Sync Collecting Detection Rules: Wed May 20 05:03:57 UTC 2026

Signed-off-by: AboutCode Automation <automation@aboutcode.org>

Author: aboutcode-automation

data/sigma/006d8a4d6e3ea24949907ea9c22f1d5b06467ceaa9e35c49aa44866c854c8901/rules-emerging-threats/2017/Exploits/CVE-2017-0261/proc_creation_win_exploit_cve_2017_0261.json

@@ -11,8 +11,8 @@
             },
             "rule_text": "title: Exploit for CVE-2017-0261\nid: 864403a1-36c9-40a2-a982-4c9a45f7d833\nstatus: test\ndescription: Detects Winword starting uncommon sub process FLTLDR.exe as used in exploits\n  for CVE-2017-0261 and CVE-2017-0262\nreferences:\n- https://www.fireeye.com/blog/threat-research/2017/05/eps-processing-zero-days.html\nauthor: Florian Roth (Nextron Systems)\ndate: 2018-02-22\nmodified: 2021-11-27\ntags:\n- attack.execution\n- attack.t1203\n- attack.t1204.002\n- attack.initial-access\n- attack.t1566.001\n- cve.2017-0261\n- detection.emerging-threats\nlogsource:\n  category: process_creation\n  product: windows\ndetection:\n  selection:\n    ParentImage|endswith: \\WINWORD.EXE\n    Image|contains: \\FLTLDR.exe\n  condition: selection\nfalsepositives:\n- Several false positives identified, check for suspicious file names or locations\n  (e.g. Temp folders)\nlevel: medium\n",
             "vulnerabilities": [
-                "CVE-2017-0262",
-                "CVE-2017-0261"
+                "CVE-2017-0261",
+                "CVE-2017-0262"
             ]
         }
     ]

data/sigma/006d8a4d6e3ea24949907ea9c22f1d5b06467ceaa9e35c49aa44866c854c8901/rules-emerging-threats/2020/Exploits/CVE-2020-8193/web_cve_2020_8193_8195_citrix_exploit.json

@@ -11,8 +11,8 @@
             },
             "rule_text": "title: Citrix ADS Exploitation CVE-2020-8193 CVE-2020-8195\nid: 0d0d9a8a-a49e-4e27-b061-7ce4b936cfb7\nstatus: test\ndescription: Detects exploitation attempt against Citrix Netscaler, Application Delivery\n  Controller (ADS) and Citrix Gateway exploiting vulnerabilities reported as CVE-2020-8193\n  and CVE-2020-8195\nreferences:\n- https://support.citrix.com/article/CTX276688\n- https://research.nccgroup.com/2020/07/10/rift-citrix-adc-vulnerabilities-cve-2020-8193-cve-2020-8195-and-cve-2020-8196-intelligence/\n- https://dmaasland.github.io/posts/citrix.html\nauthor: Florian Roth (Nextron Systems)\ndate: 2020-07-10\nmodified: 2023-01-02\ntags:\n- attack.initial-access\n- attack.t1190\n- cve.2020-8193\n- cve.2020-8195\n- detection.emerging-threats\nlogsource:\n  category: webserver\ndetection:\n  selection1:\n    cs-uri-query|contains: /rapi/filedownload?filter=path:%2F\n  selection2:\n    cs-uri-query|contains|all:\n    - /pcidss/report\n    - type=all_signatures\n    - sig_name=_default_signature_\n  condition: 1 of selection*\nfalsepositives:\n- Unknown\nlevel: critical\n",
             "vulnerabilities": [
-                "CVE-2020-8193",
                 "CVE-2020-8196",
+                "CVE-2020-8193",
                 "CVE-2020-8195"
             ]
         }

data/sigma/006d8a4d6e3ea24949907ea9c22f1d5b06467ceaa9e35c49aa44866c854c8901/rules-emerging-threats/2021/Exploits/CVE-2021-1675/av_exploit_cve_2021_34527_print_nightmare.json

@@ -11,8 +11,8 @@
             },
             "rule_text": "title: Antivirus PrinterNightmare CVE-2021-34527 Exploit Detection\nid: 6fe1719e-ecdf-4caf-bffe-4f501cb0a561\nstatus: stable\ndescription: Detects the suspicious file that is created from PoC code against Windows\n  Print Spooler Remote Code Execution Vulnerability CVE-2021-34527 (PrinterNightmare),\n  CVE-2021-1675 .\nreferences:\n- https://twitter.com/mvelazco/status/1410291741241102338\n- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1675\n- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34527\nauthor: Sittikorn S, Nuttakorn T, Tim Shelton\ndate: 2021-07-01\nmodified: 2023-10-23\ntags:\n- attack.privilege-escalation\n- attack.stealth\n- attack.t1055\n- detection.emerging-threats\n- cve.2021-34527\n- cve.2021-1675\nlogsource:\n  category: antivirus\ndetection:\n  selection:\n    Filename|contains: :\\Windows\\System32\\spool\\drivers\\x64\\\n  keywords:\n  - File submitted to Symantec\n  condition: selection and not keywords\nfalsepositives:\n- Unlikely, or pending PSP analysis\nlevel: critical\n",
             "vulnerabilities": [
-                "CVE-2021-1675",
-                "CVE-2021-34527"
+                "CVE-2021-34527",
+                "CVE-2021-1675"
             ]
         }
     ]

data/sigma/006d8a4d6e3ea24949907ea9c22f1d5b06467ceaa9e35c49aa44866c854c8901/rules-emerging-threats/2021/Exploits/CVE-2021-1675/zeek_dce_rpc_exploit_cve_2021_1675_printnightmare_print_driver_install.json

@@ -11,8 +11,8 @@
             },
             "rule_text": "title: Possible PrintNightmare Print Driver Install - CVE-2021-1675\nid: 7b33baef-2a75-4ca3-9da4-34f9a15382d8\nrelated:\n- id: 53389db6-ba46-48e3-a94c-e0f2cefe1583\n  type: derived\nstatus: stable\ndescription: 'Detects the remote installation of a print driver which is possible\n  indication of the exploitation of PrintNightmare (CVE-2021-1675).\n\n  The occurrence of print drivers being installed remotely via RPC functions should\n  be rare, as print drivers are normally installed locally and or through group policy.\n\n  '\nreferences:\n- https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-par/93d1915d-4d9f-4ceb-90a7-e8f2a59adc29\n- https://github.com/zeek/zeek/blob/691b099de13649d6576c7b9d637f8213ff818832/scripts/base/protocols/dce-rpc/consts.zeek\n- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34527\n- https://github.com/corelight/CVE-2021-1675\n- https://old.zeek.org/zeekweek2019/slides/bzar.pdf\n- https://www.crowdstrike.com/blog/cve-2021-1678-printer-spooler-relay-security-advisory/\nauthor: '@neu5ron (Nate Guagenti)'\ndate: 2021-08-23\nmodified: 2025-11-03\ntags:\n- attack.execution\n- cve.2021-1678\n- cve.2021-1675\n- cve.2021-34527\n- detection.emerging-threats\nlogsource:\n  product: zeek\n  service: dce_rpc\ndetection:\n  selection:\n    operation:\n    - RpcAsyncInstallPrinterDriverFromPackage\n    - RpcAsyncAddPrintProcessor\n    - RpcAddPrintProcessor\n    - RpcAddPrinterDriverEx\n    - RpcAddPrinterDriver\n    - RpcAsyncAddPrinterDriver\n  condition: selection\nfalsepositives:\n- Legitimate remote alteration of a printer driver.\nlevel: medium\n",
             "vulnerabilities": [
-                "CVE-2021-34527",
                 "CVE-2021-1678",
+                "CVE-2021-34527",
                 "CVE-2021-1675"
             ]
         }

data/sigma/006d8a4d6e3ea24949907ea9c22f1d5b06467ceaa9e35c49aa44866c854c8901/rules-emerging-threats/2021/Exploits/CVE-2021-20090/web_cve_2021_20090_2021_20091_arcadyan_router_exploit.json

@@ -11,8 +11,8 @@
             },
             "rule_text": "title: Arcadyan Router Exploitations\nid: f0500377-bc70-425d-ac8c-e956cd906871\nstatus: test\ndescription: Detects exploitation of vulnerabilities in Arcadyan routers as reported\n  in CVE-2021-20090 and CVE-2021-20091.\nreferences:\n- https://medium.com/tenable-techblog/bypassing-authentication-on-arcadyan-routers-with-cve-2021-20090-and-rooting-some-buffalo-ea1dd30980c2\n- https://www.tenable.com/security/research/tra-2021-13\n- https://blogs.juniper.net/en-us/security/freshly-disclosed-vulnerability-cve-2021-20090-exploited-in-the-wild\nauthor: Bhabesh Raj\ndate: 2021-08-24\nmodified: 2023-01-02\ntags:\n- attack.initial-access\n- attack.t1190\n- cve.2021-20090\n- cve.2021-20091\n- detection.emerging-threats\nlogsource:\n  category: webserver\ndetection:\n  path_traversal:\n    cs-uri-query|contains: ..%2f\n  config_file_inj:\n    cs-uri-query|contains|all:\n    - ..%2f\n    - apply_abstract.cgi\n  noauth_list:\n    cs-uri-query|contains:\n    - /images/\n    - /js/\n    - /css/\n    - /setup_top_login.htm\n    - /login.html\n    - /loginerror.html\n    - /loginexclude.html\n    - /loginlock.html\n  condition: (path_traversal or config_file_inj) and noauth_list\nfalsepositives:\n- Unknown\nlevel: critical\n",
             "vulnerabilities": [
-                "CVE-2021-20090",
-                "CVE-2021-20091"
+                "CVE-2021-20091",
+                "CVE-2021-20090"
             ]
         }
     ]

data/sigma/006d8a4d6e3ea24949907ea9c22f1d5b06467ceaa9e35c49aa44866c854c8901/rules-emerging-threats/2021/Exploits/CVE-2021-26084/web_cve_2021_26084_confluence_rce_exploit.json

@@ -11,8 +11,8 @@
             },
             "rule_text": "title: Potential CVE-2021-26084 Exploitation Attempt\nid: 38825179-3c78-4fed-b222-2e2166b926b1\nstatus: test\ndescription: Detects potential exploitation of CVE-2021-260841 a Confluence RCE using\n  OGNL injection\nreferences:\n- https://github.com/TesterCC/exp_poc_library/blob/be61622600ec79d8fba2fa5f816a870715f0cb3b/exp_poc/CVE-2021-26084_Confluence_OGNL_injection/CVE-2021-26084.md\n- https://github.com/httpvoid/writeups/blob/62d3751945289d088ccfdf4d0ffbf61598a2cd7d/Confluence-RCE.md\n- https://confluence.atlassian.com/doc/confluence-security-advisory-2021-08-25-1077906215.html\n- https://mraddon.blog/2017/03/20/confluence-trick-to-create-pages-from-blueprint-templates/\nauthor: Sittikorn S, Nuttakorn T\ndate: 2022-12-13\nmodified: 2023-03-24\ntags:\n- attack.initial-access\n- attack.t1190\n- cve.2021-26084\n- detection.emerging-threats\nlogsource:\n  category: webserver\n  definition: 'Requirements: The POST request body data must be collected in order\n    to make use of certain parts of this detection'\ndetection:\n  selection_main:\n    cs-method: POST\n    sc-status: 200\n    cs-username: anonymous\n  selection_exploit_1:\n    cs-uri-query|contains|all:\n    - /pages/createpage-entervariables.action\n    - SpaceKey=x\n  selection_exploit_2_uri:\n    cs-uri-query|contains: /doenterpagevariables.action\n  selection_exploit_2_keyword:\n  - u0027\n  condition: selection_main and (selection_exploit_1 or all of selection_exploit_2_*)\nfalsepositives:\n- Unknown\nlevel: high\n",
             "vulnerabilities": [
-                "CVE-2021-260841",
-                "CVE-2021-26084"
+                "CVE-2021-26084",
+                "CVE-2021-260841"
             ]
         }
     ]

data/sigma/006d8a4d6e3ea24949907ea9c22f1d5b06467ceaa9e35c49aa44866c854c8901/rules-emerging-threats/2021/Exploits/CVE-2021-26858/web_cve_2021_26858_iis_rce.json

@@ -11,8 +11,8 @@
             },
             "rule_text": "title: ProxyLogon Reset Virtual Directories Based On IIS Log\nid: effee1f6-a932-4297-a81f-acb44064fa3a\nstatus: test\ndescription: When exploiting this vulnerability with CVE-2021-26858, an SSRF attack\n  is used to manipulate virtual directories\nreferences:\n- https://bi-zone.medium.com/hunting-down-ms-exchange-attacks-part-1-proxylogon-cve-2021-26855-26858-27065-26857-6e885c5f197c\nauthor: frack113\ndate: 2021-08-10\nmodified: 2023-05-08\ntags:\n- cve.2021-26858\n- detection.emerging-threats\n- attack.initial-access\n- attack.t1190\nlogsource:\n  category: webserver\n  definition: 'Requirements: The POST request body data must be collected in order\n    to make use of this detection'\ndetection:\n  selection:\n    cs-method: POST\n    sc-status: 200\n    cs-uri-stem: /ecp/DDI/DDIService.svc/SetObject\n    cs-uri-query|contains|all:\n    - schema=Reset\n    - VirtualDirectory\n    cs-username|endswith: $\n  keywords:\n    '|all':\n    - POST\n    - 200\n    - /ecp/DDI/DDIService.svc/SetObject\n    - schema=Reset\n    - VirtualDirectory\n    - $\n  condition: selection or keywords\nfalsepositives:\n- Unlikely\nlevel: critical\n",
             "vulnerabilities": [
-                "CVE-2021-26858",
-                "CVE-2021-26855"
+                "CVE-2021-26855",
+                "CVE-2021-26858"
             ]
         }
     ]

data/sigma/006d8a4d6e3ea24949907ea9c22f1d5b06467ceaa9e35c49aa44866c854c8901/rules-emerging-threats/2021/Exploits/CVE-2021-33771/file_event_win_cve_2021_31979_cve_2021_33771_exploits.json

@@ -11,8 +11,8 @@
             },
             "rule_text": "title: CVE-2021-31979 CVE-2021-33771 Exploits by Sourgum\nid: ad7085ac-92e4-4b76-8ce2-276d2c0e68ef\nstatus: test\ndescription: Detects patterns as noticed in exploitation of Windows CVE-2021-31979\n  CVE-2021-33771 vulnerability and DevilsTongue malware by threat group Sourgum\nreferences:\n- https://www.microsoft.com/security/blog/2021/07/15/protecting-customers-from-a-private-sector-offensive-actor-using-0-day-exploits-and-devilstongue-malware/\n- https://citizenlab.ca/2021/07/hooking-candiru-another-mercenary-spyware-vendor-comes-into-focus/\nauthor: Sittikorn S\ndate: 2021-07-16\nmodified: 2022-10-09\ntags:\n- attack.initial-access\n- attack.execution\n- attack.credential-access\n- attack.t1566\n- attack.t1203\n- cve.2021-33771\n- cve.2021-31979\n- detection.emerging-threats\nlogsource:\n  product: windows\n  category: file_event\ndetection:\n  selection:\n    TargetFilename|contains:\n    - C:\\Windows\\system32\\physmem.sys\n    - C:\\Windows\\System32\\IME\\IMEJP\\imjpueact.dll\n    - C:\\Windows\\system32\\ime\\IMETC\\IMTCPROT.DLL\n    - C:\\Windows\\system32\\ime\\SHARED\\imecpmeid.dll\n    - C:\\Windows\\system32\\config\\spp\\ServiceState\\Recovery\\pac.dat\n    - C:\\Windows\\system32\\config\\cy-GB\\Setup\\SKB\\InputMethod\\TupTask.dat\n    - C:\\Windows\\system32\\config\\config\\startwus.dat\n    - C:\\Windows\\system32\\ime\\SHARED\\WimBootConfigurations.ini\n    - C:\\Windows\\system32\\ime\\IMEJP\\WimBootConfigurations.ini\n    - C:\\Windows\\system32\\ime\\IMETC\\WimBootConfigurations.ini\n  condition: selection\nfalsepositives:\n- Unlikely\nlevel: critical\n",
             "vulnerabilities": [
-                "CVE-2021-33771",
-                "CVE-2021-31979"
+                "CVE-2021-31979",
+                "CVE-2021-33771"
             ]
         }
     ]

data/sigma/006d8a4d6e3ea24949907ea9c22f1d5b06467ceaa9e35c49aa44866c854c8901/rules-emerging-threats/2021/Exploits/CVE-2021-33771/registry_set_cve_2021_31979_cve_2021_33771_exploits.json

@@ -11,8 +11,8 @@
             },
             "rule_text": "title: CVE-2021-31979 CVE-2021-33771 Exploits\nid: 32b5db62-cb5f-4266-9639-0fa48376ac00\nstatus: test\ndescription: Detects patterns as noticed in exploitation of Windows CVE-2021-31979\n  CVE-2021-33771 vulnerability and DevilsTongue malware by threat group Sourgum\nreferences:\n- https://www.microsoft.com/security/blog/2021/07/15/protecting-customers-from-a-private-sector-offensive-actor-using-0-day-exploits-and-devilstongue-malware/\n- https://citizenlab.ca/2021/07/hooking-candiru-another-mercenary-spyware-vendor-comes-into-focus/\nauthor: Sittikorn S, frack113\ndate: 2021-07-16\nmodified: 2023-08-17\ntags:\n- attack.initial-access\n- attack.execution\n- attack.credential-access\n- attack.t1566\n- attack.t1203\n- cve.2021-33771\n- cve.2021-31979\n- detection.emerging-threats\nlogsource:\n  product: windows\n  category: registry_set\ndetection:\n  selection:\n    TargetObject|endswith:\n    - CLSID\\{CF4CC405-E2C5-4DDD-B3CE-5E7582D8C9FA}\\InprocServer32\\(Default)\n    - CLSID\\{7C857801-7381-11CF-884D-00AA004B2E24}\\InProcServer32\\(Default)\n  filter:\n    Details|endswith:\n    - system32\\wbem\\wmiutils.dll\n    - system32\\wbem\\wbemsvc.dll\n  condition: selection and not filter\nfalsepositives:\n- Unlikely\nlevel: critical\n",
             "vulnerabilities": [
-                "CVE-2021-33771",
-                "CVE-2021-31979"
+                "CVE-2021-31979",
+                "CVE-2021-33771"
             ]
         }
     ]

data/sigma/006d8a4d6e3ea24949907ea9c22f1d5b06467ceaa9e35c49aa44866c854c8901/rules-emerging-threats/2022/Exploits/CVE-2022-21919/win_system_exploit_cve_2022_21919_or_cve_2021_34484.json

@@ -11,8 +11,8 @@
             },
             "rule_text": "title: Potential Exploitation of CVE-2022-21919 or CVE-2021-34484 for LPE\nid: 52a85084-6989-40c3-8f32-091e12e17692\nstatus: test\ndescription: 'Detects potential exploitation attempts of CVE-2022-21919 or CVE-2021-34484\n  leading to local privilege escalation via the User Profile Service.\n\n  During exploitation of this vulnerability, two logs (Provider_Name: Microsoft-Windows-User\n  Profiles Service) with EventID 1511 and 1515 are created (EventID 1515 may generate\n  many false positives).\n\n  Additionally, the directory \\Users\\TEMP may be created during exploitation. This\n  behavior was observed on Windows Server 2008.\n\n  '\nreferences:\n- https://packetstormsecurity.com/files/166692/Windows-User-Profile-Service-Privlege-Escalation.html\nauthor: Cybex\ndate: 2022-08-16\nmodified: 2025-11-03\ntags:\n- attack.execution\n- detection.emerging-threats\n- cve.2022-21919\n- cve.2021-34484\nlogsource:\n  product: windows\n  service: application\ndetection:\n  selection:\n    EventID: 1511\n    Provider_Name: Microsoft-Windows-User Profiles Service\n  condition: selection\nfalsepositives:\n- Corrupted user profiles - https://social.technet.microsoft.com/wiki/contents/articles/3571.windows-user-profiles-service-event-1511-windows-cannot-find-the-local-profile-and-is-logging-you-on-with-a-temporary-profile.aspx\nlevel: low\n",
             "vulnerabilities": [
-                "CVE-2021-34484",
-                "CVE-2022-21919"
+                "CVE-2022-21919",
+                "CVE-2021-34484"
             ]
         }
     ]