ET WEB_SPECIFIC_APPS Ivanti Endpoint Manager Mobile Unauthenticated Remote Code Execution (CVE-2026-1281 & CVE-2026-1340)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Ivanti Endpoint Manager Mobile Unauthenticated Remote Code Execution (CVE-2026-1281 & CVE-2026-1340)";
    flow:established,to_server;
    http.uri;
    content:"/mifs/c/"; startswith;
    content:"/fob/3/"; distance:0;
    content:"sha256|3a|"; distance:0;
    content:"st|3d|theValue"; fast_pattern; distance:0;
    content:"h|3d|";
    pcre:"/^(?:gPath|ret)(?:\x5b|\x25(?:25)?5[bB])(?:(?!\x25(?:25)?5[dD]|\x5d).)+(?:[\x3b\x24\x26\x60\x7c]|\x25(?:3[bB]|2[46]|60|7[cC]))/R";
    reference:url,labs.watchtowr.com/someone-knows-bash-far-too-well-and-we-love-it-ivanti-epmm-pre-auth-rces-cve-2026-1281-cve-2026-1340/;
    reference:cve,2026-1281;
    reference:cve,2026-1340;
    classtype:web-application-attack;
    sid:2067230; rev:2;
    metadata:affected_product Ivanti, attack_target Server, tls_state TLSDecrypt, created_at 2026_01_30, cve CVE_2026_1281_CVE_2026_1340, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2026_02_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)