Mallory pivots from this family to the IOCs, detections, and named campaigns that touch your stack, and pages you when something new lands.
2 distinct threat actors attributed by public researchers. Open in Mallory to see the full evidence chain and overlapping campaigns.
The custom .NET backdoor deployed is named “Microsoft.Exchange.Clients.Event.dll” and can be installed on either Microsoft Exchange or Internet Information Services (IIS) servers.
The custom .NET backdoor deployed is named “Microsoft.Exchange.Clients.Event.dll” and can be installed on either Microsoft Exchange or Internet Information Services (IIS) servers.
6 distinct techniques documented for this family, organized by ATT&CK tactic.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A custom OWA backdoor that intercepts OWA authentication requests to steal usernames and passwords, logs metadata such as IP and user agent, stores encoded credential data, and supports attacker commands for upload, download, deletion, command execution, and exfiltration.
Custom .NET OWA backdoor installed on Exchange/IIS to intercept OWA login requests and steal credentials; also provides web-shell-like capabilities (command execution, upload/download, delete) and stores XOR+base64 encoded logs in %temp% (~ex.dat).
Match every observed IP, domain, and hash against your live telemetry.
Named campaigns wielding this family, with evidence pinned to each claim.
CVEs this family uses for access and lateral movement.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Every documented technique, ranked by evidence weight.
Reddit, Mastodon, and CTI community discussion around this family.