Azure Sentinel

@AzureSentinel
50 followers935 downloads1,416 copies43 likes37,640 views

1,223 detections

Detect Active Directory LDAP queries that search for Kerberoasting (SPNs) or accounts with Kerberos preauthentication not required from Azure ATP, and try to get the process initiated the LDAP query from MDATP.
Replace 389 on line 5 with LDAP port in your environment
Replace true on line 6 to false if you want to include Nt Authority process
This LDAP query cover Rubeus, Kerberoast, BloodHound tools
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
280181
This query helps hunting for possible device code Phishing attempts
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
131180
'This hunting query will alert on any Impossible travel activity in correlation with mailbox permission tampering followed by account being added to a PIM managed privileged group.
Ensure this impossible travel incident with increase of privileges is legitimate in your environment.'
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
30184
This query visualises the daily amount of emails that had an admin post delivery action, summarizing the data by action type
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
0014
'The purpose of this content is to identify successful phishing links accessed by users. Once a user clicks on a phishing link, we observe successful network activity originating from non-Microsoft network devices. These devices may include Palo Alto Networks, Fortinet, Check Point, and Zscaler devices.'
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
50160
This query visualises the daily amount of emails that had a post delivery action from zero-hour auto purge.
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
0013
This query visualises emails released from quarantine and summarizing the result by the original filter verdict
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
0013
'This query helps detect new Microsoft Entra ID sign in from a new location correlating with Office Activity data highlighting cases where user mails are being forwarded and shows if it is being forwarded to external domains as well.'
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
60141
Process executed from binary hidden in Base64 encoded file. Encoding malicious software is a.
Technique to obfuscate files from detection.
The first and second ProcessCommandLine component is looking for Python decoding base64.
The third ProcesssCommandLine component is looking for the Bash/sh commandline base64 decoding tool.
The fourth one is looking for Ruby decoding base64.
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
40137
'Identifies patterns in the time deltas of contacts between internal and external IPs in Fortinet network data that are consistent with beaconing.
Accounts for randomness (jitter) and seasonality such as working hours that may have been introduced into the beacon pattern.
The lookback is set to 1d, the minimum granularity in time deltas is set to 60 seconds and the minimum number of beacons required to emit a detection is set to 4.
Increase the lookback period to capture beacons with larger periodicities.
The jitter tolerance is set to 0.2 - This means we account for an overall 20% deviation from the infered beacon periodicity. Seasonality is dealt with automatically using series_outliers.
Note: In large environments it may be necessary to reduce the lookback period to get fast query times.'
Azure Sentinel@AzureSentinel
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AzureSentinel
1 year ago
20140
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