DET0057: Detect Suspicious Access to securityd Memory for Credential Extraction
This detection strategy matters because it is aimed at a credential-access behavior: suspicious access to securityd memory that may expose credentials from...
Analyst context for executives and security teams
This detection strategy matters because it is aimed at a credential-access behavior: suspicious access to securityd memory that may expose credentials from the user logon keychain. For leaders, the practical issue is not just malware detection; it is whether privileged endpoint activity that could lead to password, WiFi, mail, browser, or certificate exposure would be visible quickly enough for containment and credential response.
Executive priority
Prioritize this as an identity and incident-response readiness question for environments where the related technique is relevant, especially systems associated with securityd/keychain behavior. Leaders should ask whether SOC teams can see privileged processes accessing sensitive daemon memory, whether responders have a playbook for suspected local credential extraction, and whether audit evidence exists for endpoint telemetry, privilege control, and post-incident credential rotation.
Technical view
The supplied ATT&CK object is a detection strategy with no official description, platform list, tactics, or detection logic, but it detects T1555.002 Securityd Memory, which is mapped to credential-access and lists Linux and macOS as related technique platforms. SOC and detection teams should validate visibility into privileged process behavior around securityd, memory access attempts against sensitive services, root-level execution context, and subsequent credential-use anomalies. Because no official detection analytic is supplied, detections should be treated as locally engineered and tested rather than assumed ATT&CK-provided coverage.
Likely telemetry
- Endpoint process creation and parent/child process telemetry
- Privileged or root execution events
- Process access or memory access telemetry involving securityd where available
- Endpoint security/EDR events for suspicious inspection of sensitive service memory
- Authentication and authorization logs around the same host and user context
Detection direction
- Confirm whether endpoint tooling records access to sensitive process memory, not just process start events.
- Tune for unusual or unauthorized processes interacting with securityd rather than alerting on all legitimate security or administrative tooling.
- Correlate memory-access behavior with privilege escalation, root-level activity, and later credential use to reduce false positives.
- Validate coverage specifically on systems where the related Securityd Memory technique is applicable; do not assume enterprise-wide coverage from generic EDR deployment alone.
- Document blind spots where operating system controls, privacy restrictions, or endpoint sensor configuration prevent inspection of process memory access events.
Mitigation priorities
- Reduce the number of users and tools with root or equivalent privileged access on relevant endpoints.
- Harden endpoint configurations and security controls that restrict or monitor access to sensitive daemon memory.
- Maintain response procedures for suspected local credential extraction, including host isolation, forensic collection, and scoped credential rotation.
- Use credential hygiene controls such as limiting stored credentials and reviewing exposure of passwords, certificates, and service access on endpoints.
- Ensure compliance and audit artifacts show that endpoint telemetry, privileged access controls, and incident-response actions are tested, not only documented.
Analyst notes and limits
This object is useful as a coverage prompt rather than a complete analytic. Its main value is forcing a conversation between IAM, endpoint security, SOC, and IR teams about whether privileged credential extraction from securityd memory would be observable and actionable.
The official detection strategy fields provide no description, platform list, tactic list, or detection text. All practical guidance is derived conservatively from the stated relationship to T1555.002 Securityd Memory and its supplied description, tactics, and platforms. Local operating system mix, endpoint sensor capability, and administrative tool usage are required to determine real coverage.
Detect Suspicious Access to securityd Memory for Credential Extraction
No official description is available in the imported ATT&CK source object.
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
Techniques used
This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.
| Domain | ID | Name | Relationship / procedure |
|---|---|---|---|
| Enterprise | T1555.002 | Securityd Memory Sub-technique | This object detects Securityd Memory. |
All related ATT&CK context
Object version and sync metadata
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Imported snapshots across ATT&CK releases (1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 1.0 | Current bundle | 478fc0dcf77b… |
Mirrored ATT&CK source object
The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
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mitre-attack DET0057Open source URL
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