Collaborate Disseminate
I am a beginner with Snort trying to understand how it works for my research. I need to detect DDoS attack with Snort. To start I install Snort and downloaded some DDoS rules from here https://github.com/eldondev/Snort/blob/m… Continue reading Problem trying to detect DDoS attacks with Snort
I am trying to implement a simple flooding attack alert by using this rule:
alert tcp any any <> any any (msg:”Flooding attack!”;detection_filter:track by_dst, count 4, seconds 1; sid:1000036)
Even if I have traffic 1… Continue reading Snort detection_filter not alerting
I am trying to implement a simple flooding attack alert by using this rule:
alert tcp any any <> any any (msg:”Flooding attack!”;detection_filter:track by_dst, count 4, seconds 1; sid:1000036)
Even if I have traffic 1… Continue reading Snort detection_filter not alerting
alert tcp $EXTERNAL_NET any -> $HOME_NET 443 (msg:"SERVEROTHER
OpenSSL TLSv1.2 heartbeat read overrun attempt";
flow:to_server,established; content:"|18 03 03|"; depth:3; dsize:>40;
detection_filter:track by_src, count 3, seconds 1; metadata:policy balanced-ips
drop, policy security-ips drop, service ssl; reference:cve,2014-0160;
classtype:attempted-recon; sid:30513; rev:2;)
and
alert tcp $HOME_NET 443 -> $EXTERNAL_NET any
(msg:"SERVER-OTHER `TLSv1 large heartbeat response – possible ssl
heartbleed attempt"; flow:to_client,established; content:"|18 03 01|";
depth:3; byte_test:2,>,128,0,relative; detection_filter:track by_dst,
count 5, seconds 60; metadata:policy balanced-ips drop,
policy security-ips drop, service ssl; reference:cve,2014-0160;
classtype:attempted-recon; sid:30515; rev:3;)
Pulled Pork is a PERL based tool for Suricata and Snort rule management – it can determine your version of Snort and automatically download the latest rules for you. The name was chosen because simply speaking, it Pulls the rules. Using a regular crontab you can keep your Snort or Suricata rules up to date […]
The post Pulled Pork –…
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Continue reading Pulled Pork – Suricata & Snort Rule Management
In continuation of observations from my GIAC Security Expert re-certification process, I’ll focus here on a GCIA-centric topic: Scapy. Scapy is essential to the packet analyst skill set on so many levels. For your convenience, the Packetrix VM comes pr… Continue reading Toolsmith – GSE Edition: Scapy vs CozyDuke
In continuation of observations from my GIAC Security Expert re-certification process, I’ll focus here on a GCIA-centric topic: Scapy. Scapy is essential to the packet analyst skill set on so many levels. For your convenience, the Packetrix VM comes pr… Continue reading Toolsmith – GSE Edition: Scapy vs CozyDuke
In continuation of observations from my GIAC Security Expert re-certification process, I’ll focus here on a GCIA-centric topic: Scapy. Scapy is essential to the packet analyst skill set on so many levels. For your convenience, the Packetrix VM comes pr… Continue reading Toolsmith – GSE Edition: Scapy vs CozyDuke
I want to write a Snort rule that logs all HTTP requests where the reply contains a specific regex. Every rule I found only logs the packet it is currently evaluating (which would be the reply in my case), not a previous pack… Continue reading Snort: Log request based on reply
Snort is an open-source, lightweight, free network intrusion detection system (NIDS) software for Linux and Windows to detect emerging threats. It’s capable of of performing real-time traffic analysis and packet logging on IP networks. It can perform protocol analysis, content searching/matching, and can be used to detect a variety of attacks and…
Read the full post at darknet.org.uk
Continue reading Snort – Free Network Intrusion Detection & Prevention System