Provided by Aanval (Snort & Syslog Intrusion Detection and Correlation Engine) www.aanval.com
--
| GEN:SID | 1:244 |
| Message | DDOS mstream handler to agent |
| Summary | This event is generated when a DDoS mstream handler directs an mstream agent to begin an attack against a specified target. |
| Impact | |
| Detailed Information | The mstream DDoS uses a tiered structure of compromised hosts to coordinate and participate in a distributed denial of service attack. There are "handler" hosts that are used to coordinate the attacks and "agent" hosts that launch the attack. A handler can direct a particular agent to attack a target. It directs the agent by sending it a UDP packet to destination port 10498 with a string of "stream/" in the payload. The target IP and duration of the attack will also be included in the payload. |
| Affected Systems | Any mstream compromised host. |
| Attack Scenarios | After a host becomes an mstream agent, it will likely be directed to participate in a DDoS attack. |
| Ease of Attack | Simple. mstream code is freely available. |
| Corrective Action | Perform proper forensic analysis on the suspected compromised host to discover the means of compromise. Rebuild a confirmed compromised host. Use a packet-filtering firewall to block inappropriate traffic to the network to prevent hosts from being compromised. |
| Additional References | CVE: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2000-0138 |
| Rule References | cve: 2000-0138 |
--
DID:399615
--
http://www.aanval.com/