The recent arrest of prolific spammer Petr Levashov left a void in the spamming community that some actors appear to be seeking to fill by launching large-scale spam campaigns — some of which are fueled by Crimeware-as-a-Service (Caa S) offerings.
One such campaign linked to online dating scams has proven to be especially damaging because it is powered by Necurs — the largest spam botnet in the world.
RECOMMENDED: Commentary - #Never Trump, #Maybe Hillary Hackers know users cling to favourite passwords, resisting admonitions to change credentials regularly and make them more complex.
It's why attackers reuse old passwords found on one account to try to break into other accounts of the same user.
Can you exclude any possibility that some "normal" non-spam mail would come from Russia? Maybe according to your mail servers you can assume this, but overall only 4.9% of total spam comes from Russia according to Trustwave.
However, as the Necurs source code and its ownership remain closely-guarded by the administrator, the service is typically only available to heavily-vetted elite cybercriminals.
Dear team of Bride.ru, Last year in July me and my lady had our first meeting in Cheboksary.
After a wonderful meeting in Russia and holidays in Egypt, we decided to marry in September 2006.
I am convinced that I could not find anyone better than my beloved wife Nonna!
Now we are a happy couple and can honestly recommend your service to single men and women.