diff --git a/rules/windows/sysmon/sysmon_file_block_shredding.yml b/rules/windows/sysmon/sysmon_file_block_shredding.yml new file mode 100644 index 000000000..850eb0824 --- /dev/null +++ b/rules/windows/sysmon/sysmon_file_block_shredding.yml @@ -0,0 +1,20 @@ +title: Sysmon Blocked File Shredding +id: c3e5c1b1-45e9-4632-b242-27939c170239 +status: experimental +description: Triggers on any Sysmon file block shredding event. Which should indicates a violation of the shredding policy set +references: + - https://learn.microsoft.com/en-us/sysinternals/downloads/sysmon +author: frack113 +date: 2023/07/20 +tags: + - attack.defense_evasion +logsource: + product: windows + service: sysmon +detection: + selection: + EventID: 28 # this is fine, we want to match any FileBlockShredding event + condition: selection +falsepositives: + - Unlikely +level: high diff --git a/rules/windows/sysmon/sysmon_file_executable.yml b/rules/windows/sysmon/sysmon_file_executable.yml new file mode 100644 index 000000000..6e8062620 --- /dev/null +++ b/rules/windows/sysmon/sysmon_file_executable.yml @@ -0,0 +1,21 @@ +title: Sysmon File Executable Detected +id: 693a44e9-7f26-4cb6-b787-214867672d3a +status: experimental +description: Triggers on any Sysmon file executable event. Which should indicates a violation of the shredding policy set +references: + - https://learn.microsoft.com/en-us/sysinternals/downloads/sysmon + - https://medium.com/@olafhartong/sysmon-15-0-file-executable-detected-40fd64349f36 +author: frack113 +date: 2023/07/20 +tags: + - attack.defense_evasion +logsource: + product: windows + service: sysmon +detection: + selection: + EventID: 29 # this is fine, we want to match any FileBlockShredding event + condition: selection +falsepositives: + - Unlikely +level: medium