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恶意软件沙箱逃逸技术分析

检测恶意软件样本中的沙箱和虚拟机逃逸技术

恶意软件沙箱逃逸技术分析 是什么?

该技能专门用于分析恶意软件样本中的沙箱逃逸行为(对应MITRE ATT&CK T1497)。它通过解析Cuckoo Sandbox和AnyRun的行为分析报告,识别时间检测(如GetTickCount、QueryPerformanceCounter、睡眠膨胀)、VM工件检测(注册表键、MAC地址前缀、进程名如vmtoolsd.exe)、用户交互检查(鼠标移动、键盘输入)以及环境指纹识别(磁盘大小、CPU数量、内存)等逃逸指标。检测规则会对表现出这些行为的样本进行标记,以便进一步深入分析。该技能支持Cuckoo Sandbox 2.0+和AnyRun平台,需要Python 3.8+和JSON格式的报告导出。最终输出一个包含检测到的逃逸技术、MITRE ATT&CK映射、API调用证据、逃逸复杂程度评分以及分类信息(时间、VM检测、用户交互、环境指纹)的JSON报告。

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npx skills add https://github.com/mukul975/Anthropic-Cybersecurity-Skills/tree/main/skills/analyzing-malware-sandbox-evasion-techniques

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分析恶意软件沙箱逃逸技术

概述

沙箱逃逸(MITRE ATT&CK T1497)使恶意软件能够检测分析环境并改变行为以逃避检测。本技能分析来自 Cuckoo Sandbox 和 AnyRun 的行为报告,查找逃逸指标,包括:基于时间的检测(GetTickCount、QueryPerformanceCounter、睡眠膨胀)、VM 工件检测(注册表键、MAC 地址前缀、进程名如 vmtoolsd.exe)、用户交互检查(鼠标移动、键盘输入)以及环境指纹识别(磁盘大小、CPU 数量、内存)。检测规则会对表现出这些行为的样本进行标记,以便进一步手动分析。

使用时机

  • 调查涉及恶意软件沙箱逃逸技术分析的安全事件时
  • 构建针对该领域的检测规则或威胁狩猎查询时
  • SOC 分析师需要此类分析的结构化流程时
  • 验证相关攻击技术的安全监控覆盖范围时

前提条件

  • Cuckoo Sandbox 2.0+ 或用于行为分析报告的 AnyRun 账户
  • Python 3.8+ 及用于报告解析的 json 库
  • 以 JSON 格式导出的行为报告

步骤

  1. 解析 Cuckoo/AnyRun 行为报告 JSON 文件
  2. 提取与时间相关函数的 API 调用序列
  3. 通过注册表查询和 WMI 调用识别 VM 工件检测
  4. 通过比较请求的睡眠时长与实际睡眠时长检测睡眠膨胀
  5. 标记用户交互检查(GetCursorPos、GetAsyncKeyState 模式)
  6. 根据技术数量和多样性对逃逸复杂程度进行评分
  7. 将检测到的技术映射到 MITRE ATT&CK T1497 子技术

预期输出

包含以下内容的 JSON 报告:检测到的逃逸技术及其 MITRE ATT&CK 映射、API 调用证据、逃逸复杂程度评分,以及逃逸分类(时间、VM 检测、用户交互、环境指纹)。

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

abusing-dpapi-for-credential-access

Extract and decrypt Windows DPAPI-protected secrets (Credential Manager, browser logins/cookies, Wi-Fi credentials, KeePass keys) online or offline using SharpDPAPI, SharpChrome, Mimikatz, or Impacket

abusing-shadow-credentials-for-privesc

Take over Active Directory accounts by writing attacker-controlled public keys to msDS-KeyCredentialLink (Shadow Credentials) with pyWhisker, Whisker, or Certipy, then authenticate via PKINIT to recover the target

achieving-cmmc-level-2-compliance

>-

acquiring-disk-image-with-dd-and-dcfldd

Create forensically sound bit-for-bit disk images with dd or dcfldd on a Linux forensic workstation, preserving evidence integrity through hash verification (MD5/SHA) during acquisition. Use when imaging a suspect drive, USB device, or memory card for investigation, preserving volatile disk evidence during incident response, or producing a verified copy for legal or law-enforcement proceedings before any destructive analysis.

analyzing-active-directory-acl-abuse

Detect dangerous ACL misconfigurations in Active Directory using ldap3

analyzing-android-malware-with-apktool

Perform static analysis of Android APK malware using apktool for resource decompilation, jadx for Java source recovery, and androguard for manifest inspection, dangerous permission-combination detection, and identification of obfuscated code, dynamic code loading, and reflection-based API calls. Use to statically triage a suspicious APK without executing it or to build mobile malware detection rules.

analyzing-api-gateway-access-logs

Parses API Gateway access logs (AWS API Gateway, Kong, Nginx) to detect

analyzing-apt-group-with-mitre-navigator

Query ATT&CK data with attackcti, mitreattack-python, and stix2, then build MITRE ATT&CK Navigator layers and multi-layer heatmap overlays mapping one or more APT groups

analyzing-azure-activity-logs-for-threats

Queries Azure Monitor activity logs and sign-in logs via azure-monitor-query

analyzing-bootkit-and-rootkit-samples

Analyzes bootkit and advanced rootkit malware infecting the Master

analyzing-browser-forensics-with-hindsight

Parse Chromium-based browser databases with Hindsight to extract and correlate browsing history, downloads, cookies, cached content, autofill data, saved passwords, and extensions from Chrome, Edge, Brave, Opera, and Vivaldi into a unified timeline (XLSX, JSON, or SQLite output). Use during incident response, insider-threat investigations, or criminal cases when you need to reconstruct a user

analyzing-campaign-attribution-evidence

Systematically evaluate cyber-campaign evidence to attribute an operation to a threat actor, using the Diamond Model and Analysis of Competing Hypotheses (ACH) to weigh infrastructure overlaps, TTP consistency, malware code similarity, and timing/language artifacts into confidence-weighted attribution assessments. Use when an incident investigation needs a defensible attribution confidence level.

analyzing-certificate-transparency-for-phishing

Monitor Certificate Transparency logs using crt.sh and Certstream to

analyzing-cloud-storage-access-patterns

Detect abnormal access in AWS S3, GCS, and Azure Blob Storage by analyzing CloudTrail Data Events, GCS audit logs, and Azure Storage Analytics for after-hours bulk downloads, new-IP access, and API-call spikes (e.g. GetObject) via statistical baselines and time-series anomaly detection. Use when investigating suspected cloud data exfiltration or building related detection rules.

analyzing-cobalt-strike-beacon-configuration

Extract and analyze Cobalt Strike beacon configuration from PE files

analyzing-cobaltstrike-malleable-c2-profiles

Parse and analyze Cobalt Strike Malleable C2 profiles with dissect.cobaltstrike (profiles and beacon-payload configs) and pyMalleableC2 (AST parsing) to extract HTTP/DNS transforms, URIs, headers, sleep/jitter, and injection behavior, then generate network detection signatures. Use when reverse-engineering a captured malleable profile or building detections against Cobalt Strike Beacon traffic.

analyzing-command-and-control-communication

Analyzes malware C2 communication over HTTP, HTTPS, DNS, and custom

analyzing-cyber-kill-chain

Analyzes intrusion activity against the Lockheed Martin Cyber Kill Chain

analyzing-disk-image-with-autopsy

Perform comprehensive forensic analysis of raw (dd), E01, or AFF disk images with Autopsy and The Sleuth Kit, recovering deleted files, examining metadata and embedded artifacts, keyword searching, and building investigation timelines with visual reports. Use for structured analysis of a forensic disk image or when stakeholders need visual reports from evidence.

analyzing-dns-logs-for-exfiltration

Analyzes DNS query logs to detect data exfiltration via DNS tunneling,

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