ET ADWARE_PUP NivesroCheat CnC Activity M2

Query · suricata

flow:established,to_server;
http.uri;
content:"version.php?a="; fast_pattern;
content:!"&"; distance:0;
http.accept;
content:"text/*"; bsize:6;
http.header_names;
content:"|0d 0a|Accept|0d 0a|Host|0d 0a|"; startswith;
Raw source ET ADWARE_PUP NivesroCheat CnC Activity M2 · 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 ADWARE_PUP NivesroCheat CnC Activity M2";
    flow:established,to_server;
    http.uri;
    content:"version.php?a="; fast_pattern;
    content:!"&"; distance:0;
    http.accept;
    content:"text/*"; bsize:6;
    http.header_names;
    content:"|0d 0a|Accept|0d 0a|Host|0d 0a|"; startswith;
    reference:md5,6aaa1742b89bd72be6ee50709fc457ab;
    classtype:trojan-activity;
    sid:2033222; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_07_02, deployment Perimeter, confidence High, signature_severity Major, tag c2, updated_at 2021_07_02, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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