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ddg_malware_clean_tool's Introduction

清理工具使用说明

本清理工具适用于2019年2月21日爆发的Watchdogs挖矿蠕虫。

  • Watchdogs挖矿蠕虫主要特征如下:

    • ps -ef | grep watchdogs # 存在恶意进程watchdogs
    • ps -ef | grep ksoftirqds # 存在恶意进程ksoftirqds
    • chkconfig | grep watchdogs # 存在恶意启动项watchdogs
    • ldd `which ps` | grep libioset.so # ps、rm等命令被so劫持
    • crontab -l | grep pastebin # 存在恶意的蠕虫下载计划任务
  • 使用clear清理Watchdogs步骤:

    1. 上传busybox到/bin/目录下。
    2. 运行clear.sh。

2019.3.4 新增clear_kthrotlds.sh

新增针对2019年3月1日Watchdogs进程变种为kthrotlds的挖矿蠕虫的清理脚本clear_kthrotlds.sh

  • kthrotlds挖矿蠕虫变种主要特征如下:

    • watchdogs进程变更为kthrotlds
    • libioset.so变更为libcset.so
    • watchdogs开机启动项名称变更为netdns
  • 使用clear_kthrotlds.sh清理kthrotlds步骤:

    1. 上传busybox到/bin/目录下。
    2. 运行clear_kthrotlds.sh。

2019.6.8 补充说明

木马变种情况建议联系安全厂商介入(如:https://moresec.cn):

  • 详细分析行为,修改脚本,根除木马。
  • 较难分析情况,重装系统,检查漏洞,修复漏洞,防止再感染。

By 默安科技(MoreSec)

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