IIM Feeds for adversary infrastructure chains.

IIM chain for GoDaddy Security research published on 2026-05-28. The report describes WordPress malware found across roughly 1,980 infected sites since July 2025. The malware uses compromised WordPress plugin/theme PHP files to fetch Steam Community profile comments, extract the commentthread_comment_text content, decode an invisible-Unicode payload with optional AES-256-CTR/PBKDF2/HMAC protection, and inject the decoded URL as frontend JavaScript through wp_enqueue_script using the handle asahi-jquery-min-bundle. The observed decoded payload URL is hxxps://hello-mywordl[.]info/js/lodash[.]core[.]min[.]js. In parallel, the same PHP malware exposes a cookie-authenticated server-side backdoor that responds to DEpjndDbNc ping cookies and accepts base64-encoded PHP replacement code through tEcaKKXEsb plus POST parameter new_code, allowing remote modification of plugin and theme files. The initial WordPress compromise vector is not confirmed by GoDaddy, so this chain starts at the confirmed infected PHP/plugin/theme layer and records initial access as a limitation rather than inventing a vulnerable plugin, stolen credential, or supply-chain path.

IIM chain for LevelBlue SpiderLabs research published on 2026-05-28. The report describes a Sapphire Sleet / BlueNoroff / UNC1069 macOS campaign targeting financial, Web3, venture-capital and cryptocurrency environments. Initial access uses social engineering around a fake video meeting and a fake Zoom SDK update component. The user executes Zoom SDK Update.scpt, which opens in macOS Script Editor and drives an osascript/curl/shell chain using task-specific User-Agents mac-cur1 through mac-cur5. Follow-on components include com.apple.cli profiling tooling, a native-looking systemupdate.app Mac Password Popup credential harvester, TCC.db abuse through Finder, a LaunchDaemon plist for persistence, an icloudz backdoor component, and the in-memory com.google.chromes.updaters beacon agent. Exfiltration is staged into /tmp zip archives and uploaded over remote upload/exfil ports. LevelBlue publishes C2 domains, C2 IPs, operational ports, hashes, and strategic forensic paths; exact lure accounts, meeting URLs, and per-domain DNS mappings are not published and are therefore not invented in this chain.

IIM chain for K7 Labs research published on 2026-05-28. The campaign masquerades as a signed RVTools installer for VMware administrators. The MSI contains an embedded VBScript custom action named Binary.MyScript.vbs, which decodes and launches hidden PowerShell. PowerShell downloads a roughly 33 MB archive from Dropbox, creates winp.zip in %AppData%, extracts a portable WinPython support layer, and launches collector.py and Pmanager.py with staged timing. collector.py fingerprints the host and Active Directory context into configA.json. Pmanager.py reads that local staging file, establishes persistence, encrypts and compresses outgoing data, and beacons every 300 seconds to a five-IP hardcoded C2 pool with automatic failover. The exact Dropbox URL was not published by K7, so the Dropbox node is modeled as a confirmed trusted-site staging class rather than an invented concrete URL.

IIM chain for Seqrite Operation Dragon Weave, published 2026-05-29. The campaign targets Czech Republic and Taiwan using a spearphishing ZIP with two delivery paths. Path A uses a PDF-masquerading LNK to launch empty.vbs and Profile.ps1, which decrypts 1.dat into RuntimeBroker_update.exe and prepares UnityPlayer.dll plus Com.dat. Path B uses a Rust executable dropper to extract the same sideloading components. Both paths converge on RuntimeBroker_update.exe loading malicious UnityPlayer.dll (RUSTCLOAK), which decrypts Com.dat and executes AZUREVEIL, an Adaptix C2 agent. AZUREVEIL uses Microsoft Azure Blob Storage as dead-drop style C2 through note1ggbbhggdwa1.blob.core.windows.net and the /note/ats/ blob path pattern.

IIM chain for Seqrite Operation XENOFISCAL, published 2026-05-29. The campaign targets Afghanistan Ministry of Finance provincial officials with a spearphishing ZIP containing a Pashto malicious LNK. The LNK launches mshta.exe and retrieves obfuscated HTA/JavaScript from compromised Afghan education domain abimj.edu.af/index.php. The script reconstructs an in-memory .NET loader, downloads an Afghan Ministry of Finance decoy PDF, persists zuidrt.hta, retrieves additional payload blobs from /institute/10/ or /institute/7/, reconstructs shellcode, loads XenoRAT, and connects to hardcoded C2 IP 185.235.137.106 hosted on AS59711/HZ Hosting infrastructure.

IIM chain for Malwarebytes Labs research published on 2026-05-28. The campaign impersonates OpenAI's ChatGPT download page at openew.app and serves platform-specific malware: Windows users receive Chat_GPT.exe, an Inno Setup/Electron-based loader that launches EApp.exe and communicates with 188.137.246.189 via a laravel.php endpoint; macOS users receive ChatGpt.dmg containing Odyssey Stealer, an AMOS fork that steals browser data, Telegram sessions, cryptocurrency-wallet data, and attempts wallet-app replacement. Malwarebytes publishes one landing domain, two sample hashes, and three network indicators. Where the article does not map 192.253.248.181 or 172.94.9.250 to a specific macOS server role, relations are explicitly marked tentative rather than inferred as confirmed.

IIM chain for Kaspersky Securelist research published on 2026-05-28. The campaign distributes a miner/RAT stack via illegal streaming and digital-library sites using a fake video-player plugin update. The public chain models the confirmed delivery path: pirated-content lure, ZIP download from urush1bar4.online, HLS Installer.874.exe plus malicious DLL side-loading, decrypted main module based on a modified SilentCryptoMiner fork, injected RAT/watchdog/miner components, date-derived RAT C2 domains, weekly miner configuration retrieval domains resolving to 107.172.212.235, and UnamWebPanel control-panel addresses. Host execution details such as ROP, reflective loading, Defender exclusions, UAC prompting, and process injection are retained as evidence/context but are not over-modeled as IIM infrastructure techniques.

Ukraine-focused chain reconstructed from submitted artifacts and static analysis. The archive container itself was not submitted, so archive-level hash and original email metadata remain unavailable. The member names and dropped artifacts are consistent with CVE-2025-8088/WinRAR path traversal and ADS-style archive extraction semantics: a visible Ukrainian court-summons PDF is shown while hidden/traversal members place a Startup LNK and ProgramData payload components. The LNK starts hidden PowerShell through cmd.exe and executes C:\\ProgramData\\cv4. cv4 reads C:\\ProgramData\\Zhg, decodes it by subtracting 0x2b from each byte, maps the decoded flat x64 image in memory, starts it at offset 0x197a0, and uses an HTTPS status endpoint. The decoded Zhg stage contains libcurl/SChannel behavior and an RC4-like encrypted Stage-2 C2 URL.

IIM chain for JUMPSEC DART research published on 2026-05-27. The campaign starts with a Thai-language, image-based financial payment-slip phishing email containing a MediaFire link, delivers a masqueraded .pdf.scr WinRAR SFX executable, launches a VBS loader, runs a renamed AutoIt3 interpreter with an obfuscated AutoIt script and INI-like configuration, decodes a substitution-hex encoded Remcos payload, and connects to three Dynamic-DNS C2 domains on port 50240. The report highlights a network-blackout execution window using ipconfig /release before AutoIt execution and ipconfig /renew afterwards; this behavior is kept as evidence/context because it is host execution logic rather than a separate network infrastructure node. The actual MediaFire URL and original recipient details were not published and are therefore not invented.

IIM chain for the Wiz Research report published on 2026-05-27 describing JINX-0164 developer targeting against cryptocurrency organizations. The chain models LinkedIn / fake meeting social engineering, a fake technical error / driver-fix page, bash dropper delivery from driver-themed infrastructure, architecture-aware AUDIOFIX payload delivery, macOS LaunchAgent persistence, HTTPS C2 with fallback domains, and related resolved infrastructure. It intentionally does not invent the exact LinkedIn profile, victim-specific meeting URL, or unpublished per-victim lure domain beyond the indicators Wiz listed.