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TiltedTemple is a China-linked intrusion cluster, also tracked by Microsoft as DEV-0322, associated with exploitation of internet-facing enterprise software and follow-on deployment of custom backdoors for persistent access. The cluster has been tied to campaigns exploiting Zoho ManageEngine products, including CVE-2021-40539 and CVE-2021-44077, and has been observed using the custom SockDetour backdoor as a stealthy secondary implant on compromised Windows servers. SockDetour is designed to operate filelessly and socketlessly by hijacking legitimate network connections through the Microsoft Detours library, enabling encrypted command and control while reducing host- and network-level visibility. Activity attributed to TiltedTemple has targeted U.S.-based defense contractors, with evidence of compromise at at least one organization, and broader campaigns exploiting Zoho vulnerabilities affected critical infrastructure organizations worldwide in 2021. Reporting has also noted overlaps in tactics, tooling, and sector targeting with APT27, leading to an assessed but not definitive association. Observed behavior supports capabilities including exploitation for initial access, long-term persistence, defense evasion, and post-compromise malware deployment.
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.
Geographies tied to known operations.
Attributed origin per open-source reporting.
7 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
1 malware family attributed to this actor across reporting.
3 CVEs this actor has used in observed campaigns. 3 of them exploited in the wild.
The FTP server that hosted SockDetour was a compromised QNAP SOHO NAS server. The NAS server is known to have multiple vulnerabilities, including a remote code execution vulnerability, CVE-2021-28799.
previously linked to attacks exploiting several vulnerabilities in Zoho products, including ManageEngine ADSelfService Plus (CVE-2021-40539)
including ManageEngine ADSelfService Plus (CVE-2021-40539) and ServiceDesk Plus (CVE-2021-44077)
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
China-linked intrusion cluster associated with stealthy intrusions against U.S.-based defense contractors, using SockDetour as a secondary/back-up backdoor and previously exploiting Zoho ManageEngine zero-day flaws to launch malware attacks.
An activity cluster using the SockDetour backdoor in cyber espionage campaigns targeting U.S.-based defense contractors and other critical infrastructure organizations, including exploitation of Zoho/ManageEngine vulnerabilities.
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.