Hackers launched a denial-of-service (DoS) attack on a well-known wallet Electrum server, according to The Devi Security Lab. Hackers used botnets of more than 140,000 computers to attack Electrum nodes and simultaneously deployed malicious nodes. When a user connects to these malicious nodes and sends a transaction using an older version of Electrum, the user is prompted to update the client carrying the backdoor. If the user installs the client as prompted, the private key is stolen and all digital assets are lost. Millions of dollars of digital currency have been stolen, according to Electrum officials. De-dimensional Security Labs recommends that users of electrum wallets be updated to the latest version of the client through the official website and never use the link in the prompt message.
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Cryptocurrencies Wallet Electrum has lost nearly 250 bitcoins (approximately $914,000) as a result of the new phishing attack. Electrum has confirmed the authenticity of the attack. An attacker could induce a user to provide password information by creating a fake wallet.
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Electrum hackers pre-empted a large number of "normal" electrum servers on the P2P network.
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Today, electrum Wallet's official Twitter feed repeatedly alerted users to hacking attacks.
Users of cryptocurrencies wallets Electrum and MyEtherWallet are now facing phishing attacks, according to posts posted on Reddit and Twitter on February 4, coinelegraph reported. The MyEtherWallet team has issued a warning about phishing emails sent to users. Electrum also posted a warning on its website informing users that the electrum version, which predies 3.3.3, is vulnerable to phishing attacks. The company warned its users not to download software updates from other sources.
Electrum posted a message about the incident on Twitter today, claiming that "there are currently phishing attacks against Electrum users" and imploring users to check the validity of their login information.
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According to the dimensionality reduction security laboratory (johnwick.io), hackers launched a denial of service (DoS) attack on the well-known wallet Electrum server. The hackers used a botnet of more than 140,000 computers to attack Electrum nodes and deployed malicious nodes at the same time . When users connect to these malicious nodes and use the old version of Electrum to send transactions
Several wallets - like Coinomi, Electrum and Wasabi - moved straight to this.
Electrum client. A veteran security research expert told Hard Fork that if a user installs the problem version of Electrum.
Electrum is a world-renowned Bitcoin light wallet with a long history of multi-signature support and a very broad user base, many of which like to use Electrum as a cold wallet or multi-signature wallet for Bitcoin or even USDT (Omni). Based on this usage scenario, Electrum is used less frequently on the user's computer. The current version of Electrum is 3.3.8, and previous versions of 3.3.4 are known to have "message defects" that allow an attacker to send an "update prompt" through a malicious ElectrumX server. This "update tip" is very confusing to the user, and if you follow the prompt to download the so-called new version of Electrum, you may be tricked. According to user feedback, because of this attack, stolen bitcoins are in the four digits or more.
The Electrum team has announced the attack in an official tweet, saying that "this is an ongoing phishing attack on Electrum users" and reminding users to check the authenticity of the client's source before logging in. The team published its official website, and electrum clients downloaded elsewhere may be problematic.
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According to the slow fog zone, the Phishing attack by Electrum forged upgrade tips has stolen at least 200 BTCs, and this attack cannot be avoided by upgrading Electrum alone, requiring the entire ecological service to make corresponding changes (because Electrum is not a full node, and then on the transaction broadcast and the corresponding server has a message communication, the attacker can also deploy a malicious server)
Electrum is a popular software wallet that works by connecting to a dedicated server. These servers receive a hash of the Bitcoin address in the wallet and reply with transaction information. Electrum wallets are fast and have few resources, but by default, it connects to these servers and can easily monitor users. In addition to Electrum, some other software uses public Electrum servers. By 2019, it is a faster and better alternative to BIP37.