U2SPEWFOO(8)

💖 U2SPEWFOO 💖

okay bestie, we're doing u2spewfoo from section 8 — that's the System Manager's Manual, the sysadmin corner of the library, no cap 🫶

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✨ NAME ✨

u2spewfoo — a tool for dumping the contents of unified2 files to stdout 💅

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🎀 SYNOPSIS 🎀

u2boat <infile>

not me noticing they wrote u2boat in the synopsis, like 😭 that is literally character-for-character what the page says, so I'm keeping it, bestie. I don't make the rules, I just preserve them. 🫶

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🌸 DESCRIPTION 🌸

This manual page documents briefly the u2spewfoo command. And listen — this manual page was written for the Debian distribution because the original program doesn't have a manual page. So we're basically doing charity work here. iconic behavior honestly 👑

u2spewfoo is a lightweight tool for dumping the contents of Snort's Unified2 log files to stdout. But bestie, heads up: for it to actually work, Snort first has to be configured to use this format in its configuration file. no config, no dump, it's giving "you have to set it up first" energy ✨

The tool takes the log file and dumps the information about the events to Standard output. And what's in that info, you ask? The event and relevant information about it — things like IP addresses and ports, the time the event was detected, etc. — plus the packet that triggered the event, if Snort has been configured to store a packet capture associated with events. obsessed. 🌈

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🦋 EXAMPLES 🦋

To use it, run it against a unified2 log file by running:

u2spewfoo snort.log

The following is a sample output of this tool:

(Event)
    sensor id: 0    event id: 4 event second: 1299698138    event microsecond: 146591
    sig id: 1   gen id: 1   revision: 0  classification: 0
    priority: 0 ip source: 10.1.2.3 ip destination: 10.9.8.7
    src port: 60710 dest port: 80   protocol: 6 impact_flag: 0  blocked: 0

Packet
    sensor id: 0    event id: 4 event second: 1299698138
    packet second: 1299698138   packet microsecond: 146591
    linktype: 1 packet_length: 54
[    0] 02 09 08 07 06 05 02 01 02 03 04 05 08 00 45 00  ..............E.
[   16] 00 28 00 06 00 00 40 06 5C B7 0A 01 02 03 0A 09  .(....@........
[   32] 08 07 ED 26 00 50 00 00 00 62 00 00 00 2D 50 10  ...&.P...b...-P.
[   48] 01 00 A2 BB 00 00                                ......

(ExtraDataHdr)
    event type: 4   event length: 33

(ExtraData)
    sensor id: 0    event id: 2 event second: 1299698138
    type: 9 datatype: 1 bloblength: 9   HTTP URI: /

(ExtraDataHdr)
    event type: 4   event length: 78

(ExtraData)
    sensor id: 0    event id: 2 event second: 1299698138
    type: 10    datatype: 1 bloblength: 12  HTTP Hostname: example.com

look at that hex dump. the way it just lines up. hex on the left, ASCII on the right, absolutely slaying 💀✨

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💜 SEE ALSO 💜

• snort (8) — go read that one too bestie, iykyk 🐝

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👑 AUTHOR 👑

This program was written by Adam Keeton.

This manual page was written by Javier Fernandez-Sanguino <jfs@debian.org>, for the Debian GNU/Linux system (but may be used by others). shoutout to Javier for giving us lore when the upstream didn't 💖

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and that's the whole page, bestie — u2spewfoo(8), straight out of the System Manager's Manual, dated 12th December 2014 🎀 mwah, go dump some unified2 files, you got this 💅✨🦋