Azure Sentinel
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'This query identifies whether an Active Directory user object was assigned a service principal name which could indicate that an adversary is preparing for performing Kerberoasting.
This query checks for event id 5136, that the Object Class field is "user" and the LDAP Display Name is "servicePrincipalName".
Ref: https://thevivi.net/assets/docs/2019/theVIVI-AD-Security-Workshop_AfricaHackon2019.pdf'
This query checks for event id 5136, that the Object Class field is "user" and the LDAP Display Name is "servicePrincipalName".
Ref: https://thevivi.net/assets/docs/2019/theVIVI-AD-Security-Workshop_AfricaHackon2019.pdf'
Search for the files that are using a compromised certificate associated with the Nobelium campaign.
You can remove the comments to:
1. get the list of devices where there is at least one file signed with the certificate
2. get the list of files signed with the certificate
3. get the list of files signed with the certificate group by Devices
You can remove the comments to:
1. get the list of devices where there is at least one file signed with the certificate
2. get the list of files signed with the certificate
3. get the list of files signed with the certificate group by Devices
Original Sigma Rule: https://github.com/Neo23x0/sigma/blob/master/rules/apt/apt_bear_activity_gtr19.yml.
Questions via Twitter: @janvonkirchheim.
Questions via Twitter: @janvonkirchheim.
This query was originally published on Twitter, by @MsftSecIntel.
The query helps detect emails associated with a campaign that has used open redirector URLs. The campaign's URLs begin with the distinct pattern, hxxps://t. Attackers use URL redirection to manipulate users into visiting a malicious website or to evade detection.
Reference - https://twitter.com/MsftSecIntel
The query helps detect emails associated with a campaign that has used open redirector URLs. The campaign's URLs begin with the distinct pattern, hxxps://t. Attackers use URL redirection to manipulate users into visiting a malicious website or to evade detection.
Reference - https://twitter.com/MsftSecIntel
Query for Microsoft Defender Antivirus detections.
Query #1: Query for Antivirus detection events.
Query #1: Query for Antivirus detection events.
This query looks for common webserver process names and identifies any processes launched using a scripting language (cmd, powershell, wscript, cscript), common initial profiling commands (net \ net1 \ whoami \ ping \ ipconfig),or admin commands (sc). Note that seeing thisactivity doesn't immediately mean you have a breach, though you might consider reviewing and honing the where clause to fit your specific web applications.
Those who don't mind false positives should consider also adding database process names to this list as well (i.e. sqlservr.exe) to identify potential abuse of xp_cmdshell.
Those who don't mind false positives should consider also adding database process names to this list as well (i.e. sqlservr.exe) to identify potential abuse of xp_cmdshell.
This query helps hunting for Emails containing links to IP addresses
This query visualises total emails with Malware detections summarizing the data by ThreatNames of the malware detected.
This query visualises total emails with Phish detections over time summarizing the data daily by various Phish Detection technologies/controls
Remote Monitoring and Management (RMM) programs are IT to manage remote endpoints. Attackers have begun to abuse these programs to persist or provide C2 channels.
https://github.com/jischell-msft/RemoteManagementMonitoringTools
https://github.com/jischell-msft/RemoteManagementMonitoringTools
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