ET MALWARE Redline Stealer TCP CnC Activity

Query · suricata

flow:established,to_server;
dsize:<60;
content:"|00 01 00 01 02 02 21|net|2e|tcp|3a 2f 2f|"; startswith; fast_pattern;
content:"|2f 03 08 0c|"; endswith;
Raw source ET MALWARE Redline Stealer TCP CnC Activity · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $HOME_NET any -> $EXTERNAL_NET 1024: (
    msg:"ET MALWARE Redline Stealer TCP CnC Activity";
    flow:established,to_server;
    dsize:<60;
    content:"|00 01 00 01 02 02 21|net|2e|tcp|3a 2f 2f|"; startswith; fast_pattern;
    content:"|2f 03 08 0c|"; endswith;
    reference:md5,b8c2aef5c38e827a7773c2efd0cfe310;
    reference:url,twitter.com/crep1x/status/1666132533912776725;
    classtype:trojan-activity;
    sid:2046104; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_06_06, deployment Perimeter, malware_family Redline, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_06;
)

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