Azure Sentinel
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1,223 detections
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'Query finds accounts recorded as disabled by AD in previous time period but still using proxy in current time period. Presumes default squid log format is used. http://www.squid-cache.org/Doc/config/access_log/'
'Example query for SigninLogs showing how to break out packed fields. In this case extending conditional access Policies '
'This query identifies when a process execution command-line indicates that a registry value is written to allow for later execution a malicious script
References: https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/'
References: https://www.microsoft.com/security/blog/2021/03/04/goldmax-goldfinder-sibot-analyzing-nobelium-malware/'
'This query looks for file hashes and AV signatures associated with Prestige ransomware payload.'
'Dev-0530 actors are known to encrypt the contents of the victims device as well as renaming the file extensions. This query looks for the creation of files with .h0lyenc extension or presence of ransom note.'
'Identifies if an AV scan fails in Azure App Services.'
'Finds attempts to list users or groups using the built-in Windows 'net' tool '
Bazacall malware uses emails that contain a phone number for the user to call in order to cancel a fake subscription. These emails contain no links or attachments, and use automatic payment lures to trick users into contacting the number included in the email.
Microsoft has observed attackers who have gained entry to an environment via the Log4J vulnerability utilizing identifiable strings in PowerShell commands.
LemonDuck is an actively updated and robust malware primarily known for its botnet and cryptocurrency mining objectives. First discovered in 2019, LemonDuck has since adopted more sophisticated behavior and escalated its operations in 2021. Today, beyond using resources for its traditional bot and mining activities, LemonDuck steals credentials, removes security controls, spreads via emails, moves laterally, and ultimately drops more tools for human-operated activity.
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