Reddit user u/normal_rc: 'The attacker set up a lot of malicious servers. Once a user's Electrum wallet is connected to these servers, they see what appears to be an official message when sending bitcoin transactions, telling them to upgrade the Electrum wallet, which actually contains a fraudulent URL.
Bitcoin wallet service Company Electrum has been hacked, resulting in the loss of user funds. In response to the attack, Beosin Chengdu Chain Security made an analysis: This wallet Electrum was attacked, mainly because the use of the kivy framework is using a standard py compiler and wallet does not do anti-secondary packaging protection, the core file can be directly recompiled back to the py file. Attackers can imitate the code, directly join the code to steal the user's password, key after the secondary packaging, and then cooperate with other attacks, tempt users to install the wallet implanted with malicious code, thereby stealing the user's password, key and other sensitive information.
The latest version of UBTC Electrum Light Wallet v3.2.8 is available for download.
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If someone's Electrum wallet connects to one of these servers and tries to send a BTC transaction, they see an official message telling them to update their Electrum wallet, as well as a scam URL.
In August-September, Bitcoin wallet Electrum was hacked twice, and according to multiple sources, at least 1,450 BTCs worth $11.6 million were stolen from phishing attacks that faked Electrum upgrade tips.
The veteran Bitcoin desktop wallet client Electrum has released the official version of 4.0, adding support for several important updates, such as the Lightning network, and has released an updated version 4.0.1. Electrum adds features such as PSBT (partially signed Bitcoin transactions), Lightning Network, watchtowers (暸 watchtowers) and Submarineswaps (subliminal switching) for version 4.0.
To avoid copying errors, you can install the Bitcoin Core client on a computer that remains offline, or electrum Light Wallet, import the private key above to check that the resulting Bitcoin address is consistent.
Chain News, lightweight Bitcoin Wallet Electrum announced that the next version will support Lightning network payment, implemented using Python, Electrum as a Lightning network node, wallet users do not need to run lightning network nodes to make payments, electrum lightning network nodes have been merged into the Electrum master branch.
Star Daily News Bitcoin Wallet Electrum official Twitter announced that the next version of Electrum will support Lightning online payments. Its lightning node implementation has been consolidated into the main branch of Electrum. Electrum also confirmed that the wallet will adopt a new implementation of in-house development written using Python. (Cointelegraph)