Darshan Thummar
@MightyCompletionist
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2,107 detections
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Detects injection of malicious URLs into Outlook folder home page property for persistence
Detects TCP SYN flood denial of service attacks targeting internal hosts
Detects polymorphic malware payloads that mutate to evade static signatures
Detects creation of setuid binaries used for Linux privilege escalation
Detects creation of new domain accounts via LDAP for persistent access
Detects SMB NTLM relay attacks used for credential capture and lateral movement
Detects TFTP boot image transfers to network devices for persistent firmware modification
This rule detects the execution of the 'dd if=/dev/zero' command over an SSH connection. This command is commonly used to wipe disk content by overwriting it with zeros, which can be an indicator of malicious activity aimed at destroying data or hindering forensic analysis. The rule specifically looks for this string within TCP traffic directed to port 22 (SSH).
This rule detects NTP Reflection Amplification DDoS attacks by looking for specific content in UDP packets destined for the home network on port 123 (NTP). The rule triggers if 50 such packets are observed from the same destination within 5 seconds, indicating a high volume of NTP traffic potentially used for amplification.
This rule detects a potential DNS Reflection Amplification Distributed Denial of Service (DDoS) attack. It triggers an alert when UDP traffic targeting port 53 (DNS) on the home network has a data size greater than 512 bytes and occurs at a rate of 100 or more packets within a 5-second window from the same destination.
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