syzdek

/*
 *  Locky Ransomware Domain Generation Algorithm
 *
 *  Original code from Forcepoint Security Labs:
 *    https://blogs.forcepoint.com/security-labs/locky-ransomware-encrypts-documents-databases-code-bitcoin-wallets-and-more
 *
 *  Code updated by David M. Syzdek <ten . kedzys @ divad> on 2016/02/24
 *
 *  Compile with:
 *     gcc -W -Wall -Werror -o locky-dga locky-dga.c

syzdek

/*
 *  TOTP: Time-Based One-Time Password Algorithm
 *  Copyright (c) 2015, David M. Syzdek <david@syzdek.net>
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are
 *  met:
 *
 *     1. Redistributions of source code must retain the above copyright

syzdek

#!/bin/bash

# set parameters
TOTP_UID=${1:-$UID}
TOTP_CODE=${2:-123456}

# encode numeric UID into three port numbers
TOTP_PORT1=$(( $((     ${TOTP_UID}  / 4194304))            + 4096 ))
TOTP_PORT2=$(( $(( $(( ${TOTP_UID}  % 4194304)) / 16384 )) + 4096 ))
TOTP_PORT3=$(( $(( $(( ${TOTP_UID}  % 4194304)) % 16384 )) + 4096 ))

syzdek

#!/bin/sh
#
# Use posixregex CLI tool from: https://github.com/syzdek/dmstools/blob/master/src/posixregex.c

RE_IPV4="((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])"

posixregex -r "^(${RE_IPV4})$" \
   127.0.0.1 \
   10.0.0.1 \
   192.168.1.1 \

syzdek

// Program to strip comments and strings from a C file
//
// Answer to StackOverflow question:
//    http://stackoverflow.com/questions/16086617/c-removing-comments-with-a-sliding-window-without-nested-while-loops
//
//  Build:
//     gcc -o strip-comments strip-comments.c
//
//  Test:
//     ./strip-comments strip-comments.c

syzdek

/*
 * simple Iv4/IPv6 TCP server which echos any data sent to the open port
 */

#include <stdio.h>
#include <poll.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>

syzdek

- (UIImage *) tileImageFromImage:(UIImage *)image
{
   CGImageRef        imageRef;
   CGContextRef      context;
   CGColorSpaceRef   color;
   CGFloat           w;
   CGFloat           h;
   CGFloat           r;
   CGFloat           m;
   NSInteger         pos;

syzdek

intmax_t sqroot_imax(intmax_t n, int round)
{
   intmax_t op  = n;
   intmax_t res = 0;
   intmax_t one = 1uL << ((sizeof(intmax_t)*8)-2);

   // "one" starts at the highest power of four <= than the argument.
   while (one > op)
      one >>= 2;

syzdek

Dictionary Stats:
   Words Dropped:            23*
   Words Duplicated:          0
   Words Indexed:        117946
   ----------------------------
   Total Words Parsed:   117969**

    * Words with a 'q' not immediately followed by a 'u' (e.g "qiviut").
   ** The 'u' following a 'q' have been striped from the word (e.g. "quilting"
      becomes "qilting"). The 'u' is implied by a 'q' in some word tile/dice

syzdek

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[])
{
   NSRunLoop   * runLoop;
   CLIMain     * main; // replace with desired class

   @autoreleasepool
   {
      // create run loop