Detections

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

113 detections

Detects signs of a supply chain attack, specifically referencing the IronWorm/Shai-Hulud pattern, involving the backdating of git commits, manipulation of git environment variables (GIT_COMMITTER_DATE/GIT_AUTHOR_DATE) to mask malicious activity history, and the use of 'touch' commands to modify file timestamps on project-related binaries and configuration files.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
009
Detects activity associated with the RoguePlanet exploit, which involves creating EICAR content and NTFS Alternate Data Streams (ADS) within specific staging directories (wdtest_temp or RP_<UUID>). This behavior is intended to trigger Windows Defender scans and induce a TOCTOU race condition (CVE-2026-50656) by manipulating file operations near the wermgr.exe process.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
106
This rule detects potentially suspicious modifications to Nginx configuration files or the usage of FastCGI directives such as fcgiwrap, fastcgi_pass, and proxy_pass. It specifically monitors for actions related to configuration changes (write, modify, create) or the establishment of backend communication via FastCGI parameters, which may indicate an attempt to gain remote code execution or persistence on a web server.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
003
Detects suspicious modifications to .github/workflows YAML files, unauthorized git commits with backdated timestamps, usage of noreply.github.com bot author names, and git push commands initiated by node.exe. This activity is indicative of the IronWorm malware attempting to manipulate CI/CD pipelines and exfiltrate secrets.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
102
Detects suspicious repository content updates, such as modifications to package files, workflow configurations, or README files, and activities involving automated user IDs like 'dependabot' or 'github-actions' that may indicate compromised CI/CD credentials or unauthorized repository defacement.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
002
Detects high-volume database record modifications
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Darshan Thummar@Mighty
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Detections.ai Community
4 months ago
002
Detects unauthorized or anomalous modifications to local vector database files by non-standard processes.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
105
Detects unauthorized or anomalous modifications to local vector database files (e.g., ChromaDB, FAISS SQLite) by non-standard processes, indicating an attacker attempting to poison the AI's retrieval context directly. The rule specifically looks for file modifications or renames of common vector database files (chroma.sqlite3, faiss_index.index, index.faiss) where the initiating process is not a standard AI/ML runtime (python.exe, node.exe, docker.exe) and there is an outbound network connection from that process to a non-localhost IP.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
105
Detects unauthorized or anomalous modifications to local vector database files by non-standard processes.
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nomit vyas@xoxo
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Detections.ai Community
4 months ago
002
Detects unauthorized or anomalous modifications to local vector database files by non-standard processes.
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Ibrahim Saud@tektrix
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Detections.ai Community
4 months ago
104
This rule detects the creation or modification of a file named 'config.dat' within the Windows print spooler's color driver directory (system32\spool\drivers\color). This activity is considered suspicious when it occurs outside of normal print workflows, as it could indicate malicious manipulation of printer configurations, potentially for persistence or privilege escalation. The rule focuses on capturing causality information to aid in investigation.
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Daniel Jeremiah@daniyyell
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Detections.ai Community
4 months ago
005
This rule detects attempts to modify the end-of-file marker on a network share, specifically looking for the 'SetEndOfFile' operation over SMB. This activity can be indicative of an attacker manipulating file sizes or content on shared resources, potentially as part of data staging or to evade detection. The rule is configured with a threshold to alert on 20 such events from the same source within 30 seconds, aiming to reduce noise from legitimate, infrequent operations.
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
007
Detects high-volume SQL operations indicative of data manipulation attacks
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
004
This rule detects attempts to manipulate stored records within an MSSQL database. It specifically looks for TCP traffic directed to port 1433 (the default MSSQL port) containing the keywords "UPDATE" and "SET" (case-insensitive) in the flow to the server. A threshold of 50 occurrences within 30 seconds from the same source IP is set to trigger an alert, indicating potential bulk data modification.
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
003
This rule detects attempts to modify stored data within a MySQL database, specifically looking for 'UPDATE' and 'WHERE' clauses in TCP traffic directed to the MySQL default port (3306). It triggers an alert if 50 such events are observed from the same source IP within a 30-second window, indicating potential malicious activity aimed at data integrity compromise.
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Darshan Thummar@Mighty
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Detections.ai Community
5 months ago
001
Detects modifications to the OpenClaw agent's SOUL.md file, which dictates the core behavior and instructions of the agent. Attackers exploit this by tampering with the file to persistently alter the agent's actions across all future sessions without needing traditional code execution, as seen in attacks against NVIDIA NemoClaw sandboxes.
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Tim Peck@timpeck
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Detections.ai Community
6 months ago
60448
Detects changes of sensitive and critical files. Monitors files that you don't expect to change without planning on Linux system.
These files include, but are not limited to, system configuration files, authentication files, and critical application files.
Attackers often target these files to maintain persistence, escalate privileges, or disrupt system operations.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
6 months ago
000
Detects modification of critical ICONICS Suite configuration files by unauthorized processes. Attackers can modify these files, such as changing the SMSLogFile path in IcoSetup64.ini, to redirect privileged file writes for privilege escalation or DoS, as seen in the CVE-2025-0921 exploit chain.
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Rudra Verma@Rudraverma
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CyberHawk Consultancy
9 months ago
4041
Detect a system being shutdown or put into different boot mode
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
11 months ago
000
Detects unexpected file modifications by 'dns.exe', which could indicate remote code execution or other exploitation, specifically referencing CVE-2020-1350 (SigRed). The rule filters out modifications to 'dns.log' to reduce false positives.
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SigmaHQ Detections@sigmaHQ
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SigmaHQ
1 year ago
2034
Detects when a virtual disk (.vmdk) from one virtual machine is attached to a different virtual machine. This is a key TTP used by threat groups like UNC3944 to perform offline credential theft (e.g., copying NTDS.dit from a domain controller) by mounting the disk to a separate, attacker-controlled staging VM.
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R W@shiftyroot
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Detections.ai Community
1 year ago
2174
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