419.txt

snort入侵检测规则文件2.4 Snort是众所周知的网络入侵检测工具

Rule:

--

Sid:
419

--

Summary:
This event is generated when a network host generates an ICMP Mobile Host Redirect datagram.

--

Impact:
ICMP Mobile Host Redirect Messages alert base-stations to the movements of IP based mobile hosts, such as notebooks and palmtop computers.

--

Detailed Information:
The Transparent Internet Routing for IP Mobile Hosts IETF draft defines ICMP Type 32 Code 0 as an ICMP Mobile Host Redirect Message.  This message was intended to be used by mobile computers to inform base-stations of their location on the network as they move from base-station to base-station.  

This IETF draft was never ratified, and no hardware is known to exist that generates this type of ICMP datagram

--

Attack Scenarios:
None known

--

Ease of Attack:
Numerous tools and scripts can generate this type of ICMP datagram.

--

False Positives:
None known

--

False Negatives:
None known
--

Corrective Action:
ICMP Type 32 datagrams are not normal network activity.  Hosts generating these types of datagrams should be investigated for nefarious activity

--

Contributors:
Original rule writer unknown
Sourcefire Research Team
Matthew Watchinski ([e-mail])

--

Additional References:
None


--