alert dns $HOME_NET any -> any any (msg:"ET MALWARE Free Download Manager Backdoor Domain in DNS Lookup (fdmpkg .org)"; dns.query; dotprefix; content:".fdmpkg.org"; nocase; endswith; reference:url,securelist.com/backdoored-free-download-manager-linux-malware/110465/; classtype:trojan-activity; sid:2048087; rev:1; metadata:affected_product Linux, attack_target Client_and_Server, created_at 2023_09_13, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_09_13, reviewed_at 2023_09_13;)

Reference
URL	http://securelist.com/backdoored-free-download-manager-linux-malware/110465/

Metadata
affected_product	Linux
attack_target	Client_and_Server
created_at	2023_09_13
deployment	Perimeter
performance_impact	Low
confidence	High
signature_severity	Major
updated_at	2023_09_13
reviewed_at	2023_09_13