Versions (5)
Version DetailsCurrent
Rev: 1 • Jun 7, 2024, 12:00 PMET HUNTING Generic POST with Common Control/Escape Character in Filename Parameter - Possible Command Injection Attempt
alert http any any -> [$HOME_NET,$HTTP_SERVERS] any (msg:"ET HUNTING Generic POST with Common Control/Escape Character in Filename Parameter - Possible Command Injection Attempt"; flow:established,to_server; http.method; content:"POST"; http.request_body; content:"Content-Disposition"; content:"filename=|22|"; fast_pattern; pcre:"/^[^\x22]+(?:\x3b|\x0a|\x26|\x60|\x7C|\x24)/R"; classtype:attempted-admin; sid:2053328; rev:1; metadata:attack_target Client_and_Server, tls_state TLSDecrypt, created_at 2024_06_07, deployment Perimeter, deployment Internal, confidence Low, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_06_07, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services; target:dest_ip;)
Jun 7, 2024, 12:00 PM
Jun 7, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 11, 2025, 10:35 PM
rules/emerging-hunting.rules