diff --git a/rules/linux/auditd/lnx_auditd_system_info_discovery2.yml b/rules/linux/auditd/lnx_auditd_system_info_discovery2.yml new file mode 100644 index 000000000..60f5afa4f --- /dev/null +++ b/rules/linux/auditd/lnx_auditd_system_info_discovery2.yml @@ -0,0 +1,35 @@ +title: System Information Discovery +id: 1f358e2e-cb63-43c3-b575-dfb072a6814f +related: + - id: 42df45e7-e6e9-43b5-8f26-bec5b39cc239 + type: derived +status: stable +description: Detects system information discovery commands +author: Ömer Günal, oscd.community +date: 2020/10/08 +modified: 2020/05/30 +references: + - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1082/T1082.md +tags: + - attack.discovery + - attack.t1082 +logsource: + product: linux + service: auditd +detection: + selection: + type: 'PATH' + name: + - '/sys/class/dmi/id/bios_version' + - '/sys/class/dmi/id/product_name' + - '/sys/class/dmi/id/chassis_vendor' + - '/proc/scsi/scsi' + - '/proc/ide/hd0/model' + - '/proc/version' + - '/etc/*version' + - '/etc/*release' + - '/etc/issue' + condition: selection +falsepositives: + - Legitimate administration activities +level: informational \ No newline at end of file diff --git a/rules/linux/lnx_system_info_discovery.yml b/rules/linux/lnx_system_info_discovery.yml index f8b68956e..21f1c28b4 100644 --- a/rules/linux/lnx_system_info_discovery.yml +++ b/rules/linux/lnx_system_info_discovery.yml @@ -1,5 +1,5 @@ -action: global title: System Information Discovery +id: 42df45e7-e6e9-43b5-8f26-bec5b39cc239 status: stable description: Detects system information discovery commands author: Ömer Günal, oscd.community @@ -7,14 +7,9 @@ date: 2020/10/08 modified: 2020/05/30 references: - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1082/T1082.md -falsepositives: - - Legitimate administration activities -level: informational tags: - attack.discovery - attack.t1082 ---- -id: 42df45e7-e6e9-43b5-8f26-bec5b39cc239 logsource: product: linux category: process_creation @@ -29,22 +24,6 @@ detection: - '/lscpu' - '/lsmod' condition: selection ---- -id: 1f358e2e-cb63-43c3-b575-dfb072a6814f -logsource: - product: linux - service: auditd -detection: - selection: - type: 'PATH' - name: - - '/sys/class/dmi/id/bios_version' - - '/sys/class/dmi/id/product_name' - - '/sys/class/dmi/id/chassis_vendor' - - '/proc/scsi/scsi' - - '/proc/ide/hd0/model' - - '/proc/version' - - '/etc/*version' - - '/etc/*release' - - '/etc/issue' - condition: selection +falsepositives: + - Legitimate administration activities +level: informational \ No newline at end of file