Sysinternals Autoruns

Overview

Sysinternals Autoruns is a proactive detection tool that appears across incident response workflows in this knowledge base. It is referenced as part of higher-level security analysis, investigation, monitoring, or validation activity rather than as an end in itself.

What It Is

Sysinternals Autoruns is best understood as a incident-response tool in this knowledge base. Its role is conceptual and system-facing rather than procedural: it gives analysts or defenders a structured way to examine evidence, model system behavior, or reason about security state.

How It Works

Sysinternals Autoruns works by turning technical inputs into more interpretable outputs at the system level. Across the source skills, it appears as part of larger analysis, investigation, monitoring, or validation loops rather than as a standalone end state.

Core Concepts

• incident response
• eradication
• malware removal
• persistence
• dfir
• threat hunting
• mitre attack
• windows
• registry
• siem
• proactive detection

Typical Workflow

• schtasks /query /fo CSV /v > schtasks_all.csv
• 1. Enumerate Known Persistence Locations: Build a comprehensive list of Windows persistence points (Run keys, services, scheduled tasks, WMI, startup folder, DLL search order, COM hijacks, AppInit DLLs, Image File Execution Options).
• 2. Collect Endpoint Data: Use EDR, Sysmon, or Velociraptor to collect current persistence artifacts from endpoints across the environment.
• 3. Baseline Legitimate Persistence: Compare collected data against known-good baselines (Autoruns snapshots, GPO-deployed entries, SCCM configurations).
• 4. Identify Anomalies: Flag new, unsigned, or unknown entries in persistence locations that deviate from the baseline.
• 5. Investigate Suspicious Entries: For each anomaly, examine the binary it points to, its digital signature, file hash, and creation timestamp.
• 6. Correlate with Process Activity: Link persistence entries to process execution, network activity, and user login events.
• 7. Document and Remediate: Record findings, remove malicious persistence, and update detection rules.

Use Cases

• Malware infection confirmed and containment is in place
• Forensic investigation has identified all persistence mechanisms
• All compromised systems have been identified and scoped
• Ready to remove attacker artifacts and restore clean state
• Post-containment phase requires systematic cleanup
• During periodic proactive threat hunts for dormant backdoors
• After an incident to identify all persistence mechanisms an attacker planted
• When investigating unusual services, scheduled tasks, or startup entries
• When threat intel reports describe new persistence techniques in the wild
• During security posture assessments to identify unauthorized persistent software

Limitations

• Output still depends on context, data quality, and surrounding analysis.
• The tool should be interpreted as part of a broader workflow, not as a complete answer by itself.
• Capabilities and visibility vary depending on environment, integrations, and available inputs.

Related Tools

• Velociraptor, ClamAV, CrowdStrike, CrowdStrike Falcon, OSQuery, PowerShell, RECmd, Splunk

Sources

• eradicating-malware-from-infected-systems
• hunting-for-persistence-mechanisms-in-windows