ET EXPLOIT Possible VMware Cloud Director RCE Attempt (CVE-2020-3956)

Query · suricata

flow:established,to_server;
http.method;
content:"PUT";
http.cookie;
content:"vcloud_jwt="; startswith;
http.request_body;
content:"|3a|Host|3e 24 7b|";
content:".getDeclaredConstructors|28 29 5b|"; distance:0; fast_pattern;
flowbits:set,ET.20203956;

Rule dependencies

Feeds into

Raw source ET EXPLOIT Possible VMware Cloud Director RCE Attempt (CVE-2020-3956) · 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 -> $HTTP_SERVERS any (
    msg:"ET EXPLOIT Possible VMware Cloud Director RCE Attempt (CVE-2020-3956)";
    flow:established,to_server;
    http.method;
    content:"PUT";
    http.cookie;
    content:"vcloud_jwt="; startswith;
    http.request_body;
    content:"|3a|Host|3e 24 7b|";
    content:".getDeclaredConstructors|28 29 5b|"; distance:0; fast_pattern;
    flowbits:set,ET.20203956;
    reference:url,citadelo.com/en/blog/full-infrastructure-takeover-of-vmware-cloud-director-CVE-2020-3956/;
    classtype:attempted-admin;
    sid:2030240; rev:1;
    metadata:affected_product VMware, attack_target Server, created_at 2020_06_02, cve CVE_2020_3956, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2020_06_02;
)

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