Detections

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

9,758 detections

Detects installation of a potentially suspicious new shim with an uncommon extension using sdbinst.exe.
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by application shims
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects a suspicious process pattern which could be a sign of an exploited Serv-U service
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Use of the commandline to shutdown or reboot windows
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects the rare use of the command line tool shutdown to logoff a user
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects potentially uncommon child processes of SndVol.exe (the Windows volume mixer)
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detect attacker collecting audio via SoundRecorder application.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects potentially suspicious SQL queries using SQLCmd targeting the Veeam backup databases in order to steal information.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Execution of ssh.exe to perform data exfiltration and tunneling through RDP
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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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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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects potential network sniffing via use of network tools such as "tshark", "windump".
Network sniffing refers to using the network interface on a system to monitor or capture information sent over a wired or wireless connection.
An adversary may place a network interface into promiscuous mode to passively access data in transit over the network, or use span ports to capture a larger amount of data.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects suspicious command line flags that let the user set a target user and command as e.g. seen in PsExec-like tools
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects potential use of an SSH utility to establish RDP over a reverse SSH Tunnel. This can be used by attackers to enable routing of network packets that would otherwise not reach their intended destination.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects launch of the PSEXESVC service, which means that this system was the target of a psexec remote execution
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects suspicious sysprep process start with AppData folder as target (as used by Trojan Syndicasec in Thrip report by Symantec)
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects execution of "Tpmvscmgr.exe" to create a new virtual smart card.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects execution of the "VMwareToolBoxCmd.exe" with the "script" and "set" flag to setup a specific script to run for a specific VM state
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects execution of the "VMwareToolBoxCmd.exe" with the "script" and "set" flag to setup a specific script that's located in a potentially suspicious location to run for a specific VM state
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects suspicious child process creations of VMware Tools process which may indicate persistence setup
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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When configured with suitable command line arguments, w32tm can act as a delay mechanism
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects the deletion of backups or system state backups via "wbadmin.exe".
This technique is used by numerous ransomware families and actors.
This may only be successful on server platforms that have Windows Backup enabled.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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Detects possible execution via LNK file accessed on a WebDAV server.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
2 years ago
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