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Web3 anti-scam sleuth uncovers phishing attack that drained $4.2m using a malicious opcode

An unknown user lost $4.2 million worth of aEthWETH and aEthUNI tokens on Jan. 22. According to an X crypto researcher under the handle @realscamsniffer, an unidentified person has lost aEthWETH and aEthUNI amounting to $4.2 million after verifying transactions with a falsified ERC-20 permission signature. insane! someone lost $4.20m worth of aEthWETH and aEthUNI to crypto phishing about 40 minutes ago!https://t.co/PqtYbfjrW5 pic.twitter.com/2Nhx4HDQcK — Scam Sniffer | Web3 Anti-Scam (@realScamSniffer) January 22, 2024 The victim signed approvals for several transactions with an ERC-20 authorization that used an opcode contract to bypass security warnings that created new addresses for each signature before the transaction had been executed, which redirected victims’ funds from the victim to the new unauthorized address. Opcode malware in the context of cryptocurrency hacks refers to malicious software that exploits the operation codes used in the scripting languages of v...

Friend.tech targeted by scammers in phishing ad campaign

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A SlowMist investigation has exposed the manipulation of Google search results by phishing ads associated with Friend.tech, the decentralized social media platform. This has prompted increasing scrutiny of Google’s response to review inquiries as concerns about deceptive ads continue to mount. Raising concerns In the Oct. 13 post, SlowMist shares word of caution to users when engaging with sponsored ads on Google, stating that these paid promotions are regrettably exploited by scammers as a means to deceive and exploit unsuspecting users. Please exercise caution when interacting with sponsored ads on Google. It's an unfortunate reality that scammers frequently use these paid promotions as a way to deceive and target unsuspecting users. pic.twitter.com/eXZkOEXY1Y — SlowMist (@SlowMist_Team) October 13, 2023 In a follow up post from MistTrack, a crypto tracking and compliance platform built by SlowMist, it was reported that the pilfered funds were routed and th...

Crypto hacks falling in Q1 is but a 'temporary reprieve' — Blockchain firm

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It was warned that the amount stolen in Q1 2023 mirrors Q2 2022, which was followed by a “record setting number of hacks.” The crypto community is being urged not to let their guard down despite a significant decline in crypto hacks during the first quarter of 2023 — with one firm warning it is most likely a “ temporary reprieve , rather than a long-term trend.” 2022 was the biggest year for crypto hacking in history, with an estimated $3.8 billion stolen, primarily from decentralized finance (DeFi) protocols and North Korea-linked attackers, according to a report from Chainalysis earlier this year. However, this number appears to have drastically reduced in the first quarter of 2023. According to a May 21 report by TRM Labs, the amount stolen through crypto hacks in Q1 2023 “was less than any other quarter in 2022.” Graph showing hacks and exploits from Q1 2022 - Q1 2023. Source: TRM Labs It was also noted that the average hack size dropped nearly 65% compared to the prior year pe...