alert http any any -> $HOME_NET any (
msg:"ET EXPLOIT ZBL EPON ONU Broadband Router Remote Privilege Escalation Inbound M2";
flow:established,to_server;
flowbits:set,ZBLEPON.1;
http.method;
content:"GET";
http.uri;
content:"/system_password.asp"; endswith; fast_pattern;
reference:url,packetstormsecurity.com/files/162065/ZSL-2021-5467.txt?fbclid=IwAR1tqSxa3jMQFiV3Kipj3pzIei4ucuIZv2tMzqCiYtoYrIxN4GgZBEgfquQ;
classtype:attempted-admin;
sid:2032781; rev:1;
metadata:attack_target Networking_Equipment, created_at 2021_04_19, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_19;
)