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The main underlying trends remained the same, while there was significant growth in trends related to traditional cybercrime, especially mobile threats and global ransomware epidemics. Ransomware became the main theme of the quarter after knocking targeted attacks from the top of the most popular threat rating. The BlackEnergy cyberattack on the Ukrainian energy sector was the most high-profile incident. Although it occurred at the end of last year, a fuller picture of what happened only appeared in the course of the subsequent analysis.
Moreover, attempts by cybercriminals to arrange new attacks continued in The attack was unique because of the damage it caused — the hackers managed to disable the power distribution system in Western Ukraine, launch the Wiper program on the targeted systems and carry out a telephone DDoS on the technical support services of the affected companies.
In particular, they published an analysis of the tool used to penetrate the datasyeet — a malicious DOC file. In February, the experts at Kaspersky Lab revealed details about the activities of Poseidon — the first Portuguese-speaking targeted attack group which had set up a custom-tailored malware boutique.
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Although the report was only released inthe group has been operational for a long time. Malware campaigns that were most probably supported by Poseidon were detected as far back aswhile the first sample dates back to In Q1kaspersky repelled M malicious attacks from online resources located in countries KLreport.
The attack scenario is carefully tailored to the victim. Although the initial infection occurs according to the same scenario, the following stages of the campaign specifically customize the infection method for each new victim.
Having gained access to the corporate network, the criminals move across the network and collect as much data as possible in order to escalate their privileges, create a network map and to identify the computer they need. The main target of the attack is usually the local Windows domain controller. Once they have control over it, 744640 attackers can steal intellectual property, data, trade secrets, and other satasheet information. The information collected by Poseidon for its owners was in most cases used to blackmail victim companies into contracting the Poseidon Group as a security firm.
RSP s RCP TC-2 a FCR25
Regardless of whether a contract was signed, Poseidon remained on the network. The incident revealed a lot of problems in the work of the company and many thought it would be very difficult for the business to develop further. This indicates datasbeet the group has no intention of halting its work and is daasheet to develop in the sphere of secondary operating systems. Yet another story related to Hacking Team was the hunt for a Microsoft Silverlight 0-day.
Based on very little initial data and armed with the Yara and VirusTotal tools, our experts set a trap and waited. And sure enough, they detected a 0-day exploit. Kaspersky Lab was among the participants in operation Blockbuster, a joint investigation conducted by several major IT security companies. The subject of the investigation was datasueet by the Lazarus Groupa cybercriminal gang of supposedly North Korean origin that was involved in the attack on Sony Pictures in The Lazarus Group has been around sincebut their activities moved up a gear from During the investigation over 40 different types of malicious program, which they had created over the years, were detected.
In particular, the group used their malware to attack companies, financial institutions, radio and television. Use satasheet exploits for 0-day vulnerabilities was also recorded. Unfortunately, medical institutions are being targeted more and more by such attacks.
In the first quarter ofthere were several incidents of hospital networks being infected with various types of Trojan ransomware that encrypts data and demands a ransom to decrypt it. The latest incident was an attack on the MedStar network that affected 10 hospitals.
The Trojan was developed continuously over several years, with the first samples appearing in It has had different names at different times: The GReAT experts believe that Adwind and all its incarnations have been developed by one hard-working hacker who has been releasing new features and modules for four years.
The Adwind platform was initially only available in Spanish, but an English-language interface was added later, allowing cybercriminals worldwide to evaluate it. The main users of this Trojan are those conducting advanced cyber eatasheet, unscrupulous competitors, as well as so-called Internet mercenaries who are paid for spying on people and organizations online.
Adwind can also be used by anyone wishing to spy on their friends. Geographically, dataseet biggest concentration of victims has also changed over the last four years. Inthe targets were mostly in Spanish- and Arabic-speaking countries.
Fortunately, our investigation was not in vain — a few days after its publication, the JSocket website stopped working and the Adwind author ceased their activity. Since then, no new versions of the Trojan have appeared.
Perhaps we can expect another reincarnation of the Trojan, or datashset this is the end of the story. InKaspersky Lab researchers conducted incident response investigations for 29 organizations located in Russia that were infected by these three groups.
There are other cybercriminal groups currently attacking banks in Russia, but these three are the most active and are involved in the most high-profile thefts from both customer bank accounts and the banks themselves. The activity of Carbanak 2. In DecemberKaspersky Lab confirmed that the group was still active after discovering signs of Carbanak in a telecommunications company and a financial organization.
An interesting feature of the Carbanak 2. The group has moved beyond banks and is now targeting the budgeting and accounting departments of any organization that interests them, using the same APT-style tools and techniques.
In one remarkable case, the Carbanak 2. The information was modified to name a money mule as a shareholder of the company, displaying their IDs. Yet another criminal gang known as Buhtrap came to the fore in the first quarter. It is responsible daatsheet only for the theft of hundreds of millions of rubles from Russian banks but also for organizing a targeted attack on banks using the names and attributes of FinCERT, a special department of the Central Bank of Russia created to detect cyberattacks and notify member banks.
The malicious mass mailing affected hundreds of banks in Russia. The attackers have a database of their employee email addresses, including names and surnames. A legitimate remote administration tool was used as the remote access module installed in the system. On the global arena, the most prominent attack on banks was that involving the Central Bank of Bangladesh.
It was not just the object of the attack — the Central Bank — that was remarkable but also the amount of money the attackers managed to steal, datasheft the amount they tried datashewt steal but failed.
The investigation is still ongoing, but according to the information that has been made public, it is possible to put together a picture of what happened. Back in early February, hackers managed to access the workstations of several employees at the national bank. Using their identities, the fraudsters began to send out transfer orders for money held in different banks including the New York Federal Reserve Bank.
The money was transferred to accounts in datashedt Philippines and then passed through a money-laundering scheme involving local casinos and forex brokers.
The head of the Central Bank was forced to resign, the investigators are currently trying to trace those responsible, and the bank is taking measures to return at least some of the stolen funds.
As we mentioned dwtasheet, ransomware Trojans were the main theme of the quarter and could well become the main problem of the year. Making the situation worse is the fact that a number of ransomware Trojans have become accessible to anyone with a little bit of cyber know-how in the form of source code. As a consequence, even the average script-kiddy datasheeet deploy their own version of the Trojan which, together with the active use of Bitcoin for paying ransoms, makes it much easier to organize attacks with impunity.
Moreover, the term Ransomware-as-a-Service RaaS has already come into use. This involves the attackers offering to pay for Trojan distribution, promising a cut of any ransom money received. The clients of these services are usually webmasters of porn sites.
According to reports from several companies, the first dataxheet of saw incidents where ransomware was used by a number of well-known APT-groupsmainly Chinese. We also identified similar cases, and not only involving Chinese groups. If these incidents become a trend, the threat will move to a new level because the damage caused by ransomware is not much different from that caused by Wiper-type Trojans.
In both cases, user data becomes inaccessible. The earlier version of CTB-Locker known as crypto-ransomware Onion differed from other ransomware in that it used the anonymous network Tor to protect its command servers from being disabled because, as a rule, it is only possible to disable static servers.
The use of Tor also helped the malware avoid detection and blocking.
There was one more thing that catasheet CTB-Locker operators: Once the ransom is paid, a key is generated to decrypt the web server files. However, the biggest crypto epidemic of Q1 was caused by the ransomware Trojan Locky detected by Kaspersky Lab products as Trojan-Ransom. This Trojan is continuing to spread; Kaspersky Lab products have recorded attempts to infect users in countries around the world. In order to spread the Trojan, the cybercriminals use mass mailings in which malicious loaders are attached to spam messages.
The messages are mostly in English, though some bilingual variants have appeared. The most significant technical innovation in ransomware was full disk encryption dataaheet specifically, encryption of the file system table rather than file encryption. This trick was used by the Petya Trojan the fact that it has a Russian name does not necessarily mean that it was created by Russian-language malware writers.
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After encrypting the main file table, Petya shows its true face — a skull and crossbones composed of ASCII characters. Then the typical encryptor routine begins: At this stage, the only thing that distinguishes Petya from other ransomware is the fact that it operates without an Internet connection. This means the user has to go to another computer to pay the ransom and recover their data.
The attackers used it to infect two BitTorrent client installers from the open source Transmission project, which were available for download on their official website.
Most likely, the project site was hacked, and the files for download were substituted for malicious recompiled versions. The KeRanger Apple encryptor was signed with a valid Apple certificate, and could therefore bypass the Gatekeeper security feature. Encryptors belong to the Trojan-Ransom class of malware, i. Today, in addition to encryptors this class of malicious programs also includes so-called browser ransomware. In this section, we will not dwell on browser ransomware, but will look at malicious encryptors in more detail.
The following graph represents the rise in the number of newly created encryptor modifications over the last two quarters. The overall number of encryptor modifications in our Virus Collection to date is at least 15, Nine new encryptor families and 2, new modifications were detected in Q1.
Number of users attacked by Trojan-Ransom encryptor malware Q1