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		<title>再次提醒plsql dev勒索事件</title>
		<link>https://www.xifenfei.com/2020/01/plsql-dev-sql-rush-team.html</link>
		<comments>https://www.xifenfei.com/2020/01/plsql-dev-sql-rush-team.html#comments</comments>
		<pubDate>Sun, 12 Jan 2020 15:43:53 +0000</pubDate>
		<dc:creator><![CDATA[惜分飞]]></dc:creator>
				<category><![CDATA[Oracle]]></category>
		<category><![CDATA[勒索恢复]]></category>
		<category><![CDATA[166xk1FXMB2g8JxBVF5T4Aw1Z5JaZ6vrSE]]></category>
		<category><![CDATA[DBMS_CORE_INTERNAL]]></category>
		<category><![CDATA[DBMS_SUPPORT_INTERNAL]]></category>
		<category><![CDATA[DBMS_SYSTEM_INTERNAL]]></category>
		<category><![CDATA[ORA-20315]]></category>
		<category><![CDATA[plsql dev 比特币]]></category>
		<category><![CDATA[SQL RUSH Team]]></category>
		<category><![CDATA[sqlrush@mail.com]]></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/2020/01/plsql-dev-sql-rush-team.html" target="_blank">再次提醒plsql dev勒索事件</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>在2016年发现plsql dev被注入恶意脚本,导致数据库被破坏的事件,我当时写过相关分析blog(<a href="//www.xifenfei.com/2016/11/plsql-dev-hacker-bitcoin.html" title="plsql dev引起的数据库被黑勒索比特币实现原理分析和解决方案" rel="noopener" target="_blank">plsql dev引起的数据库被黑勒索比特币实现原理分析和解决方案</a>),最近又接到两个客户类似故障请求,分享这次处理经历,提醒大家注意<br />
<strong>aler日志报错</strong></p>
<pre class="brush: bash; title: ; notranslate">
Mon Oct 21 16:13:06 2019
Errors in file /u01/app/oracle/diag/rdbms/xff/xff1/trace/xff1_ora_68593.trc:
ORA-00604: error occurred at recursive SQL level 1
ORA-20315: 你的数据库已被SQL RUSH Team锁死  发送5个比特币到这个地址 166xk1FXMB2g8JxBVF5T4Aw1Z5JaZ6vrSE (大小写一致)
  之后把你的Oracle SID邮寄地址 sqlrush@mail.com 我们将让你知道如何解锁你的数据库  
Hi buddy, your database was hacked by SQL RUSH Team, send 5 bitcoin to address
166xk1FXMB2g8JxBVF5T4Aw1Z5JaZ6vrSE (case sensitive),  after that send your Oracle SID to mail 
address sqlrush@mail.com, we will let you know how to unlock your database.
ORA-06512: at &quot;XIFENFEI.DBMS_CORE_INTERNAL         &quot;, line 25
ORA-06512: at line 2
</pre>
<p>证明该库在2019年10月份就已经被注入恶意脚本,只是由于该库无专业维护,没有定期检查,不然该问题再就被发现.直到前几天有数据丢失影响业务运行,才开始找原因,发现该问题.<br />
<br />
<strong>查询相关恶意脚本创建时间</strong></p>
<pre class="brush: sql; title: ; notranslate">
SQL&gt; select owner||'.'||object_name,to_char(created,'yyyy-mm-dd hh24:mi:ss') 
 2  from dba_objects where object_name like 'DBMS_%_INTERNAL% ';

OWNER||'.'||OBJECT_NAME
-----------------------------------------------
TO_CHAR(CREATED,'YY
-------------------
XFF.DBMS_SUPPORT_INTERNAL
2019-11-19 11:29:38

XFF.DBMS_SUPPORT_INTERNAL
2019-11-19 11:29:38

XFF.DBMS_SYSTEM_INTERNAL
2019-11-19 11:29:39

XFF.DBMS_SYSTEM_INTERNAL
2019-11-19 11:29:39

XFF.DBMS_CORE_INTERNAL
2019-11-19 11:29:39

XFF.DBMS_CORE_INTERNAL
2019-11-19 11:29:39

XIFENFEI.DBMS_SUPPORT_INTERNAL
2019-10-21 15:49:06

XIFENFEI.DBMS_SUPPORT_INTERNAL
2019-10-21 15:49:06

XIFENFEI.DBMS_SYSTEM_INTERNAL
2019-10-21 15:49:06

XIFENFEI.DBMS_SYSTEM_INTERNAL
2019-10-21 15:49:06

XIFENFEI.DBMS_CORE_INTERNAL
2019-10-21 15:49:06

XIFENFEI.DBMS_CORE_INTERNAL
2019-10-21 15:49:06


12 rows selected.
</pre>
<p>证明在xifenfei和xff用户下面均已经被注入了恶意脚本(也可以通过alert日志分析出来类似结论)<br />
<br />
<strong>生产truncate表job</strong></p>
<pre class="brush: sql; title: ; notranslate">
SQL&gt; select count(*) from dba_jobs;

  COUNT(*)
----------
  50283485

SQL&gt; select count(job) from dba_jobs
where what like '%DBMS_STANDARD_FUN9%';  2  

COUNT(JOB)
----------
  50283483
</pre>
<p>证明该库本身自带job只有2个,剩余全部是恶意脚本生成的job.<br />
<br />
<strong>处理思路</strong><br />
1.保护现场:停掉监听,kill所有业务会话<br />
2.job处理:禁止数据库启动任何job,kill已经启动job,清除异常job</p>
<pre class="brush: sql; title: ; notranslate">
begin
for i in (select job from dba_jobs
where what like '%DBMS_STANDARD_FUN9%' )
loop
dbms_ijob.remove(i.job);
commit;
end loop;
end;
/
</pre>
<p>3. 清理恶意脚本</p>
<pre class="brush: sql; title: ; notranslate">
select 'DROP TRIGGER '||owner||'.&quot;'||TRIGGER_NAME||'&quot;;' 
from dba_triggers where TRIGGER_NAME like 'DBMS_%_INTERNAL% '
union all
select 'DROP PROCEDURE '||owner||'.&quot;'||a.object_name||'&quot;;' 
from dba_procedures a where a.object_name like 'DBMS_%_INTERNAL% ';
</pre>
<p>4.分析异常表:通过查询相关视图和业务数据,分析哪些表异常,需要对其进行数据恢复(一定要确认恢复数据ok之后才能够导入,不然可能导致原环境破坏,彻底无法恢复)<br />
<strong>再次提醒检查plsql dev工具的afterconnect.sql脚本,请从正规途径下载oracle工具和软件</strong>(<a href="//www.xifenfei.com/2017/07/oracle-software-malicious-injection.html" title="警告：互联网中有oracle介质被注入恶意程序导致—ORA-600 16703" rel="noopener" target="_blank">警告：互联网中有oracle介质被注入恶意程序导致—ORA-600 16703</a>)如果不幸数据库被感染此种勒索比特币事件,而且无法自行恢复的,可以联系我们给予技术支持<br />
<strong><span style="color: red; font-size: large;">Phone:17813235971    Q Q:107644445<a href="https://wpa.qq.com/msgrd?v=3&amp;uin=107644445&amp;site=qq&amp;menu=yes" target="_blank"><img id="xffqqimg" title="QQ咨询惜分飞" alt="QQ咨询惜分飞" src="//www.xifenfei.com/wp-content/themes/img/site_qq.jpg" /></a>    E-Mail:dba@xifenfei.com</span></strong></p>
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