Rule History

SID: 2048042 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1 • Sep 12, 2023, 12:00 PM

Message:

ET MALWARE Reptile Linux LKM Rootkit Backdoor Activity

Rule:

alert tcp any 666 -> any 4444 (msg:"ET MALWARE Reptile Linux LKM Rootkit Backdoor Activity"; flow:not_established; dsize:<40; content:"hax0r"; fast_pattern; reference:url,github.com/f0rb1dd3n/Reptile; classtype:trojan-activity; sid:2048042; rev:1; metadata:attack_target Linux_Unix, created_at 2023_09_12, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_12, reviewed_at 2023_09_12; target:dest_ip;)

Created:

Sep 12, 2023, 12:00 PM

Updated:

Sep 12, 2023, 12:00 PM

DB Created:

Sep 12, 2023, 9:00 PM

DB Updated:

Aug 18, 2025, 8:35 PM

Filename:

rules/emerging-malware.rules