ET MALWARE ELF/Miner Loader Activity M2 (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/.sherifu/"; startswith; fast_pattern;
pcre:"/^\.(?:93joshua|purrple|black)$/";
http.user_agent;
content:"curl/"; startswith;
http.header_names;
content:!"Referer";
Raw source ET MALWARE ELF/Miner Loader Activity M2 (GET) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE ELF/Miner Loader Activity M2 (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/.sherifu/"; startswith; fast_pattern;
    pcre:"/^\.(?:93joshua|purrple|black)$/";
    http.user_agent;
    content:"curl/"; startswith;
    http.header_names;
    content:!"Referer";
    reference:url,www.bitdefender.com/blog/labs/how-we-tracked-a-threat-group-running-an-active-cryptojacking-campaign;
    classtype:trojan-activity;
    sid:2033368; rev:1;
    metadata:affected_product Linux, attack_target Linux_Unix, created_at 2021_07_21, deployment Perimeter, malware_family ELF_Miner, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_21;
)

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