Rule History

alert http [$HOME_NET,$HTTP_SERVERS] any -> $EXTERNAL_NET any (msg:"ET WEB_SPECIFIC_APPS ConnectWise ScreenConnect - Successful SetupWizard Auth Bypass CWE-288 (CVE-2024-1709)"; flow:established,to_client; flowbits:isset,ET.ScreenConnectAuthBypass.Attempt; http.stat_code; content:"200"; http.server; content:"ScreenConnect/"; startswith; fast_pattern; http.response_body; content:"wizard"; nocase; threshold:type limit, count 1, seconds 3600, track by_src; reference:url,www.connectwise.com/company/trust/security-bulletins/connectwise-screenconnect-23.9.8; reference:cve,2024-1709; classtype:successful-admin; sid:2050989; rev:1; metadata:attack_target Web_Server, tls_state TLSDecrypt, created_at 2024_02_21, cve CVE_2024_1709, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Critical, tag CISA_KEV, updated_at 2024_02_21, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:src_ip;)