~/talk

πŸ“— Threat Chords: Tuning into Persistent Patterns in Adversary Behavior πŸ”₯

Talkat BSidesSF 2026 Β· on Saturday, 2026-03-21Β· at 15:05Β· AMC Theatre 13, AMC at MetreonΒ· [security]
name:Karthika
links:none on file
links:none on file
slides:none on file

Claim: attackers reuse operational playbooks so defenders should detect sequences not single IOCs. Evidence: Scattered Spider/Shiny Hunters repeatedly use identity compromise chordβ€”social‑engineering help‑desk calls, MFA transfer, Octa enrollment and SSO abuseβ€”often augmented with AI voice cloning and residential proxies. Amos info‑stealer targets macOS via sponsored support pages that run staged downloaders whose payloads shift domains and hashes but reuse endpoints and hex+gzip obfuscation and Google WE1 TLS issuer preferences. Indicators burn; behavioral and infra patterns persist.

AI-written summary Β· about

  1. 0:00Introduction
  2. 1:01Threat intelligence basics
  3. 5:12Problem with IOCs today
  4. 10:26Chasing the chords
  5. 10:47Case study Scattered Spider
  6. 20:16Case study Amos info stealer
  7. 30:08Making threat intel part of practice
  8. 36:52Q&A
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