Threats Tagged 'more_eggs - s0284'

Skeleton Spider, also known as FIN6, is a financially motivated cybercrime group that has evolved from POS breaches to broader enterprise threats. They employ social engineering tactics, posing as job seekers on platforms like LinkedIn to deliver phishing messages. Their preferred payload is more_eggs, a JavaScript-based backdoor. The group uses trusted cloud services like AWS to host malicious infrastructure, evading detection. Their phishing emails impersonate job applicants, with domains mimicking real names. FIN6 employs sophisticated filtering techniques to ensure malware delivery only to intended targets. The more_eggs malware, developed by Venom Spider, allows for command execution and credential theft. Defense strategies include cautious handling of resume links, blocking execution of suspicious files, and implementing EDR policies.

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Arctic Wolf Labs discovered a new campaign by Venom Spider targeting corporate HR departments with fake resumes containing the More_eggs backdoor. The financially motivated threat group uses spear-phishing emails and abuses legitimate job platforms to apply for real jobs. The backdoor can steal credentials, customer data, and intellectual property. Several upgrades were found, including server-side polymorphism and evasion techniques. The attack chain involves obfuscated JavaScript, LNK files, and a dropper that generates polymorphic code. Organizations are advised to train employees on phishing awareness, especially those in HR who regularly open attachments from unknown senders.

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