Thursday, 11 August 2011

Something evil on 95.168.177.144: reddingtaxcm.com and inferno.name

reddingtaxcm.com is a legitimate domain that is registered at GoDaddy and has been hijacked to serve up malware, hosted on 95.168.177.144 (NetDirekt, Germany but more below..).

The malware appears to be a variant of Vundo / Virtumundo, the infection mechanism looks to be some sort of injection attack on third party sites.

Although the IP 95.168.177.144 is allocated to NetDirekt (now Leaseweb Germany), it belongs to part of a range suballocated to inferno.name of Serbia (apparently also known as v3Servers.net). Inferno featured recently in this blog with another similar malware attack, that time on 95.168.178.206. 95.168.177.0/4 seems to be full of (possibly fake) pharma sites.

A lot of other IP addresses associated with this company are implicated with forum spamming.

Just in case you want to block traffic to/from inferno.name (although there may well be legitimate sites and servers in these ranges) then I have identified the following IP ranges, although there may well be more:

46.22.211.0/25
80.79.124.128/26
92.48.122.32/28
95.168.165.0/24
95.168.173.0/24
95.168.177.0/24
95.168.178.0/24
95.168.191.0/24
188.72.204.0/24
188.72.213.0/24
188.143.232.0/23
212.95.54.0/24
212.95.58.0/24
212.95.63.0/24

As for 95.168.177.144, watch for traffic going to subdomains of reddingtaxcm.com, for example:

command0.reddingtaxcm.com
danger0.reddingtaxcm.com
costs0.reddingtaxcm.com
fifteen1.reddingtaxcm.com
countries1.reddingtaxcm.com
evil3.reddingtaxcm.com
placed4.reddingtaxcm.com
itself4.reddingtaxcm.com
democratic5.reddingtaxcm.com
dark5.reddingtaxcm.com
original5.reddingtaxcm.com
tuesday5.reddingtaxcm.com
source6.reddingtaxcm.com
cover6.reddingtaxcm.com
highest6.reddingtaxcm.com
college7.reddingtaxcm.com
during9.reddingtaxcm.com
condition9.reddingtaxcm.com
complex9.reddingtaxcm.com
headed0.reddingtaxcm.com

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