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FOFA Queries Map 8 Malware Families: Analysis & Hunting

Embee Research's FOFA queries fingerprint malware C2 servers by TLS certificate, favicon and title: 9 detection rules, 14 IOCs and a free Splunk SPL rule.

Read the full threat intel for FOFA Queries Map 8 Malware Families: Analysis & Hunting →

Chapters

  1. 0:00The hook57 exposed AsyncRAT servers, all defaults.
  2. 0:05The storyResearchers published FOFA queries.
  3. 0:11Attack pathDefaults in TLS certs, favicons and titles.
  4. 0:25AttributionNo threat actor is attributed.
  5. 0:29Indicators of compromise4 indicators to hunt: 1 IP, 2 domains and 1 SHA-256 hash.
  6. 0:37MITRE ATT&CK techniques9 ATT&CK techniques, from reconnaissance to command and control.
  7. 0:43Remediation3 steps now: Run the published FOFA, Shodan and Censys certificate, favicon.
  8. 0:50Detection rules9 detection rules, in SPL, KQL and Sigma.
Transcript

0:0057 exposed AsyncRAT servers, all defaults.

0:05Researchers published FOFA queries.

0:07Eight malware C2 families, all defaults.

0:12Defaults in TLS certs, favicons and titles.

0:15Internet scanners discover exposed C2 infrastructure.

0:19Defenders use FOFA queries to pivot and hunt.

0:25No threat actor is attributed. Confidence: low.

0:304 indicators to hunt: 1 IP, 2 domains and 1 SHA-256 hash.

0:389 ATT&CK techniques, from reconnaissance to command and control.

0:433 steps now: Run the published FOFA, Shodan and Censys certificate, favicon.

0:519 detection rules, in SPL, KQL and Sigma.

0:56Threadlinqs. The unified security engineering platform.