Versions (3)
Version DetailsCurrent
Rev: 2 • Aug 9, 2022, 12:00 PMET HUNTING HTTP GET Request XOR Key 0d
alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING HTTP GET Request XOR Key 0d"; flow:established,to_server; content:"|4a 48 59 2d 22|"; startswith; fast_pattern; content:"|2d 45 59 59 5d 22|"; distance:0; classtype:misc-activity; sid:2037977; rev:2; metadata:attack_target Client_and_Server, created_at 2022_08_09, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_10, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information;)
Aug 9, 2022, 12:00 PM
Aug 10, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 2, 2025, 9:35 PM
rules/emerging-hunting.rules