Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the creation of an AF_ALG socket (address family 38) by a non-root user. This is a highly unusual action and serves as a primary early warning indicator for CVE-2026-31431 (Copy Fail) exploitation attempts.
This rule detects the execution of a Python proof-of-concept script named 'exp.py' followed by the execution of the 'su' binary on the same Linux host within a 5-minute window. This correlation is indicative of an attempt to exploit the 'Copy Fail' vulnerability (CVE-2026-31431), which leverages AF_ALG sockets to perform an in-memory page cache overwrite of the 'su' setuid binary to gain a root shell.
Detects the creation of AF_ALG (kernel crypto API) sockets from Python processes or processes explicitly referencing the 'authencesn' cryptographic template. This behavior is heavily associated with the "Copy Fail" (CVE-2026-31431) local privilege escalation exploit, which uses a Python script to chain AF_ALG and splice() to overwrite page cache pages.
This rule detects the execution of SUID binaries by a non-root user, immediately followed by the creation of a persistence mechanism such as a systemd service file or a cron job. This correlation aims to identify potential privilege escalation attempts where an attacker uses an SUID binary to gain elevated privileges and then establishes persistence on the system.
Detects attempts to disable SELinux by executing the 'setenforce 0' command on Linux systems. Disabling SELinux can reduce the security posture of a system and is often performed by attackers to simplify post-exploitation activities or to bypass security controls.
Detects the creation of symbolic links targeting the Restricted kernel object namespace, which the BlueHammer exploit uses for path confusion during a TOCTOU race condition to achieve Local Privilege Escalation.
Detects chmod usage that sets SUID or SGID bits, which can be abused for privilege escalation.
2 is the special bit for SGID
4 is the special bit for SetUID
6 combines the special bits for SetUID and SGID
2 is the special bit for SGID
4 is the special bit for SetUID
6 combines the special bits for SetUID and SGID
Detects when an Google Workspace user is granted admin privileges.
Detects when a PIM elevation is approved or denied. Outside of normal operations should be investigated.
Detects non-system users performing privileged operation os the SCM database
Detects non-Defender processes accessing or modifying the Defender signature definition file (mpasbase.vdm).
This behavior is indicative of the BlueHammer zero-day LPE, which leverages a batch oplock on this file to freeze Windows Defender mid-read, subsequently executing path confusion to force Defender to read the SAM hive as SYSTEM.
This behavior is indicative of the BlueHammer zero-day LPE, which leverages a batch oplock on this file to freeze Windows Defender mid-read, subsequently executing path confusion to force Defender to read the SAM hive as SYSTEM.
Identifies the suspicious use of AssumeRole. Attackers could move laterally and escalate privileges.
Detects when a user has been elevated to manage all Azure Subscriptions.
This change should be investigated immediately if it isn't planned.
This setting could allow an attacker access to Azure subscriptions in your environment.
This change should be investigated immediately if it isn't planned.
This setting could allow an attacker access to Azure subscriptions in your environment.
Detects the change of user type from "Guest" to "Member" for potential elevation of privilege.
Detects a suspicious local successful logon event where the Logon Package is Kerberos, the remote address is set to localhost, and the target user SID is the built-in local Administrator account.
This may indicate an attempt to leverage a Kerberos relay attack variant that can be used to elevate privilege locally from a domain joined limited user to local System privileges.
This may indicate an attempt to leverage a Kerberos relay attack variant that can be used to elevate privilege locally from a domain joined limited user to local System privileges.
Detects execution of NoFilter, a tool for abusing the Windows Filtering Platform for privilege escalation via hardcoded policy name indicators
Detects the use of getsystem Meterpreter/Cobalt Strike command by detecting a specific service installation
Detects the addition of a new member to the local administrator group, which could be legitimate activity or a sign of privilege escalation activity
Detects the modification of sensitive authorization objects (CD1251) within a role. This identifies potential 'backdoor' privilege escalation where a standard role is granted administrative powers (e.g., Debugging or System Table access) via PFCG.
The following analytic detects the execution of the 'gawk' command with elevated privileges on a Linux system. It leverages EDR telemetry to identify command-line execution data. This activity is significant because it indicates a potential privilege escalation attempt, allowing a user to execute system commands as root.
This rule detects privilege escalation events associated with Azure Arc agent processes. It monitors for specific Windows Security Event IDs (4672, 4673, 4674, 4688) where the involved process or its parent is an Azure Arc agent process (himds.exe, azcmagent.exe, gc_worker.exe, gc_service.exe) and the SubjectUserName is not a standard system account. This helps identify potential attempts to elevate privileges using or targeting the Azure Arc agent.
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