alert http $EXTERNAL_NET any -> $HTTP_SERVERS any (msg:"ET WEB_SPECIFIC_APPS GitStack - Unsanitized Argument Remote Code Execution"; flow:established,to_server; http.uri; content:"p="; content:".git&a="; fast_pattern; http.header; content:"Authorization|3a 20|Basic"; pcre:"/(?:Y21kIC9jIHBvd2Vyc2hlbGwuZXhl|NtZCAvYyBwb3dlcnNoZWxsLmV4Z|jbWQgL2MgcG93ZXJzaGVsbC5leG)/Ri"; reference:cve,2018-5955; reference:url,exploit-db.com/exploits/44356/; classtype:attempted-user; sid:2025830; rev:2; metadata:attack_target Web_Server, created_at 2018_07_12, cve CVE_2018_5955, deployment Datacenter, performance_impact Low, signature_severity Major, updated_at 2020_08_25, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;)