Independent Threat & Malware Researcher

Joined March 2018
OpcodeIntel retweeted
e-Taxを装ったAndroidマルウェア hxxps://alhotel-pau-etzax.com/ hxxps://fastestwebbrows-etzax.com/ hxxps://kingashotel-etzax.com/ hxxps://marblefallslake-etzax.com/ hxxps://sanpedrodejuj-etzax.com/ virustotal.com/gui/file/0cf1… #Phishing #フィッシング詐欺 #malware
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'国税還付システム - 還付金をいつでも確認 - Google Play のアプリ' poiwalsd[.]com 192[.]238[.]160[.]157 AS138995 Antbox Networks Limited 🇯🇵 gdfhlsf[.]s3[.]us-east-1[.]amazonaws[.]com/e6a89e8ae07e/sched/109823/sch_2aa15934e9471499/tax-refund[.]apk kong06[.]s3[.]us-east-1[.]amazonaws[.]com/48cc7ae97785/sched/109823/sch_e3affab164a6f14e/tax-refund[.]apk #Phishing #フィッシング詐欺 #malware
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babyyyi[.]com
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OpcodeIntel retweeted
Leak IP breachforums bf[.]st 104.218.50[.]158 vps3549277[.]trouble-free[.]net Internetserver Inc shodan.io/host/104.218.50.15… #threatintel #shinyhunters
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shunliuu168[.]com 38[.]181[.]22[.]171:22 AS140227 Hong Kong Communications International Co., Limited 🇭🇰 #Gh0stRAT #Farfli @OpcodeIntel
The government has issued the latest announcement.rar is seen from #Combodia contains The government has issued the latest announcement..exe c9d13712cc16215185e68bc30da05f65 221ef85ff6cbef2b7f1893e03df582e9 @smica83 @skocherhan @malwrhunterteam #ThreatIntel #Malware #Combodia
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OpcodeIntel retweeted
NPM Malware > Exfiltration + index.js silently installs Python and surveillance packages. start_tool.vbs requests admin elevation via runas. Global hotkey registration for on-demand screenshot and UI text extraction. https://www.npmjs[.com/package/bamru/v/1.0.0
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OpcodeIntel retweeted
RedC2 Redshell NPM > https://www.npmjs[.com/package/hydration-cls-ui/v/1.0.0 https://www.npmjs[.com/package/svelte-cls-ui/v/1.0.0
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#SparkRat 🇨🇳
#Cambodian-targeted malware observed in Temporary Notice-2026-08-25.xlsx.rar, dropping Cambodian government meeting invitation list 1!.exe. e2c2adfc771ce65e614ecf909736c987 7f67785191e63f966bb4bc67b1b3644a @skocherhan @malwrhunterteam @smica83 #ThreatIntel #Malware #Cambodia
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OpcodeIntel retweeted
acrobatreaderonline.com is not Adobe Acrobat Reader Online. Open-source review on 23 August 2026 shows a live malware-as-a-service panel behind an Adobe-themed domain. The page title is SecureWorkspace WebPanel; /api/ renders as Kaido Panel. The stack is Vite/React, Tailwind 4.3.3, SignalR and JWT Bearer. There is no PDF viewer and no Document Cloud. The same origin is not a static brochure. Unauthenticated GET requests return HTTP 401 with WWW-Authenticate: Bearer on /hub and /api/loot/. A command-and-control API and SignalR hub are therefore live behind Cloudflare. The landing was last modified on 22 August 2026, 17:17 UTC. Public JavaScript on the homepage (~1 MB) includes panel routes (/api/auth/refresh, builder, file manager, loot), a kaido_token session artifact, and a module catalog covering stealers, banking overlays, PIX and boleto lures. Registrar: Tucows / Hover. Created 17 June 2026, expires 17 June 2027. Nameservers: aarav.ns.cloudflare.com and may.ns.cloudflare.com — the same pair as kaido.sh. Anycast: 104.21.2.104 / 172.67.129.21. No MX, SPF, DMARC or DKIM; the domain does not send mail and appears in campaigns as a URL. Certificate Transparency records a wildcard on kaido.sh from 2 June 2026 and on acrobatreaderonline.com from 17 June 2026 (GTS WE1). The live certificate is GTS WE1, 16 August–14 November 2026, SAN apex plus *. Only www resolves today. api, panel, c2, loot, builder, hub, free and bt are NXDOMAIN. Any new A/AAAA on a subdomain should be treated as C2 rotation. Historical public sandboxes (March–April 2026) documented a WebDAV loader on free.kaido.sh (now NXDOMAIN): UNC on port 80, a .bat dropper, TfsStore\Tfs_DAV cache, and 185.208.158.27 (AS42624). The PDF/boleto theme remains; current C2 is HTTPS on this FQDN. Blocklist: acrobatreaderonline.com · acrobatreaderonline.com · kaido.sh · kaido.sh · *.kaido.sh · x4m1k.com Actions: block the cluster in DNS, proxy and mail; hunt queries to these FQDNs, unexpected WebClient activity, Tfs_DAV, and kaido_token; official Reader is only on adobe.com; report abuse to Tucows, Cloudflare, CERT.br and Adobe brand protection. Do not authenticate to the panel. Do not run artifacts. Passive collection only. TLP:AMBER. #CyberSecurity #InfoSec #Malware #Cybercrime #Phishing #OnlineSafety #DataProtection #TechNews #Security #DigitalSecurity #ThreatIntel #OSINT #SOC #Brazil #PIX #RAT #C2
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OpcodeIntel retweeted
Threat Intelligence Alert | Active Android FUD Service on Telegram During recent analysis of malware distribution infrastructure, we identified the Telegram bot @sxfudbot (sxFUD) operating as a Fully Undetectable (FUD) service for Android APKs. Key characteristics observed on 20 August 2026: • Claim of 0/67 detections on VirusTotal (as of 16/08/2026) • Direct delivery of dropper APK (“Normal FUD”) • “Server FUD” option offering 30-day hosting, unlimited installs, and alleged zero detection (paid plan only) • Credit-based system with paid tiers This is a classic obfuscation and payload distribution service, commonly used to deliver Android bankers, stealers, RATs, and other mobile malware. The low public footprint of the operator (@sxploito / @sxploitobot) and complete lack of legitimate documentation reinforce its underground profile. Recommendations: • Monitor the username and associated APKs/hashes • Implement preventive blocking in corporate and mobile environments • Correlate with Telegram-based phishing and social engineering campaigns Shared for the awareness of the CTI and defensive security community. Detailed technical analysis available upon authorized request. #ThreatIntel #CyberSecurity #Malware #AndroidMalware #CTI #InfoSec #MobileSecurity #VirusTotal #FUD
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OpcodeIntel retweeted
Hosting a comprehensive exploitation and wiper toolkit targeting MIPS-based embedded devices, specifically focusing on Xiaomi router models. Url: http://103.236.64.164[:]9999/
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We identified a new campaign targeting German-speaking businesses via hiring-themed lures. Malicious archives contain fake NDA documents alongside legitimately signed Microsoft binaries: git-credential-manager.exe and bundled ssh executables. The actors abuse git-credential-manager.exe to sideload a malicious fake signed gcmcore.dll, which acts as the initial payload. This payload loads a C2 agent we track as "Snake Agent" (Git.dll). Snake Agent leverages the bundled ssh.exe to establish backdoor access via an outbound SSH connection to the C2 server, rather than implementing its own network protocol. Observed capabilities include basic system information exfiltration, command execution, and SSH tunnel/backdoor establishment. IOCs: Lure Document: c5482d8ed604923573624e220b591427e46a9391215b438a1425ab14b508810d gcmcore.dll: bf4f0558b49917ba40c694e8c7e837183aa476ed6354cdb07caa8d59aaafdcde Git.dll (Snake Agent): d14d4bc85313b7e06535197bed53c5e8dce7da5922791c9ff36183e2bca0fad7 C2: 103.170.154[.]120:443
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The investigation enabled us to map BTMOB RAT operations in Brazil, identifying key elements of its distribution methods, supporting infrastructure, and observed TTPs. blog.quimerax.com/btmob-expo…
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OpcodeIntel retweeted
Possible #APT #Sidewinder targets #Pakistan Gov / Military File Management System with Authentication ntdc[.]gov[.]pk[.]rnicrosort[.]org pakarmy[.]insyaallah2k25[.]workers[.]dev cc: @500mk500 @MichalKoczwara @malwrhunterteam
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Remember PXA Stealer? Turns out the Vietnamese developer got charged back in March and he was a high school student. Self-taught Python and C++ from 10th grade, AV-evading code by 2024. Researchers had tracked him for months via the Telegram handle "Lone None" hardcoded in the malware, 12 people indicted total. The name PXA probably comes from Phan Xuan Anh, the 21-year-old who commissioned the expanded version and ran distribution These kids nowadays, smh... Source: e.vnexpress.net/news/news/ho…
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