
Google SecOps
@GoogleSecOps4 followers1,217 downloads379 copies1 like18,178 views
758 detections
Filters
Last updated
All Time
Detection languages
756
2
Categories
189
188
109
81
77
Platforms
257
198
122
112
67
Products / Services
186
94
93
69
52
MITRE Techniques
237
181
109
95
79
CVEs
4
4
Detects when a new group is successfully created within Office 365. This rule specifically looks for events indicating a 'GROUP_CREATION' event type with a product event type of 'Add group.' originating from 'Office 365' by 'Microsoft', where the action was 'ALLOW'. This can help identify legitimate administrative actions or potentially unauthorized group creation.
Logins to Azure AD PowerShell app can have legitimate purposes, but are also abused to gain access to user information. Programatic access to Azure AD should generally be through other apps
Estimate Access is an undocumented API in MS Graph and is used in the following GraphRunner functions Get-UpdatableGroups, Get-DynamicGroups and Invoke-GraphRecon. Although not inherently malicious, it does submit an action and then determines if the user can perform it
This detects actions intended to identify updatable groups in Entra ID. GraphRunner contains a function called Get-UpdatableGroups but other tools may as well.
Detects when a group is attempted to be created but fails in Office 365. This could be due to insufficient permissions or other errors
Detects authentication to O365 followed by a non-interactive sign-ins that aligns to suspicious activity.
Detect when a GCP Firewall rule is opened to the world (0.0.0.0/0) on all protocols.
The authorization policy of Entra ID (User Settings) contains information about who can create applications, invite guest users and more. It's not something that is generally modified or reviewed except by administrators so it's worth knowing who may be requesting this endpoint.
Identify when the http delete method is being called within the Microsoft Graph API.
Identify the use GraphRunner's Invoke-DumpApps function to collect applications and external apps as well as users that consented to permissions in their apps.
Page 46 of 76
