ET MALWARE MSIL/Black Hat Worm Checkin

Query · suricata

flow:established,to_server;
content:"|7e 5c 77 6f 72 6d 73 5c 2e 42 6c 61 63 6b 20 48 61 74 20 57 6f 72 6d|"; startswith;
content:"|62 6c 61 63 6b 20 68 61 74|"; distance:0;
Raw source ET MALWARE MSIL/Black Hat Worm Checkin · 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 any (
    msg:"ET MALWARE MSIL/Black Hat Worm Checkin";
    flow:established,to_server;
    content:"|7e 5c 77 6f 72 6d 73 5c 2e 42 6c 61 63 6b 20 48 61 74 20 57 6f 72 6d|"; startswith;
    content:"|62 6c 61 63 6b 20 68 61 74|"; distance:0;
    reference:md5,bfa67c998ebedf8ab17e2d8898d0067d;
    classtype:command-and-control;
    sid:2033716; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_08_12, deployment Perimeter, malware_family MSIL_Black, performance_impact Low, confidence High, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_13;
)

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