diff --git a/rules/windows/process_creation/proc_creation_win_ntfs_short_name_use.yml b/rules/windows/process_creation/proc_creation_win_ntfs_short_name_use.yml new file mode 100644 index 000000000..4dea126c3 --- /dev/null +++ b/rules/windows/process_creation/proc_creation_win_ntfs_short_name_use.yml @@ -0,0 +1,24 @@ +title: Use NTFS Short Name in Command Line +id: dd6b39d9-d9be-4a3b-8fe0-fe3c6a5c1795 +status: experimental +description: Detect use of the Windows 8.3 short name. Which could be used as a method to avoid command-line detection +author: frack113, Nasreddine Bencherchali +references: + - https://www.acunetix.com/blog/articles/windows-short-8-3-filenames-web-security-problem/ + - https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-2000-server/cc959352(v=technet.10)?redirectedfrom=MSDN +date: 2022/08/05 +logsource: + category: process_creation + product: windows +detection: + selection: + CommandLine|contains: + - '~1.' + - '~2.' + condition: selection +falsepositives: + - Applications could use this notation occasionally which might generate some false positives. In that case Investigate the parent and child process. +level: medium +tags: + - attack.defense_evasion + - attack.t1564.004