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IceApple is a threat actor or intrusion set associated with post-compromise activity on Microsoft Exchange servers. It is known for using reflective code loading to execute .NET assemblies directly within the MSExchangeOWAAppPool process on targeted Exchange systems, a technique that reduces on-disk artifacts and supports stealthy in-memory execution. The available reporting directly supports its use of reflective loading against Exchange environments, indicating a focus on defense evasion and post-exploitation tradecraft within compromised enterprise messaging infrastructure. No high-confidence information is available here on broader targeting patterns, country attribution, aliases beyond IceApple, or extortion activity.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
Who, where, and (when attributed) which flag flies behind the operation. Pulled from open-source reporting and Mallory's analyst review.
Sectors the actor has been observed targeting.
1 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Match sector + geo + tech-stack targeting against your real footprint.
Every observed MITRE ATT&CK technique, grouped by tactic.
Families this actor is known to deploy, with IOCs and behavior.
CVEs this actor has used in known campaigns.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Domains, IPs, and hashes tied to this actor, refreshed continuously.