SigmaHQ Detections
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6,797 detections
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Detects execution of the "groupdel" binary. Which is used to delete a group. This is sometimes abused by threat actors in order to cover their tracks
Detects execution of binaries located in potentially suspicious locations via "nohup"
Rule to detect the use of the SCX RunAsProvider Invoke_ExecuteShellCommand to execute any UNIX/Linux command using the /bin/sh shell.
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.
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 execution of the perl binary with the "-e" flag and common strings related to potential reverse shell activity
Detects usage of the PHP CLI with the "-r" flag which allows it to run inline PHP code. The rule looks for calls to the "fsockopen" function which allows the creation of sockets.
Attackers often leverage this in combination with functions such as "exec" or "fopen" to initiate a reverse shell connection.
Attackers often leverage this in combination with functions such as "exec" or "fopen" to initiate a reverse shell connection.
Detects execution of ruby with the "-e" flag and calls to "socket" related functions. This could be an indication of a potential attempt to setup a reverse shell
Detects usage of system utilities (only grep and egrep for now) to discover security software discovery
Detects potential container discovery via listing of certain kernel features in the "/proc" virtual filesystem
Detects a suspicious curl process start on linux with set useragent options
Detects listing or file reading of ".dockerenv" which can be a sing of potential container discovery
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