Security Software Discovery - Linux (c9d8b7fd-78e4-44fe-88f6-599135d46d60)

Detects usage of system utilities (only grep and egrep for now) to discover security software discovery

Cluster A	Galaxy A	Cluster B	Galaxy B	Level
Security Software Discovery - Linux (c9d8b7fd-78e4-44fe-88f6-599135d46d60)	Sigma-Rules	Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384)	Attack Pattern	1
Software Discovery - T1518 (e3b6daca-e963-4a69-aee6-ed4fd653ad58)	Attack Pattern	Security Software Discovery - T1518.001 (cba37adb-d6fb-4610-b069-dd04c0643384)	Attack Pattern	2