Ankit Mehta
@SecvynIndiaTrusted contributorCompletionist
8 followers9,573 downloads10,228 copies160 likes55,466 views
8,655 detections
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Detects execution of BlackX UEFI bootkit installer components, renamed helper binaries acting as payloads (such as jcef_helper.exe renamed to googleupdate.exe), or known malicious file hashes associated with BlackX campaigns.
Detects potential abuse of Tailscale SSH Unix socket forwarding where the tailscaled daemon touches sensitive files/sockets (such as docker.sock or /etc/shadow) or creates/replaces Unix sockets following an SSH session.
Detects execution of BlackX UEFI bootkit installer components, renamed helper binaries acting as payloads (such as jcef_helper.exe renamed to googleupdate.exe), or known malicious file hashes associated with BlackX campaigns.
Detects potential abuse of Tailscale SSH Unix socket forwarding where the tailscaled daemon touches sensitive files/sockets (such as docker.sock or /etc/shadow) or creates/replaces Unix sockets following an SSH session.
Detects Tailscale (tailscaled) reaching out to cloud instance metadata endpoints or Kubernetes internal service APIs, which may indicate unauthorized access or abuse of app connectors.
This rule monitors for network and user interaction with known phishing domains that impersonate Microsoft, Outlook, or Teams services. It aggregates data from DNS queries, device network connections, inbound email URL links, and web URL click events to identify potential phishing attempts using a community-sourced watchlist from phishunt.io.
This rule detects the use of 'docker cp' or 'sbx cp' commands which are susceptible to the CVE-2026-17106 (CopyEscape) vulnerability. This vulnerability allows a compromised container to perform arbitrary file writes or overwrites on the host system during archive extraction, potentially leading to container escape and privilege escalation by replacing critical system binaries like runc.
KQL Query from file: Check Vulnerable Citrix NetScaler
This rule monitors network traffic from CommonSecurityLog data to detect bidirectional communication between NetScaler appliances and known malicious infrastructure associated with the CVE-2026-88772 campaign, which is indicative of command-and-control activity.
This rule monitors for Cisco ASA/FTD device logs indicating an unexpected process crash (e.g., 'crashinfo', 'Traceback', 'decode-CF process restart') in conjunction with logs related to WebVPN activity or malformed HTTP requests. This pattern is indicative of potential exploitation attempts against the Cisco WebVPN service, such as those targeting CVE-2026-20349.
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