From 99386561344e52580f2764466a38c578444c263d Mon Sep 17 00:00:00 2001 From: "github-actions[bot]" <41898282+github-actions[bot]@users.noreply.github.com> Date: Mon, 3 Nov 2025 20:16:30 +0000 Subject: [PATCH] Sigma Rule Update (2025-11-03 20:16:24) (#139) Co-authored-by: YamatoSecurity --- config/security_rules.json | 288 +++++++++++++++++++++---------------- 1 file changed, 168 insertions(+), 120 deletions(-) diff --git a/config/security_rules.json b/config/security_rules.json index 8838749d..f9ce0ebd 100644 --- a/config/security_rules.json +++ b/config/security_rules.json @@ -344,8 +344,8 @@ "T1059.001", "TA0008", "T1021.003", - "T1059", - "T1021" + "T1021", + "T1059" ], "title": "Suspicious Non PowerShell WSMAN COM Provider" }, @@ -424,8 +424,8 @@ "T1059.001", "TA0008", "T1021.006", - "T1021", - "T1059" + "T1059", + "T1021" ], "title": "Remote PowerShell Session (PS Classic)" }, @@ -1149,8 +1149,8 @@ "T1529", "attack.g0091", "attack.s0363", - "T1059", - "T1071" + "T1071", + "T1059" ], "title": "Silence.EDA Detection" }, @@ -2194,8 +2194,8 @@ "T1558.003", "TA0008", "T1550.003", - "T1550", - "T1558" + "T1558", + "T1550" ], "title": "HackTool - Rubeus Execution - ScriptBlock" }, @@ -4350,8 +4350,8 @@ "T1059.001", "TA0008", "T1021.006", - "T1059", - "T1021" + "T1021", + "T1059" ], "title": "Remote PowerShell Session (PS Module)" }, @@ -4838,8 +4838,8 @@ "T1059.005", "T1059.006", "T1059.007", - "T1059", - "T1204" + "T1204", + "T1059" ], "title": "File Was Not Allowed To Run" }, @@ -5531,8 +5531,8 @@ "T1218.007", "TA0002", "T1059.001", - "T1218", "T1027", + "T1218", "T1059" ], "title": "Obfuscated PowerShell MSI Install via WindowsInstaller COM" @@ -6179,8 +6179,8 @@ "TA0002", "T1059.007", "cve.2020-1599", - "T1059", - "T1218" + "T1218", + "T1059" ], "title": "MSHTA Execution with Suspicious File Extensions" }, @@ -7485,8 +7485,8 @@ "TA0003", "T1053.005", "T1059.001", - "T1059", - "T1053" + "T1053", + "T1059" ], "title": "Scheduled Task Executing Encoded Payload from Registry" }, @@ -8558,8 +8558,8 @@ "TA0003", "T1053.005", "T1059.001", - "T1059", - "T1053" + "T1053", + "T1059" ], "title": "Suspicious Schtasks Execution AppData Folder" }, @@ -9416,8 +9416,8 @@ "T1564.004", "T1552.001", "T1105", - "T1552", - "T1564" + "T1564", + "T1552" ], "title": "Remote File Download Via Findstr.EXE" }, @@ -10033,8 +10033,8 @@ "T1087.002", "T1069.002", "T1482", - "T1087", - "T1069" + "T1069", + "T1087" ], "title": "Suspicious Active Directory Database Snapshot Via ADExplorer" }, @@ -10777,8 +10777,8 @@ "TA0005", "T1548.002", "T1218.003", - "T1218", - "T1548" + "T1548", + "T1218" ], "title": "Bypass UAC via CMSTP" }, @@ -10996,8 +10996,8 @@ "T1218.010", "TA0002", "TA0005", - "T1218", - "T1204" + "T1204", + "T1218" ], "title": "Suspicious WMIC Execution Via Office Process" }, @@ -11532,8 +11532,8 @@ "car.2013-08-001", "T1053.005", "T1059.001", - "T1059", - "T1053" + "T1053", + "T1059" ], "title": "HackTool - Default PowerSploit/Empire Scheduled Task Creation" }, @@ -11737,8 +11737,8 @@ "T1047", "T1204.002", "T1218.010", - "T1218", - "T1204" + "T1204", + "T1218" ], "title": "Suspicious WmiPrvSE Child Process" }, @@ -12201,8 +12201,8 @@ "TA0005", "T1059.001", "T1564.003", - "T1564", - "T1059" + "T1059", + "T1564" ], "title": "HackTool - Covenant PowerShell Launcher" }, @@ -16590,8 +16590,8 @@ "T1087.002", "T1069.002", "T1482", - "T1087", - "T1069" + "T1069", + "T1087" ], "title": "Active Directory Database Snapshot Via ADExplorer" }, @@ -16746,8 +16746,8 @@ "TA0004", "T1055.001", "T1218.013", - "T1055", - "T1218" + "T1218", + "T1055" ], "title": "Mavinject Inject DLL Into Running Process" }, @@ -17963,8 +17963,8 @@ "TA0002", "T1552.004", "T1059.001", - "T1552", - "T1059" + "T1059", + "T1552" ], "title": "Certificate Exported Via PowerShell" }, @@ -19836,8 +19836,8 @@ "TA0008", "T1021.002", "T1218.011", - "T1021", - "T1218" + "T1218", + "T1021" ], "title": "Rundll32 UNC Path Execution" }, @@ -20861,8 +20861,8 @@ "TA0005", "T1218.014", "T1036.002", - "T1204", "T1036", + "T1204", "T1218" ], "title": "MMC Executing Files with Reversed Extensions Using RTLO Abuse" @@ -21335,8 +21335,8 @@ "T1047", "T1204.002", "T1218.010", - "T1218", - "T1204" + "T1204", + "T1218" ], "title": "Suspicious Microsoft Office Child Process" }, @@ -21419,10 +21419,10 @@ "T1557", "T1082", "T1547", - "T1564", - "T1505", "T1574", "T1556", + "T1505", + "T1564", "T1546" ], "title": "Potential Suspicious Activity Using SeCEdit" @@ -22573,8 +22573,8 @@ "TA0005", "T1218.005", "T1027.004", - "T1027", "T1059", + "T1027", "T1218" ], "title": "Csc.EXE Execution Form Potentially Suspicious Parent" @@ -24022,8 +24022,8 @@ "T1558.003", "TA0008", "T1550.003", - "T1558", - "T1550" + "T1550", + "T1558" ], "title": "HackTool - KrbRelayUp Execution" }, @@ -25220,8 +25220,8 @@ "T1564.004", "T1552.001", "T1105", - "T1552", - "T1564" + "T1564", + "T1552" ], "title": "Insensitive Subfolder Search Via Findstr.EXE" }, @@ -26171,8 +26171,8 @@ "T1069.002", "TA0002", "T1059.001", - "T1087", "T1069", + "T1087", "T1059" ], "title": "HackTool - Bloodhound/Sharphound Execution" @@ -27101,8 +27101,8 @@ "T1070.001", "T1562.002", "car.2016-04-002", - "T1562", - "T1070" + "T1070", + "T1562" ], "title": "Suspicious Eventlog Clearing or Configuration Change Activity" }, @@ -27652,8 +27652,8 @@ "T1558.003", "TA0008", "T1550.003", - "T1550", - "T1558" + "T1558", + "T1550" ], "title": "HackTool - Rubeus Execution" }, @@ -30134,8 +30134,8 @@ "T1559.001", "TA0005", "T1218.010", - "T1559", - "T1218" + "T1218", + "T1559" ], "title": "Network Connection Initiated By Regsvr32.EXE" }, @@ -30958,8 +30958,8 @@ "T1059.001", "T1027.010", "detection.threat-hunting", - "T1027", - "T1059" + "T1059", + "T1027" ], "title": "Invocation Of Crypto-Classes From The \"Cryptography\" PowerShell Namespace" }, @@ -31491,8 +31491,8 @@ "T1021.002", "attack.s0039", "detection.threat-hunting", - "T1087", "T1069", + "T1087", "T1021" ], "title": "Net.EXE Execution" @@ -32274,8 +32274,8 @@ "T1547.001", "detection.threat-hunting", "T1547", - "T1027", - "T1059" + "T1059", + "T1027" ], "title": "Registry Set With Crypto-Classes From The \"Cryptography\" PowerShell Namespace" }, @@ -32801,8 +32801,8 @@ "TA0004", "T1548.002", "T1546.001", - "T1546", - "T1548" + "T1548", + "T1546" ], "title": "Shell Open Registry Keys Manipulation" }, @@ -36671,9 +36671,9 @@ "T1021.002", "T1543.003", "T1569.002", - "T1543", "T1021", - "T1569" + "T1569", + "T1543" ], "title": "Potential CobaltStrike Service Installations - Registry" }, @@ -38125,8 +38125,8 @@ "T1566.001", "cve.2017-8759", "detection.emerging-threats", - "T1204", - "T1566" + "T1566", + "T1204" ], "title": "Exploit for CVE-2017-8759" }, @@ -38153,8 +38153,8 @@ "T1566.001", "cve.2017-11882", "detection.emerging-threats", - "T1566", - "T1204" + "T1204", + "T1566" ], "title": "Droppers Exploiting CVE-2017-11882" }, @@ -38181,8 +38181,8 @@ "T1566.001", "cve.2017-0261", "detection.emerging-threats", - "T1204", - "T1566" + "T1566", + "T1204" ], "title": "Exploit for CVE-2017-0261" }, @@ -38239,9 +38239,9 @@ "T1003.001", "car.2016-04-002", "detection.emerging-threats", - "T1070", "T1218", - "T1003" + "T1003", + "T1070" ], "title": "NotPetya Ransomware Activity" }, @@ -38267,8 +38267,8 @@ "T1543.003", "T1569.002", "detection.emerging-threats", - "T1569", - "T1543" + "T1543", + "T1569" ], "title": "CosmicDuke Service Installation" }, @@ -38542,9 +38542,9 @@ "TA0011", "T1071.004", "detection.emerging-threats", + "T1053", "T1543", - "T1071", - "T1053" + "T1071" ], "title": "OilRig APT Schedule Task Persistence - Security" }, @@ -38576,9 +38576,9 @@ "TA0011", "T1071.004", "detection.emerging-threats", - "T1053", "T1543", - "T1071" + "T1071", + "T1053" ], "title": "OilRig APT Registry Persistence" }, @@ -38610,8 +38610,8 @@ "TA0011", "T1071.004", "detection.emerging-threats", - "T1053", "T1071", + "T1053", "T1543" ], "title": "OilRig APT Activity" @@ -38642,8 +38642,8 @@ "TA0011", "T1071.004", "detection.emerging-threats", - "T1071", "T1543", + "T1071", "T1053" ], "title": "OilRig APT Schedule Task Persistence - System" @@ -39259,8 +39259,8 @@ "TA0005", "T1036.005", "detection.emerging-threats", - "T1036", - "T1059" + "T1059", + "T1036" ], "title": "Greenbug Espionage Group Indicators" }, @@ -41050,8 +41050,8 @@ "T1003.001", "T1560.001", "detection.emerging-threats", - "T1003", - "T1560" + "T1560", + "T1003" ], "title": "APT31 Judgement Panda Activity" }, @@ -41082,9 +41082,9 @@ "T1053.005", "T1059.001", "detection.emerging-threats", - "T1036", + "T1059", "T1053", - "T1059" + "T1036" ], "title": "Operation Wocao Activity" }, @@ -41116,8 +41116,8 @@ "T1059.001", "detection.emerging-threats", "T1053", - "T1059", - "T1036" + "T1036", + "T1059" ], "title": "Operation Wocao Activity - Security" }, @@ -41297,6 +41297,54 @@ ], "title": "Potential Exploitation of CrushFTP RCE Vulnerability (CVE-2025-54309)" }, + { + "category": "", + "channel": [ + "Application" + ], + "description": "Detects cast exceptions in Windows Server Update Services (WSUS) application logs that highly indicate exploitation attempts of CVE-2025-59287, a deserialization vulnerability in WSUS.\n", + "event_ids": [ + "7053" + ], + "id": "e9f37d4c-d2f4-8c89-92d8-82346d4dd882", + "level": "high", + "service": "application", + "subcategory_guids": [], + "tags": [ + "TA0002", + "TA0001", + "T1190", + "T1203", + "cve.2025-59287", + "detection.emerging-threats" + ], + "title": "Exploitation Activity of CVE-2025-59287 - WSUS Deserialization" + }, + { + "category": "process_creation", + "channel": [ + "sec" + ], + "description": "Detects the creation of command-line interpreters (cmd.exe, powershell.exe) as child processes of Windows Server Update Services (WSUS) related process wsusservice.exe.\nThis behavior is a key indicator of exploitation for the critical remote code execution vulnerability such as CVE-2025-59287, where attackers spawn shells to conduct reconnaissance and further post-exploitation activities.\n", + "event_ids": [ + "4688" + ], + "id": "7b9101a5-546b-b1bc-1efd-c80d30a0d318", + "level": "high", + "service": "", + "subcategory_guids": [ + "0CCE922B-69AE-11D9-BED3-505054503030" + ], + "tags": [ + "TA0002", + "TA0001", + "T1190", + "T1203", + "cve.2025-59287", + "detection.emerging-threats" + ], + "title": "Exploitation Activity of CVE-2025-59287 - WSUS Suspicious Child Process" + }, { "category": "process_creation", "channel": [ @@ -41402,8 +41450,8 @@ "T1059.001", "attack.s0183", "detection.emerging-threats", - "T1071", - "T1059" + "T1059", + "T1071" ], "title": "Kalambur Backdoor Curl TOR SOCKS Proxy Execution" }, @@ -44659,9 +44707,9 @@ "T1021.002", "T1543.003", "T1569.002", - "T1021", "T1543", - "T1569" + "T1569", + "T1021" ], "title": "CobaltStrike Service Installations - Security" }, @@ -45165,8 +45213,8 @@ "T1570", "TA0002", "T1569.002", - "T1569", - "T1021" + "T1021", + "T1569" ], "title": "Metasploit Or Impacket Service Installation Via SMB PsExec" }, @@ -45217,8 +45265,8 @@ "T1090.002", "T1021.001", "car.2013-07-002", - "T1090", - "T1021" + "T1021", + "T1090" ], "title": "RDP over Reverse SSH Tunnel WFP" }, @@ -46394,8 +46442,8 @@ "T1087.002", "T1069.002", "attack.s0039", - "T1087", - "T1069" + "T1069", + "T1087" ], "title": "Reconnaissance Activity" }, @@ -46840,8 +46888,8 @@ "T1564.004", "T1552.001", "T1105", - "T1552", - "T1564" + "T1564", + "T1552" ], "title": "Abusing Findstr for Defense Evasion" }, @@ -46889,8 +46937,8 @@ "T1218.010", "TA0002", "TA0005", - "T1204", - "T1218" + "T1218", + "T1204" ], "title": "Excel Proxy Executing Regsvr32 With Payload" }, @@ -47302,8 +47350,8 @@ "T1218.010", "TA0002", "TA0005", - "T1204", - "T1218" + "T1218", + "T1204" ], "title": "Excel Proxy Executing Regsvr32 With Payload Alternate" }, @@ -47646,8 +47694,8 @@ "T1218.010", "TA0002", "TA0005", - "T1204", - "T1218" + "T1218", + "T1204" ], "title": "New Lolbin Process by Office Applications" }, @@ -47866,8 +47914,8 @@ "T1218.010", "TA0002", "TA0005", - "T1204", - "T1218" + "T1218", + "T1204" ], "title": "WMI Execution Via Office Process" }, @@ -50224,8 +50272,8 @@ "TA0004", "T1543.003", "T1569.002", - "T1543", - "T1569" + "T1569", + "T1543" ], "title": "ProcessHacker Privilege Elevation" }, @@ -51171,8 +51219,8 @@ "car.2013-09-005", "T1543.003", "T1569.002", - "T1543", - "T1569" + "T1569", + "T1543" ], "title": "Malicious Service Installations" }, @@ -52002,8 +52050,8 @@ "TA0008", "T1563.002", "T1021.001", - "T1563", - "T1021" + "T1021", + "T1563" ], "title": "Possible RDP Hijacking" }, @@ -53560,10 +53608,10 @@ "T1570", "T1021.002", "T1569.002", - "T1543", - "T1021", "T1136", - "T1569" + "T1543", + "T1569", + "T1021" ], "title": "PSExec Lateral Movement" },