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用access-list对抗“冲击波”病毒

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2016-06-07 15:12:001080browse

用access-list 对抗 “ 冲击波 ” 病毒 最近“ 冲击波 ” 病毒 ”(WORM_MSBlast.A)开始在国内互联网和部分专网上传播。我以前在接入层做的access-list起了作用! 大家可以参考之 access-list 120 deny 53 any any access-list 120 deny 55 any any access-lis

用access-list 对抗冲击波病毒

最近“冲击波病毒”(WORM_MSBlast.A)开始在国内互联网和部分专网上传播。我以前在接入层做的access-list起了作用!

大家可以参考之

access-list 120 deny 53 any any

access-list 120 deny 55 any any

access-list 120 deny 77 any any

access-list 120 deny 103 any any

以上几条慎用!

access-list 120 deny tcp any any eq echo

access-list 120 deny tcp any any eq chargen

access-list 120 deny tcp any any eq 135

access-list 120 deny tcp any any eq 136

access-list 120 deny tcp any any eq 137

access-list 120 deny tcp any any eq 138

access-list 120 deny tcp any any eq 139

access-list 120 deny tcp any any eq 389

access-list 120 deny tcp any any eq 445

access-list 120 deny tcp any any eq 4444//新加

access-list 120 deny udp any any eq 69 //新加

access-list 120 deny udp any any eq 135

access-list 120 deny udp any any eq 136

access-list 120 deny udp any any eq 137

access-list 120 deny udp any any eq 138

access-list 120 deny udp any any eq 139

access-list 120 deny udp any any eq snmp

access-list 120 deny udp any any eq 389

access-list 120 deny udp any any eq 445

access-list 120 deny udp any any eq 1434

access-list 120 deny udp any any eq 1433

access-list 120 permit ip any any

附录:处理办法!

**********************************

(1)对于未感染的主机:

建议安http://microsoft.com/technet/securi...p中指定的patch.

(2)对于已感染的系统:

可能无法从Microsoft升级补丁,建议用以下方式处理:

I. 断掉机器的物理网络连接。

II. 执行注册表编辑命令:regedit, 检查

"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows

CurrentVersion\Run\windows auto update" 中是

否存在 msblast.exe的键值,如果存在则删除。

III.运行任务管理器,关闭msblast.exe进程。

IV.完成用下述两种*作之一:

a.关闭DCOM: 设置HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole

中EnableDCOM键值为N.

b.设置防火墙或Microsoft's Internet

Connection Filter (ICF)阻止Incoming方向的以下端口:

69/UDP 135/TCP 135/UDP 139/TCP

139/UDP 445/TCP 445/UDP 4444/TCP。

V. 重新联接网络,安装http://microsoft.com/technet/securi...p中指定的patch.
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