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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See how to installReview the instructions the agent will receive before you install.
Do not use "is signed" as "is safe" — adversaries use stolen certs, abuse catalog signing, and append invalid signatures; a valid signature only attests the signer, not benignity.
struct/pefile); on Windows, signtool/PowerShell
Get-AuthenticodeSignature for authoritative verification.Read the PE security directory (certificate table). Absent entry = unsigned; present = embedded PKCS#7. Note that valid signing can also be via a catalog file (not embedded).
python scripts/analyst.py check sample.exe
Parse the PKCS#7 to read the signer certificate: subject, issuer, validity dates, and serial. Cross-reference against known-abused/stolen certs.
On Windows, verify the signature cryptographically and check revocation
(Get-AuthenticodeSignature). A present-but-invalid signature is a strong red flag.
Weigh signer reputation, certificate age, and whether the signed file's behavior matches the purported publisher. Treat anomalies (recently issued cert, mismatched publisher) as suspicious.
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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 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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Reverses .NET/managed malware: decompiling MSIL back to C#, defeating common .NET protectors and string encryptors, and tracing reflection-based loaders to recover the real payload. Activates for requests to analyze a .NET sample, decompile MSIL, or unpack a managed loader.
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