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Which attribution evidence will have the lowest confidence level when evaluating assets to determine if they belong to an organization's attack surface?
Answer : C
The correct answer is C -- An asset attributed to the organization because the Subject Organization field contains the company name.
When determining ownership of assets in the attack surface, attribution based solely on the Subject Organization field containing the company name is considered less reliable than evidence based on domain registration, authoritative DNS relationships, or manual analyst validation. This is because the Subject Organization field may contain non-unique or common names, leading to a higher rate of false associations, and is not as strong as direct registration records or explicit analyst verification.
''The confidence level is lowest when asset attribution is based on the Subject Organization field, since this field may not be unique to the organization and can result in inaccurate mapping.''
Document Reference: XSIAM Analyst ILT Lab Guide.pdf
Page: Page 42 (Attack Surface Management section)
What is the expected behavior when querying a data model with no specific fields specified in the query?
Answer : D
The correct answer is D -- The xdm_core fieldset will be returned by default.
In Cortex XSIAM, when no specific fields are selected in a data model query, the xdm_core fieldset (which contains essential, core fields of the dataset) is automatically returned. This ensures analysts always have a baseline set of meaningful information in the results, even when fields are not explicitly specified.
'When no fields are specified in a data model query, Cortex XSIAM defaults to returning the xdm_core fieldset, which contains key metadata and context.'
Document Reference: EDU-270c-10-lab-guide_02.docx (1).pdf
Page: Page 29 (Data Model section)
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Which type of task can be used to create a decision tree in a playbook?
Answer : D
The correct answer is D -- Conditional.
Conditional tasks are used in Cortex XSIAM playbooks to create decision trees. They enable branching logic based on the outcome of previous steps, allowing the playbook to automatically choose different paths and actions depending on analysis results, alert types, or input values.
'Conditional tasks in playbooks enable the construction of decision trees, supporting dynamic response automation based on pre-defined criteria and branching logic.'
Document Reference: XSIAM Analyst ILT Lab Guide.pdf
Page: Page 38 (Automation and Playbooks section)
SCENARIO:
A security analyst has been assigned a ticket from the help desk stating that users are experiencing errors when attempting to open files on a specific network share. These errors state that the file format cannot be opened. IT has verified that the file server is online and functioning, but that all files have unusual extensions attached to them.
The security analyst reviews alerts within Cortex XSIAM and identifies malicious activity related to a possible ransomware attack on the file server. This incident is then escalated to the incident response team for further investigation.
Upon reviewing the incident, the responders confirm that ransomware was successfully executed on the file server. Other details of the attack are noted below:
* An unpatched vulnerability on an externally facing web server was exploited for initial access
* The attackers successfully used Mimikatz to dump sensitive credentials that were used for privilege escalation
* PowerShell was used on a Windows server for additional discovery, as well as lateral movement to other systems
* The attackers executed SystemBC RAT on multiple systems to maintain remote access
* Ransomware payload was downloaded on the file server via an external site "file io"
QUESTION STATEMENT:
The incident responders are attempting to determine why Mimikatz was able to successfully run during the attack.
Which exploit protection profile in Cortex XSIAM should be reviewed to ensure it is configured with an Action Mode of Block?
Answer : C
The correct answer is C -- Known Vulnerable Process Protection.
Known Vulnerable Process Protection in Cortex XSIAM is specifically designed to block or restrict execution of well-known attack tools and processes such as Mimikatz. This profile allows you to enforce an Action Mode of 'Block' to prevent such tools from running, even if they are executed as part of a privilege escalation or credential dumping attack.
'The Known Vulnerable Process Protection profile can be configured to block processes like Mimikatz, preventing credential dumping tools from running on protected endpoints.'
Document Reference: EDU-270c-10-lab-guide_02.docx (1).pdf
Page: Page 16 (Malware and Exploit Profile Management section)
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With regard to Attack Surface Rules, how often are external scans updated?
Answer : B
The correct answer is B - Daily.
In Cortex XSIAM's Attack Surface Management (ASM), external scans and associated attack surface rules are refreshed and updated on a daily basis. Daily updates ensure that security analysts are provided with timely and relevant insights regarding exposed assets and potential vulnerabilities that could impact the organization's security posture.
'External scans for Attack Surface Rules are updated daily to ensure the latest and most relevant security visibility.'
Document Reference: XSIAM Analyst ILT Lab Guide.pdf
Exact Page: Page 41 (Attack Surface Management Section)
