reait 0.0.13

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reait

RevEng.AI Toolkit

Analyse compiled executable binaries using the RevEng.AI API. This tool allows you to search for similar components across different compiled executable programs. More details about the API can be found at docs.reveng.ai.

NB: We are in Alpha. We support GNU/Linux ELF and Windows PE executables for x86_64, and focus our support for x86_64 Linux ELF executables.

Installation

Install the latest stable version using pip.

pip install reait

Latest development version

pip install -e .

Using reait

Analysing binaries

To submit a binary for analysis, run reait with the -a flag:

reait -b /usr/bin/true -a

This uploads the binary specified by -b to RevEng.AI servers for analysis. Depending on the size of the binary, it may take several hours. You may check an analysis jobs progress with the -l flag e.g. reait -b /usr/bin/true -l.

Extract symbol embeddings

Symbol embeddings are numerical vector representations of each component that capture their semantic understanding. Similar functions should be similar to each other in our embedded vector space. They can be thought of as advanced AI-based IDA FLIRT signatures or Radare2 Zignatures. Once an analysis is complete, you may access RevEng.AI's BinNet embeddings for all symbols extracted with the -x flag.

reait -b /usr/bin/true -x > embeddings.json

Extract embedding for symbol at vaddr 0x19f0

reait -b /usr/bin/true -x | jq ".[] | select(.vaddr==$((0x19f0))).embedding" > embedding.json

Search for similar symbols based on JSON embedding file

To query our database of similar symbols based on an embedding, use -n to search using Approximate Nearest Neighbours. The --nns allows you to specify the number of results returned. A list of symbol names and the distance between each vector is returned.

reait -e embedding.json -n

NB: A smaller distance indicates a higher degree of similarity.

Limited Search

To search for the most similar symbols found in a binary to a specific embedding, use the --found-in option with a path to the executable.

reait -n --embedding /tmp/sha256_init.json --found-in ~/malware.exe --nns 5

This downloads embeddings from malware.exe and computes the cosine similarity between all symbols and sha256_init.json. The returned results lists the most similar symbol locations by cosine similarity score (1.0 most similar, -1.0 dissimilar).

Configuration

reait reads the config file stored at ~/.reait.toml. An example config file looks like:

apikey = "l1br3"
host = "https://api.reveng.ai"

Contact

Connect with us by filling out the contact form at RevEng.AI.