alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET EXPLOIT Tenda OS Command Injection (CVE-2020-10987) (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"goform/setUsbUnload"; nocase; fast_pattern; content:"deviceName="; nocase; distance:0; content:"|3b|"; distance:0; pcre:"/deviceName=[^&$]+\x3b/"; reference:url,cybersecurity.att.com/blogs/labs-research/att-alien-labs-finds-new-golang-malwarebotenago-targeting-millions-of-routers-and-iot-devices-with-more-than-30-exploits; reference:cve,2020-10987; classtype:attempted-admin; sid:2034489; rev:3; metadata:attack_target Server, created_at 2021_11_17, cve CVE_2020_10987, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2023_02_04, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)