Lucas Silva
6 articles
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BlogReact2Shell「CVE-2025-55182」の分析、PoCを巡る混乱と悪用の広がり
脆弱性「CVE-2025-55182」は、React Server Components に影響する、CVSS 10.0の事前認証型リモートコード実行の脆弱性です。多数に及ぶ偽の概念実証（PoC：Proof-of-Concept）、スキャナー、攻撃コード、誤解があふれる状況の中で、本稿ではこれらの実態について解説します。
December 10th, 2025 21 minPeter Girnus, Deep Patel, Jack Walsh, Lucas Silva…
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BlogSocGholish’s Intrusion Techniques Facilitate Distribution of RansomHub Ransomware
Trend Research analyzed SocGholish’s MaaS framework and its role in deploying RansomHub ransomware through compromised websites, using highly obfuscated JavaScript loaders to evade detection and execute various malicious tasks.
March 14th, 2025 16 minAdam O'Connor, Ian Kenefick, Jack Walsh, Lucas Silva…
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BlogBlack Basta and Cactus Ransomware Groups Add BackConnect Malware to Their Arsenal
In this blog entry, we discuss how the Black Basta and Cactus ransomware groups utilized the BackConnect malware to maintain persistent control and exfiltrate sensitive data from compromised machines.
March 3rd, 2025 12 minCatherine Loveria, Stephen Carbery, Jovit Samaniego, Adam O'Connor…
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BlogMalvertising Used as Entry Vector for BlackCat, Actors Also Leverage SpyBoy Terminator
We found that malicious actors used malvertising to distribute malware via cloned webpages of legitimate organizations. The distribution involved a webpage of the well-known application WinSCP, an open-source Windows application for file transfer. We were able to identify that this activity led to a BlackCat (aka ALPHV) infection, and actors also used SpyBoy, a terminator that tampers with protection provided by agents.
June 30th, 2023 9 minLucas Silva, RonJay Caragay, Arianne Dela Cruz, Gabriel Cardoso
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BlogBlack Basta Ransomware Gang Infiltrates Networks via QAKBOT, Brute Ratel, and Cobalt Strike
We analyzed a QAKBOT-related case leading to a Brute Ratel C4 and Cobalt Strike payload that can be attributed to the threat actors behind the Black Basta ransomware.
October 12th, 2022 8 minIan Kenefick, Lucas Silva, Nicole Hernandez
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BlogPlay Ransomware's Attack Playbook Similar to that of Hive, Nokoyawa
Play is a new ransomware that takes a page out of Hive and Nokoyawa's playbook. The many similarities among them indicate that Play, like Nokoyawa, are operated by the same people.
September 6th, 2022 8 minDon Ovid Ladores, Lucas Silva, Scott Burden, Janus Agcaoili…
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