Detections

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

20,483 detections

Detects 'unshare' creating a user/mount/net namespace by a non-root user, outside
sanctioned container and sandbox runtimes. This is the shared precursor across CIFSwitch,
OVSwrap, pedit COW and container escapes. Enriched with a namespace-flag decode, an
exploit-family ProfileHint (user+net = OVSwrap shape, user+mount = CIFSwitch/overlay
shape), sandbox-lineage FP suppression, RiskScore / TriagePriority and DeviceInfo context.
Treat as a precursor/triage signal - MDE cannot tie unshare to the subsequent root
transition (no uid_change event). Detection logic adapted from Elastic Security Labs.
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Nagesh Venkataram@Nagesh
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Detections.ai Community
1 month ago
204
This rule performs a point-in-time sweep for known Indicators of Compromise (IOCs) associated with the NeedyMantis threat actor group. The detection logic searches for specific file, process, and image-load SHA256 hashes, communication with a known C2 domain (tripswithengine.com), and the use of a hard-coded user-agent string (Firefox/21.0) across various telemetry sources within the last 30 days.
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Ankit Mehta@Secvyn
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Detection & Hunting Community
1 month ago
104
This rule monitors for indicators of compromise (IOCs) associated with the Lunex Malware-as-a-Service (MaaS) campaign. It aggregates telemetry from file creation, process execution, and network connections to identify the presence of known malicious hashes, C2 IP addresses, phishing-related domains, and specific payload URLs.
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Arnold Chan@slaz
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Detection & Hunting Community
1 month ago
006
Detects when common web server worker processes spawn command-line tools or shell interpreters, which is a common post-exploitation technique used by web shells like Godzilla to execute arbitrary commands.
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Ankit Mehta@Secvyn
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Detections.ai Community
1 month ago
102
This rule detects potentially malicious command execution patterns in Linux environments, specifically targeting Node.js processes performing in-memory evaluation of code (often associated with fileless loaders) or the downloading of files with the .enc extension using common utilities like curl or wget, which may indicate C2 payload retrieval.
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Ankit Mehta@Secvyn
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Detections.ai Community
1 month ago
102
Detects a suspected exploitation attempt of CVE-2024-21412. The rule identifies a chain of execution involving an internet shortcut (.url) masquerading as a common file type (e.g., .jpg.url), which subsequently opens another shortcut to a WebDAV/IP host. This sequence is used to bypass Mark-of-the-Web (MotW) protections and execute a malicious batch script and Rundll32 process.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
10015
Detects various techniques used to escape from Linux container isolation, including accessing container daemon control sockets (Docker/containerd), abusing namespace operations (nsenter/setns), mounting sensitive host filesystem paths (e.g., /proc/1/root), performing chroot escapes, and abusing privileged capabilities or socket-based execution.
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Ankit Mehta@Secvyn
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Detections.ai Community
1 month ago
202
This rule detects the installation or execution of common Remote Monitoring and Management (RMM) tools (e.g., AnyDesk, ScreenConnect, Atera, Splashtop, TeamViewer) on Windows endpoints within a 4-hour window of associated cloud identity risk activity (such as risky sign-ins, MFA changes, or privilege grants). It filters out legitimate activity initiated via standard software management pipelines (e.g., SCCM, Intune) to identify potential unauthorized use of remote access software by adversaries following account compromise.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
202
Detects instances where the Windows Terminal application (or related processes like OpenConsole) spawns suspicious command-line utilities such as PowerShell, CMD, curl, or certutil with indicators of potential download activity or command-line obfuscation. This pattern is often indicative of interactive adversary activity attempting to stage tools or execute payloads.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
902
This rule detects the suspicious archival of browser credential files (e.g., Login Data, Cookies, wallet.dat) or the transmission of data to common command-and-control (C2) services such as Telegram, Discord, or raw IP addresses using common system tools like PowerShell, curl, or certutil.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
102
Detects the modification of Microsoft IIS configuration to disable HTTP logging using the appcmd.exe utility. This technique is often used by adversaries to impair security monitoring and evade detection after compromising a web server.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
0020
Detects the execution of PowerShell with suspicious command-line patterns indicative of obfuscation or malicious intent, including encoded commands, Base64 decoding, IEX combined with common download cmdlets, and specific obfuscation techniques like backtick concatenation, character casting, or variable concatenation.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
4012
Detects the abuse of the Windows Background Intelligent Transfer Service (BITS) via the bitsadmin command-line tool or PowerShell's Start-BitsTransfer to download files (such as .exe, .dll, or .ps1) or facilitate potential persistence. Adversaries use these methods to transfer malicious payloads stealthily in the background or to maintain persistence on a compromised host.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
0012
Detects the Kothamine post-installation technique where npm/node spawns PowerShell to reflectively load a .NET assembly stager into memory. This behavior is followed by the PowerShell process spawning anomalous instances of RuntimeBroker.exe or svchost.exe. These spawned processes exhibit suspicious characteristics, such as executing from non-standard file paths, having missing command-line arguments (like the required '-k' for svchost), or having an illegitimate parent process (powershell.exe) instead of standard system parents like services.exe or wininit.exe.
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Arnold Chan@slaz
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Detections.ai Community
1 month ago
205
Detects the execution of known PAYLOAD ransomware process-termination utilities (killer.exe or kill.exe). These tools are used by adversaries to forcefully terminate security software, backup services, and database processes prior to file encryption.
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Ankit Mehta@Secvyn
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Detections.ai Community
1 month ago
003
Detects the execution of files ending in '_win64.exe' from 'Perflogs' or 'Documents' directories, which is a known behavior of the Settra ransomware. The rule filters out common system and program file paths to reduce noise.
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Ankit Mehta@Secvyn
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Detections.ai Community
1 month ago
103
Detects the execution of a file named 'msedge_proxy.exe' located in temporary directories (AppData\Local\Temp or Windows\Temp). The rule excludes processes initiated from legitimate Microsoft Edge installation paths, and flags processes that are either spawned simultaneously with the parent or are not spawned by explorer.exe, indicating potential masquerading or unauthorized execution of a malicious file disguised as a browser component.
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Ankit Mehta@Secvyn
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Detections.ai Community
1 month ago
103
The following analytic identifies the first-time execution of child processes spawned by Zoom (zoom.exe or zoom.us). It leverages Endpoint Detection and Response (EDR) data, specifically monitoring process creation events and comparing them against previously seen child processes. This activity is significant because the execution of unfamiliar child processes by Zoom could indicate malicious exploitation or misuse of the application. If confirmed malicious, this could lead to unauthorized code execution, data exfiltration, or further compromise of the endpoint.
Splunk Security@SplunkSecurity
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Splunk Security Content
29 days ago
000
Detects suspicious network activity or credential exfiltration attempts occurring during package manager installation processes (npm, pip, yarn). The rule monitors for lifecycle scripts (e.g., preinstall, postinstall) spawning network utilities to external destinations or accessing common CI/CD secrets like AWS_SECRET_ACCESS_KEY or GITHUB_TOKEN.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
205
This rule detects unauthorized attempts to dump the memory of the Local Security Authority Subsystem Service (LSASS) process. It monitors for common post-exploitation tools (such as procdump, mimikatz, nanodump, and sqldumper) or built-in Windows techniques (using rundll32.exe with comsvcs.dll) that are typically used to extract sensitive credential material from process memory.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
This rule detects PowerShell processes initiated with command-line arguments that indicate obfuscation (e.g., -enc, -encodedCommand) or attempts to download or execute external content (e.g., IEX, Net.WebClient, Invoke-WebRequest). This pattern is commonly observed during the initial execution of malicious payloads or tool delivery.
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Ibrahim Saud@tektrix
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Detections.ai Community
1 month ago
002
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