IceApple

MITRE ATT&CK: S1022 View on attack.mitre.org

Aliases: IceApple

First seen
2021-01-01 00:00:00
Malware type
webshell, exploit-kit
Family
Malware family
Operating systems
windows
Profile updated
2026-07-07 15:29:50

Targeted industries: technology-and-telecommunications education-and-nonprofits government-and-public-sector

Context

IceApple is a modular Internet Information Services (IIS) post-exploitation framework, that has been used since at least 2021 against the technology, academic, and government sectors.

Detection coverage

  • 241 Sigma rules

Malware & tools used

  • System Network Configuration Discovery (attack-pattern)
  • Command Obfuscation (attack-pattern)
  • LSA Secrets (attack-pattern)
  • Match Legitimate Resource Name or Location (attack-pattern)
  • File Deletion (attack-pattern)
  • Credentials in Registry (attack-pattern)
  • Exfiltration Over C2 Channel (attack-pattern)
  • IIS Components (attack-pattern)
  • Data from Local System (attack-pattern)
  • Deobfuscate/Decode Files or Information (attack-pattern)
  • Archive via Utility (attack-pattern)
  • Reflective Code Loading (attack-pattern)
  • Web Portal Capture (attack-pattern)
  • Web Protocols (attack-pattern)
  • System Information Discovery (attack-pattern)
  • File and Directory Discovery (attack-pattern)
  • Domain Account (attack-pattern)
  • Symmetric Cryptography (attack-pattern)
  • Security Account Manager (attack-pattern)

Reports & references

  • MITRE ATT&CK — S1022 (report)
  • CrowdStrike — Crowdstrike Iceapple A Novel Internet Information Services Post Exploitation Framework (report)

External references