Script to generate signatures based on VirusTotal API.
This commit is contained in:
parent
afef4c9064
commit
97610b7e98
|
@ -0,0 +1,39 @@
|
|||
#!/bin/bash
|
||||
# VirusTotal script to add signatures.
|
||||
# /!\ Warning. Current API Key is limited to 4 requests per minutes.
|
||||
|
||||
database="evolix.hsb"
|
||||
apikey="XXX"
|
||||
file="$1"
|
||||
md5=$(md5sum "$file" | cut -d' ' -f1)
|
||||
sha256=$(sha256sum "$file" | cut -d' ' -f1)
|
||||
size=$(stat -c %s "$file")
|
||||
report=$(mktemp virustotal.XXX.tmp)
|
||||
|
||||
echo "Scanning file ${file}..."
|
||||
# Search if not already in Evolix database.
|
||||
grep -q "$sha256" "$database"
|
||||
if [[ $? == 0 ]]; then
|
||||
echo "This file is a virus and already in Evolix database!"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# Send the file for scanning to VirusTotal.
|
||||
curl https://www.virustotal.com/vtapi/v2/file/scan -F file="@${file}" -F apikey="${apikey}" -o /dev/null -s
|
||||
# Wait for scan, about 30s, then get the report, parse it and generate a signature.
|
||||
sleep 20s
|
||||
curl https://www.virustotal.com/vtapi/v2/file/report -F resource="${md5}" -F apikey="${apikey}" -o "$report" -s
|
||||
positives=$(grep -Eo '"positives": [0-9]+' "$report" | grep -Eo '[0-9]+')
|
||||
link=$(grep -Eo 'https://.*/' "$report")
|
||||
if [[ "$positives" -ge 2 ]]; then
|
||||
echo "Virus detected! (${positives} positives)"
|
||||
echo "VirusTotal link: $link"
|
||||
echo "Adding signature to Evolix database..."
|
||||
echo "${sha256}:${size}:DetectedOnVirusTotal+Evolix" >> $database
|
||||
else
|
||||
echo "No virus detected. Not adding a signature to Evolix database."
|
||||
fi
|
||||
|
||||
# Cleaning
|
||||
rm "$report"
|
||||
exit 0
|
Loading…
Reference in New Issue