Gremlin Stealer's Evolved Tactics: Hiding in Plain Sight With Resource Files
2026-05-15T20:51:38Z•4df011467eb21d0bba4339fa091140e270fa2f608cc9b0d22b156caebe2aeb49
AD CSLPERCEactive-directoryai-extension','data-exfiltration','air-snitch','wifi-attacks','tbrowser-extensioncaptive-portalcertificate-servicescopy-failcrypto-clippingdetectiongremlinlinux-kernelmalwarenpmobfuscationpalo-altopan-osprivilege-escalationsession-hijackingstealersupply-chainthreat-researchunit42zero-day
What happened
Palo Alto Unit 42 research roundup detailing multiple active, high-impact threats and analyses. Highlights include Gremlin stealer evolution (advanced obfuscation, crypto clipping, session hijacking), AD CS exploitation techniques and detection guidance, an exploited PAN-OS captive-portal zero-day (CVE-2026-0300) enabling unauthenticated RCE, and Copy Fail (CVE-2026-31431) — a critical Linux kernel local privilege escalation affecting millions. Additional coverage: npm supply-chain risks, high-risk AI browser extensions exfiltrating data, AirSnitch Wi‑Fi bypasses, attempted exploitation of TP‑
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- paloalto_unit42
- Record identifier
- 4df011467eb21d0bba4339fa091140e270fa2f608cc9b0d22b156caebe2aeb49
- Enrichment time
- 2026-05-15T20:51:38Z
- AI-assisted enrichment
- Yes
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