Versions (5)
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Rev: 1 • Aug 20, 2021, 12:00 PMET EXPLOIT Possible Microsoft Exchange ProxyLogon Activity - OABVirtualDirectory SetObject (CVE-2021-27065)
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Possible Microsoft Exchange ProxyLogon Activity - OABVirtualDirectory SetObject (CVE-2021-27065)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/ecp/"; content:"/SetObject?"; content:"schema=OABVirtualDirectory"; fast_pattern; http.header; content:"msExchLogonMailbox|3a|"; http.request_body; content:"__type"; content:"Microsoft.Exchange.Management.ControlPanel"; distance:0; content:"ExternalUrl"; distance:0; reference:url,github.com/praetorian-inc/proxylogon-exploit/blob/main/exploit.py; reference:cve,2021-27065; classtype:attempted-admin; sid:2033754; rev:1; metadata:attack_target Server, created_at 2021_08_20, cve CVE_2021_27065, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2021_08_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)
Aug 20, 2021, 12:00 PM
Aug 20, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 21, 2024, 3:00 AM
rules/emerging-exploit.rules