theharvester 使用~透過搜尋引擎, 找出存在的 email信箱帳號

這是 透過搜尋引擎 去找尋 指定網域 下 , 存在的 email信箱帳號
這是一種方便工具
Usage: theharvester options

       -d: Domain to search or company name
       -b: data source: google, googleCSE, bing, bingapi, pgp
                        linkedin, google-profiles, people123, jigsaw,
                        twitter, googleplus, all

       -s: Start in result number X (default: 0)
       -v: Verify host name via dns resolution and search for virtual hosts
       -f: Save the results into an HTML and XML file
       -n: Perform a DNS reverse query on all ranges discovered
       -c: Perform a DNS brute force for the domain name
       -t: Perform a DNS TLD expansion discovery
       -e: Use this DNS server
       -l: Limit the number of results to work with(bing goes from 50 to 50 results,
       -h: use SHODAN database to query discovered hosts
            google 100 to 100, and pgp doesn't use this option)

Examples:
        theharvester -d microsoft.com -l 500 -b google
        theharvester -d microsoft.com -b pgp
        theharvester -d microsoft -l 200 -b linkedin
        theharvester -d apple.com -b googleCSE -l 500 -s 300

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範例:
theharvester -d 指定網域  -l 100  -b  google
(使用google搜尋前100筆  有指定網域 出現的email信箱帳號

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