Query: detect Detects suspicious child processes spawned from browsers. This could be a result of a potential web browser exploitation in logs
Matching passage: Sigma rule: Detects suspicious child processes spawned from browsers. This could be a result of a potential web browser exploitation. Logsource: macos / process_creation. Rule: title: Suspicious Browser Child Process - MacOS id: 0250638a-2b28-4541-86fc-ea4c558fa0c6 status: test description: Detects suspicious child processes spawned from browsers. This could be a result of a potential web browser exploitation. references: - https://fr.slideshare.net/codeblue_jp/cb19-recent-apt-attack-on-crypto-exchange-employees-by-heungsoo-kang - https://github.com/elastic/detection-rules/blob/4312d8c9583be524578a14fe6295c3370b9a9307/rules/macos/execution_initial_access_suspicious_browser_childproc.toml author: Sohan G (D4rkCiph3r) date: 2023-04-05 tags: - attack.initial-access - attack.execution - attack.t1189 - attack.t1203 - attack.t1059 logsource: category: process_creation product: macos detection: selection: ParentImage|contains: - com.apple.WebKit.WebContent - firefox - Google Chrome Helper - Google Chrome - Microsoft Edge - Opera - Safari - Tor Browser Image|endswith: - /bash - /curl - /dash - /ksh - /osascript - /perl - /php - /pwsh - /python - /sh - /tcsh - /wget - /zsh filter_main_generic: CommandLine|contains: --defaults-torrc filter_main_ms_autoupdate: CommandLine|contains: /Library/Application Support/Microsoft/MAU*/Microsoft AutoUpdate.app/Contents/MacOS/msupdate filter_main_chrome: ParentImage|contains: - Google Chrome Helper - Google Chrome CommandLine|contains: - /Volumes/Google Chrome/Google Chrome.app/Contents/Frameworks/*/Resources/install.sh - /Applications/Google Chrome.app/Contents/Frameworks/Google Chrome Framework.framework/*/Resources/keystone_promote_preflight.sh - /Applications/Google Chrome.app/Contents/Frameworks/Google Chrome Framework.framework/*/Resources/keystone_promote_postflight.sh filter_main_ms_edge: ParentImage|contains: Microsoft Edge CommandLine|contains: - IOPlatformExpertDevice - hw.model filter_main_chromerecovery: ParentImage|contains: - Google Chrome Helper - Google Chrome CommandLine|contains|all: - /Users/ - /Library/Application Support/Google/Chrome/recovery/ - /ChromeRecovery filter_optional_null: CommandLine: null filter_optional_empty: CommandLine: '' condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Legitimate browser install, update and recovery scripts level: medium
Near-miss passage: Sigma rule: Detects the abuse of the Print.exe utility for credential harvesting which involves using Print.Exe to copy sensitive fi. Logsource: windows / process_creation. Rule: title: Sensitive File Dump Via Print.EXE id: 2fcda7e2-8c57-4904-86ac-37fc3157e09d status: test description: 'Detects the abuse of the Print.exe utility for credential harvesting which involves using Print.Exe to copy sensitive files such as ntds.dit, SAM, SECURITY, or SYSTEM from the Windows directory in order to extract credentials, locally or remotely. ' references: - https://www.microsoft.com/en-us/security/blog/2026/02/06/active-exploitation-solarwinds-web-help-desk/ - https://www.huntress.com/blog/credential-theft-expanding-your-reach-pt-2 - https://lolbas-project.github.io/lolbas/Binaries/Print/ author: Ayush Anand (Securityinbits) date: 2026-04-28 tags: - attack.credential-access - attack.stealth - attack.t1003.003 - attack.t1003.002 - attack.t1218 logsource: category: process_creation product: windows detection: selection_img: - Image|endswith: \print.exe - OriginalFileName: Print.EXE selection_cli: CommandLine|contains|windash: /D CommandLine|contains: - \config\SAM - \config\SECURITY - \config\SYSTEM - \windows\ntds\ntds.dit condition: all of selection_* falsepositives: - Unlikely level: high regression_tests_path: regression_data/rules/windows/process_creation/proc_creation_win_print_dump_sensitive_files/info.yml