From f7333c535877e778e1a52f1ff7b488c19f0b61fe Mon Sep 17 00:00:00 2001 From: "github-actions[bot]" <41898282+github-actions[bot]@users.noreply.github.com> Date: Tue, 19 May 2026 21:13:26 +0000 Subject: [PATCH] Sigma Rule Update (2026-05-19 21:13:17) (#348) Co-authored-by: YamatoSecurity --- config/security_rules.json | 236 ++++++++++++++++++------------------- 1 file changed, 118 insertions(+), 118 deletions(-) diff --git a/config/security_rules.json b/config/security_rules.json index 8bde28a4..32e266ef 100644 --- a/config/security_rules.json +++ b/config/security_rules.json @@ -2730,8 +2730,8 @@ "T1570", "TA0002", "T1569.002", - "T1021", - "T1569" + "T1569", + "T1021" ], "title": "Rundll32 Execution Without Parameters" }, @@ -4476,8 +4476,8 @@ "T1059.007", "T1218.005", "T1027.004", - "T1027", "T1059", + "T1027", "T1218" ], "title": "Csc.EXE Execution Form Potentially Suspicious Parent" @@ -6278,8 +6278,8 @@ "T1053.005", "T1036.004", "T1036.005", - "T1036", - "T1053" + "T1053", + "T1036" ], "title": "Scheduled Task Creation Masquerading as System Processes" }, @@ -7598,8 +7598,8 @@ "T1564.004", "T1552.001", "T1105", - "T1552", - "T1564" + "T1564", + "T1552" ], "title": "Remote File Download Via Findstr.EXE" }, @@ -8806,8 +8806,8 @@ "T1059.001", "T1059.003", "T1564.003", - "T1059", - "T1564" + "T1564", + "T1059" ], "title": "Powershell Executed From Headless ConHost Process" }, @@ -9109,9 +9109,9 @@ "T1218.007", "TA0002", "T1059.001", - "T1059", + "T1218", "T1027", - "T1218" + "T1059" ], "title": "Obfuscated PowerShell MSI Install via WindowsInstaller COM" }, @@ -9727,12 +9727,12 @@ "T1547.002", "T1557", "T1082", + "T1564", + "T1574", "T1547", - "T1505", "T1556", "T1546", - "T1574", - "T1564" + "T1505" ], "title": "Potential Suspicious Activity Using SeCEdit" }, @@ -10151,8 +10151,8 @@ "T1482", "T1069.002", "stp.1u", - "T1087", - "T1069" + "T1069", + "T1087" ], "title": "PUA - AdFind Suspicious Execution" }, @@ -10490,8 +10490,8 @@ "T1218.011", "TA0006", "T1003.001", - "T1003", - "T1218" + "T1218", + "T1003" ], "title": "Process Access via TrolleyExpress Exclusion" }, @@ -12703,9 +12703,9 @@ "T1069.002", "TA0002", "T1059.001", - "T1069", "T1059", - "T1087" + "T1087", + "T1069" ], "title": "HackTool - Bloodhound/Sharphound Execution" }, @@ -13074,8 +13074,8 @@ "TA0003", "T1053.005", "T1059.001", - "T1059", - "T1053" + "T1053", + "T1059" ], "title": "Suspicious Schtasks Execution AppData Folder" }, @@ -13786,8 +13786,8 @@ "T1021.004", "TA0011", "T1219", - "T1021", - "T1059" + "T1059", + "T1021" ], "title": "OpenEDR Spawning Command Shell" }, @@ -14104,8 +14104,8 @@ "attack.stealth", "T1059.001", "T1564.003", - "T1059", - "T1564" + "T1564", + "T1059" ], "title": "HackTool - Covenant PowerShell Launcher" }, @@ -17449,8 +17449,8 @@ "T1558.003", "TA0008", "T1550.003", - "T1558", - "T1550" + "T1550", + "T1558" ], "title": "HackTool - Rubeus Execution" }, @@ -17832,8 +17832,8 @@ "TA0002", "T1059.007", "cve.2020-1599", - "T1059", - "T1218" + "T1218", + "T1059" ], "title": "MSHTA Execution with Suspicious File Extensions" }, @@ -18717,8 +18717,8 @@ "T1047", "T1204.002", "T1218.010", - "T1218", - "T1204" + "T1204", + "T1218" ], "title": "Suspicious Microsoft Office Child Process" }, @@ -20474,8 +20474,8 @@ "attack.stealth", "T1059.006", "T1027.010", - "T1027", - "T1059" + "T1059", + "T1027" ], "title": "Python One-Liners with Base64 Decoding" }, @@ -20563,8 +20563,8 @@ "T1087.002", "T1069.002", "T1482", - "T1087", - "T1069" + "T1069", + "T1087" ], "title": "Suspicious Active Directory Database Snapshot Via ADExplorer" }, @@ -21142,8 +21142,8 @@ "TA0003", "T1053.005", "T1059.001", - "T1059", - "T1053" + "T1053", + "T1059" ], "title": "Scheduled Task Executing Encoded Payload from Registry" }, @@ -22436,8 +22436,8 @@ "attack.stealth", "T1548.002", "T1218.003", - "T1218", - "T1548" + "T1548", + "T1218" ], "title": "Bypass UAC via CMSTP" }, @@ -25051,8 +25051,8 @@ "attack.stealth", "T1059.001", "T1036.003", - "T1059", - "T1036" + "T1036", + "T1059" ], "title": "Renamed Powershell Under Powershell Channel" }, @@ -25074,8 +25074,8 @@ "T1059.001", "TA0008", "T1021.006", - "T1021", - "T1059" + "T1059", + "T1021" ], "title": "Remote PowerShell Session (PS Classic)" }, @@ -25133,8 +25133,8 @@ "T1059.001", "TA0008", "T1021.003", - "T1021", - "T1059" + "T1059", + "T1021" ], "title": "Suspicious Non PowerShell WSMAN COM Provider" }, @@ -26507,8 +26507,8 @@ "T1059.001", "TA0003", "T1136.001", - "T1136", - "T1059" + "T1059", + "T1136" ], "title": "PowerShell Create Local User" }, @@ -27395,8 +27395,8 @@ "T1564.004", "TA0002", "T1059.001", - "T1564", - "T1059" + "T1059", + "T1564" ], "title": "NTFS Alternate Data Stream" }, @@ -29139,8 +29139,8 @@ "T1059.001", "TA0008", "T1021.006", - "T1059", - "T1021" + "T1021", + "T1059" ], "title": "Remote PowerShell Session (PS Module)" }, @@ -30118,9 +30118,9 @@ "T1021.002", "attack.s0039", "detection.threat-hunting", + "T1069", "T1087", - "T1021", - "T1069" + "T1021" ], "title": "Net.EXE Execution" }, @@ -31812,9 +31812,9 @@ "T1027.010", "T1547.001", "detection.threat-hunting", + "T1547", "T1059", - "T1027", - "T1547" + "T1027" ], "title": "Registry Set With Crypto-Classes From The \"Cryptography\" PowerShell Namespace" }, @@ -32281,8 +32281,8 @@ "T1071.004", "TA0002", "T1059.003", - "T1059", - "T1071" + "T1071", + "T1059" ], "title": "Network Connection Initiated via Finger.EXE" }, @@ -33791,9 +33791,9 @@ "T1485", "T1553.002", "attack.s0195", - "T1070", + "T1027", "T1553", - "T1027" + "T1070" ], "title": "Potential Secure Deletion with SDelete" }, @@ -34587,9 +34587,9 @@ "T1021.002", "T1543.003", "T1569.002", - "T1569", + "T1021", "T1543", - "T1021" + "T1569" ], "title": "CobaltStrike Service Installations - Security" }, @@ -34734,8 +34734,8 @@ "T1570", "TA0002", "T1569.002", - "T1021", - "T1569" + "T1569", + "T1021" ], "title": "Metasploit Or Impacket Service Installation Via SMB PsExec" }, @@ -36250,8 +36250,8 @@ "T1003.006", "T1569.002", "attack.s0005", - "T1569", - "T1003" + "T1003", + "T1569" ], "title": "Credential Dumping Tools Service Execution - Security" }, @@ -37171,8 +37171,8 @@ "TA0003", "T1548.002", "T1546.001", - "T1546", - "T1548" + "T1548", + "T1546" ], "title": "Suspicious Shell Open Command Registry Modification" }, @@ -37485,8 +37485,8 @@ "attack.stealth", "T1204.004", "T1027.010", - "T1204", - "T1027" + "T1027", + "T1204" ], "title": "Suspicious Space Characters in TypedPaths Registry Path - FileFix" }, @@ -38126,8 +38126,8 @@ "attack.stealth", "T1204.004", "T1027.010", - "T1204", - "T1027" + "T1027", + "T1204" ], "title": "Suspicious Space Characters in RunMRU Registry Path - ClickFix" }, @@ -39688,8 +39688,8 @@ "TA0003", "T1547.001", "T1546.009", - "T1547", - "T1546" + "T1546", + "T1547" ], "title": "Session Manager Autorun Keys Modification" }, @@ -40478,9 +40478,9 @@ "T1021.002", "T1543.003", "T1569.002", - "T1569", "T1021", - "T1543" + "T1543", + "T1569" ], "title": "Potential CobaltStrike Service Installations - Registry" }, @@ -42364,9 +42364,9 @@ "TA0011", "T1071.004", "detection.emerging-threats", - "T1543", "T1071", - "T1053" + "T1053", + "T1543" ], "title": "OilRig APT Registry Persistence" }, @@ -42430,9 +42430,9 @@ "TA0011", "T1071.004", "detection.emerging-threats", - "T1543", "T1071", - "T1053" + "T1053", + "T1543" ], "title": "OilRig APT Schedule Task Persistence - System" }, @@ -42465,8 +42465,8 @@ "TA0011", "T1071.004", "detection.emerging-threats", - "T1543", "T1071", + "T1543", "T1053" ], "title": "OilRig APT Schedule Task Persistence - Security" @@ -42494,8 +42494,8 @@ "T1218.011", "car.2013-10-002", "detection.emerging-threats", - "T1218", - "T1059" + "T1059", + "T1218" ], "title": "Sofacy Trojan Loader Activity" }, @@ -42703,8 +42703,8 @@ "T1053.005", "T1059.006", "detection.emerging-threats", - "T1059", - "T1053" + "T1053", + "T1059" ], "title": "Serpent Backdoor Payload Execution Via Scheduled Task" }, @@ -43465,8 +43465,8 @@ "T1059.001", "T1218.005", "detection.emerging-threats", - "T1218", - "T1059" + "T1059", + "T1218" ], "title": "Potential Baby Shark Malware Activity" }, @@ -43783,8 +43783,8 @@ "T1053.005", "T1059.001", "detection.emerging-threats", - "T1036", "T1053", + "T1036", "T1059" ], "title": "Operation Wocao Activity" @@ -43816,9 +43816,9 @@ "T1053.005", "T1059.001", "detection.emerging-threats", - "T1036", "T1053", - "T1059" + "T1059", + "T1036" ], "title": "Operation Wocao Activity - Security" }, @@ -45663,8 +45663,8 @@ "T1105", "T1036.005", "detection.emerging-threats", - "T1036", - "T1059" + "T1059", + "T1036" ], "title": "Greenbug Espionage Group Indicators" }, @@ -45966,9 +45966,9 @@ "T1003.001", "car.2016-04-002", "detection.emerging-threats", - "T1218", + "T1003", "T1685", - "T1003" + "T1218" ], "title": "NotPetya Ransomware Activity" }, @@ -46165,8 +46165,8 @@ "T1566.001", "cve.2017-11882", "detection.emerging-threats", - "T1566", - "T1204" + "T1204", + "T1566" ], "title": "Droppers Exploiting CVE-2017-11882" }, @@ -46193,8 +46193,8 @@ "T1566.001", "cve.2017-0261", "detection.emerging-threats", - "T1566", - "T1204" + "T1204", + "T1566" ], "title": "Exploit for CVE-2017-0261" }, @@ -46337,8 +46337,8 @@ "T1059.001", "attack.s0183", "detection.emerging-threats", - "T1071", - "T1059" + "T1059", + "T1071" ], "title": "Kalambur Backdoor Curl TOR SOCKS Proxy Execution" }, @@ -46844,8 +46844,8 @@ "T1134.002", "T1036.005", "detection.emerging-threats", - "T1134", - "T1036" + "T1036", + "T1134" ], "title": "RedSun - Conhost.exe Spawned by TieringEngineService.exe" }, @@ -48640,8 +48640,8 @@ "T1218.010", "TA0002", "TA0005", - "T1204", - "T1218" + "T1218", + "T1204" ], "title": "WMI Execution Via Office Process" }, @@ -49758,8 +49758,8 @@ "T1218.010", "TA0002", "TA0005", - "T1204", - "T1218" + "T1218", + "T1204" ], "title": "Office Applications Spawning Wmi Cli Alternate" }, @@ -50117,8 +50117,8 @@ "T1218.010", "TA0002", "TA0005", - "T1204", - "T1218" + "T1218", + "T1204" ], "title": "New Lolbin Process by Office Applications" }, @@ -50359,8 +50359,8 @@ "T1218.010", "TA0002", "TA0005", - "T1204", - "T1218" + "T1218", + "T1204" ], "title": "Excel Proxy Executing Regsvr32 With Payload" }, @@ -51174,8 +51174,8 @@ "TA0004", "T1543.003", "T1569.002", - "T1543", - "T1569" + "T1569", + "T1543" ], "title": "Sliver C2 Default Service Installation" }, @@ -51675,8 +51675,8 @@ "TA0004", "T1543.003", "T1569.002", - "T1569", - "T1543" + "T1543", + "T1569" ], "title": "ProcessHacker Privilege Elevation" }, @@ -52372,8 +52372,8 @@ "attack.defense-impairment", "T1204.002", "T1553.005", - "T1204", - "T1553" + "T1553", + "T1204" ], "title": "Windows AppX Deployment Unsigned Package Installation" }, @@ -55413,9 +55413,9 @@ "T1021.002", "T1569.002", "T1569", - "T1543", + "T1021", "T1136", - "T1021" + "T1543" ], "title": "PSExec Lateral Movement" },