Skip to content

Instantly share code, notes, and snippets.

View droberson's full-sized avatar

Daniel Roberson droberson

243 followers · 195 following
View GitHub Profile
@marvin
marvin / gist:1017480
Created June 9, 2011 19:16
syslog calculate facility and severity from PRI(priority)
example:
PRI = 191
To get the Facility
Divide the PRI number by 8.
191/8 = 23.875
The whole number part is the facility.
To get the Severity
@drdaeman
drdaeman / exec_notify.py
Created December 17, 2011 00:03
Listening to Netlink process events on x86_64 Linux systems (kludgy)
#!/usr/bin/env python
import socket
import os
import struct
if getattr(socket, "NETLINK_CONNECTOR", None) is None:
socket.NETLINK_CONNECTOR = 11
CN_IDX_PROC = 1
@CristinaSolana
CristinaSolana / gist:1885435
Created February 22, 2012 14:56
Keeping a fork up to date

1. Clone your fork:

git clone git@github.com:YOUR-USERNAME/YOUR-FORKED-REPO.git

2. Add remote from original repository in your forked repository:

cd into/cloned/fork-repo
git remote add upstream git://github.com/ORIGINAL-DEV-USERNAME/REPO-YOU-FORKED-FROM.git
git fetch upstream
@nirenjan
nirenjan / bishop.c
Created January 4, 2013 06:34
Simulate a drunken bishop walk to produce OpenSSL random art.
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#define XLIM 17
#define YLIM 9
#define ARSZ (XLIM * YLIM)
#define DEBUG 0
@superwills
superwills / getopt.c
Last active July 7, 2024 18:36
getopt.h / getopt.c, from http://www.raspberryginger.com/jbailey/minix/html/lib_2posix_2getopt_8c-source.html
// Put this in a separate .h file (called "getopt.h").
// The prototype for the header file is:
/*
#ifndef GETOPT_H
#define GETOPT_H
int getopt(int nargc, char * const nargv[], const char *ostr) ;
#endif
*/
@hubgit
hubgit / README.md
Last active June 14, 2024 17:40
Remove metadata from a PDF file, using exiftool and qpdf. Note that embedded objects may still contain metadata.

Anonymising PDFs

PDF metadata

Metadata in PDF files can be stored in at least two places:

  • the Info Dictionary, a limited set of key/value pairs
  • XMP packets, which contain RDF statements expressed as XML

PDF files

@chilts
chilts / alexa.js
Created October 30, 2013 09:27
Getting the Alexa top 1 million sites directly from the server, unzipping it, parsing the csv and getting each line as an array.
var request = require('request');
var unzip = require('unzip');
var csv2 = require('csv2');
request.get('http://s3.amazonaws.com/alexa-static/top-1m.csv.zip')
.pipe(unzip.Parse())
.on('entry', function (entry) {
entry.pipe(csv2()).on('data', console.log);
})
;
@caseyscarborough
caseyscarborough / b64.c
Last active September 15, 2023 17:02
Base64 implementation in C
/*********************************************************************\
MODULE NAME: b64.c
AUTHOR: Bob Trower 08/04/01
PROJECT: Crypt Data Packaging
COPYRIGHT: Copyright (c) Trantor Standard Systems Inc., 2001
@L-P
L-P / exec-notify.c
Created March 11, 2014 14:52
Watch process creation.
/* exec-notify, so you can watch your acrobat reader or vim executing "bash -c"
* commands ;-)
* Requires some 2.6.x Linux kernel with proc connector enabled.
*
* $ cc -Wall -ansi -pedantic -std=c99 exec-notify.c
*
* (C) 2007-2010 Sebastian Krahmer <krahmer@suse.de> original netlink handling
* stolen from an proc-connector example, copyright folows:
*/
/*
@tkmru
tkmru / userDBs.txt
Created March 25, 2014 17:34
PEiD's userDB.txt
UserDB.txt URLs (use your own flavor):
http://www.sysreveal.com/tag/userdb-txt/
http://handlers.sans.org/jclausing/userdb.txt
https://github.com/cuckoobox/cuckoo/blob/master/data/peutils/UserDB.TXT
http://research.pandasecurity.com/blogs/images/userdb.txt