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Tag: 4shared

Bumblebee マルウェアが再登場:WebDAV サービスを悪用する新たなキャペーンを展開

Bumblebee malware returns in new attacks abusing WebDAV folders

2023/09/18 BleepingComputer — 2ヶ月ぶりに再登場した Bumblebee マルウェア・ローダーだが、4shared WebDAV サービスを悪用するという、新たな配布テクニックを用いている。WebDAV (Web Distributed Authoring and Versioning) とは、HTTP プロトコルの拡張機能であり、クライアントからリモート・オーサリング操作を実行し、Web サーバのコンテンツの作成/更新/削除などを可能にするものだ。Intel471 の研究者たちによると、2023年9月7日に開始された Bumblebee の最新キャンペーンは、4shared WebDAV サービスを悪用してローダーを配布し、攻撃チェーンを取り込むことで、いくつかの感染後アクションを実行していくという。

Continue reading “Bumblebee マルウェアが再登場:WebDAV サービスを悪用する新たなキャペーンを展開”
Unknown's avatarAuthor AiototsecPosted on September 18, 2023September 27, 2023Categories CyberAttack, DataBreach, Malware, RAT, Research, Scammer, TTPTags 4shared, Bumblebee, C2 Server, Command and Comtrol, Cyber Attack, Data Breach, DGA, Domain Generation Algorithm, Intel471, LOLbin, Phishing, Spam Email, WebDAV

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