Darshan Thummar
@MightyCompletionist
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This rule detects potential executive leadership directory scraping attempts. It triggers an alert when a client makes 10 or more HTTP requests containing the word "leadership" (case-insensitive) in the URI within a 30-second window. This behavior could indicate an attacker attempting to gather information about key personnel for social engineering or other reconnaissance purposes.
This rule detects enumeration attempts of partner and vendor pages on a web server. It triggers when a client makes 20 or more HTTP requests containing the case-insensitive string "partner" in the URI within a 30-second window, indicating a potential reconnaissance activity to discover sensitive or specific sections of a website.
This rule detects a potential network scan targeting firewall management interfaces. It specifically looks for TCP SYN packets (flags:S) directed to port 8443 on the home network, which is a common port for firewall management. The rule triggers if 5 such connection attempts are observed from the same source within a 60-second window, indicating a threshold-based scan.
This rule detects HTTP requests to known BGP route lookup services (bgp.he.net, bgpview.io, ipwhois.io). This activity is often associated with reconnaissance, specifically IP block discovery, where an attacker or red team member is gathering information about an organization's network infrastructure.
This rule detects network host discovery attempts via UDP sweeps. It triggers an alert when a single source IP sends 30 or more UDP packets within a 10-second window to various destinations on the home network. This behavior is indicative of an attacker attempting to map out active hosts on a network.
This rule detects potential Google Dorking activity targeting a specific site. It triggers when a client makes 10 or more HTTP requests within 60 seconds to 'google.com' where the URI contains 'site:'. This pattern is indicative of an attacker or reconnaissance tool using Google's search operators to find information about a target domain.
This rule detects potential TLS client configuration fingerprinting activity. It triggers an alert when a client sends 20 or more TLS Server Name Indication (SNI) requests to a server within a 30-second window. This behavior can be indicative of reconnaissance activities where an attacker is attempting to identify services or configurations on a target network by observing TLS handshakes.
This rule detects HTTP requests to a web server that contain both 'firmware' and 'version' in the URI, case-insensitively. This pattern is often associated with attempts to access router firmware version information pages, which could be part of reconnaissance activities.
This rule detects an SNMP Hardware MIB Enumeration Walk. It triggers when a TCP connection to port 161 (SNMP) on the home network contains the byte sequence "30 82" at a depth of 2 bytes. A threshold is set to trigger an alert if 20 such events occur within 30 seconds from the same source IP address. This activity is classified as a network scan, specifically reconnaissance, as it involves querying SNMP for hardware information.
This rule detects attempts to enumerate hardware asset inventory information via web requests. It triggers when HTTP requests contain both 'asset' and 'inventory' in the URI, indicating a potential reconnaissance activity to gather information about an organization's hardware assets. A threshold of 10 such requests within 60 seconds from the same source IP is set to reduce false positives.
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