chore: rename auditd folders and others
update: Audio Capture - Updated syscall field to SYSCALL in order to make use of enriched logs
update: ASLR Disabled Via Sysctl or Direct Syscall - Linux - Updated syscall field to SYSCALL in order to make use of enriched logs
update: Clear or Disable Kernel Ring Buffer Logs via Syslog Syscall - Updated syscall field to SYSCALL in order to make use of enriched logs
update: System Info Discovery via Sysinfo Syscall - Updated syscall field to SYSCALL in order to make use of enriched logs
update: Special File Creation via Mknod Syscall - Updated syscall field to SYSCALL in order to make use of enriched logs
update: Webshell Remote Command Execution - Updated syscall field to SYSCALL in order to make use of enriched logs
update: Cred Dump Tools Dropped Files - Add procdump.exe and procdump64a.exe
update: File Download From Browser Process Via Inline URL - Enhance selection by splitting CLI markers for better matching
update: Tor Client/Browser Execution - Add additional PE metadata markers
update: System Information Discovery via Registry Queries - Enhance registry markers
update: PUA - AdFind Suspicious Execution - Add -sc to dclist string for more accurate coverage.
fix: Removal Of Index Value to Hide Schedule Task - Registry - Remove EventType condition that broke the rule.
fix: Removal Of SD Value to Hide Schedule Task - Registry - Remove EventType condition that broke the rule.
fix: Creation of a Local Hidden User Account by Registry - Fix the TargetObject value
fix: Potential Persistence Via New AMSI Providers - Registry - Change logsource and fix the rule logic
fix: Potential COM Object Hijacking Via TreatAs Subkey - Registry - Change logsource and fix the rule logic
fix: Potential Persistence Via Logon Scripts - Registry - Fix incorrect logsource
fix: PUA - Sysinternal Tool Execution - Registry - Fix incorrect logsource
fix: Suspicious Execution Of Renamed Sysinternals Tools - Registry - Fix incorrect logsource
fix: PUA - Sysinternals Tools Execution - Registry - Fix incorrect logsource
chore: add CI script for regression
chore: add regression data
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Co-authored-by: swachchhanda000 <87493836+swachchhanda000@users.noreply.github.com>
Co-authored-by: phantinuss <79651203+phantinuss@users.noreply.github.com>
remove: Space After Filename - Logic was incorrect and untested
update: Potential CVE-2024-3400 Exploitation - Palo Alto GlobalProtect OS Command Injection - Update selection
update: JexBoss Command Sequence - Update the selection to use the |all modifier.
chore: remove any usage of the fields field to prepare for deprecation in the spec.
update: ASLR Disabled Via Sysctl or Direct Syscall - Linux - Add sysctl option
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Co-authored-by: Nasreddine Bencherchali <8741929+nasbench@users.noreply.github.com>
the integration pipeline or the rule consumer has to take care of the mapping
update: Audio Capture - use syscall name instead of id
update: Clear or Disable Kernel Ring Buffer Logs via Syslog Syscall - use syscall name instead of id
update: Disable ASLR Via Personality Syscall - Linux - use syscall name instead of id
update: Service Reload or Start - Linux - Add additional flags and binaries used to changes services status
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Co-authored-by: Nasreddine Bencherchali <nasreddineb@splunk.com>
update: System Owner or User Discovery - Linux - Add 4 additional tools that can be used for host and user discovery: "whoami", "hostname", "id", "last"
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Co-authored-by: Nasreddine Bencherchali <8741929+nasbench@users.noreply.github.com>
new: Potential CommandLine Obfuscation Using Unicode Characters From Suspicious Image - A detection replacement for `e0552b19-5a83-4222-b141-b36184bb8d79`
remove: OMIGOD SCX RunAsProvider ExecuteShellCommand - Auditd - Moved to "unsupported" folder, due to the need of correlation.
remove: Potential Persistence Via COM Search Order Hijacking - Moved to "deprecated" in favour of `790317c0-0a36-4a6a-a105-6e576bf99a14`.
update: Potential CommandLine Obfuscation Using Unicode Characters - Moved to "threat-hunting" due to the nature FPs
update: Potential Remote WMI ActiveScriptEventConsumers Activity - Moved to "threat-hunting" as its meant as an enrichment rule.
chore: change tags, date, modified fields to comply with v2 of the Sigma spec.
chore: update the related type from `obsoletes` to `obsolete`.
chore: update local json schema to the latest version.
update: Registry Persistence via Service in Safe Mode - Fix typo in title
chore: Fix multiple typo in metadata fields and comments
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Co-authored-by: Nasreddine Bencherchali <8741929+nasbench@users.noreply.github.com>
update: Linux Network Service Scanning - Auditd - Update coverage to add `ncat` and `nc.openbsd`
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Co-authored-by: Nasreddine Bencherchali <8741929+nasbench@users.noreply.github.com>
- Updated lnx_auditd_system_info_discovery.yml
- Added lnx_auditd_modify_system_firewall.yml
- Depracted lnx_auditd_alter_bash_profile.yml and replaced by an enhanced version in lnx_auditd_unix_shell_configuration_modification.yml
Nasreddine Bencherchali