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Generic Ebury socket detection #7

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Generic Ebury socket detection #7

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13 changes: 13 additions & 0 deletions ebury/detect_ebury.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,18 @@ declare -A ebury_socket_addr=(
["event-lqG1FF5dwG"]="1.8.2.e6"
)

# Detect Ebury abstract UNIX socket based on regex.
add_generic_socket() {
local s

s="$(grep -Eom1 '@(event-[a-zA-Z0-9]{10}|/dev/(event|stats)-[a-zA-Z0-9]{10}|UDEV-[a-zA-Z0-9]{8}|/run/systemd/log|/proc/udevd)' /proc/net/unix)"
s="${s:1}"
# /tmp/dbus-[a-zA-Z0-9]{10} is a common name, but Ebury has only 1 per master process.
[ -z "$s" ] && s="$(grep -E '@/tmp/dbus-[a-zA-Z0-9]{10}' /proc/net/unix | sed 's|.*@||g' | sort | uniq -c | grep " 1 " | awk '{print $2}' | head -n1)"
[ -z "$s" ] && return
ebury_socket_addr["$s"]="Ebury of unknown version"
}

# Finds the PID of the Ebury process from the inode of the UNIX socket
function find_ebury_pid() {
find /proc -maxdepth 3 -lname "socket:\[$1\]" 2> /dev/null | cut -d/ -f 3
Expand Down Expand Up @@ -93,6 +105,7 @@ function retry_with_rootkit_evastion {
function detect() {
local RED='\033[0;31m'
local CLEAR='\033[0m'
add_generic_socket
for socket in "${!ebury_socket_addr[@]}"; do
if abstract_unix_socket_exists "$socket"; then
echo -n -e "${RED}Found abstract UNIX socket \"$socket\" for "
Expand Down