greynoise.sh

# greynoise.io api helper shell function
# cc0 / kopime: x0 <https://pastebin.com/u/xero
#   _ ___  ______ _ ______   _ _______  _ _______
#  _\\\  \/     /_\\\ _  /_ _\\\_     \_\\\  _   \
#  \    _/     /      \_/  \    /   __/      /    \
#  /    \      \__          \   \     \__   /     /
# /_____/\       /__________/____\      /________/
#         \_____/                 \____/x0^b7^imp
# required:
#   export GREY_TOKEN="your_api_token_here"
# usage:
#   greynoise 104.236.227.188
#   greynoise 0w.nz
#   dig +short xero.nu | greynoise

function greynoise() {
    IP="${1:-/dev/stdin}"
    [[ "$IP" =~ "stdin" ]] && read IP < "$IP"
    [[ "$IP" =~ "([0-9]{1,3}[\.]){3}[0-9]{1,3}" ]] || IP=`dig +short ${IP}`
    curl -sX GET "https://api.greynoise.io/v2/noise/context/${IP}" -H "Accept: application/json" -H "key: ${GREY_TOKEN}"
}