ET EXPLOIT Chrome V8 Shellcode Inject Attempt

Query · suricata

flow:established,to_client;
http.response_body;
content:"var|20|tDerivedNCount|20 3d 20|17|20 2a 20|87481|20 2d 20|8|3b|"; fast_pattern;
content:"var|20|tDerivedNDepth|20 3d 20|19|20 2a 20|19|3b|"; distance:0;
content:"function|20|cb|28|flag|29|"; distance:0;
target:dest_ip;
Raw source ET EXPLOIT Chrome V8 Shellcode Inject Attempt · 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 EXPLOIT Chrome V8 Shellcode Inject Attempt";
    flow:established,to_client;
    http.response_body;
    content:"var|20|tDerivedNCount|20 3d 20|17|20 2a 20|87481|20 2d 20|8|3b|"; fast_pattern;
    content:"var|20|tDerivedNDepth|20 3d 20|19|20 2a 20|19|3b|"; distance:0;
    content:"function|20|cb|28|flag|29|"; distance:0;
    classtype:attempted-admin;
    sid:2065595; rev:1;
    metadata:affected_product Web_Browsers, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_10_30, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_30, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;
    target:dest_ip;
)

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.