Back to Rule

Rule History

SID: 2038288 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 2Aug 9, 2022, 12:00 PM

ET HUNTING HTTP POST Request XOR Key 46

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING HTTP POST Request XOR Key 46"; flow:established,to_server; content:"|16 09 15 12 66 69|"; startswith; fast_pattern; content:"|66 0e 12 12 16 69|"; distance:0; classtype:misc-activity; sid:2038288; 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 1, 2025, 8:35 PM

rules/emerging-hunting.rules