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improved for other file types like empty and very short

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gabrielsoltz
2019-06-19 14:58:18 +02:00
parent e6992e87ee
commit d7d2246498
1 changed files with 24 additions and 20 deletions
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44
checks/check_extra741
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@@ -22,34 +22,38 @@ extra741(){
LIST_OF_EC2_INSTANCES=$($AWSCLI ec2 describe-instances $PROFILE_OPT --region $regx --query Reservations[*].Instances[*].InstanceId --output text --max-items $MAXITEMS | grep -v None)
if [[ $LIST_OF_EC2_INSTANCES ]];then
for instance in $LIST_OF_EC2_INSTANCES; do
USERDATA_FILE=$instance-userdata.decoded
USERDATA=$($AWSCLI ec2 describe-instance-attribute --attribute userData --query UserData.Value $PROFILE_OPT --region $regx --instance-id $instance --output text | grep -v None)
if [[ $USERDATA ]];then
USERDATA=$($AWSCLI ec2 describe-instance-attribute --attribute userData --query UserData.Value $PROFILE_OPT --region $regx --instance-id $instance --output text)
if [[ "$USERDATA" != "None" ]]; then
USERDATA_FILE=$instance-userdata.decoded
echo "$USERDATA" | decode_report > $USERDATA_FILE
FILE_FORMAT_ASCII=$(file -b $USERDATA_FILE|grep ASCII)
#FINDINGS=$(grep '[A-Za-z0-9]\{20,40\}' $USERDATA_FILE | grep -i -e key -e secret -e token -e pass - |wc -l|tr -d '\ ')
#FINDINGS=$(grep -i -e key -e secret -e token -e pass $USERDATA_FILE |wc -l|tr -d '\ ')
# This finds ftp or http URLs with credentials and common keywords
FINDINGS=$(egrep -i '[[:alpha:]]*://[[:alnum:]]*:[[:alnum:]]*@.*/|key|secret|token|pass' $USERDATA_FILE |wc -l|tr -d '\ ')
if [[ $FILE_FORMAT_ASCII ]]; then
FILE_FORMAT=$(file -b $USERDATA_FILE)
if [[ $(echo "$FILE_FORMAT" | grep -i gzip) ]]; then
mv $USERDATA_FILE $USERDATA_FILE.gz ; gunzip $USERDATA_FILE.gz
#FINDINGS=$(grep '[A-Za-z0-9]\{20,40\}' $USERDATA_FILE | grep -i -e key -e secret -e token -e pass - |wc -l|tr -d '\ ')
#FINDINGS=$(grep -i -e key -e secret -e token -e pass $USERDATA_FILE |wc -l|tr -d '\ ')
# This finds ftp or http URLs with credentials and common keywords
FINDINGS=$(egrep -i '[[:alpha:]]*://[[:alnum:]]*:[[:alnum:]]*@.*/|secret|token|pass' $USERDATA_FILE |wc -l|tr -d '\ ')
if [[ $FINDINGS -eq 0 ]]; then
textPass "$regx: No keys found" "$instance" "$regx"
rm -f $USERDATA_FILE.gz
else
textFail "$regx: Found $FINDINGS keys! Check file $USERDATA_FILE" "$instance" "$regx"
fi
else
#FINDINGS=$(grep '[A-Za-z0-9]\{20,40\}' $USERDATA_FILE | grep -i -e key -e secret -e token -e pass - |wc -l|tr -d '\ ')
#FINDINGS=$(grep -i -e key -e secret -e token -e pass $USERDATA_FILE |wc -l|tr -d '\ ')
# This finds ftp or http URLs with credentials and common keywords
FINDINGS=$(egrep -i '[[:alpha:]]*://[[:alnum:]]*:[[:alnum:]]*@.*/|secret|token|pass' $USERDATA_FILE |wc -l|tr -d '\ ')
if [[ $FINDINGS -eq "0" ]]; then
textPass "$regx: No keys found in $instance" "$regx"
textPass "$regx: No keys found" "$instance" "$regx"
# delete file if nothing interesting is there
rm -f $USERDATA_FILE
else
textFail "$regx: Found $FINDINGS keys in $instance! Check file $USERDATA_FILE" "$regx"
fi
else
mv $USERDATA_FILE $USERDATA_FILE.gz ; gunzip $USERDATA_FILE.gz
if [[ $FINDINGS -eq 0 ]]; then
textPass "$regx: No keys found in $instance" "$regx"
rm -f $USERDATA_FILE.gz
else
textFail "$regx: Found $FINDINGS keys in $instance! Check file $USERDATA_FILE" "$regx"
textFail "$regx: Found $FINDINGS keys! Check file $USERDATA_FILE" "$instance" "$regx"
fi
fi
else
textPass "$regx: $instance nothing found" "$regx"
textPass "$regx: Instance nothing found" "$instance" "$regx"
fi
done
else