alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS D-Link DIR820 ping.ccp Command Injection Attempt (CVE-2023-25280)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:9; content:"/ping.ccp"; fast_pattern; http.request_body; content:"ccp_act|3d|"; content:"ping_addr|3d|"; pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; reference:url,unit42.paloaltonetworks.com/mirai-variant-targets-iot-exploits/; reference:cve,2023-25280; classtype:attempted-admin; sid:2057248; rev:1; metadata:affected_product D_Link, attack_target Networking_Equipment, tls_state plaintext, created_at 2024_11_05, cve CVE_2023_25280, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2024_11_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)