The rule is evidently new per Snort:
Sourcefire VRT Rules Update
Date: 2014-04-30
This is the complete list of rules modified and added in the Sourcefire VRT Certified rule pack for Snort version 2960.
The format of the file is:
gid:sid Default rule state Message (rule group)
New Rules:
* 1:30882 ENABLED MALWARE-CNC Win.Trojan.Rbrute inbound communication (malware-cnc.rules)
* 1:30883 ENABLED MALWARE-CNC Win.Trojan.Rbrute inbound communication (malware-cnc.rules)
* 3:30884 ENABLED BAD-TRAFFIC Cisco MXP Telepresence gssapi-data unauthenticated denial of service attempt (bad-traffic.rules)
* 3:30881 ENABLED BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt (bad-traffic.rules)
* 3:30887 ENABLED WEB-MISC Cisco Tshell command injection attempt (web-misc.rules)
* 3:30886 ENABLED BAD-TRAFFIC Cisco SIP malformed date header buffer overflow attempt (bad-traffic.rules)
* 3:30885 ENABLED BAD-TRAFFIC Cisco SIP malformed date header buffer overflow attempt (bad-traffic.rules)
* 3:30889 ENABLED BAD-TRAFFIC Content-Type media type overflow denial of service attempt (bad-traffic.rules)
* 3:30890 ENABLED BAD-TRAFFIC Content-Type media type overflow denial of service attempt (bad-traffic.rules)
* 3:30888 ENABLED WEB-MISC Cisco Tshell command injection attempt (web-misc.rules) Modified Rules:
* 1:30789 DISABLED SERVER-WEBAPP Acunetix web vulnerability scanner fake URL exploit attempt (server-webapp.r
From the logs...
Note: Source IP is the Win7 client and Destination is the Sophos UTM.
This seems more than a little odd.
2014:05:22-11:33:20 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:20 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:20 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:20 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:20 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:20 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:21 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:21 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:21 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:21 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:22 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="53574" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:23 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:23 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:25 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:25 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:27 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:41 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:41 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:41 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:41 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:42 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:42 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56764" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:53 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="53620" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:53 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="53620" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:53 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="53620" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:53 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="53620" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:53 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="53620" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:53 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="53620" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:53 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="53620" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:53 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="53620" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:53 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="53620" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:56 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:33:56 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:34:34 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:34:36 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="60418" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:34:37 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:34:38 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="60418" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:34:46 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:34:46 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="60418" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:34:52 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:34:56 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="60418" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:35:26 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="56765" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
2014:05:22-11:35:26 ravenna snort[7602]: id="2101" severity="warn" sys="SecureNet" sub="ips" name="Intrusion protection alert" action="alert" reason="BAD-TRAFFIC dns request with long host name segment - possible data exfiltration attempt" group="241" srcip="10.1.2.3" dstip="10.1.1.2" proto="17" srcport="60418" dstport="53" sid="30881" class="Attempted Information Leak" priority="2" generator="3" msgid="0"
Note the only thing I did was boot Windows and run Windows Update.
Any thoughts? I can't find anything meaningful on the interwebs.
This thread was automatically locked due to age.