I turned on my *nix boxed to discover these logs from snort:
Events between 10 21 05:50:11 and 10 21 05:51:21
Total events: 2
Signatures recorded: 1
Source IP recorded: 1
Destination IP recorded: 1
Events from same host to same destination using same method
=========================================================================
# of from to method
=========================================================================
2 192.168.15.106 204.15.193.132 (portscan) TCP Portsweep
Percentage and number of events from a host to a destination
============================================================
% # of from to
============================================================
100.00 2 192.168.15.106 204.15.193.132
Percentage and number of events from one host to any with same method
==============================================================
% # of from method
==============================================================
100.00 2 192.168.15.106 (portscan) TCP Portsweep
Percentage and number of events to one certain host
=================================================================
% # of to method
=================================================================
100.00 2 204.15.193.132 (portscan) TCP Portsweep
I whois the address only to get this back:
Priority Colo PRICOLO-BLK02 (NET-204-15-192-0-1)
204.15.192.0 - 204.15.199.255
Ken Snider PRIORITYCOLO-204-15-193-128 (NET-204-15-193-128-1)
204.15.193.128 - 204.15.193.143
#ARIN WHOIS database, last updated 2006-10-20 19:10
So i check my router logs to find this address repetidly trying to connect on random ports above 40000:
202.139.89.134 45945
202.139.89.134 45748
202.139.89.134 45277
202.139.89.134 45517
202.139.89.134 45102
202.139.89.134 45736
202.139.89.134 45073
202.139.89.134 45945
202.139.89.134 45736
202.139.89.134 45235
202.139.89.134 45253
202.139.89.134 45374
202.139.89.134 45800
202.139.89.134 45479
202.139.89.134 45789
202.139.89.134 45296
202.139.89.134 45651
202.139.89.134 45066
202.139.89.134 45817
(Snipped)
So i whois this address to bring back:
OrgName: Asia Pacific Network Information Centre
OrgID: APNIC
Address: PO Box 2131
City: Milton
StateProv: QLD
PostalCode: 4064
Country: AU
ReferralServer: whois://whois.apnic.net
NetRange: 202.0.0.0 - 203.255.255.255
CIDR: 202.0.0.0/7
NetName: APNIC-CIDR-BLK
NetHandle: NET-202-0-0-0-1
Parent:
NetType: Allocated to APNIC
NameServer: NS1.APNIC.NET
NameServer: NS3.APNIC.NET
NameServer: NS4.APNIC.NET
NameServer: TINNIE.ARIN.NET
NameServer: NS-SEC.RIPE.NET
NameServer: DNS1.TELSTRA.NET
Comment: This IP address range is not registered in the ARIN database.
Comment: For details, refer to the APNIC Whois Database via
Comment: WHOIS.APNIC.NET or http://www.apnic.net/apnic-bin/whois2.pl
Comment: ** IMPORTANT NOTE: APNIC is the Regional Internet Registry
Comment: for the Asia Pacific region. APNIC does not operate networks
Comment: using this IP address range and is not able to investigate
Comment: spam or abuse reports relating to these addresses. For more
Comment: help, refer to http://www.apnic.net/info/faq/abuse
Comment:
RegDate: 1994-04-05
Updated: 2005-05-20
OrgTechHandle: AWC12-ARIN
OrgTechName: APNIC Whois Contact
OrgTechPhone: +61 7 3858 3100
OrgTechEmail: search-apnic-not-arin@apnic.net
I cannot seem to find any suspicouse file and tripwire has not logged anything changed.
Im running debian with 2.6 kernel with only one running service, SSH.
My box is fully updated and patched.
Any help would be great.
-Ritalin
