勒索病毒应急处理方案

senlinlu

关于“勒索病毒”病毒应急处理方案

                       作者：senlinlu   2017.5.14

1、通过短信群发通知：明天上班第一件事，拔掉网线；

2、科信或信息中心立刻组织专业人员在核心网络设备二、三、四级交换机和出入口防火墙、路由器上阻断445端口的通讯，防止病毒扩散；

3、在一机两用平台或病毒监控中心平台查看已监测到的因未关机而已感染的主机，确认是否断网；

4、制作补丁集、免疫工具、关闭服务脚本U盘，并写保护防止感染；

5、依据部门轻重依次打补丁、运行关闭服务脚本和免疫工具。

6、最后才是处理中毒终端,运行蠕虫病毒恢复工具RansomRecovery.exe并备份相关资料。

网络设备阻断TCP 135、139、445和UDP 137、138端口

Cisco交换机

ip access-list deny-wannacry

deny tcp any any eq 135

deny tcp any any eq 139

deny tcp any any eq 445

deny udp any any eq 137

deny udp any any eq 138

permit ip any any

interface [需要挂载的三层端口名称]

ip access-group deny-wannacry in

ip access-group deny-wannacry out

华为交换机

acl number 3050

rule deny tcp destination-port eq 135

rule deny tcp destination-port eq 139

rule deny tcp destination-port eq 445

rule deny udp destination-port eq 137

rule deny udp destination-port eq 138

rule permit ip

traffic classifier deny-wannacry type and

if-match acl 3050

traffic behavior deny-wannacry

traffic policy deny-wannacry

classifier deny-wannacry behavior deny-wannacry precedence 5

interface [需要挂载的三层端口名称]

traffic-policy deny-wannacry inbound

traffic-policy deny-wannacry outbound

免疫工具下载地址：nsatool.exe

http://dl.360safe.com/nsa/nsatool.exe

补丁下载地址：

l Security Update for Windows XP SP3 (KB401259

http://download.windowsupdate.com/d/csa/csa/secu/2017/02/windowsx

p-kb4012598-x86-custom-chs_dca9b5adddad778cfd4b7349ff54b51677f36775.exe

l Security Update for Windows Server 2003 (KB401259

http://download.windowsupdate.com/c/csa/csa/secu/2017/02/windowss

erver2003-kb4012598-x86-custom-chs_b45d2d8c83583053d37b20edf5f041ecede54b80.exe

l Security Update for Windows Server 2003 for x64 Systems(KB401259

http://download.windowsupdate.com/c/csa/csa/secu/2017/02/windowss

erver2003-kb4012598-x64-custom-chs_68a2895db36e911af59c2ee133baee8de11316b9.exe

l Security Update for Windows 7 (KB4012212)

http://download.windowsupdate.com/d/msdownload/update/software/se

cu/2017/02/windows6.1-kb4012212-x86_6bb04d3971bb58ae4bac44219e7169812914df3f.msu

l Security Update for Windows 7 x64 (KB4012212)

http://download.windowsupdate.com/d/msdownload/update/software/se

cu/2017/02/windows6.1-kb4012212-x64_2decefaa02e2058dcd965702509a992d8c4e92b3.msu

l Security Update for Windows Server 2008 R2 x64 (KB4012212)

http://download.windowsupdate.com/d/msdownload/update/software/se

cu/2017/02/windows6.1-kb4012212-x64_2decefaa02e2058dcd965702509a992d8c4e92b3.msu

l Security Update for Windows10 ()

http://download.windowsupdate.com/c/msdownload/update/software/se

cu/2017/03/windows10.0-kb4012606-x86_8c19e23de2ff92919d3fac069619e4a8e8d3492e.msu

l Security Update for Windows10 x64 ()

http://download.windowsupdate.com/c/msdownload/update/software/se

cu/2017/03/windows10.0-kb4012606-x64_e805b81ee08c3bb0a8ab2c5ce6be5b35127f8773.msu

关闭服务脚本：

新建一个关闭服务脚本.bat脚本文件

net stop rdr

net stop srv

net stop netbt

勒索蠕虫病毒文件恢复工具下载链接:

https://dl.360safe.com/recovery/RansomRecovery.exe