Versions (3)
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Rev: 2 • Aug 2, 2017, 12:00 PMET DOS SMBLoris NBSS Length Mem Exhaustion Attempt (PoC Based)
alert tcp any any -> $HOME_NET [139,445] (msg:"ET DOS SMBLoris NBSS Length Mem Exhaustion Attempt (PoC Based)"; flow:established,to_server; content:"|00 01 ff ff|"; depth:4; threshold:type both,track by_dst,count 30, seconds 300; reference:url,isc.sans.edu/forums/diary/SMBLoris+the+new+SMB+flaw/22662/; classtype:trojan-activity; sid:2024511; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2017_08_02, deployment Internal, performance_impact Significant, confidence High, signature_severity Major, updated_at 2019_07_26;)
Aug 2, 2017, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-dos.rules