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Current Activity - Denial-of-Service Malware Campaign
From: Current Activity <us-cert () us-cert gov>
Date: Tue, 24 Jan 2012 17:59:06 -0500
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 US-CERT Current Activity Denial-of-Service Malware Campaign Original release date: January 24, 2012 at 5:35 pm Last revised: January 24, 2012 at 5:35 pm US-CERT is aware of public reports of ongoing distributed denial-of-service attacks against entities in the government and private sector. According to the reports, these attacks are being attributed to the hacker group Anonymous. US-CERT encourages users and administrators to do the following to reduce the risk associated with this and other malware campaigns: * Do not open attachments in email messages from unknown sources. * Install anti-virus software and keep virus signatures files up to date. * Refer to the Recognizing and Avoiding Email Scams (pdf) document for more information on avoiding email scams. * Refer to the Avoiding Social Engineering and Phishing Attacks document for information on social engineering attacks. * Refer to the Recovering from Viruses, Worms, and Trojan Horses document for additional information on how to recover from malware. * Refer to the Continuing Denial of Service Threats Posed by DNS recursion (v2.0) (pdf) document and Understanding Denial-of-Service Attacks document for additional information on denial-of-service attacks. US-CERT will provide additional information as it becomes available. Relevant Url(s): <http://www.us-cert.gov/cas/tips/ST04-014.html> <http://www.us-cert.gov/reading_room/DNS-recursion033006.pdf> <http://www.us-cert.gov/cas/tips/ST05-006.html> <http://www.us-cert.gov/reading_room/emailscams_0905.pdf> <http://www.us-cert.gov/cas/tips/ST04-015.html> ==== This entry is available at http://www.us-cert.gov/current/index.html#anonymous_activities -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iQEVAwUBTx83hz/GkGVXE7GMAQKeOwf/egqLKxOXFFhWQ7RUscTIunAvOWTfPeNf CwLr+TXC4bfye7+N+zcexML58d0odHOUhuTPSlNNzMQAJz0bMc4qFtRX9wsryEDk eR5lM5cHcuw6jsBHOADxEJlM537SZAYVtDuEgQMd3Af0hBaKLyN3G2Vw6UrseiIS IhJMA28QNN3bDvWc5UoKdhLXutP3SCwDDvA2jcGgndnenmfkh0ErK2JG85TDoNm2 DkJpahzK2rSmyhsuzoQ8RV/dewnQc0IlM5itREujVpqsMZDL3ID3CnQt+NKKlE6K 93IOTq8sSPt4d81KeQREho9DbvqZXLJVnOOiHCERa1WOSGfg/BowLQ== =j5/N -----END PGP SIGNATURE-----
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- Current Activity - Denial-of-Service Malware Campaign Current Activity (Jan 24)