ET MALWARE Cyborg Ransomware - Downloading Desktop Background

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
http.server; bsize:8;
content:"HotCores";
http.content_type; bsize:10;
content:"image/jpeg";
http.header;
content:"Content-Disposition|3a 20|inline|3b 20|filename=|22|Cyborg_DECRYPT.jpg|22 0d 0a|"; fast_pattern;
Raw source ET MALWARE Cyborg Ransomware - Downloading Desktop Background · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Cyborg Ransomware - Downloading Desktop Background";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.server; bsize:8;
    content:"HotCores";
    http.content_type; bsize:10;
    content:"image/jpeg";
    http.header;
    content:"Content-Disposition|3a 20|inline|3b 20|filename=|22|Cyborg_DECRYPT.jpg|22 0d 0a|"; fast_pattern;
    reference:md5,2505b0efde03f5d3c66984e6f7c5bcc1;
    classtype:trojan-activity;
    sid:2029052; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_11_25, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_11_25, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.