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Dive Even Deeper. sysdig – Wireshark for your system. Agenda. Overview Visualization Fishing for Hackers. Wireshark Is Awesome. Why Is Wireshark Awesome?. The Workflow!. Capture Don’t need to sit in front of the machine waiting for the issue Share trace files

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dive even deeper

Dive Even Deeper

sysdig – Wireshark for your system

agenda
Agenda
  • Overview
  • Visualization
  • Fishing for Hackers
the workflow
The Workflow!
  • Capture
    • Don’t need to sit in front of the machine waiting for the issue
    • Share trace files
    • Capture in multiple locations and then correlate
  • Filter
    • Find the needle in the haystack
    • Don’t need to know what you’re looking for
    • Learn while exploring
  • Analyze
    • Put intelligence on top of low level information
      • Packets can tell us a lot
      • And never lie
sysdig
Sysdig
  • Capture system events
    • System calls
    • Context switches
    • More
  • Packetize them
  • Store them into pcap-ng traces
  • Wireshark-like display fields
    • Filtering
    • rendering
slide11

res = open(const char *pathname, int flags)

Type = open

Nargs = 2

“myfile.txt”

1

Analyze

Store

Filter

slide12

sysdig

  • Command line parsing
  • Capture management
  • Event parsing
  • State engine
  • Filtering
  • Output Formatting
  • Chisel execution

sinsp

  • Capture Control
  • Dump files R/W
  • OS state collection

scap

User

kernel

Event Buffer

Sysdig-probe

  • Non-blocking event collection
  • Type-based event packing
  • Memory mapped buffer handling
chisels
Chisels
  • Lua scripts to carve up the data you unearthed
    • First class citizens from day one
  • Callback API
    • Process events
    • Create summaries
  • Main API
    • Control sysdig
    • Extract fields

https://github.com/draios/sysdig/wiki/Sysdig%20Chisel%20API%20Reference%20Manual

get engaged
Get Engaged
  • http://www.sysdig.org/
  • https://github.com/draios/sysdig
  • https://github.com/draios/sysdig/wiki
  • http://www.sysdig.org/install/
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