stuart-warren

Exception in filterworker {"exception"=>#<NoMethodError: undefined method `[]=' for nil:NilClass>, "backtrace"=>["file:/opt/logstash/logstash.jar!/logstash/event.rb:135:in `[]='", "org/jruby/RubyProc.java:255:in `call'", "(eval):9:in `exec'", "org/jruby/RubyProc.java:255:in `call'", "file:/opt/logstash/logstash.jar!/logstash/util/fieldreference.rb:44:in `exec'", "file:/opt/logstash/logstash.jar!/logstash/event.rb:134:in `[]='", "file:/opt/logstash/logstash.jar!/logstash/filters/mutate.rb:234:in `rename'", "org/jruby/RubyHash.java:1332:in `each'", "file:/opt/logstash/logstash.jar!/logstash/filters/mutate.rb:232:in `rename'", "file:/opt/logstash/logstash.jar!/logstash/filters/mutate.rb:205:in `filter'", "(eval):127:in `initialize'", "org/jruby/RubyProc.java:255:in `call'", "file:/opt/logstash/logstash.jar!/logstash/pipeline.rb:243:in `filter'", "file:/opt/logstash/logstash.jar!/logstash/pipeline.rb:191:in `filterworker'", "file:/opt/logstash/logstash.jar!/logstash/pipeline.rb:134:in `start_filters'"], :level=>:

ashrithr

Installing Graphite:

Graphite does two things:

1. Store numeric time-series data
2. Render graphs of this data on demand

What Graphite does not do is collect data for you, however there are some tools out there that know

jamestbrown

#!/usr/bin/python
from silk import *
import json
import random
import datetime
import time

def strTimeProp(start, end, format, prop):
    stime = time.mktime(time.strptime(start, format))
    etime = time.mktime(time.strptime(end, format))

diyan

PCI DSS

NOTE: Work in progress

TODO: Identity management, two-factor auth, OpenVPN, Logstash, log shippers, IIS logs, OSSEC, Snort, Suricata, snorby, restart iis w/o admin role,

PCI DSS. Guidelines

• PCI Compliance with Open Source at (Almost) Zero Cost. Part 1 - http://rafeeqrehman.com/2011/05/24/zero-cost-pci-compliance/
• PCI Compliance with Open Source at (Almost) Zero Cost. Part 2 - http://rafeeqrehman.com/2011/07/17/zero-cost-pci-compliance-part-2/

bsweger

Useful Pandas Snippets

A personal diary of DataFrame munging over the years.

Data Types and Conversion

Convert Series datatype to numeric (will error if column has non-numeric values)
(h/t @makmanalp)

glass5er

##
##  Copy & Paste Tool for images to PowerPoint(.pptx)
##
import pptx
import pptx.util
import glob
import scipy.misc

OUTPUT_TAG = "MY_TAG"

mrlesmithjr

# Bro-IDS Logstash parser
# Parts of this taken from http://www.appliednsm.com/wp-content/uploads/logstash-SObro22-parse.conf_.txt

#Logs being parsed:
#app_stats.log
#conn.log
#dns.log
#dpd.log
#files.log
#http.log

netson

PSAD and Logstash

Table of Contents

• What are we doing here?
• What is PSAD?
• What is Logstash?
• Using PSAD and Logstash
• First, configure rsyslog
• Then, configure logstash patterns

atcuno

The purpose of this document is to make recommendations on how to browse in a privacy and security conscious manner. This information is compiled from a number of sources, which are referenced throughout the document, as well as my own experiences with the described technologies.

I welcome contributions and comments on the information contained. Please see the How to Contribute section for information on contributing your own knowledge.

Table of Contents

• Motivation
• Audience
• TL;DR?
• Updates
• Technologies that Affect Security and Privacy

Neo23x0

<!-- 
   This is a Microsoft Sysmon configuration to be used on Windows workstations
   v0.2.1 December 2016
   Florian Roth (with the help and ideas of others)
   
   The focus of this configuration is 
   - malware detection (execution)
   - malware detection (network connections)
   - exploit detection
   It is not focussed on