Detections

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

20,499 detections

Detects the creation of scheduled tasks using the 'schtasks.exe' utility that point to suspicious script execution, encoded commands, or files located in commonly abused writable directories like Temp or ProgramData. This behavior is indicative of potential persistence mechanisms.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
102
Detects the creation of scheduled tasks using the 'schtasks.exe' utility that point to suspicious script execution, encoded commands, or files located in commonly abused writable directories like Temp or ProgramData. This behavior is indicative of potential persistence mechanisms.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
102
Detects the use of rundll32.exe or regsvr32.exe to execute code via remote scripts, COM scriptlets, or JavaScript. This technique is often used in fileless malware or to bypass execution policies by loading scripts directly from a URL or local file.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
KQL Query
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Ankit Mehta@Secvyn
Defender - KQL
1 month ago
002
Detects suspicious behavior where an identical executable (same path and SHA256) is launched twice within a short window (60 minutes) following a system reboot, utilizing two distinct persistence methods: one triggered via the Task Scheduler (under svchost.exe -k netsvcs) and one via a user logon autostart mechanism (spawned by explorer.exe).
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Ankit Mehta@Secvyn
Defender - KQL
1 month ago
002
Detects a multi-stage infection chain involving communication with known malicious infrastructure ('mnoskemp.beer'), staging and extraction of password-protected archives using '7za.exe' in temporary directories, installation of a spoofed OBS Studio MSI package, and subsequent DLL side-loading of malicious libraries (e.g., 'obs.dll', 'WSql-2.dll') by the 'obs64.exe' process when initiated from outside legitimate installation paths.
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Ankit Mehta@Secvyn
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Detection & Hunting Community
1 month ago
002
Detects a multi-stage infection chain involving communication with known malicious infrastructure ('mnoskemp.beer'), staging and extraction of password-protected archives using '7za.exe' in temporary directories, installation of a spoofed OBS Studio MSI package, and subsequent DLL side-loading of malicious libraries (e.g., 'obs.dll', 'WSql-2.dll') by the 'obs64.exe' process when initiated from outside legitimate installation paths.
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Ankit Mehta@Secvyn
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Hunters
1 month ago
002
This rule detects a multi-stage attack chain involving the execution of a script (likely config.cmd) via curl, followed by the modification of the Active Setup StubPath registry key for persistence, and subsequent execution of a Python script (config.py) from a non-standard location in AppData\Local\Microsoft\.
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Ankit Mehta@Secvyn
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Detection & Hunting Community
1 month ago
002
Detects a multi-stage infection chain involving communication with known malicious infrastructure ('mnoskemp.beer'), staging and extraction of password-protected archives using '7za.exe' in temporary directories, installation of a spoofed OBS Studio MSI package, and subsequent DLL side-loading of malicious libraries (e.g., 'obs.dll', 'WSql-2.dll') by the 'obs64.exe' process when initiated from outside legitimate installation paths.
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Ankit Mehta@Secvyn
Defender - KQL
1 month ago
002
This rule detects potentially malicious activity involving the execution of Node.js scripts initiated by system script proxies (wscript, cscript, msiexec) within specific paths, often associated with subsequent installation of VBScript agents or direct network communication with a known command-and-control IP address.
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Ankit Mehta@Secvyn
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Hunters
1 month ago
002
KQL Query from file: JivaChat Installer - Full Chain
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Ankit Mehta@Secvyn
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Detection & Hunting Community
1 month ago
002
This rule detects a multi-stage attack chain involving the execution of a script (likely config.cmd) via curl, followed by the modification of the Active Setup StubPath registry key for persistence, and subsequent execution of a Python script (config.py) from a non-standard location in AppData\Local\Microsoft\.
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Ankit Mehta@Secvyn
Defender - KQL
1 month ago
002
Detects suspicious execution of command-line utilities (cmd.exe, powershell.exe, conhost.exe) directly from Windows Explorer (explorer.exe), which is often indicative of fileless malware execution, downloader activity, or 'ClickFix' style social engineering attacks.
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Ankit Mehta@Secvyn
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Detection & Hunting Community
1 month ago
002
KQL Query from file: JivaChat Installer - Full Chain
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Ankit Mehta@Secvyn
Defender - KQL
1 month ago
002
Detects a suspicious sequence where Microsoft Outlook launches Microsoft Edge to open a URL, and that browser process subsequently makes network connections to infrastructure associated with the ClickFix phishing campaign (e.g., rsvpopenh.one or specific malicious IP).
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Ankit Mehta@Secvyn
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Hunters
1 month ago
002
Detects a suspicious sequence where Microsoft Outlook launches Microsoft Edge to open a URL, and that browser process subsequently makes network connections to infrastructure associated with the ClickFix phishing campaign (e.g., rsvpopenh.one or specific malicious IP).
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Ankit Mehta@Secvyn
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Detection & Hunting Community
1 month ago
002
Detects a suspicious sequence where Microsoft Outlook launches Microsoft Edge to open a URL, and that browser process subsequently makes network connections to infrastructure associated with the ClickFix phishing campaign (e.g., rsvpopenh.one or specific malicious IP).
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Ankit Mehta@Secvyn
Defender - KQL
1 month ago
002
Detects execution of encoded commands in macOS terminal environments that originate from clipboard content mimicking a reCAPTCHA verification process. This pattern often involves users being social-engineered into pasting a malicious string that decodes a payload and pipes it directly into a shell interpreter (sh/bash/zsh). The rule monitors for the co-occurrence of base64/openssl decoding commands and shell execution pipes, while filtering out known legitimate software installation patterns.
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Arnold Chan@slaz
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Midnight Slayer
1 month ago
101
Detects execution of encoded commands in macOS terminal environments that originate from clipboard content mimicking a reCAPTCHA verification process. This pattern often involves users being social-engineered into pasting a malicious string that decodes a payload and pipes it directly into a shell interpreter (sh/bash/zsh). The rule monitors for the co-occurrence of base64/openssl decoding commands and shell execution pipes, while filtering out known legitimate software installation patterns.
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Arnold Chan@slaz
Defender - KQL
1 month ago
101
Detects the execution of the RUSTYSHADE Rust-based backdoor, observed during Operation RapidRust, associated with the threat group APT36 (Transparent Tribe). The rule monitors for the specific 'DriverInstaller.exe' filename, known malicious file hashes, and suspicious command-line patterns involving PowerShell-based downloads of 'DriverInstaller.zip' from Backblaze cloud storage.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
006
Detects the launch or execution of common remote access tools such as AnyDesk, TeamViewer, Quick Assist, or Microsoft Remote Assistance (msra.exe) on an endpoint, excluding instances where these tools act as the parent process. This rule serves as one component of a broader detection chain for potentially unauthorized remote access.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
005
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