[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M6ETJS79ZM8HRT6C5AAWA5MF":3,"skill-same:01M6ETJS79ZM8HRT6C5AAWA5MF":104},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":16,"categories":17,"keywords":18,"publishedAt":39,"linkOnly":40,"markdownContent":41,"markdownBody":42,"frontMatter":43,"refName":47,"commitSha":48,"skillDirectory":49,"forksCount":50,"repositoryHtmlUrl":51,"repositoryHomepageUrl":6,"ownerHtmlUrl":52,"ownerBlogUrl":6,"ownerDescription":53,"updatedAt":54,"install":55,"resources":68},"01M6ETJS79ZM8HRT6C5AAWA5MF","detecting-dll-sideloading-attacks",null,"Detect DLL side-loading attacks where adversaries place malicious DLLs alongside legitimate applications to hijack execution flow for defense evasion.","luokai0\u002Fai-agent-skills-by-luo-kai","luokai0","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F266954973?v=4","01M6E16VNT42JB8B3X3254QWJ7","luo kai","01M6E16VTFVP6S5XJF1V1MPV90",14,"Apache-2.0","https:\u002F\u002Fgithub.com\u002Fluokai0\u002Fai-agent-skills-by-luo-kai\u002Fblob\u002Fmain\u002Fai-agent-skills\u002F21-external-registries\u002F08-pinkpixel-collection\u002Fdetecting-dll-sideloading-attacks\u002FSKILL.md",[],[19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38],"detecting","detecting dll sideloading attacks","dll-sideloading","loading","detect","threat","evasion","applications","execution","t1574","malicious","defense-evasion","defense","edr","detection","proactive-detection","flow","threat-hunting","mitre-attack","cybersecurity","2026-11-10 10:12:30",false,"---\nname: detecting-dll-sideloading-attacks\ndescription: Detect DLL side-loading attacks where adversaries place malicious DLLs alongside legitimate applications to hijack execution flow for defense evasion.\ndomain: cybersecurity\nsubdomain: threat-hunting\ntags: [threat-hunting, mitre-attack, dll-sideloading, defense-evasion, t1574, edr, proactive-detection]\nversion: \"1.0\"\nauthor: mahipal\nlicense: Apache-2.0\n---\n\n# Detecting DLL Sideloading Attacks\n\n## When to Use\n\n- When investigating potential DLL hijacking in enterprise environments\n- After EDR alerts on unsigned DLLs loaded by signed applications\n- When hunting for APT persistence using legitimate application wrappers\n- During incident response to identify trojanized applications\n- When threat intel indicates DLL sideloading campaigns targeting specific software\n\n## Prerequisites\n\n- EDR with DLL load monitoring (CrowdStrike, MDE, SentinelOne)\n- Sysmon Event ID 7 (Image Loaded) with hash verification\n- Application whitelisting or DLL integrity monitoring\n- Software inventory of legitimate applications and expected DLL paths\n- Code signing verification capabilities\n\n## Workflow\n\n1. **Identify Sideloading Targets**: Research known vulnerable applications that load DLLs without full path qualification (LOLBAS, DLL-sideload databases).\n2. **Monitor DLL Load Events**: Query Sysmon Event ID 7 for DLL loads where the DLL path differs from the application's expected directory.\n3. **Check DLL Signatures**: Flag unsigned or untrusted DLLs loaded by signed executables.\n4. **Detect Path Anomalies**: Identify legitimate executables running from unusual locations (Temp, AppData, Public) that may be decoy wrappers.\n5. **Hash Verification**: Compare loaded DLL hashes against known-good versions and threat intel feeds.\n6. **Correlate with Process Behavior**: Check if the host process exhibits unusual behavior (network connections, child processes) after loading the suspicious DLL.\n7. **Document and Remediate**: Report sideloading instances, quarantine malicious DLLs, and update detection rules.\n\n## Key Concepts\n\n| Concept | Description |\n|---------|-------------|\n| T1574.002 | DLL Side-Loading |\n| T1574.001 | DLL Search Order Hijacking |\n| T1574.006 | Dynamic Linker Hijacking |\n| T1574.008 | Path Interception by Search Order Hijacking |\n| DLL Search Order | Windows DLL loading priority path |\n| Side-Loading | Placing malicious DLL where legitimate app loads it |\n| Phantom DLL | DLL that legitimate apps try to load but does not exist |\n| DLL Proxying | Malicious DLL forwarding calls to legitimate DLL |\n\n## Tools & Systems\n\n| Tool | Purpose |\n|------|---------|\n| Sysmon | Event ID 7 DLL load monitoring |\n| CrowdStrike Falcon | DLL load detection with process context |\n| Microsoft Defender for Endpoint | DLL load anomaly detection |\n| Process Monitor | Real-time DLL load tracing |\n| DLL Export Viewer | Verify DLL export functions |\n| Sigcheck | Digital signature verification |\n| pe-sieve | PE analysis for proxied DLLs |\n\n## Common Scenarios\n\n1. **Legitimate App Wrapper**: Adversary copies signed application (e.g., OneDrive updater) to temp folder alongside malicious DLL with same name as expected dependency.\n2. **Phantom DLL Exploitation**: Malicious DLL placed in PATH location where legitimate app searches for non-existent DLL.\n3. **DLL Proxy Loading**: Malicious version.dll proxies all exports to real version.dll while executing malicious code on DllMain.\n4. **Software Update Hijack**: Attacker replaces DLL in update staging directory before legitimate updater loads it.\n\n## Output Format\n\n```\nHunt ID: TH-SIDELOAD-[DATE]-[SEQ]\nTechnique: T1574.002\nHost Application: [Legitimate signed executable]\nSideloaded DLL: [Malicious DLL name and path]\nExpected DLL Path: [Where DLL should legitimately be]\nDLL Signed: [Yes\u002FNo]\nApp Location: [Expected\u002FAnomalous]\nHost: [Hostname]\nRisk Level: [Critical\u002FHigh\u002FMedium\u002FLow]\n```\n","# Detecting DLL Sideloading Attacks\n\n## When to Use\n\n- When investigating potential DLL hijacking in enterprise environments\n- After EDR alerts on unsigned DLLs loaded by signed applications\n- When hunting for APT persistence using legitimate application wrappers\n- During incident response to identify trojanized applications\n- When threat intel indicates DLL sideloading campaigns targeting specific software\n\n## Prerequisites\n\n- EDR with DLL load monitoring (CrowdStrike, MDE, SentinelOne)\n- Sysmon Event ID 7 (Image Loaded) with hash verification\n- Application whitelisting or DLL integrity monitoring\n- Software inventory of legitimate applications and expected DLL paths\n- Code signing verification capabilities\n\n## Workflow\n\n1. **Identify Sideloading Targets**: Research known vulnerable applications that load DLLs without full path qualification (LOLBAS, DLL-sideload databases).\n2. **Monitor DLL Load Events**: Query Sysmon Event ID 7 for DLL loads where the DLL path differs from the application's expected directory.\n3. **Check DLL Signatures**: Flag unsigned or untrusted DLLs loaded by signed executables.\n4. **Detect Path Anomalies**: Identify legitimate executables running from unusual locations (Temp, AppData, Public) that may be decoy wrappers.\n5. **Hash Verification**: Compare loaded DLL hashes against known-good versions and threat intel feeds.\n6. **Correlate with Process Behavior**: Check if the host process exhibits unusual behavior (network connections, child processes) after loading the suspicious DLL.\n7. **Document and Remediate**: Report sideloading instances, quarantine malicious DLLs, and update detection rules.\n\n## Key Concepts\n\n| Concept | Description |\n|---------|-------------|\n| T1574.002 | DLL Side-Loading |\n| T1574.001 | DLL Search Order Hijacking |\n| T1574.006 | Dynamic Linker Hijacking |\n| T1574.008 | Path Interception by Search Order Hijacking |\n| DLL Search Order | Windows DLL loading priority path |\n| Side-Loading | Placing malicious DLL where legitimate app loads it |\n| Phantom DLL | DLL that legitimate apps try to load but does not exist |\n| DLL Proxying | Malicious DLL forwarding calls to legitimate DLL |\n\n## Tools & Systems\n\n| Tool | Purpose |\n|------|---------|\n| Sysmon | Event ID 7 DLL load monitoring |\n| CrowdStrike Falcon | DLL load detection with process context |\n| Microsoft Defender for Endpoint | DLL load anomaly detection |\n| Process Monitor | Real-time DLL load tracing |\n| DLL Export Viewer | Verify DLL export functions |\n| Sigcheck | Digital signature verification |\n| pe-sieve | PE analysis for proxied DLLs |\n\n## Common Scenarios\n\n1. **Legitimate App Wrapper**: Adversary copies signed application (e.g., OneDrive updater) to temp folder alongside malicious DLL with same name as expected dependency.\n2. **Phantom DLL Exploitation**: Malicious DLL placed in PATH location where legitimate app searches for non-existent DLL.\n3. **DLL Proxy Loading**: Malicious version.dll proxies all exports to real version.dll while executing malicious code on DllMain.\n4. **Software Update Hijack**: Attacker replaces DLL in update staging directory before legitimate updater loads it.\n\n## Output Format\n\n```\nHunt ID: TH-SIDELOAD-[DATE]-[SEQ]\nTechnique: T1574.002\nHost Application: [Legitimate signed executable]\nSideloaded DLL: [Malicious DLL name and path]\nExpected DLL Path: [Where DLL should legitimately be]\nDLL Signed: [Yes\u002FNo]\nApp Location: [Expected\u002FAnomalous]\nHost: [Hostname]\nRisk Level: [Critical\u002FHigh\u002FMedium\u002FLow]\n```\n",{"name":5,"tags":44,"author":45,"domain":38,"license":15,"version":46,"subdomain":36,"description":7},[36,37,21,30,28,32,34],"mahipal","1.0","main","4d2fb89cdfb75f3f6fd3c6c5ec9ad90ea129eb3c","ai-agent-skills\u002F21-external-registries\u002F08-pinkpixel-collection\u002Fdetecting-dll-sideloading-attacks",1,"https:\u002F\u002Fgithub.com\u002Fluokai0\u002Fai-agent-skills-by-luo-kai","https:\u002F\u002Fgithub.com\u002Fluokai0","a solo builder.","2026-05-06 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Includes comprehensive storage decision framework for optimal data structure selection. Triggers on: 'write contract', 'create NFT collection', 'build marketplace', 'implement minting', 'generate Move module', 'create token contract', 'build DAO', 'implement staking'. Ask storage questions when: 'store', 'track', 'registry', 'mapping', 'list', 'collection'.","MIT","https:\u002F\u002Fgithub.com\u002Fluokai0\u002Fai-agent-skills-by-luo-kai\u002Fblob\u002Fmain\u002Fai-agent-skills\u002F22-clawhub-skills\u002Fwrite-contracts\u002FSKILL.md",[],[113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132],"write","contracts","write contracts","storage","secure","create","generate","collection","model","decision","ask","smart-contracts","selection","objects","structure","nft","token","aptos","critical","move",{"skillNo":134,"name":135,"nameZh":6,"description":136,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":109,"licenseFileUrl":6,"sourceHtmlUrl":137,"categories":138,"keywords":139,"publishedAt":39},"01M6F2RFXJ6T9MKW0A7N7GM45B","web-search","通用网络搜索技能，支持多引擎搜索（百度、必应、DuckDuckGo），无需API密钥即可获取实时信息","https:\u002F\u002Fgithub.com\u002Fluokai0\u002Fai-agent-skills-by-luo-kai\u002Fblob\u002Fmain\u002Fai-agent-skills\u002F22-clawhub-skills\u002Fweb-search-ex-skill\u002FSKILL.md",[],[140,141,142,143,144,145,146,147,148,149],"web","search","web search","搜索","baidu","bing","duckduckgo","百度","多引擎","internet",{"skillNo":151,"name":152,"nameZh":6,"description":153,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":109,"licenseFileUrl":6,"sourceHtmlUrl":154,"categories":155,"keywords":161,"publishedAt":39},"01M6F2K968G1FZEZFPW2E6B222","solo-build","Execute implementation plan tasks with TDD workflow, auto-commit, and phase gates. Use when user says \"build it\", \"start building\", \"execute plan\", \"implement tasks\", \"ship it\", or references a track ID. Do NOT use for planning (use \u002Fplan) or scaffolding (use \u002Fscaffold).","https:\u002F\u002Fgithub.com\u002Fluokai0\u002Fai-agent-skills-by-luo-kai\u002Fblob\u002Fmain\u002Fai-agent-skills\u002F22-clawhub-skills\u002Fsolo-build\u002FSKILL.md",[156],{"categoryNo":157,"categoryName":158,"taxonomyType":159,"taxonomyTypeDesc":160},"01JBSEEDCAT000000000000023","Skill与智能体开发","SCENARIO","使用场景",[162,163,164,165,166,167,168,169,141,170,171,172,113,173,174,175,176,177,178,179],"build","solo","solo build","MCP","workflow","commit","tasks","code","Bash","plan","read","auto","references","context7","query","scaffolding","ship it","project",{"skillNo":181,"name":182,"nameZh":6,"description":183,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":109,"licenseFileUrl":6,"sourceHtmlUrl":184,"categories":185,"keywords":192,"publishedAt":39},"01M6F2GKN39SGHSPWYB3662YC8","react-email","Use when building HTML email templates with React components, adding a visual email editor to an application using the React Email visual editor, rendering emails to HTML, or sending emails with Resend. 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