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Tag: ev-certificate
Reading a RAT’s Orders: SnappyClient 0.1.31 Behind a Signed Light Alloy Lure
A signed file posing as the Light Alloy media player delivers SnappyClient 0.1.31. A recorded session with its live server decrypted cleanly, showing automatic orders to steal crypto…
The captcha that can’t be passed: a signed “Installer.exe” that plants a remote-control updater
A signed Installer.exe shows a slide-to-verify captcha that always fails, while silently installing an updater that downloads and runs whatever a Cloudflare R2 manifest lists. The manifest was…
A signed “RMM agent” that hides the lure you just clicked: inside BlackCrypt
Two EV-signed files, a downloader and a "BlackCrypt RMM Agent", look like obscure IT software. Run with a real enrollment code, the operator's server immediately sent scripts to…
A signed PDF viewer that quietly takes orders: the QuartzLine “zenith” backdoor
An EV-signed Rust PDF viewer, QuartzLine, hides a backdoor module called zenith that can run commands and tamper with browser profiles. We decrypted its C2 traffic; public sandboxes…
The “Windows Update” That Writes Down Your Password
A signed fake Windows Update prompt that saves every password typed into it, wrong ones included, and shares an EV certificate with a hidden Xray tunnel DLL.
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