Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
4,916 detections
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Detects suspicious Spring framework exceptions that could indicate exploitation attempts
Detects potential SpEL Injection exploitation, which may lead to RCE.
Detects when an account makes changes to the ingress or egress rules of a security group.
This can indicate that an attacker is attempting to open up new attack vectors in the account, that they are trying to exfiltrate data over the network, or that they are trying to allow machines in that VPC/Subnet to contact a C&C server.
This can indicate that an attacker is attempting to open up new attack vectors in the account, that they are trying to exfiltrate data over the network, or that they are trying to allow machines in that VPC/Subnet to contact a C&C server.
Detects changes to the security groups associated with an Elastic Load Balancer (ELB) or Application Load Balancer (ALB).
This can indicate that a misconfiguration allowing more traffic into the system than required, or could indicate that an attacker is attempting to enable new connections into a VPC or subnet controlled by the account.
This can indicate that a misconfiguration allowing more traffic into the system than required, or could indicate that an attacker is attempting to enable new connections into a VPC or subnet controlled by the account.
Detects changes to the security group entries for RDS databases.
This can indicate that a misconfiguration has occurred which potentially exposes the database to the public internet, a wider audience within the VPC or that removal of valid rules has occurred which could impact the availability of the database to legitimate services and users.
This can indicate that a misconfiguration has occurred which potentially exposes the database to the public internet, a wider audience within the VPC or that removal of valid rules has occurred which could impact the availability of the database to legitimate services and users.
Detects when a Security Compliance Center reported a user who exceeded sending limits of the service policies and because of this has been restricted from sending email.
Detects suspicious SSH / SSHD error messages that indicate a fatal or suspicious error that could be caused by exploiting attempts
Detects suspicious DNS error messages that indicate a fatal or suspicious error that could be caused by exploiting attempts
Detects suspicious VSFTPD error messages that indicate a fatal or suspicious error that could be caused by exploiting attempts
Rule to detect the use of the SCX RunAsProvider ExecuteScript to execute any UNIX/Linux script using the /bin/sh shell.
Script being executed gets created as a temp file in /tmp folder with a scx* prefix.
Then it is invoked from the following directory /etc/opt/microsoft/scx/conf/tmpdir/.
The file in that directory has the same prefix scx*. SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including
Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite.
Script being executed gets created as a temp file in /tmp folder with a scx* prefix.
Then it is invoked from the following directory /etc/opt/microsoft/scx/conf/tmpdir/.
The file in that directory has the same prefix scx*. SCXcore, started as the Microsoft Operations Manager UNIX/Linux Agent, is now used in a host of products including
Microsoft Operations Manager, Microsoft Azure, and Microsoft Operations Management Suite.
Detects suspicious child processes spawned from browsers. This could be a result of a potential web browser exploitation.
When IIS uses an old .Net Framework it's possible to enumerate folders with the symbol "~"
JNDIExploit Pattern
Sigma
Detects exploitation attempt using the JNDI-Exploit-Kit
USB Device Plugged
Sigma
Detects plugged/unplugged USB devices
Detects an installation of a device that is forbidden by the system policy
ISO Image Mounted
Sigma
Detects the mount of an ISO image on an endpoint
Detects the creation of recent element file that points to an .ISO, .IMG, .VHD or .VHDX file as often used in phishing attacks.
This can be a false positive on server systems but on workstations users should rarely mount .iso or .img files.
This can be a false positive on server systems but on workstations users should rarely mount .iso or .img files.
Detects the creation of a office macro file from a a suspicious process
Detects shell spawned from Java host process, which could be a sign of exploitation (e.g. log4j exploitation)
Detects suspicious child processes of the Veeam service process. This could indicate potential RCE or SQL Injection.
Detects cases in which an ISO files is opend within an archiver like 7Zip or Winrar, which is a sign of phishing as threat actors put small ISO files in archives as email attachments to bypass certain filters and protective measures (mark of web)
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