Krebs on Security

JULY 18, 2022

These services can be used in a legitimate manner for several business purposes — such as price comparisons or sales intelligence — but they are massively abused for hiding cybercrime activity because they can make it difficult to trace malicious traffic to its original source. in the British Virgin Islands. FORUM ACTIVITY?

VPN 296

VPN Computers and Electronics Antivirus Software 296

Krebs on Security

AUGUST 2, 2022

The underground cybercrime forums are now awash in pleas from people who are desperately seeking a new supplier of abundant, cheap, and reliably clean proxies to restart their businesses. That is a far cry from the proxy inventory advertised by 911, which stood at more than 200,000 IP addresses for rent just a few days ago.

Malware 248

Malware Cybercrime Internet Internet 248

Krebs on Security

JUNE 21, 2023

If you operate a cybercrime business that relies on disseminating malicious software, you probably also spend a good deal of time trying to disguise or “crypt” your malware so that it appears benign to antivirus and security products. biz , a long-running crypting service that is trusted by some of the biggest names in cybercrime.

Malware 212

Malware Antivirus Cybercrime Hacking 212

Krebs on Security

APRIL 4, 2024

Privnote’s ease-of-use and popularity among cryptocurrency enthusiasts has made it a perennial target of phishers , who erect Privnote clones that function more or less as advertised but also quietly inject their own cryptocurrency payment addresses when a note is created that contains crypto wallets. Among those is rustraitor[.]info

Phishing 210

Phishing Cryptocurrency DDOS Internet 210

Krebs on Security

APRIL 30, 2020

In a report published today, the company said since late March 2020 it has observed several crooks complaining about COVID-19 interfering with the daily activities of their various money mules (people hired to help launder the proceeds of cybercrime). ” Alex Holden , founder and CTO of Hold Security , agreed. .”

Cybercrime 303

Cybercrime Computers and Electronics Marketing Scams 303

Krebs on Security

SEPTEMBER 29, 2021

In February, KrebsOnSecurity wrote about a novel cybercrime service that helped attackers intercept the one-time passwords (OTPs) that many websites require as a second authentication factor in addition to passwords. agency — advertised a web-based bot designed to trick targets into giving up OTP tokens.

Passwords 316

Passwords Mobile Authentication Banking 316

Krebs on Security

APRIL 28, 2020

The request for the last four of the customer’s credit card number was consistent with my own testing, which relied upon on a caller ID spoofing service advertised in the cybercrime underground and aimed at a Citi account controlled by this author. A screen shot from an underground store selling CVV records. Click to enlarge.

Scams 357

Scams Banking Accountability Financial Services 357

Krebs on Security

OCTOBER 15, 2019

All of the card data stolen from BriansClub was shared with multiple sources who work closely with financial institutions to identify and monitor or reissue cards that show up for sale in the cybercrime underground. The leaked data shows that in 2015, BriansClub added just 1.7 million card records for sale. million more. HACKING BACK?

Hacking 206

Hacking Cybercrime Marketing Banking 206

Krebs on Security

JUNE 28, 2022

Google took aim at Glupteba in part because its owners were using the botnet to divert and steal vast sums in online advertising revenue. Full disclosure: Constella is currently an advertiser on this website]. ru , an extremely popular Russian-language pay-per-install network that has been in operation for at least a decade.

Passwords 235

Passwords Malware Internet Internet 235

Krebs on Security

NOVEMBER 13, 2018

But the site is noticeably devoid of any SSL certificate (the entire site is [link] not [link] and the products for sale are all advertised for roughly half their normal cost. It’s now advertising running shoes. So what’s going here? .” 4, KrebsOnSecurity published Who’s in Your Online Shopping Cart?

Accountability 215

Accountability eCommerce Cybercrime Advertising 215

Krebs on Security

FEBRUARY 4, 2021

Facebook said it targeted a number of accounts tied to key sellers on OGUsers, as well as those who advertise the ability to broker stolen account sales. Like most cybercrime forums, OGUsers is overrun with shady characters who are there mainly to rip off other members. THE MIDDLEMEN.

Accountability 296

Accountability Hacking Media Mobile 296

Krebs on Security

FEBRUARY 28, 2023

In each case, the goal of the attackers was the same: Phish T-Mobile employees for access to internal company tools, and then convert that access into a cybercrime service that could be hired to divert any T-Mobile user’s text messages and phone calls to another device. ” or “ Tmo up!

Mobile 306

Mobile Phishing Authentication Advertising 306

Krebs on Security

JUNE 6, 2023

In May, KrebsOnSecurity interviewed a Russian spammer named “ Quotpw “ who was mass-registering accounts on the social media network Mastodon in order to conduct a series of huge spam campaigns advertising scam cryptocurrency investment platforms. Image: Trend Micro. billion last year.

Accountability 206

Accountability Scams Cryptocurrency Advertising 206

Krebs on Security

OCTOBER 8, 2020

But judging from the proliferation of help-wanted ads for offensive pentesters in the cybercrime underground, today’s attackers have exactly zero trouble gaining that initial intrusion: The real challenge seems to be hiring enough people to help everyone profit from the access already gained.

Cybercrime 300

Cybercrime VPN Malware Penetration Testing 300

Krebs on Security

MARCH 29, 2022

” On April 5, 2021, Everlynn posted a new sales thread to the cybercrime forum cracked[.]to Everlynn advertising a warrant/subpoena service based on fake EDRs. ” which advertised the ability to send email from a federal agency within the government of Argentina. ” The price: $100 to $250 per request.

Accountability 272

Accountability Government Hacking Social Engineering 272

Krebs on Security

JULY 16, 2019

For at least the past decade, a computer crook variously known as “ Yalishanda ,” “ Downlow ” and “ Stas_vl ” has run one of the most popular “bulletproof” Web hosting services catering to a vast array of phishing sites, cybercrime forums and malware download servers.

Cybercrime 179

Cybercrime Phishing Banking Malware 179

Krebs on Security

APRIL 27, 2022

Fake EDRs have become such a reliable method in the cybercrime underground for obtaining information about account holders that several cybercriminals have started offering services that will submit these fraudulent EDRs on behalf of paying clients to a number of top social media and technology firms.

Mobile 180

Mobile Government Media Technology 180

Krebs on Security

FEBRUARY 9, 2022

The crackdown — the second closure of major card fraud shops by Russian authorities in as many weeks — comes closely behind Russia’s arrest of 14 alleged affiliates of the REvil ransomware gang , and has many in the cybercrime underground asking who might be next. K’s message for Trump’s Dumps users.

Cybercrime 230

Cybercrime Identity Theft Marketing Retail 230

Krebs on Security

FEBRUARY 25, 2021

These days, some of the most frequent posts on those channels advertise the sale of various “methods” or tips about how to bypass ID.me in cybercrime forums, Telegram channels throughout 2020. protections. Mentions of id.me Source: Flashpoint-intel.com.

Scams 309

Scams Insurance DDOS Authentication 309