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	<title>惜分飞 &#187; ._locked dbf恢复</title>
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	<description>提供7*24专业数据库(Oracle,SQL Server,MySQL,PostgreSQL等)恢复和技术支持@Tel:17813235971</description>
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		<title>_locked加密数据库恢复</title>
		<link>https://www.xifenfei.com/2023/02/_locked-db-recovery.html</link>
		<comments>https://www.xifenfei.com/2023/02/_locked-db-recovery.html#comments</comments>
		<pubDate>Sat, 11 Feb 2023 15:39:25 +0000</pubDate>
		<dc:creator><![CDATA[惜分飞]]></dc:creator>
				<category><![CDATA[勒索恢复]]></category>
		<category><![CDATA[._locked dbf恢复]]></category>
		<category><![CDATA[._locked mdf恢复]]></category>
		<category><![CDATA[._locked oracle恢复]]></category>
		<category><![CDATA[._locked sql恢复]]></category>
		<category><![CDATA[._locked加密恢复]]></category>
		<category><![CDATA[._locked勒索恢复]]></category>

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<p>联系：<a href="https://www.xifenfei.com/about_xifenfei" target="_blank">手机/微信(+86 17813235971)   QQ(107644445)</a><a target="_blank" href="http://wpa.qq.com/msgrd?v=3&#038;uin=107644445&#038;site=qq&#038;menu=yes"><img src="https://www.xifenfei.com/wp-content/themes/img/site_qq.jpg" alt="QQ咨询惜分飞" title="QQ咨询惜分飞"/></a></p>
<p>标题：<a href="https://www.xifenfei.com/2023/02/_locked-db-recovery.html" target="_blank">_locked加密数据库恢复</a></p>
<p>作者：<a href="https://www.xifenfei.com" target="_blank">惜分飞</a>©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]</p>
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<p>最近比较多的客户被._locked勒索病毒加密<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2023/02/locked.jpg"><img src="https://www.xifenfei.com/wp-content/uploads/2023/02/locked.jpg" alt="._locked" width="931" height="281" class="alignnone size-full wp-image-10138" /></a><br />
<hr />
这种加密和以往的常见加密不太一样,它把文件名都给修改了,无法类似以前那样通过文件名判断出来对应的用途(比如哪些是oracle数据文件,哪些是sql server文件等),所有文件被加密成随机名字._locked,通过对其底层进行分析,可以确认该文件损坏很少,oracle和sql server基本上可以实现完美恢复(特别是11G及其以后版本,恢复效果和数据库直接运行状态下expdp/exp导出效果一样)<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2023/02/20230211233455.jpg"><img src="https://www.xifenfei.com/wp-content/uploads/2023/02/20230211233455.jpg" alt="20230211233455" width="1052" height="668" class="alignnone size-full wp-image-10139" /></a><br />
<hr />
通过oracle数据文件加密勒索工具即可实现快速恢复oracle数据文件实现数据库open,然后导出数据<br />
<a href="https://www.xifenfei.com/wp-content/uploads/2023/02/locked-recovery-tools.jpg"><img src="https://www.xifenfei.com/wp-content/uploads/2023/02/locked-recovery-tools.jpg" alt="_locked-recovery-tools" width="851" height="376" class="alignnone size-full wp-image-10140" /></a><br />
<hr />
预防远比救援重要，所以为了避免出现此类事件，强烈建议大家日常做好以下防护措施：<br />
①及时给办公终端和服务器打补丁，修复漏洞，包括操作系统以及第三方应用的补丁，防止攻击者通过漏洞入侵系统。<br />
②尽量关闭不必要的端口，如139、445、3389等端口。如果不使用，可直接关闭高危端口，降低被漏洞攻击的风险。<br />
③不对外提供服务的设备不要暴露于公网之上，对外提供服务的系统，应保持较低权限。<br />
④企业用户应采用高强度且无规律的密码来登录办公系统或服务器，要求包括数字、大小写字母、符号，且长度至少为8位的密码，并定期更换口令。<br />
⑤数据备份保护，对关键数据和业务系统做备份，如离线备份，异地备份，云备份等， 避免因为数据丢失、被加密等造成业务停摆，甚至被迫向攻击者妥协。<br />
⑥敏感数据隔离，对敏感业务及其相关数据做好网络隔离。避免双重勒索病毒在入侵后轻易窃取到敏感数据，对公司业务和机密信息造成重大威胁。<br />
⑦尽量关闭不必要的文件共享。<br />
⑧提高安全运维人员职业素养，定期进行木马病毒查杀。</p>
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