diff --git a/salt/common/tools/sbin/so-yara-update b/salt/common/tools/sbin/so-yara-update index e6b682690..884c13728 100755 --- a/salt/common/tools/sbin/so-yara-update +++ b/salt/common/tools/sbin/so-yara-update @@ -1,4 +1,21 @@ #!/bin/bash + +# Copyright 2014,2015,2016,2017,2018,2019,2020 Security Onion Solutions, LLC +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +clone_dir="/tmp" output_dir="/opt/so/saltstack/default/salt/strelka/rules" #mkdir -p $output_dir repos="$output_dir/repos.txt" @@ -19,13 +36,14 @@ if [ "$gh_status" == "200" ] || [ "$gh_status" == "301" ]; then [ -d $repo_name ] && rm -rf $repo_name # Clone repo and make appropriate directories for rules - git clone $repo - echo "Analyzing rules from $repo_name..." + + git clone $repo $clone_dir/$repo_name + echo "Analyzing rules from $clone_dir/$repo_name..." mkdir -p $output_dir/$repo_name - [ -f $repo_name/LICENSE ] && cp $repo_name/LICENSE $output_dir/$repo_name + [ -f $clone_dir/$repo_name/LICENSE ] && cp $clone_dir/$repo_name/LICENSE $output_dir/$repo_name # Copy over rules - for i in $(find $repo_name -name "*.yar*"); do + for i in $(find $clone_dir/$repo_name -name "*.yar*"); do rule_name=$(echo $i | awk -F '/' '{print $NF}') repo_sum=$(sha256sum $i | awk '{print $1}') @@ -50,17 +68,17 @@ if [ "$gh_status" == "200" ] || [ "$gh_status" == "301" ]; then fi fi; done - + # Check to see if we have any old rules that need to be removed for i in $(find $output_dir/$repo_name -name "*.yar*" | awk -F '/' '{print $NF}'); do - is_repo_rule=$(find $repo_name -name "$i" | wc -l) + is_repo_rule=$(find $clone_dir/$repo_name -name "$i" | wc -l) if [ $is_repo_rule -eq 0 ]; then echo "Could not find $i in source $repo_name repo...removing from $output_dir/$repo_name..." rm $output_dir/$repo_name/$i ((deletecounter++)) fi done - #rm -rf $repo_name + rm -rf $clone_dir/$repo_name done < $repos echo "Done!"