Windows Servers Targeted for Cryptocurrency Mining via IIS Flaw

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Electroneum Added To Genesis Mining? (Cloud Mining Company)

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US, UK Accuse Russia of Hacking Home Routers and ISPs to Conduct MitM Attacks

A joint alert issued by the Department of Homeland Security (DHS), the Federal Bureau of Investigation (FBI), and the United Kingdom's National Cyber Security Centre (NCSC) warns that Russian state-sponsored cyber actors are actively targeting home and enterprise routers. US and UK officials say Russian state-sponsored hackers have been historically targeting Internet routing equipment in order "to conduct man-in-the-middle attacks to support espionage, extract intellectual property, maintain persistent access to victim networks, and potentially lay a foundation for future offensive operations." Routers targeted because they're easy to hack Authorities have been tracking attacks dating back to 2016, a  joint Technical Alert (TA) published on the US-CERT website today revealed. "Network devices are ideal targets," the alert reads. "Most or all organizational and customer traffic must traverse these critical devices. A malicious actor with presence on an organization’s gateway router has the ability to monitor, modify, and deny traffic to and from the organization." "Whoever controls the routing infrastructure of a network essentially controls the data flowing through the network," officials warned. Hacks leveraged default creds, misconfigured devices, old flaws At the technical level, attacks varied in methodology, scope, and purpose. Officials said Russian actors have exploited routers with outdated firmware, weak credentials, and misconfigured features to gain a foothold on vulnerable devices. Hacked devices ranged from small home routers to ISP-grade routers and firewalls, with attackers trying to hoard as many systems as possible. Attack vectors include Telnet, TFTP, SNMP, and SMI —protocols often found on routers, known to include vulnerabilities and easy to botch configuration options. The US & UK alert specifically mentions an exploitation tool called SIET (Smart Install Exploitation Tool) that was posted online in November 2016. This tool allows for easy exploitation of Cisco routers with misconfigured Smart Install (SMI) clients. Cisco recently warned that threat actors have started abusing this protocol. Hacking routers is a recent trend among cyber-espionage groups During a webinar last week, Kaspersky Labs expert Costin Raiu pointed out that routers have become a common target for cyber-espionage groups, who are using them to infect users, or as a giant proxy network to hide their tracks. The joint alert contains a description of a basic attack, advice for securing routers, but also indicators of compromise for known infections and threat actors. The US, the UK, Canada, Australia, and New Zealand have recently formally accused Russia of orchestrating the NotPetya ransomware outbreak. The US also imposed sanctions on Russia for the NotPetya ransomware outbreak, cyber-attacks on the US power grid, and their attempts to influence the 2016 US presidential election process. Related Articles: All Five Eyes Countries Formally Accuse Russia o

TaskRabbit Takes Down App and Website After Getting Hacked

TaskRabbit, a web-based service that connects freelance handymen with clients in various local US markets, has emailed customers admitting it suffered a security breach. The company has taken down its app and website while law enforcement and a private cyber-security firm are investigating the incident. The hack appears to have taken place earlier today —US timezones— when users started posting on Twitter images showing defacements of some TaskRabit pages. While the company did not initially admit it was hacked, it did send an email later in the day to its users. "TaskRabbit is currently investigating a cybersecurity incident," the email stated. "We understand how important your personal information is and are working with an outside cybersecurity firm and law enforcement to determine the specific. In the meantime the app and the website are offline while our team works on this." "As an immediate precaution, if you used the same password on other sites or apps as you did for TaskRabbit, we recommend you change those now." It is unclear the extent of the security breach, if the attacker accessed user details, customers' financial data, or if he only defaced the site and left without touching anything else. We will update the story with more details when they become available. Related Articles: Sears and Delta Airlines Suffer Card Breaches via Shared Live Chat ProviderUnder Armour Announces Data Breach of 150 Million User AccountsLiteBit Bitcoin Exchange Hacked Twice in Two MonthsWhite House: Cyberattacks Cost US Economy Between $57B and $109B in 2016$3.3 Million Stolen From Coinsecure Bitcoin Exchange, Inside Job Suspected

HTTP Injector Apps Are Becoming a Popular Method to Obtain Free Internet Access

"HTTP injector" apps traded in public Telegram channels are becoming a popular method of gaining free Internet access on mobile devices. Such apps work by modifying HTTP headers on network requests with malicious code that tricks "captive portals" into giving the user access to the Internet. Captive portals are the temporary web pages that some mobile telcos or private WiFi networks show users when trying to access the Internet, sometimes asking for a password or urging the user to recharge his SIM card's credit. HTTP injector apps hijack connections to "free" websites HTTP Injector apps work by leveraging the fact that some captive portals allow the user to establish connections to some Internet sites included in "data-free" offerings. The HTTP injector app helps the user's device to establish a connection to the free website and then starts injecting HTTP headers, effectively hijacking the "free connection" and allowing the user to access any service of his choosing, later on. "The initial connection to the data-free website begins the session, which can then be exploited using HTTP injectors to request SSH proxies to connect to the internet," Flashpoint says. HTTP injector apps very popular in Brazil Researchers say they've spotted HTTP injector apps shared on Portuguese and Spanish-speaking Telegram channels. The apps were designed to exploit captive portals of Brazilian and Colombian telcos (to a lesser extent). Crooks didn't share these tools in private, close-knit communities, but on public Telegram channels, some of which had over 90,000 users. "One possible reason cybercriminals share their HTTP injector files so freely is to generate a larger footprint on the compromised infrastructure being utilized as a proxy by the HTTP injectors, thereby masking their own illicit activities," researchers said. Previously, hackers usually exploited flaws in telcos' own web or mobile apps to gain free Internet access, but these flaws were never long-lived, as telcos plugged apps sooner or later. Related Articles: Researchers Catch Android OEMs Lying About Security PatchesGoogle, Microsoft, and Mozilla Put Their Backing Behind New WebAuthn APIGoogle Shuts Down Goo.gl URL Shortening ServiceAngry Users Donate $120K to Cancer Research After Brian Krebs' Coinhive ArticleFortnite for iOS is Live and Invites Are Being Sent Out Now

Crooks Hijack Router DNS Settings to Redirect Users to Android Malware

Malware authors have hijacked DNS settings on vulnerable routers to redirect users to sites hosting Android malware. According to Kaspersky Labs telemetry data, these were small-scale attacks, as crooks only hijacked traffic from just 150 unique IP addresses, redirecting users to malicious sites around 6,000 times between February 9 and April 9, 2018. But while researchers weren't able to determine how crooks managed to gain access to home routers to change DNS settings, they were able to get their hands on a sample of the Android malware used in these attacks —an unique strain they named Roaming Mantis. Crooks hid malware in Chrome and Facebook clones For these attacks, crooks redirected users to pages peddling clones of Android apps like Google Chrome for Android (chrome.apk) and Facebook (facebook.apk). Both the websites hosting the fake apps and the apps themselves were available in five languages —Korean, Traditional Chinese, Simplified Chinese, Japanese, and English. These apps used excessive permissions, allowing them total access to the users' smartphones. The apps' main purpose was to overlay login screens on top of various apps. Researches said the malware was hardcoded to target popular games and mobile banking apps from South Korea. Suguru Ishimaru, a security researcher for Kaspersky, said most of the victims were located in South Korea, Japan, India, and Bangladesh, and that Korean was also the primary language of the web pages and inside the malicious apps. Based on his analysis, Roaming Mantis appears to be an information stealer, as the malware's source did not contain any code that attempted to exfiltrate funds from users' accounts, albeit the stolen credentials could be used off-device to commit fraud later on. More details about Roaming Mantis are available in a Kaspersky Lab report. Routers becoming more popular with malware authors But while its source code is nothing spectacular or out of the ordinary, its distribution method —of hijacking DNS settings on home routers— is something that has not seen before with Android malware. The use of compromised routers for malware distribution fits a recent trend where hacked routers have become the favorite playing ground of IoT botnets, proxy networks, and cyber-espionage groups. Image credits: Yu luck, Nasik Lababan, Bleeping Computer Related Articles: Android Trojan Steals Data From Facebook Messenger, Skype, Other IM ClientsHajime Botnet Makes a Comeback With Massive Scan for MikroTik RoutersAndroid Malware Intercepts Phone Calls to Connect Banking Users to ScammersChinese Crooks Assembling Massive Botnet of Nearly 5 Million Android DevicesBanking Trojan Found in Over 40 Models of Low-Cost Android Smartphones

Hackers are leveraging an IIS 6.0 vulnerability to take over Windows servers and install a malware strain that mines the Electroneum cryptocurrency. Attacks aren't widespread, as they target a quite old IIS version, but they are happening at scale. Hackers using former IIS 6.0 zero-day Hackers are using CVE–2017–7269 to take over servers. This is a vulnerability discovered by two Chinese researchers in March 2017 that affects IIS' WebDAV service. At the time it was discovered last year, the flaw was a zero-day, being under heavy exploitation for almost nine months, since June 2016. Microsoft initially said it was not planning to fix the flaw because IIS 6.0 was end-of-life, and so were the operating systems that shipped with IIS 6.0 by default —Windows XP and Windows Server 2003. But the vulnerability shared some common traits with the EXPLODINGCAN NSA exploit leaked in April 2017 by the Shadow Brokers, and it eventually received a fix in mid-June 2017. Since then, it's been used by at least one threat actor to deploy Monero miners on Windows servers still running the old IIS 6.0 version. Hackers using CVE-2017-7269 to install Electroneum miner Now, F5 Labs says it found another hacker group using the same exploit, but deploying an Electroneum miner instead of Monero. According to experts, the threat actor uses CVE–2017–7269 to deliver an ASCII shellcode which contains a Return-Oriented Programming (ROP) exploit chain that installs a reverse shell on vulnerable hosts. Attackers then use the reverse shell to download the miner and start the mining process. The infection process is masked by the use of the Squiblydoo technique and by disguising the miner as the legitimate lsass.exe (Local Security Authority Subsystem Service) process. F5 experts said the Electroneum address they found in attacks stored only $99, suggesting they either caught the campaign at its beginning, or crooks are rotating address IDs to avoid researchers from tracking their entire operation. These are also not the first crooks to mine Electroneum instead of Monero, the cryptocurrency of choice for all recent illegal mining campaigns. The Dofoil malware campaign also used Electroneum, and so did another coinminer campaign that used the legitimate CertUtil Windows utility to download the mining malware on user's systems. Related Articles: Report: Three of Top Four Malware Threats Are In-Browser Cryptocurrency MinersCoinminer Campaigns Target Redis, Apache Solr, and Windows ServersMicrosoft Stops Malware Campaign That Tried to Infect 400,000 Users in 12 HoursCoinminer Comes with a Process "Kill List" to Keep Competitors at BayResearchers Take Down Network of 52,000 Infected Servers Distributing Malware

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