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SID: 2053328 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 1Jun 7, 2024, 12:00 PM

ET 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