Love is in the air — or, in this case, your spam folder.
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The Necurs botnet is notorious for its massive spam campaigns and is believed to control up to 6 million zombie bots. This botnet is best known for its ties to malware gangs that spread banking Trojans, such as Dridex and TrickBot, and ransomware such Ladies looking sex tonight Ridge Wood Heights Locky, Scarab and Jaff.
But Necurs is not only about malware.
Its operators dabble in distributing spam for other fraud endeavors as well, which brings to light this recent romance scam campaign. InX-Force observed Necurs sending mass amounts of pump-and-dump stock scams deed to make recipients believe a penny stock was about to rise in value. Once enough people buy the stock and it actually rises in value, the scammers Nice horny Rochester bitch off their shares to albany city escort girl a profit.
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The penny stock then drops back to its real market value, and those who bought it are often left with nothing but losses. In earlythe botnet was part of large cryptocurrency scamsand this latest bout of dating spam is yet another major campaign linking Necurs to shady online activity.
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Massive Spam columbus ohio male massage Season Preying on seasonal trends is probably the top characteristic of spam. The current campaign from Necurs reached over million spam messages within a matter of two weeks as the botnet spewed tens of millions of messages in two major bouts.
The first surge started on Jan. Figure 1: Spam volumes recorded since Jan. While typical spam is notorious for bad spelling and grammar, these samples are rather well-worded.
Figure 2: Screen captures of samples spewed by Necurs botnet in its dating spam campaign Source: IBM X-Force Many of the messages indicated that the recipient had a profile on Woman wants casual sex Dundee Kentucky or Badoo, a dating-focused social network founded in by Russian entrepreneur Andrey Andreev.
Badoo is the third most popular dating app in Russia, but it is also available internationally. Spam featuring messages from supposedly interested women is an old ploy.
Such s usually feature nothing more than basic text and are not likely to lure many people in. However, when it comes to spam, mass volume makes for a s game, and fraudsters only need a small percentage of recipients to reply. The threat actors behind this campaign will likely lure their victims to share revealing photos and extort them, ask for money to Women looking sex Winnetoon Nebraska visit or simply infect them with malware.
The spam Swingers ohio marysville. Swinging. sent from roughlydifferent IP addresses. That IP address Together, Vietnam and India hosted 55 percent of the IPs from which the spam originated.
This is how fraudsters avoid blacklists and blocking.
Figure 3: Top sending countries in Necurs dating spam campaign Source: IBM X-Force After the recent takedowns of the Andromeda and Avalanche botnets, Necurs is probably the largest spam distributor serving cybercriminals at this time. These botnets often shuffle their methodschanging up the types of spam they spread and Huntington wife fuck new ways to conceal it in varying file types and ploys.
As a result, spam from Necurs could find its way into both consumer and employee mailboxes.
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The best way to thwart these scams is to increase employee awareness about the types of malicious s they should never open or respond to.