Loading threat actor…
A41APT is an espionage-focused threat actor referenced in JPCERT/CC JSAC2022 content as part of campaign updates affecting Japan. The cited presentation associated A41APT with SigLoader, SoadMaster, Exploit Jackpot Webshell, exploitation of Microsoft Exchange via ProxyShell, Exploit HUI Loader, and DLL side-loading. The content places A41APT alongside other APT activity discussed in the context of attacks affecting Japan. No additional attribution, victimology, or aliases beyond "a41apt" are directly provided in the source content.
Mallory correlates actor tradecraft and target patterns against your stack, your sector, and your geography. See overlap before they land.
3 malware families attributed to this actor across reporting.
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.