ET MALWARE RedditC2 Related Activity M2 (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.user_agent;
content:"Mozilla/5.0|20 28|Windows|20|NT|20|10.0|3b 20|Win64|3b 20|x64|29 20|AppleWebKit/537.36|20 28|KHTML|2c 20|like|20|Gecko|29 20|Chrome/74.0.3729.169|20|Safari/537.36"; bsize:115; fast_pattern;
http.request_body;
content:"text=out"; startswith;
http.header_names;
content:!"Referer";
target:src_ip;
Raw source ET MALWARE RedditC2 Related Activity M2 (POST) · 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 RedditC2 Related Activity M2 (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.user_agent;
    content:"Mozilla/5.0|20 28|Windows|20|NT|20|10.0|3b 20|Win64|3b 20|x64|29 20|AppleWebKit/537.36|20 28|KHTML|2c 20|like|20|Gecko|29 20|Chrome/74.0.3729.169|20|Safari/537.36"; bsize:115; fast_pattern;
    http.request_body;
    content:"text=out"; startswith;
    http.header_names;
    content:!"Referer";
    reference:url,github.com/kleiton0x00/RedditC2/;
    classtype:trojan-activity;
    sid:2042942; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_12_15, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_15;
    target:src_ip;
)

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