The Evil MSI Background is Back!, (Fri, Jun 5th)
2026-06-07T13:23:47Z•4111cc2aa53e42fc3c96e8ece4bf2b10c902eabf1f5d989aa01a49c2316564f3
NetSupport-RATRATSOAPapi-exposurejpeg-embedded-payloadmalicious-svgmalwaremsiphishingsans-iscscanningsecurity-awarenesssteganographyswagger.jsonweTransfer
What happened
SANS ISC diaries (early June 2026) report multiple active phishing/malware delivery techniques: a return of payloads hidden in JPEGs using an MSI-branded background (initial delivery via WeTransfer links), a surge of phishing emails delivering malicious SVG files (no visible URLs), and an unidentified RAT campaign that drops NetSupport RAT. The feed also notes continued scanning for swagger.json/API exposures and commentary on SOAP/enterprise web services and a note about CoreUtils for Windows. Organizations should monitor for image-based payloads, SVG attachments, exposed swagger.json files,和
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- sans_isc_diary
- Record identifier
- 4111cc2aa53e42fc3c96e8ece4bf2b10c902eabf1f5d989aa01a49c2316564f3
- Enrichment time
- 2026-06-07T13:23:47Z
- AI-assisted enrichment
- Yes
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