Threat Level: green Handler on Duty: Xavier Mertens

SANS ISC: TCP/UDP Port Activity - SANS Internet Storm Center TCP/UDP Port Activity


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Sources
Targets
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Port Information
Protocol Service Name
tcp https HTTP protocol over TLS SSL
udp https HTTP protocol over TLS/SSL
TCP [ICS] OPC UA XML [ICS] OPC UA XML
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User Comments
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Comment
Sunny Dhbahai 2013-03-05 13:43:50
Redis Server Port which client can run queries. Default Port Exposed to Internet Could Face Brute Force Attacks. Nmap Brute Force Script For Radis: http://nmap.org/nsedoc/scripts/redis-brute.html
Alexander Dupuy 2010-11-23 14:17:15
UDP/443 is typically Skype traffic. From http://download.skype.com/share/business/guides/skype-it-administrators-guide.pdf (p.10 section 2.1.2 Operations): "It also uses UDP 443 to test network connectivity." These network probes typically have 18 byte payloads from the client (dst port UDP/443) and 26 byte payloads from the server (src port UDP/443)
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CVE Links
CVE # Description
CVE-2014-160 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly handle Heartbeat Extension packets, which allows remote attackers to obtain sensitive information from process memory via crafted packets that trigger a buffer over-read, as demonstrated by reading private keys, related to d1_both.c and t1_lib.c, aka the Heartbleed bug.
CVE-2014-224 OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly restrict processing of ChangeCipherSpec messages, which allows man-in-the-middle attackers to trigger use of a zero-length master key in certain OpenSSL-to-OpenSSL communications, and consequently hijack sessions or obtain sensitive information, via a crafted TLS handshake, aka the "CCS Injection" vulnerability.
CVE-2014-6321 Schannel in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to execute arbitrary code via crafted packets, aka "Microsoft Schannel Remote Code Execution Vulnerability."