Investigate Windows secrets protected by DPAPI, a system for encrypting sensitive data, in a CTF sandbox. Trace the required keys and account context through decryption, then verify which service accepts the recovered secret.
中文简介正在准备中。当前显示英语简介。
- Inspect DPAPI-protected data and masterkeys
- Trace credentials stored by browsers or Windows Vault
- Identify the account or machine context needed for decryption
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Analyze a custom protocol in a CTF sandbox and reproduce an accepted exchange. Recover message boundaries, checksums, and session state, then build a small replay program that preserves the required message order.
中文简介正在准备中。当前显示英语简介。
- Recover message boundaries in an unknown protocol
- Reconstruct handshake steps and session state
- Build a replay program for a captured exchange
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Analyze WebSocket and SSE realtime connections in CTF sandboxes. Trace connection setup, authentication, subscriptions, and message sequences to explain changes in displayed or stored state and identify the smallest sequence that reproduces them.
中文简介正在准备中。当前显示英语简介。
- Inspecting connection setup and authentication data
- Decoding realtime messages and subscription flow
- Tracing reconnect behavior and message order
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Trace how access to cloud metadata leads to issued credentials and accepted privileges in a CTF sandbox. Organize endpoints, identity details, and API evidence into a minimal, reproducible path showing where trust is granted.
中文简介正在准备中。当前显示英语简介。
- Investigating access to cloud metadata services
- Tracing instance or workload credentials
- Verifying privileges accepted through metadata credentials
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Examine container isolation in a CTF sandbox, a controlled security challenge environment. The skill checks kernel and runtime conditions, verifies whether an exploit crosses into host context, and preserves a minimal reproducible chain with evidence.
中文简介正在准备中。当前显示英语简介。
- Review container isolation settings in a CTF environment
- Check kernel exploit prerequisites
- Verify whether a trigger crosses the container boundary
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Investigate hidden data in CTF images, audio, video, and documents. Examine file structure and candidate hiding channels, then extract and reconstruct the payload while preserving intermediate files and reproducible steps.
中文简介正在准备中。当前显示英语简介。
- Inspecting metadata and data appended to media files
- Finding hidden data in image transparency or color channels
- Examining audio spectrograms and video frame differences
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Investigate Kerberos delegation, which lets services act on another identity, in a CTF sandbox. Trace delegation settings, issued tickets, and service acceptance to document a reproducible trust path and the privileges it actually grants.
中文简介正在准备中。当前显示英语简介。
- Identifying constrained, unconstrained, or resource-based delegation
- Tracing S4U steps and issued authentication tickets
- Verifying ticket acceptance and resulting privileges
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Analyze packet captures in a CTF sandbox by rebuilding communication sessions and decoding message contents. Recover transferred files and connect packet order, timing, and reconstructed streams to observed host or malware behavior.
中文简介正在准备中。当前显示英语简介。
- Rebuild TCP or UDP communication sessions
- Decode HTTP, DNS, or custom protocol messages
- Recover files transferred over the network
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Analyze encrypted ZIP challenges in a CTF sandbox and use bkcrack to recover legacy ZipCrypto keys from known file contents. Create a decrypted archive, validate extraction, and preserve the commands and evidence needed to reproduce the result.
中文简介正在准备中。当前显示英语简介。
- Identify the encryption used by a ZIP archive
- Recover ZipCrypto keys from known file contents
- Validate and extract a decrypted archive
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Inspect firmware in a CTF sandbox, map its partitions, and trace startup and update steps. Connect extracted files, credentials, and configuration to device behavior, preserving evidence for a minimal reproducible path.
中文简介正在准备中。当前显示英语简介。
- Map firmware partitions and extracted filesystems
- Trace startup and update verification steps
- Identify where embedded credentials are used
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Build an evidence-backed incident timeline in a CTF sandbox by correlating logs, network captures, and other artifacts. Trace attacker actions across sources, distinguish confirmed events from inferred gaps, and preserve the sequence that supports the conclusion.
中文简介正在准备中。当前显示英语简介。
- Combine logs and network captures into an incident timeline
- Trace attacker actions from initial access to persistence
- Separate confirmed event order from inferred gaps
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Analyze running containers in a CTF sandbox by comparing declared configuration with live processes, mounts, and routes. Trace how secrets and helper containers affect behavior, then document the earliest mismatch and a minimal evidence chain.
中文简介正在准备中。当前显示英语简介。
- Comparing container manifests with live runtime behavior
- Identifying which process consumes a mounted secret
- Tracing changes made by sidecars or init containers
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Trace forced authentication and relay chains in a CTF sandbox. Identify what triggers authentication, which service accepts the forwarded identity, and what privilege or artifact results, while distinguishing captured authentication from a successfully accepted relay.
中文简介正在准备中。当前显示英语简介。
- Identify what triggers forced authentication
- Find which service accepts relayed authentication
- Connect relay acceptance to resulting privileges
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Investigate web applications in a CTF sandbox by tracing real browser requests, stored state, API calls, and background jobs. Compare successful and failing flows to explain authentication, routing, and differences between interface and server behavior.
中文简介正在准备中。当前显示英语简介。
- Trace authentication and session flows
- Compare browser state with server behavior
- Follow uploads and background jobs
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Analyze Windows identity and host evidence in CTF sandboxes. Connect authentication tickets, credentials, mailbox rules, and host activity to explain which services accept access and how movement between hosts occurs.
中文简介正在准备中。当前显示英语简介。
- Tracing authentication tickets and tokens
- Investigating mailbox rules alongside identity events
- Building a timeline of Windows host evidence
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Trace how JWT, JWS, and JWE tokens become accepted identities or privileges in a CTF sandbox. Examine headers, key selection, and claims, the token's attributes, then preserve a minimal reproducible path demonstrating validation confusion.
中文简介正在准备中。当前显示英语简介。
- Inspect token headers and key selection in a CTF sandbox
- Trace how token claims become application permissions
- Build a minimal reproduction of token acceptance confusion
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Investigate prompt injection in sandboxed security challenges by tracing how untrusted text changes an agent’s decisions or tool calls. Build a minimal reproduction and preserve evidence showing where external content crosses into trusted instructions or actions.
中文简介正在准备中。当前显示英语简介。
- Trace instructions hidden in retrieved documents
- Investigate agent behavior changed by stored memory
- Reproduce altered tool arguments or secret exposure
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Trace OAuth and OIDC sign-in flows in a CTF sandbox, from redirects through token exchange to application acceptance. Show where tokens become a recognized identity or permission, and preserve the smallest reproducible flow.
中文简介正在准备中。当前显示英语简介。
- Trace sign-in redirects and callback parameters
- Inspect state, nonce, and PKCE validation
- Check how tokens become application identity or permissions
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Recover hidden malware settings and communication parameters in an isolated CTF environment. Document how values are decoded, preserve supporting evidence, and connect recovered fields to the sample’s observed behavior.
中文简介正在准备中。当前显示英语简介。
- Recovering hidden malware configuration fields
- Decoding command server addresses and beacon settings
- Separating loaders from staged payloads
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Trace how requests become rendered pages in a CTF sandbox. Compare display restrictions with server enforcement, inspect data passed to the browser, and preserve a minimal example that demonstrates where rendering behavior diverges.
中文简介正在准备中。当前显示英语简介。
- Trace routes through server rendering
- Inspect page data passed to the browser
- Compare display restrictions with handler enforcement
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Analyze binaries, malware samples, memory dumps, and packet captures in sandboxed security challenges. Trace program behavior, investigate crashes, and verify exploit conditions while preserving original files, decoded artifacts, and observable evidence for reproducible findings.
中文简介正在准备中。当前显示英语简介。
- Reverse engineer a binary’s structure and behavior
- Unpack a malware sample and separate its components
- Investigate crashes and verify exploit conditions
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Trace software artifacts from source and dependencies through builds, publishing, and runtime use in CTF sandboxes. Compare intended versions with shipped files to identify the earliest divergence and document the evidence linking each stage.
中文简介正在准备中。当前显示英语简介。
- Comparing declared, resolved, and shipped dependency versions
- Tracing package or build tampering through CI/CD
- Identifying the artifact actually used at runtime
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Trace SSH keys, tokens, and other credentials in Linux CTF environments. Connect each recovered artifact to the service that accepts it, then document the resulting privileges or movement to another host.
中文简介正在准备中。当前显示英语简介。
- Trace where recovered SSH keys and tokens are accepted
- Document privilege gains through sockets or sudo
- Explain movement between Linux challenge hosts
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新
Compare GraphQL and RPC contracts, which describe expected API behavior, with generated clients and live handlers in a CTF sandbox. Identify hidden or outdated operations and preserve minimal request pairs that demonstrate the mismatch.
中文简介正在准备中。当前显示英语简介。
- Compare API contracts with live request handling
- Trace requests made by generated clients
- Investigate hidden or outdated API operations
zhaoxuya520/reverse-skill☆ 4.3万2026年9月22日 更新