Versions (3)
Version DetailsCurrent
Rev: 3 • Aug 9, 2024, 12:00 PM🐾 - 🚨 Suspicious Windows 11 🪟 Powershell TLSv1.2 connection to SMTPS port - Possible encrypted exfiltration - T1048.002 - Seen in 🐍 SnakeKeylogger ⌨ attack
alert tls $HOME_NET any -> $EXTERNAL_NET 587 (msg:"🐾 - 🚨 Suspicious Windows 11 🪟 Powershell TLSv1.2 connection to SMTPS port - Possible encrypted exfiltration - T1048.002 - Seen in 🐍 SnakeKeylogger ⌨ attack"; flow:to_server, stateless; ja3.hash; content:"6a5d235ee78c6aede6a61448b4e9ff1e"; ssl_version:tls1.2; reference:url,https://attack.mitre.org/techniques/T1048/002/; reference:url,https://x-junior.github.io/malware%20analysis/2022/06/24/Snakekeylogger.html; reference:url,https://malpedia.caad.fkie.fraunhofer.de/details/win.404keylogger; reference:url,https://samples.vx-underground.org/Papers/Malware%20Defense/Malware%20Analysis/2024/2024-06-30%20-%20Deep%20Analysis%20of%20Snake%20(404%20keylogger).pdf; target:src_ip; metadata:attack_target Client_and_Server, signature_severity Major, affected_product Windows_XP_Vista_7_8_10_11_Server_32_64_Bit, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1048_002, mitre_technique_name Exfiltration_Over_Alternative_Protocol_Exfiltration_Over_Asymmetric_Encrypted_Non-C2_Protocol, created_at 2024_08_09, updated_at 2024_08_15; sid:3321331; rev:3; classtype:targeted-activity;)
Aug 9, 2024, 12:00 PM
Aug 15, 2024, 12:00 PM
Aug 9, 2024, 10:02 PM
May 29, 2025, 11:12 PM
rules/PAW-PATRULES_MALWARES.rules