[Rule Tuning] Potential Masquerading as Browser Process (#3180)

* [Rule Tuning] Potential Masquerading as Browser Process

* Update defense_evasion_masquerading_browsers.toml

* Update defense_evasion_masquerading_browsers.toml

(cherry picked from commit 8035516e8e)
This commit is contained in:
Jonhnathan
2023-10-17 08:53:37 -03:00
committed by github-actions[bot]
parent 97ce9d7478
commit f7a2c9b0b4
@@ -40,10 +40,26 @@ process where host.os.type == "windows" and event.type == "start" and
(process.code_signature.subject_name : ("Google LLC", "Google Inc") and process.code_signature.trusted == true)
and not
(
process.executable : "?:\\Program Files\\HP\\Sure Click\\servers\\chrome.exe" and
process.executable : (
"?:\\Program Files\\HP\\Sure Click\\servers\\chrome.exe",
"?:\\Program Files\\HP\\Sure Click\\*\\servers\\chrome.exe"
) and
process.code_signature.subject_name : ("Bromium, Inc.") and process.code_signature.trusted == true
)
and not process.hash.sha256 : "6538d54a236349f880d6793d219f558764629efc85d4d08b56b94717c01fb25a"
) and
not (
process.executable : (
"?:\\Users\\*\\AppData\\Local\\ms-playwright\\chromium-*\\chrome-win\\chrome.exe",
"?:\\Users\\*\\AppData\\Local\\Programs\\synthetics-recorder\\resources\\local-browsers\\chromium-*\\chrome-win\\chrome.exe",
"*\\node_modules\\puppeteer\\.local-chromium\\win64-*\\chrome-win\\chrome.exe",
"?:\\Program Files (x86)\\Invicti Professional Edition\\chromium\\chrome.exe",
"?:\\Program Files\\End2End, Inc\\ARMS Html Engine\\chrome.exe",
"?:\\Users\\*\\AppData\\Local\\*BurpSuitePro\\burpbrowser\\*\\chrome.exe",
"?:\\Users\\*\\AppData\\Roaming\\*BurpSuite\\burpbrowser\\*\\chrome.exe"
) and process.args: (
"--enable-features=NetworkService,NetworkServiceInProcess",
"--type=crashpad-handler", "--enable-automation", "--disable-xss-auditor"
)
)
) or
/* MS Edge Related Processes */
@@ -54,6 +70,11 @@ process where host.os.type == "windows" and event.type == "start" and
"MicrosoftEdgeUpdateComRegisterShell64.exe", "msedgerecovery.exe", "MicrosoftEdgeUpdateSetup.exe"
) and not
(process.code_signature.subject_name : "Microsoft Corporation" and process.code_signature.trusted == true)
and not
(
process.name : "msedgewebview2.exe" and
process.code_signature.subject_name : ("Bromium, Inc.") and process.code_signature.trusted == true
)
) or
/* Brave Related Processes */
@@ -69,9 +90,14 @@ process where host.os.type == "windows" and event.type == "start" and
(process.name : (
"firefox.exe", "pingsender.exe", "default-browser-agent.exe", "maintenanceservice.exe",
"plugin-container.exe", "maintenanceservice_tmp.exe", "maintenanceservice_installer.exe",
"minidump-analyzer.exe", "crashreporter.exe"
"minidump-analyzer.exe"
) and not
(process.code_signature.subject_name : "Mozilla Corporation" and process.code_signature.trusted == true)
and not
(
process.name : "default-browser-agent.exe" and
process.code_signature.subject_name : ("WATERFOX LIMITED") and process.code_signature.trusted == true
)
) or
/* Island Related Processes */
@@ -108,7 +134,9 @@ process where host.os.type == "windows" and event.type == "start" and
"Google LLC",
"Google Inc",
"Microsoft Corporation",
"NAVER Corp."
"NAVER Corp.",
"AVG Technologies USA, LLC",
"Avast Software s.r.o."
) and process.code_signature.trusted == true
)
)