Versions (4)
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Rev: 1 • Jan 24, 2024, 12:00 PMET WEB_SPECIFIC_APPS Server Response Containing search-ms URI With subquery Parameter - Possible NTLM Hash Leak Attempt
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Server Response Containing search-ms URI With subquery Parameter - Possible NTLM Hash Leak Attempt"; flow:established,to_client; file.data; content:"search-ms|3a 2f 2f|query"; content:"&subquery|3d 5c 5c|"; fast_pattern; within:50; reference:url,www.varonis.com/blog/outlook-vulnerability-new-ways-to-leak-ntlm-hashes; classtype:credential-theft; sid:2050429; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, created_at 2024_01_24, performance_impact Low, confidence Low, signature_severity Major, updated_at 2024_01_24; target:dest_ip;)
Jan 24, 2024, 12:00 PM
Jan 24, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 21, 2024, 3:00 AM
rules/emerging-web_specific_apps.rules