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使用Autoruns分析恶意软件持久化

使用Sysinternals Autoruns系统性地枚举和分析恶意软件持久化机制。

使用Autoruns分析恶意软件持久化 是什么?

该技能通过Sysinternals Autoruns工具对Windows系统中的恶意软件持久化机制进行系统化的枚举与分析。它扫描18种以上的自动启动扩展点(ASEP),包括Run/RunOnce注册表键、服务、计划任务、驱动程序、Winlogon项、LSA提供程序、打印机监视器、WMI订阅及AppInit DLL等。数字签名验证功能可筛除微软已签名条目;对比功能通过基线差异检测新增加的持久化方式;VirusTotal集成可检查文件哈希信誉;-z标志支持离线取证磁盘镜像分析。该技能适用于安全事件调查、检测规则构建、威胁狩猎及安全监控覆盖验证,需要管理员权限和Python 3.9+环境,并提供了自动化扫描Python脚本用于可疑条目标识。

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文档

使用Autoruns分析恶意软件持久化 是做什么的?

概述

Sysinternals Autoruns从Windows上数百个自动启动扩展点(ASEP)中提取数据,扫描18个以上类别,包括Run/RunOnce键值、服务、计划任务、驱动程序、Winlogon项、LSA提供程序、打印机监视器、WMI订阅和AppInit DLL。数字签名验证可筛除微软已签名的条目。对比功能通过基线差异检测新增加的持久化方式。VirusTotal集成可检查文件哈希信誉。通过-z标志支持离线分析,可用于取证磁盘镜像检查。

使用时机

  • 调查需要使用Autoruns分析恶意软件持久化的安全事件时
  • 为此领域构建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
  • 验证相关攻击技术安全监控覆盖范围时

前提条件

  • Sysinternals Autoruns(GUI版)和Autorunsc(CLI版)
  • 目标系统上的管理员权限
  • Python 3.9+(用于自动化分析)
  • VirusTotal API密钥(用于信誉检查)
  • 清洁基线导出文件(用于比较)

工作流程

步骤1:自动化持久化扫描

#!/usr/bin/env python3
"""自动化基于Autoruns的持久化分析。"""
import subprocess
import csv
import json
import sys


def scan_and_analyze(autorunsc_path="autorunsc64.exe", csv_path="scan.csv"):
    cmd = [autorunsc_path, "-a", "*", "-c", "-h", "-s", "-nobanner", "*"]
    result = subprocess.run(cmd, capture_output=True, text=True, timeout=600)
    with open(csv_path, 'w') as f:
        f.write(result.stdout)
    return parse_and_flag(csv_path)


def parse_and_flag(csv_path):
    suspicious = []
    with open(csv_path, 'r', errors='replace') as f:
        for row in csv.DictReader(f):
            reasons = []
            signer = row.get("Signer", "")
            if not signer or signer == "(Not verified)":
                reasons.append("未签名二进制文件")
            if not row.get("Description") and not row.get("Company"):
                reasons.append("缺少元数据")
            path = row.get("Image Path", "").lower()
            for sp in ["\temp\", "\appdata\local\temp", "\users\public\"]:
                if sp in path:
                    reasons.append(f"可疑路径")
            launch = row.get("Launch String", "").lower()
            for kw in ["powershell", "cmd /c", "wscript", "mshta", "regsvr32"]:
                if kw in launch:
                    reasons.append(f"LOLBin: {kw}")
            if reasons:
                row["reasons"] = reasons
                suspicious.append(row)
    return suspicious


if __name__ == "__main__":
    if len(sys.argv) > 1:
        results = parse_and_flag(sys.argv[1])
        print(f"[!] 发现 {len(results)} 个可疑条目")
        for r in results:
            print(f"  {r.get('Entry','')} - {r.get('Image Path','')}")
            for reason in r.get('reasons', []):
                print(f"    - {reason}")

验证标准

  • 所有ASEP类别均已扫描并编目
  • 未签名条目已标记以供调查
  • 可疑路径和LOLBin启动字符串已高亮显示
  • 基线比较可识别新的持久化机制

参考资料

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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