ET EXPLOIT Possible vRealize Operations Manager API SSRF Attempt (CVE-2021-21975)

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST /casa/nodes/thumbprints HTTP/1.1"; fast_pattern;
http.request_body;
content:"|5b|";
http.content_type;
content:"application/json|3b|charset=UTF-8"; bsize:30;
Raw source ET EXPLOIT Possible vRealize Operations Manager API SSRF Attempt (CVE-2021-21975) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (
    msg:"ET EXPLOIT Possible vRealize Operations Manager API SSRF Attempt (CVE-2021-21975)";
    flow:established,to_server;
    http.request_line;
    content:"POST /casa/nodes/thumbprints HTTP/1.1"; fast_pattern;
    http.request_body;
    content:"|5b|";
    http.content_type;
    content:"application/json|3b|charset=UTF-8"; bsize:30;
    reference:cve,2021-21975;
    classtype:attempted-admin;
    sid:2034974; rev:2;
    metadata:attack_target Server, created_at 2022_01_25, cve CVE_2021_21975, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_01_25;
)

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.