Detects command-and-control beacons in network logs by analyzing connection timing: measuring inter-arrival intervals, accounting for jitter, and scoring regularity per source/destination pair to surface periodic callbacks. Activates for requests to hunt C2 beaconing, find periodic callbacks, or analyze connection-interval regularity.
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conn.log, NetFlow) and want to find implants
that call home on a schedule.Do not use pure interval regularity as a verdict — software update checks, telemetry, and keep-alives also beacon; combine timing with destination reputation and data volume.
Bucket connections by (source, destination) and sort timestamps. Require a minimum count so the interval statistics are meaningful.
Derive deltas between consecutive connections per pair; the interval distribution reveals periodicity.
A low coefficient of variation (std/mean) of intervals indicates a steady beacon; modern beacons add jitter, so score on tolerance rather than requiring identical intervals.
python scripts/analyst.py beacon conn.json --min-events 8
Down-rank known update/telemetry destinations and CDNs; up-rank rare/young domains, small fixed payload sizes, and odd ports.
For top pairs, pull payloads/JA3, destination intel, and host context; confirm via the C2/beacon config skills and escalate.
references/api-reference.md for the beacon scorer.No reviews yet. Tell others what you thought.
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Reverses Android malware: unpacking APKs, decompiling DEX bytecode to readable Java, auditing the manifest for abused permissions and components, and locating dynamically loaded or native payloads. Activates for requests to analyze an APK, decompile DEX, or investigate a suspicious Android app.
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Analyzes API call traces from a sandbox or API monitor (JSON) to group calls by category, reconstruct high-level behaviors (process injection, file drops, network, crypto), and flag suspicious call sequences. Activates for requests to analyze an API trace, interpret sandbox API logs, or identify behavior from Win32/Native API calls.
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Analyzes Windows Authenticode signatures on PE files: checking for a signature, reading the signer certificate chain, detecting revoked/expired/stolen certs, and recognizing signature-stripping and catalog-signing abuse. Activates for requests to analyze a code signature, verify Authenticode, or assess signer trust on a PE.
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Analyzes banking trojan webinject configurations to extract targeted institutions, injected JavaScript/HTML, and data-theft hooks, mapping the fraud workflow. Activates for requests to analyze banking trojan webinjects, parse a webinject config, or map targeted banks and credential-theft injections.
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Analyzes Python-based malware packaged as PyInstaller/py2exe executables by detecting the packer, locating the embedded archive, and identifying bundled .pyc modules for extraction and decompilation. Activates for requests to analyze compiled Python malware, unpack a PyInstaller binary, or extract pyc modules from a frozen Python executable.
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Analyzes cryptojacking/coinminer malware by extracting mining pool endpoints (stratum), wallet addresses, algorithm and miner identifiers (XMRig and forks), and persistence or resource-control settings from static strings and config. Activates for requests to analyze a cryptominer, extract mining pool and wallet IOCs, or identify coinminer configuration.
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