yaklang
103 skills with substantive source documentation and an official publisher or observed installation demand. Read each skill’s original documentation through its card.
yaklangdefi-attack-patterns
DeFi attack pattern playbook. Use when analyzing flash loan attacks, price oracle manipulation, MEV sandwich attacks, governance exploits, bridge vulnerabilities, and token standard edge cases in decentralized finance protocols.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangdependency-confusion
Supply-chain testing via package-manager dependency confusion: when internal package names resolve to attacker-controlled public registries, leading to malicious install and script execution. Use for npm/pip/gem/Maven/Composer/Docker manifest review and authorized red-team supply-chain exercises.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangdeserialization-insecure
Insecure deserialization playbook. Use when Java, PHP, or Python applications deserialize untrusted data via ObjectInputStream, unserialize, pickle, or similar mechanisms that may lead to RCE, file access, or privilege escalation.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangdns-rebinding-attacks
DNS rebinding attack playbook. Use when testing applications that trust DNS resolution for origin checks, interact with internal services from browser context, or when SSRF is not possible server-side but the target has client-side fetch/XHR to attacker-controlled domains.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangemail-header-injection
Email header injection and spoofing playbook. Use when testing contact forms, email APIs, password reset flows, or any feature that constructs SMTP messages with user-controlled fields. Covers CRLF injection in headers, SPF/DKIM/DMARC bypass, and phishing amplification.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangfile-access-vuln
Entry P1 category router for file access and upload workflows. Use when testing download endpoints, file paths, local file inclusion, upload flows, preview pipelines, archive extraction, or storage and sharing boundaries.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangformat-string-exploitation
Format string exploitation playbook. Use when printf-family functions receive user-controlled format strings, enabling arbitrary stack reads (%p/%s), arbitrary memory writes (%n/%hn/%hhn), GOT/hook overwrites, and canary/libc/PIE leaks.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangghost-bits-cast-attack
Java "Ghost Bits" / Cast Attack playbook (Black Hat Asia 2026). Use when attacking Java services where 16-bit char is silently narrowed to 8-bit byte to bypass WAF/IDS for SQL injection, deserialization RCE, file upload (Webshell), path traversal, CRLF injection, request smuggling, and SMTP injection. Affects Tomcat, Spring, Jetty, Undertow, Vert.x, Jackson, Fastjson, Apache Commons BCEL, Apache HttpClient, Angus Mail, JDK HttpServer, Lettuce, Jodd, XMLWriter and re-enables many "patched" CVEs t
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanggraphql-and-hidden-parameters
GraphQL and hidden parameter testing playbook. Use when exploring introspection, batching, undocumented fields, hidden parameters, schema abuse, and GraphQL authorization gaps.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanghack
Entry P0 primary router and operating doctrine for HackSkills. Use when the task involves web application testing, API security assessment, recon, vulnerability triage, exploit path planning, authorized pentest, code audit, source-leak mining, middleware audit, SOC triage, detection engineering, incident response, or choosing the right next category skill before any deep topic skill. Also use when the user mentions 安全工程师, 渗透测试, 红队, 蓝队, 代码审计, 源码泄露, SRC. Enforce impact-first testing, finish the cu
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangheap-exploitation
Heap exploitation playbook. Use when targeting ptmalloc2/glibc heap vulnerabilities including UAF, double free, overflow, off-by-one/null, and leveraging tcache/fastbin/unsortedbin attacks for arbitrary write or code execution.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanghttp-host-header-attacks
HTTP Host header injection and routing abuse playbook. Use when the application trusts the Host header for generating URLs, routing requests, or access control — enabling password reset poisoning, web cache poisoning, SSRF via routing, and virtual host bypass.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanghttp-parameter-pollution
HTTP Parameter Pollution (HPP): duplicate query/body keys parsed differently by servers, proxies, WAFs, and app frameworks. Use when filters and application layers disagree on which value wins, enabling bypass, SSRF second URL, logic abuse, or CSRF token confusion.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanghttp2-specific-attacks
HTTP/2 protocol-specific attack playbook. Use when the target supports HTTP/2 and you need to exploit binary framing, HPACK compression, h2c upgrade smuggling, pseudo-header injection, stream multiplexing abuse, or H2→H1 downgrade translation flaws.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangidor-broken-object-authorization
IDOR and broken object authorization testing playbook. Use when requests expose object identifiers, tenant boundaries, writable fields, or missing object-level authorization checks.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanginjection-checking
Entry P1 category router for injection testing. Use when routing between XSS, SQLi, SSRF, XXE, SSTI, command injection, and NoSQL injection workflows based on how attacker-controlled input is consumed.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanginsecure-source-code-management
Source control and artifact exposure (.git, .svn, .hg, backups, .env). Use when recon finds VCS paths, 403 on hidden dirs, or backup/config leaks during authorized testing.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangios-pentesting-tricks
iOS pentesting playbook. Use when testing iOS applications for keychain extraction, URL scheme hijacking, Universal Links exploitation, runtime manipulation, binary protection analysis, data storage issues, and transport security bypass during authorized mobile security assessments.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangjndi-injection
JNDI injection playbook. Use when Java applications perform JNDI lookups with attacker-controlled names, especially via Log4j2, Spring, or any code path reaching InitialContext.lookup().
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklangkubernetes-pentesting
Kubernetes penetration testing playbook. Use when targeting Kubernetes clusters via API server, RBAC enumeration, service account abuse, etcd access, Kubelet API, pod escape, cloud-specific metadata, admission webhook bypass, and registry secrets.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanglattice-crypto-attacks
Lattice-based cryptanalysis playbook. Use when attacking RSA via Coppersmith small roots, recovering DSA/ECDSA nonces from bias, solving knapsack problems, or applying LLL/BKZ reduction to cryptographic constructions.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanglinux-lateral-movement
Linux lateral movement playbook. Use after gaining initial access to pivot across Linux hosts via SSH hijacking, credential harvesting, internal pivoting, D-Bus exploitation, sudo token reuse, and shared filesystem abuse.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanglinux-privilege-escalation
Linux privilege escalation playbook. Use when you have low-privilege shell access and need to escalate to root via SUID/SGID binaries, capabilities, cron abuse, kernel exploits, misconfigurations, or credential harvesting on Linux systems.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13
yaklanglinux-security-bypass
Linux security mechanism bypass playbook. Use when facing restricted bash/rbash, read-only or noexec filesystems, AppArmor, SELinux, seccomp filters, or audit logging that must be evaded during post-exploitation.
- installs
- 2
- GitHub stars
- 2.5K
- Updated
- Sep 13