$ xioc -h
Usage of xioc:
  -o string
        Extract only specified types.
        Types must be comma seperated. E.g: xioc -o "ip4,domain,url,md5"
        Available types:
                - ip4
                - ip6
                - domain
                - url
                - email
                - md5
                - sha1
                - sha256
  -v    Print version and exit

$ REPORT="https://unit42.paloaltonetworks.com/digital-quartermaster-scenario-demonstrated-in-attacks-against-the-mongolian-government/"
$ lynx -dump "$REPORT" | xioc
sha256  5beb50d95c1e720143ca0004f5172cb8881d75f6c9f434ceaff59f34fa1fe378
domain  energy.gov.mn
email   [email protected]
sha256  10090692ff40758a08bd66f806e0f2c831b4b9742bbf3d19c250e778de638f57
# ...

$ REPORT="https://unit42.paloaltonetworks.com/digital-quartermaster-scenario-demonstrated-in-attacks-against-the-mongolian-government/"
$ lynx -dump "$REPORT" | xioc -o email,sha256
sha256  5beb50d95c1e720143ca0004f5172cb8881d75f6c9f434ceaff59f34fa1fe378
email   [email protected]
sha256  10090692ff40758a08bd66f806e0f2c831b4b9742bbf3d19c250e778de638f57
email   [email protected]
# ...

package main

import (
	"fmt"

	"github.com/assafmo/xioc/xioc"
)

func main() {
	input := `e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
	banana.com
	hxxp://i.robot.com/robots.txt
	1.2.3.4
	1.1.1[.]1
	info at gmail dot com
	hxxps://m.twitter[dot]com/`

	fmt.Println(xioc.ExtractDomains(input)) // => [i.robot.com m.twitter.com gmail.com banana.com]
	fmt.Println(xioc.ExtractSHA256s(input)) // => [e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855]
	fmt.Println(xioc.ExtractMD5s(input))    // => []
	fmt.Println(xioc.ExtractIPv4s(input))   // => [1.2.3.4 1.1.1.1]
	fmt.Println(xioc.ExtractURLs(input))    // => [http://i.robot.com/robots.txt https://m.twitter.com/]
	fmt.Println(xioc.ExtractEmails(input))  // => [[email protected]]
}