Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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This query helps reviewing list of top users click on Phis URLs
This query helps identifying when new items being added to the Tenant/Allow Block List (TABL) in Defender for Office 365.
This query visualises total inbound emails with Phish detections summarizing the data by the top email sender P2 domain (SenderFromDomain).
Identify prior activity from this campaign using IOCs shared by Microsoft's Threat Intelligence Center, or MSTIC.
Read more: https://blogs.microsoft.com/on-the-issues/2020/10/28/cyberattacks-phosphorus-t20-munich-security-conference/
Read more: https://blogs.microsoft.com/on-the-issues/2020/10/28/cyberattacks-phosphorus-t20-munich-security-conference/
This query visualises the total amount of admin false positive submissions by the state of the submission.
In this detection, we track emails with personalized subjects.
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.
Snip3 is a family of related remote access trojans. Although the malware in this family contain numerous small variations, they all exhibit similar behaviors and techniques.
The following query looks for keywords observed in emails involved in a Snip3-associated campaign in April and May of 2021. The emails often have an aviation theme, and the campaign primarily targets organizations involved in travel or aviation. Note that keywords may change overtime. These emails were used to send malicious legitimate hosting provider links that redirected to VBS documents hosting loaders. The loaders initiate RevengeRAT or AsyncRAT downloads that eventually establish persistence on targets and exfiltrate data.
The following query looks for keywords observed in emails involved in a Snip3-associated campaign in April and May of 2021. The emails often have an aviation theme, and the campaign primarily targets organizations involved in travel or aviation. Note that keywords may change overtime. These emails were used to send malicious legitimate hosting provider links that redirected to VBS documents hosting loaders. The loaders initiate RevengeRAT or AsyncRAT downloads that eventually establish persistence on targets and exfiltrate data.
This query visualises emails submitted by admins as false negatives, summarizing the data by top 10 sender domains of those emails
This query helps reviewing malicious email detections by detection methods
This query helps reviewing count of users attacked more than x times average.
This query visualises total emails with Malware detections over time summarizing the data daily by various Malware detection technologies/controls.
This query displays the configuration auditing for 'Safe Attachments for SharePoint, OneDrive, and Microsoft Teams' and 'Safe Documents' in Microsoft Defender for Office 365.
This query visualises total inbound emails with Phish detections summarizing the data by the top recipient email address (RecipientEmailAddress)
This query visualises the amount of emails subject to a user type policy with action of block, summarizing the data daily
StrRAT is a Java-based remote access tool which steals browser credentials, logs keystrokes and take remote control of infected systems. It also has a module to download additional payload onto to the infected machine based on C2 server command. Additionally, this threat also has a ransomware encryption/decryption module which appends .crimson extension.
This query looks for Entra ID role adds identified by Microsoft Defender for Cloud Apps. It will require an corresponding app connector in Microsoft Defender for Cloud Apps.
This query helps in checking for spoofing attempts on the domain with Authentication failures
This query helps reviewing admin reported email submissions
This query visualises emails submitted by admins as false positives, summarizing the data by top 10 sender domains of those emails
This query helps hunt for emails with malicious attachments based on SH256 hash from external IOC source
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