diff --git a/rules/windows/process_creation/proc_creation_win_msra_process_injection.yml b/rules/windows/process_creation/proc_creation_win_msra_process_injection.yml new file mode 100644 index 000000000..9cf409ee3 --- /dev/null +++ b/rules/windows/process_creation/proc_creation_win_msra_process_injection.yml @@ -0,0 +1,32 @@ +title: Msra.exe Process Injection +id: 744a188b-0415-4792-896f-11ddb0588dbc +status: experimental +description: Detects process injection using Microsoft Remote Asssistance (Msra.exe) which has been used for discovery and persistence tactics +author: Alexander McDonald +date: 2022/06/24 +references: + - https://www.microsoft.com/security/blog/2021/12/09/a-closer-look-at-qakbots-latest-building-blocks-and-how-to-knock-them-down/ + - https://www.fortinet.com/content/dam/fortinet/assets/analyst-reports/ar-qakbot.pdf +logsource: + category: process_creation + product: windows +detection: + selection: + ParentImage|endswith: '\msra.exe' + ParentCommandLine|endswith: 'msra.exe' + Image|endswith: + - '\arp.exe' + - '\cmd.exe' + - '\net.exe' + - '\netstat.exe' + - '\nslookup.exe' + - '\route.exe' + - '\schtasks.exe' + - '\whoami.exe' + condition: selection +falsepositives: + - Legitimate use of Msra.exe +level: high +tags: + - attack.defense_evasion + - attack.t1055