Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects attempts to exploit the Squidbleed vulnerability by monitoring 'squid.exe' process command lines for keywords related to FTP default configuration exploitation, specifically 'Safe_ports', 'CONNECT', 'PORT', 'PASV', '21', and 'tcp_outgoing_address'. This indicates an adversary trying to bypass security controls or exfiltrate data via FTP.
Detects MYRA RAT install-guard.js preinstall hook forcing re-execution with sudo npm install -g apintergrationpost to gain root privileges
Detects Node.js processes launched with TLS certificate verification disabled via NODE_TLS_REJECT_UNAUTHORIZED=0. The Sapphire Sleet easy-day-js dropper uses this technique to establish C2 communication without certificate validation.
Detects a successful self-service password reset for a privileged or high-value account when the initiating context does not match an approved helpdesk workflow.
This rule detects the execution of VBScript files (.vbs or .vbe) by wscript.exe or cscript.exe where the filename contains keywords commonly associated with phishing lures (e.g., 'Invoice', 'Bill', 'Statement', 'Report', 'Debit', 'Credit', 'Notice', 'Alert', 'Urgent', 'Payment'). The rule triggers if three or more such executions are observed within a one-hour window on a single device, indicating potential malicious activity often associated with phishing campaigns.
Detects emails successfully delivered to the inbox that exhibit authentication failures for SPF, DKIM, or DMARC, or where a mismatch between the 'SenderFromDomain' and 'SenderMailFromDomain' is observed, indicating potential email spoofing or unauthorized sender impersonation.
Detects rapid failed local Windows account logon attempts consistent with Pony malware's built-in dictionary brute-force routine. The rule identifies a high volume of type-2 interactive logon failures against multiple local accounts in a short time window, indicative of brute-force activity using LogonUserA.
This rule detects potentially malicious Wi-Fi network enumeration or profile creation using 'netsh' or 'nmcli', as well as the loading of 'wlanapi.dll' by non-standard, unauthorized processes. Such activities can indicate an attempt by an adversary to discover, connect to, or exfiltrate data via nearby wireless networks.
Detects high-volume SSH or network logon failures from a single source IP address within a short time window, indicative of a brute force attack. The rule specifically mentions consistency with 'mpbrute2.bin' tooling used in the 'FortiBleed' campaign.
Detection rule monitoring for indicators of compromise related to SolarWinds Serv-U, including anomalous Content-Encoding headers, unexpected child process execution, large file staging indicative of data exfiltration (Cl0p-style), outbound exfiltration, SQL injection artifacts, and unauthorized LDAP/Active Directory object enumeration by the Serv-U process.
This rule monitors Cisco Unified Communications Manager (UCM) environments for multiple stages of an attack chain, including potential Server-Side Request Forgery (SSRF) attempts against administrative interfaces, suspicious file modifications by service accounts, indicators of privilege escalation, and anomalous outbound network connections from core Cisco processes.
Detects a specific persistence mechanism where a scheduled task named 'TPMProfiler' is used to run QEMU, establishing an SSH backdoor. This technique was identified by Huntress in post-exploitation activity related to SolarWinds WHD exploitation.
Supply chain worm targeting npm packages and GitHub Actions, linked to Shai-Hulud/Hades lineage
Supply chain worm targeting npm packages and GitHub Actions, linked to Shai-Hulud/Hades lineage
Supply chain worm targeting npm packages and GitHub Actions, linked to Shai-Hulud/Hades lineage
Photo-themed ZIP phishing campaign dropping a Node.js implant
Supply chain worm targeting npm packages and GitHub Actions, linked to Shai-Hulud/Hades lineage
AI-powered phishing-as-a-service abusing device-code authentication
AI-powered phishing-as-a-service abusing device-code authentication
AI-powered phishing-as-a-service abusing device-code authentication
AI-powered phishing-as-a-service abusing device-code authentication
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