alert http $EXTERNAL_NET any -> [$HTTP_SERVERS,$HOME_NET] any (
msg:"ET EXPLOIT Xiongmai/HiSilicon DVR - Request for Product Details Possible CVE-2017-7577 Exploit Attempt";
flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"mnt/custom/ProductDefinition"; nocase; endswith; fast_pattern;
reference:cve,2017-7577;
reference:url,vulncheck.com/blog/xiongmai-iot-exploitation;
reference:url,github.com/tothi/pwn-hisilicon-dvr/blob/master/pwn_hisilicon_dvr.py;
classtype:web-application-attack;
sid:2041450; rev:1;
metadata:attack_target IoT, created_at 2022_12_01, cve CVE_2017_7577, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_12_01;
)