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Brazilian Cybercriminals Using LOLBaS and CMD Scripts to Drain Bank Accounts

By Ravie Lakshmanan
An unknown cybercrime threat actor has been observed targeting Spanish- and Portuguese-speaking victims to compromise online banking accounts in Mexico, Peru, and Portugal. "This threat actor employs tactics such as LOLBaS (living-off-the-land binaries and scripts), along with CMD-based scripts to carry out its malicious activities," the BlackBerry Research and Intelligence Team said in a report

S3 Ep137: 16th century crypto skullduggery

By Paul Ducklin
Lots to learn, clearly explained in plain English... listen now! (Full transcript inside.)

s3-ep137-feat-1200

Unmasking XE Group: Experts Reveal Identity of Suspected Cybercrime Kingpin

By Ravie Lakshmanan
Cybersecurity researchers have unmasked the identity of one of the individuals who is believed to be associated with the e-crime actor known as XE Group. According to Menlo Security, which pieced together the information from different online sources, "Nguyen Huu Tai, who also goes by the names Joe Nguyen and Thanh Nguyen, has the strongest likelihood of being involved with the XE Group." XE

6 Steps to Effectively Threat Hunting: Safeguard Critical Assets and Fight Cybercrime

By The Hacker News
Finding threat actors before they find you is key to beefing up your cyber defenses. How to do that efficiently and effectively is no small task – but with a small investment of time, you can master threat hunting and save your organization millions of dollars. Consider this staggering statistic. Cybersecurity Ventures estimates that cybercrime will take a $10.5 trillion toll on the global

Phishing Domains Tanked After Meta Sued Freenom

By BrianKrebs

The number of phishing websites tied to domain name registrar Freenom dropped precipitously in the months surrounding a recent lawsuit from social networking giant Meta, which alleged the free domain name provider has a long history of ignoring abuse complaints about phishing websites while monetizing traffic to those abusive domains.

The volume of phishing websites registered through Freenom dropped considerably since the registrar was sued by Meta. Image: Interisle Consulting.

Freenom is the domain name registry service provider for five so-called “country code top level domains” (ccTLDs), including .cf for the Central African Republic; .ga for Gabon; .gq for Equatorial Guinea; .ml for Mali; and .tk for Tokelau.

Freenom has always waived the registration fees for domains in these country-code domains, but the registrar also reserves the right to take back free domains at any time, and to divert traffic to other sites — including adult websites. And there are countless reports from Freenom users who’ve seen free domains removed from their control and forwarded to other websites.

By the time Meta initially filed its lawsuit in December 2022, Freenom was the source of well more than half of all new phishing domains coming from country-code top-level domains. Meta initially asked a court to seal its case against Freenom, but that request was denied. Meta withdrew its December 2022 lawsuit and re-filed it in March 2023.

“The five ccTLDs to which Freenom provides its services are the TLDs of choice for cybercriminals because Freenom provides free domain name registration services and shields its customers’ identity, even after being presented with evidence that the domain names are being used for illegal purposes,” Meta’s complaint charged. “Even after receiving notices of infringement or phishing by its customers, Freenom continues to license new infringing domain names to those same customers.”

Meta pointed to research from Interisle Consulting Group, which discovered in 2021 and again last year that the five ccTLDs operated by Freenom made up half of the Top Ten TLDs most abused by phishers.

Interisle partner Dave Piscitello said something remarkable has happened in the months since the Meta lawsuit.

“We’ve observed a significant decline in phishing domains reported in the Freenom commercialized ccTLDs in months surrounding the lawsuit,” Piscitello wrote on Mastodon. “Responsible for over 60% of phishing domains reported in November 2022, Freenom’s percentage has dropped to under 15%.”

Interisle collects data from 12 major blocklists for spam, malware, and phishing, and it receives phishing-specific data from Spamhaus, Phishtank, OpenPhish and the APWG Ecrime Exchange. The company publishes historical data sets quarterly, both on malware and phishing.

Piscitello said it’s too soon to tell the full impact of the Freenom lawsuit, noting that Interisle’s sources of spam and phishing data all have different policies about when domains are removed from their block lists.

“One of the things we don’t have visibility into is how each of the blocklists determine to remove a URL from their lists,” he said. “Some of them time out [listed domains] after 14 days, some do it after 30, and some keep them forever.”

Freenom did not respond to requests for comment.

This is the second time in as many years that a lawsuit by Meta against a domain registrar has disrupted the phishing industry. In March 2020, Meta sued domain registrar giant Namecheap, alleging cybersquatting and trademark infringement.

The two parties settled the matter in April 2022. While the terms of that settlement have not been disclosed, new phishing domains registered through Namecheap declined more than 50 percent the following quarter, Interisle found.

Phishing attacks using websites registered through Namecheap, before and after the registrar settled a lawsuit with Meta. Image: Interisle Consulting.

Unfortunately, the lawsuits have had little effect on the overall number of phishing attacks and phishing-related domains, which have steadily increased in volume over the years.  Piscitello said the phishers tend to gravitate toward registrars that offer the least resistance and lowest price per domain. And with new top-level domains constantly being introduced, there is rarely a shortage of super low-priced domains.

“The abuse of a new top-level domain is largely the result of one registrar’s portfolio,” Piscitello told KrebsOnSecurity. “Alibaba or Namecheap or another registrar will run a promotion for a cheap domain, and then we’ll see flocking and migration of the phishers to that TLD. It’s like strip mining, where they’ll buy hundreds or thousands of domains, use those in a campaign, exhaust that TLD and then move on to another provider.”

Piscitello said despite the steep drop in phishing domains coming out of Freenom, the alternatives available to phishers are many. After all, there are more than 2,000 accredited domain registrars, not to mention dozens of services that let anyone set up a website for free without even owning a domain.

“There is no evidence that the trend line is even going to level off,” he said. “I think what the Meta lawsuit tells us is that litigation is like giving someone a standing eight count. It temporarily disrupts a process. And in that sense, litigation appears to be working.”

U.K. Fraudster Behind iSpoof Scam Receives 13-Year Jail Term for Cyber Crimes

By Ravie Lakshmanan
A U.K. national responsible for his role as the administrator of the now-defunct iSpoof online phone number spoofing service has been sentenced to 13 years and 4 months in prison. Tejay Fletcher, 35, of Western Gateway, London, was awarded the sentence on May 18, 2023. He pleaded guilty last month to a number of cyber offenses, including facilitating fraud and possessing and transferring

Meet 'Jack' from Romania! Mastermind Behind Golden Chickens Malware

By Ravie Lakshmanan
The identity of the second threat actor behind the Golden Chickens malware has been uncovered courtesy of a "fatal" operational security blunder, cybersecurity firm eSentire said. The individual in question, who lives in Bucharest, Romania, has been given the codename Jack. He is one of the two criminals operating an account on the Russian-language Exploit.in forum under the name "badbullzvenom

Notorious Cyber Gang FIN7 Returns With Cl0p Ransomware in New Wave of Attacks

By Ravie Lakshmanan
The notorious cybercrime group known as FIN7 has been observed deploying Cl0p (aka Clop) ransomware, marking the threat actor's first ransomware campaign since late 2021. Microsoft, which detected the activity in April 2023, is tracking the financially motivated actor under its new taxonomy Sangria Tempest. "In these recent attacks, Sangria Tempest uses the PowerShell script POWERTRASH to load

This Cybercrime Syndicate Pre-Infected Over 8.9 Million Android Phones Worldwide

By Ravie Lakshmanan
A cybercrime enterprise known as Lemon Group is leveraging millions of pre-infected Android smartphones worldwide to carry out their malicious operations, posing significant supply chain risks. "The infection turns these devices into mobile proxies, tools for stealing and selling SMS messages, social media and online messaging accounts and monetization via advertisements and click fraud,"

U.S. Offers $10 Million Bounty for Capture of Notorious Russian Ransomware Operator

By Ravie Lakshmanan
A Russian national has been charged and indicted by the U.S. Department of Justice (DoJ) for launching ransomware attacks against "thousands of victims" in the country and across the world. Mikhail Pavlovich Matveev (aka Wazawaka, m1x, Boriselcin, and Uhodiransomwar), the 30-year-old individual in question, is alleged to be a "central figure" in the development and deployment of LockBit, Babuk,

Mastermind Behind Twitter 2020 Hack Pleads Guilty and Faces up to 70 Years in Prison

By Ravie Lakshmanan
A U.K. national has pleaded guilty in the U.S. in connection with the July 2020 Twitter attack affecting numerous high-profile accounts and defrauding other users of the platform. Joseph James O'Connor, who also went by the online alias PlugwalkJoe, admitted to "his role in cyberstalking and multiple schemes that involve computer hacking, including the July 2020 hack of Twitter," the U.S.

U.S. Authorities Seize 13 Domains Offering Criminal DDoS-for-Hire Services

By Ravie Lakshmanan
U.S. authorities have announced the seizure of 13 internet domains that offered DDoS-for-hire services to other criminal actors. The takedown is part of an ongoing international initiative dubbed Operation PowerOFF that's aimed at dismantling criminal DDoS-for-hire infrastructures worldwide. The development comes almost five months after a "sweep" in December 2022 dismantled 48 similar services 

Feds Take Down 13 More DDoS-for-Hire Services

By BrianKrebs

The U.S. Federal Bureau of Investigation (FBI) this week seized 13 domain names connected to “booter” services that let paying customers launch crippling distributed denial-of-service (DDoS) attacks. Ten of the domains are reincarnations of DDoS-for-hire services the FBI seized in December 2022, when it charged six U.S. men with computer crimes for allegedly operating booters.

Booter services are advertised through a variety of methods, including Dark Web forums, chat platforms and even youtube.com. They accept payment via PayPal, Google Wallet, and/or cryptocurrencies, and subscriptions can range in price from just a few dollars to several hundred per month. The services are generally priced according to the volume of traffic to be hurled at the target, the duration of each attack, and the number of concurrent attacks allowed.

The websites that saw their homepages replaced with seizure notices from the FBI this week include booter services like cyberstress[.]org and exoticbooter[.]com, which the feds say were used to launch millions of attacks against millions of victims.

“School districts, universities, financial institutions and government websites are among the victims who have been targeted in attacks launched by booter services,” federal prosecutors in Los Angeles said in a statement.

Purveyors of booters or “stressers” claim they are not responsible for how customers use their services, and that they aren’t breaking the law because — like most security tools — these services can be used for good or bad purposes. Most booter sites employ wordy “terms of use” agreements that require customers to agree they will only stress-test their own networks — and that they won’t use the service to attack others.

But the DOJ says these disclaimers usually ignore the fact that most booter services are heavily reliant on constantly scanning the Internet to commandeer misconfigured devices that are critical for maximizing the size and impact of DDoS attacks. What’s more, none of the services seized by the government required users to demonstrate that they own the Internet addresses being stress-tested, something a legitimate testing service would insist upon.

This is the third in a series of U.S. and international law enforcement actions targeting booter services. In December 2022, the feds seized four-dozen booter domains and charged six U.S. men with computer crimes related to their alleged ownership of the popular DDoS-for-hire services. In December 2018, the feds targeted 15 booter sites, and three booter store defendants who later pleaded guilty.

While the FBI’s repeated seizing of booter domains may seem like an endless game of virtual Whac-a-Mole, continuously taking these services offline imposes high enough costs for the operators that some of them will quit the business altogether, says Richard Clayton, director of Cambridge University’s Cybercrime Centre.

In 2020, Clayton and others published “Cybercrime is Mostly Boring,” an academic study on the quality and types of work needed to build, maintain and defend illicit enterprises that make up a large portion of the cybercrime-as-a-service market. The study found that operating a booter service effectively requires a mind-numbing amount of constant, tedious work that tends to produce high burnout rates for booter service operators — even when the service is operating efficiently and profitably.

For example, running an effective booter service requires a substantial amount of administrative work and maintenance, much of which involves constantly scanning for, commandeering and managing large collections of remote systems that can be used to amplify online attacks, Clayton said. On top of that, building brand recognition and customer loyalty takes time.

“If you’re running a booter and someone keeps taking your domain or hosting away, you have to then go through doing the same boring work all over again,” Clayton told KrebsOnSecurity. “One of the guys the FBI arrested in December [2022] spent six months moaning that he lost his servers, and could people please lend him some money to get it started again.”

In a statement released Wednesday, prosecutors in Los Angeles said four of the six men charged last year for running booter services have since pleaded guilty. However, at least one of the defendants from the 2022 booter bust-up — John M. Dobbs, 32, of Honolulu, HI — has pleaded not guilty and is signaling he intends to take his case to trial.

The FBI seizure notice that replaced the homepages of several booter services this week.

Dobbs is a computer science graduate student who for the past decade openly ran IPStresser[.]com, a popular and powerful attack-for-hire service that he registered with the state of Hawaii using his real name and address. Likewise, the domain was registered in Dobbs’s name and hometown in Pennsylvania. Prosecutors say Dobbs’ service attracted more than two million registered users, and was responsible for launching a staggering 30 million distinct DDoS attacks.

Many accused stresser site operators have pleaded guilty over the years after being hit with federal criminal charges. But the government’s core claim — that operating a booter site is a violation of U.S. computer crime laws — wasn’t properly tested in the courts until September 2021.

That was when a jury handed down a guilty verdict against Matthew Gatrel, a then 32-year-old St. Charles, Ill. man charged in the government’s first 2018 mass booter bust-up. Despite admitting to FBI agents that he ran two booter services (and turning over plenty of incriminating evidence in the process), Gatrel opted to take his case to trial, defended the entire time by court-appointed attorneys.

Gatrel was convicted on all three charges of violating the Computer Fraud and Abuse Act, including conspiracy to commit unauthorized impairment of a protected computer, conspiracy to commit wire fraud, and unauthorized impairment of a protected computer. He was sentenced to two years in prison.

A copy of the FBI’s booter seizure warrant is here (PDF). According to the DOJ, the defendants who pleaded guilty to operating booter sites include:

Jeremiah Sam Evans Miller, aka “John The Dev,” 23, of San Antonio, Texas, who pleaded guilty on April 6 to conspiracy and violating the computer fraud and abuse act related to the operation of a booter service named RoyalStresser[.]com (formerly known as Supremesecurityteam[.]com);

Angel Manuel Colon Jr., aka “Anonghost720” and “Anonghost1337,” 37, of Belleview, Florida, who pleaded guilty on February 13 to conspiracy and violating the computer fraud and abuse act related to the operation of a booter service named SecurityTeam[.]io;

Shamar Shattock, 19, of Margate, Florida, who pleaded guilty on March 22 to conspiracy to violate the computer fraud and abuse act related to the operation of a booter service known as Astrostress[.]com;

Cory Anthony Palmer, 23, of Lauderhill, Florida, who pleaded guilty on February 16 to conspiracy to violate the computer fraud and abuse act related to the operation of a booter service known as Booter[.]sx.

All four defendants are scheduled to be sentenced this summer.

The booter domains seized by the FBI this week include:

cyberstress[.]org
exoticbooter[.]com
layerstress[.]net
orbitalstress[.]xyz
redstresser[.]io
silentstress[.]wtf
sunstresser[.]net
silent[.]to
mythicalstress[.]net
dreams-stresser[.]org
stresserbest[.]io
stresserus[.]io
quantum-stress[.]org

Mac malware-for-hire steals passwords and cryptocoins, sends “crime logs” via Telegram

By Paul Ducklin
These malware peddlers are specifically going after Mac users. The hint's in the name: "Atomic macOS Stealer", or AMOS for short.

S3 Ep132: Proof-of-concept lets anyone hack at will

By Paul Ducklin
When Doug says, "Happy Remote Code Execution Day, Duck"... it's irony. For the avoidance of all doubt :-)

New All-in-One "EvilExtractor" Stealer for Windows Systems Surfaces on the Dark Web

By Ravie Lakshmanan
A new "all-in-one" stealer malware named EvilExtractor (also spelled Evil Extractor) is being marketed for sale for other threat actors to steal data and files from Windows systems. "It includes several modules that all work via an FTP service," Fortinet FortiGuard Labs researcher Cara Lin said. "It also contains environment checking and Anti-VM functions. Its primary purpose seems to be to

S3 Ep130: Open the garage bay doors, HAL [Audio + Text]

By Paul Ducklin
I'm sorry, Dave. I'm afraid I can't... errr, no, hang on a minute, I can do that easily! Worldwide! Right now!

FBI Cracks Down on Genesis Market: 119 Arrested in Cybercrime Operation

By Ravie Lakshmanan
A joint international law enforcement operation has dismantled Genesis Market, an illegal online marketplace that specialized in the sale of stolen credentials associated with email, bank accounts, and social media platforms. Coinciding with the infrastructure seizure, the major crackdown, which involved authorities from 17 countries, culminated in 119 arrests and 208 property searches in 13

Cyber Police of Ukraine Busted Phishing Gang Responsible for $4.33 Million Scam

By Ravie Lakshmanan
The Cyber Police of Ukraine, in collaboration with law enforcement officials from Czechia, has arrested several members of a cybercriminal gang that set up phishing sites to target European users. Two of the apprehended affiliates are believed to be organizers, with 10 others detained in other territories across the European Union. The suspects are alleged to have created more than 100 phishing

UK Sets Up Fake Booter Sites To Muddy DDoS Market

By BrianKrebs

The United Kingdom’s National Crime Agency (NCA) has been busy setting up phony DDoS-for-hire websites that seek to collect information on users, remind them that launching DDoS attacks is illegal, and generally increase the level of paranoia for people looking to hire such services.

The warning displayed to users on one of the NCA’s fake booter sites. Image: NCA.

The NCA says all of its fake so-called “booter” or “stresser” sites — which have so far been accessed by several thousand people — have been created to look like they offer the tools and services that enable cyber criminals to execute these attacks.

“However, after users register, rather than being given access to cyber crime tools, their data is collated by investigators,” reads an NCA advisory on the program. “Users based in the UK will be contacted by the National Crime Agency or police and warned about engaging in cyber crime. Information relating to those based overseas is being passed to international law enforcement.”

The NCA declined to say how many phony booter sites it had set up, or for how long they have been running. The NCA says hiring or launching attacks designed to knock websites or users offline is punishable in the UK under the Computer Misuse Act 1990.

“Going forward, people who wish to use these services can’t be sure who is actually behind them, so why take the risk?” the NCA announcement continues.

The NCA campaign comes closely on the heels of an international law enforcement takedown involving four-dozen websites that made powerful DDoS attacks a point-and-click operation.

In mid-December 2022, the U.S. Department of Justice (DOJ) announced “Operation Power Off,” which seized four-dozen booter business domains responsible for more than 30 million DDoS attacks, and charged six U.S. men with computer crimes related to their alleged ownership of popular DDoS-for-hire services. In connection with that operation, the NCA also arrested an 18-year-old man suspected of running one of the sites.

According to U.S. federal prosecutors, the use of booter and stresser services to conduct attacks is punishable under both wire fraud laws and the Computer Fraud and Abuse Act (18 U.S.C. § 1030), and may result in arrest and prosecution, the seizure of computers or other electronics, as well as prison sentences and a penalty or fine.

The United Kingdom, which has been battling its fair share of domestic booter bosses, started running online ads in 2020 aimed at young people who search the Web for booter services.

As part of last year’s mass booter site takedown, the FBI and the Netherlands Police joined the NCA in announcing they are running targeted placement ads to steer those searching for booter services toward a website detailing the potential legal risks of hiring an online attack.

20-Year-Old BreachForums Founder Faces Up to 5 Years in Prison

By Ravie Lakshmanan
Conor Brian Fitzpatrick, the 20-year-old founder and the administrator of the now-defunct BreachForums has been formally charged in the U.S. with conspiracy to commit access device fraud. If proven guilty, Fitzpatrick, who went by the online moniker "pompompurin," faces a maximum penalty of up to five years in prison. He was arrested on March 15, 2023. "Cybercrime victimizes and steals financial

U.K. National Crime Agency Sets Up Fake DDoS-For-Hire Sites to Catch Cybercriminals

By Ravie Lakshmanan
In what's a case of setting a thief to catch a thief, the U.K. National Crime Agency (NCA) revealed that it has created a network of fake DDoS-for-hire websites to infiltrate the online criminal underground. "All of the NCA-run sites, which have so far been accessed by around several thousand people, have been created to look like they offer the tools and services that enable cyber criminals to

BreachForums Administrator Baphomet Shuts Down Infamous Hacking Forum

By Ravie Lakshmanan
In a sudden turn of events, Baphomet, the current administrator of BreachForums, said in an update on March 21, 2023, that the hacking forum has been officially taken down but emphasized that "it's not the end." "You are allowed to hate me, and disagree with my decision but I promise what is to come will be better for us all," Baphomet noted in a message posted on the BreachForums Telegram

Bitcoin ATM customers hacked by video upload that was actually an app

By Paul Ducklin
As the misquote goes, "Once is misfortune..." This is the second time, and you know what Lady Bracknell had to say about that...

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