CrowdStrike CCFH-202b Exam Dumps

Stacking (Frequency Analysis) is a recommended technique to find unique outliers among a set of data in the Falcon Event Search. As explained above, stacking involves grouping events by a common attribute and counting their frequency, then sorting them by ascending or descending order to identify rare or common events. This can help find anomalies or deviations from normal behavior that could indicate malicious activity. Hunt-and-Peck Search Methodology, Time-based Searching, and Machine Learning are not specific techniques to find unique outliers among a set of data.

A hunting hypothesis is a statement that describes a possible malicious activity that can be tested with data and analysis. A good hunting hypothesis should be specific, testable, and relevant to the problem or goal. In this case, the best hunting hypothesis from the following is that a password guessing attack is being executed against remote access mechanisms such as VPN, as it explains the possible cause and method of the user account lockouts in a specific and testable way. A zero-day vulnerability on a Microsoft Exchange server is too vague and does not explain how it relates to the lockouts. A hacked web application is also too vague and does not specify how it causes the lockouts. Users locking their accounts out because they recently changed their passwords is not a malicious activity and does not account for the increase in calls.

Lateral movement through a victim environment is an example of the Command & Control stage of the Cyber Kill Chain. The Cyber Kill Chain is a model that describes the phases of a cyber attack, from reconnaissance to actions on objectives. The Command & Control stage is where the adversary establishes and maintains communication with the compromised systems and moves laterally to expand their access and control.

This option is the correct one to complete the following EAM query:

event_simpleName=ProcessRollup2 FileName=$Recycle Bin

This query would search for any process execution that used a file stored in the Recycle Bin on a Windows host, as the asterisk (*) is a wildcard character that matches any number of characters before or after the specified string. The other options are not correct, as they use different wildcard characters that do not match the desired pattern.

MITRE ATT&CK Navigator is a tool that allows a threat hunter to populate and colorize all known adversary techniques in a single view. It is based on the MITRE ATT&CK framework, which is a knowledge base of adversary behaviors and tactics. The tool enables threat hunters to create custom matrices, layers, annotations, and filters to explore and model specific adversary techniques, with links to intelligence and case studies.