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Whitefly is a threat actor assessed to be state-sponsored and associated with the 2018 SingHealth breach in Singapore. Its known targeting includes Singapore's healthcare sector. The group uses publicly available tools alongside encrypted payloads in its operations. It has used Mimikatz to dump credentials from compromised systems and an open-source exploit for CVE-2016-0051 to escalate privileges on unpatched Windows computers. Whitefly also encrypts payloads used for command and control, supporting defense evasion and hindering analysis. Its country of origin and sponsoring state have not been established.
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.
24 distinct techniques observed across reporting, grouped by tactic. Hover any cell for the evidence excerpt; click through for MITRE's full description.
3 malware families attributed to this actor across reporting.
4 CVEs this actor has used in observed campaigns. 4 of them exploited in the wild.
Whitefly has used an open-source tool to exploit a known Windows privilege escalation vulnerability (CVE-2016-0051) on unpatched computers.
This detection identifies instances where Windows Explorer.exe spawns PowerShell or cmd.exe processes, particularly focusing on executions initiated by LNK files. This behavior is associated with the ZDI-CAN-25373 Windows shortcut zero-day vulnerability, where specially crafted LNK files are used to trigger malicious code execution through cmd.exe or powershell.exe. This technique has been actively exploited by multiple APT groups in targeted attacks through both HTTP and SMB delivery methods.
The following analytic detects when su runs from a page-cache-corrupted binary... This activity is significant because it indicates a possible privilege escalation attempt, allowing a user to gain root access... CVE CVE-2026-31431 ... References ... copy-fail-CVE-2026-31431
This analytic detects Windchill MethodServer log4j events that contain the CVE-2026-4681 exploitation probe run?c=echo%20GW_READY_OK . PTC identifies GW_READY_OK and related run?c= activity as log indicators associated with Windchill and FlexPLM exploitation.
20 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Listed in the detection's technique annotations; the content does not attribute ShieldCrash exploitation to this group.
Annotation-only mention; no actor-specific operation or behavior is described.
Listed in the detection annotation metadata.
Whitefly is listed in the detection's annotations for MITRE ATT&CK technique T1059 (Command and Scripting Interpreter).
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.