself →This id's parent technique, if it is a sub-technique.
MATCH (p:ATTACK_PATTERN {name: $parentId})
RETURN p.id AS id, p.name AS name
LIMIT 1Run yourself →Sub-techniques of this technique, if any.
MATCH (c:ATTACK_PATTERN) WHERE c.id STARTS WITH $subPrefix
RETURN c.id AS id, c.name AS name
ORDER BY c.id
LIMIT 25Run yourself →Threat actors observed using this technique.
MATCH (a:ACTOR)-[:USES_TECHNIQUE]->(t:ATTACK_PATTERN {name: $id})
RETURN a.name AS name
LIMIT 100Run yourself →Or query Whisper from your own LLM workflow via the Whisper MCP server.