Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING schtasks delete Command in HTTP Body Response"; flow:established,to_client; http.stat_code; content:"200"; http.response_body; content:"schtasks"; fast_pattern; nocase; pcre:"/^.*?\x2fdelete.*?\x2ftn/Ri"; reference:url,learn.microsoft.com/en-us/windows-server/administration/windows-commands/schtasks; classtype:bad-unknown; sid:2064623; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_and_Server, tls_state plaintext, created_at 2025_09_12, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_15, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1570, mitre_technique_name Lateral_Tool_Transfer; target:dest_ip;)