ET WEB_SPECIFIC_APPS HPE Aruba Instant Authenticated Arbitrary Directory Create (cplogo-install) (CVE-2021-25156)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS HPE Aruba Instant Authenticated Arbitrary Directory Create (cplogo-install) (CVE-2021-25156)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/swarm.cgi"; fast_pattern; startswith;
    http.request_body;
    pcre:"/\x3d[^\x26]*?(?:\x09|\x2509)/";
    reference:url,alephsecurity.com/vulns/aleph-2021004;
    reference:cve,2021-25156;
    classtype:web-application-attack;
    sid:2062919; rev:1;
    metadata:affected_product HPE_Aruba, attack_target Server, created_at 2025_06_12, cve CVE_2021_25156, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, updated_at 2025_06_12, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)