Versions (5)
Version DetailsCurrent
Rev: 2 • Dec 3, 2021, 12:00 PMET EXPLOIT [CISA AA21-336A] Zoho ManageEngine ServiceDesk Possible Exploitation Activity (CVE-2021-44077)
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT [CISA AA21-336A] Zoho ManageEngine ServiceDesk Possible Exploitation Activity (CVE-2021-44077)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/RestAPI/ImportTechnicians"; fast_pattern; http.request_body; content:"filename=|22|msiexec.exe|22|"; reference:url,us-cert.cisa.gov/ncas/alerts/aa21-336a; reference:cve,2021-44077; reference:url,attackerkb.com/topics/qv2aD8YfMN/cve-2021-44077/rapid7-analysis; classtype:attempted-admin; sid:2034577; rev:2; metadata:attack_target Server, created_at 2021_12_03, cve CVE_2021_44077, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, tag possible_exploitation, tag CISA_KEV, updated_at 2021_12_09, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)
Dec 3, 2021, 12:00 PM
Dec 9, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-exploit.rules