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Add rule for detect browser information discovery #5112

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@CheraghiMilad CheraghiMilad commented Dec 8, 2024

Summary of the Pull Request

Adversaries may enumerate information about browsers to learn more about compromised environments.
Data saved by browsers (such as bookmarks, accounts, and browsing history) may reveal a variety of personal
information about users (e.g., banking sites, relationships/interests, social media) and details about internal
network resources like servers, tools, dashboards, or other infrastructure.

Changelog

Example Log Event

cp log

<Event>
  <System>
    <Provider Name="Linux-Sysmon" Guid="{ff032593-a8d3-4f13-b0d6-01fc615a0f97}"/>
    <EventID>1</EventID>
    <Version>5</Version>
    <Level>4</Level>
    <Task>1</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2024-12-08T06:57:05.129480000Z"/>
    <EventRecordID>362834</EventRecordID>
    <Correlation/>
    <Execution ProcessID="1258" ThreadID="1258"/>
    <Channel>Linux-Sysmon/Operational</Channel>
    <Computer>caldera-virtual-machine</Computer>
    <Security UserId="0"/>
  </System>
  <EventData>
    <Data Name="RuleName">-</Data>
    <Data Name="UtcTime">2024-12-03 14:40:24.518</Data>
    <Data Name="ProcessGuid">{36fe7a82-1858-674f-0134-000ec1550000}</Data>
    <Data Name="ProcessId">38850</Data>
    <Data Name="Image">/usr/bin/cp</Data>
    <Data Name="FileVersion">-</Data>
    <Data Name="Description">-</Data>
    <Data Name="Product">-</Data>
    <Data Name="Company">-</Data>
    <Data Name="OriginalFileName">-</Data>
    <Data Name="CommandLine">cp .mozilla/firefox/pg4iu77h.default-release/places.sqlite /tmp</Data>
    <Data Name="CurrentDirectory">/home/caldera</Data>
    <Data Name="User">caldera</Data>
    <Data Name="LogonGuid">{36fe7a82-0000-0000-e803-000000000000}</Data>
    <Data Name="LogonId">1000</Data>
    <Data Name="TerminalSessionId">3</Data>
    <Data Name="IntegrityLevel">no level</Data>
    <Data Name="Hashes">SHA256=40ea53f38efe555c09a2c1c860379190e2af94427daaa68756874154c3fa1188</Data>
    <Data Name="ParentProcessGuid">{36fe7a82-1709-674f-d5f6-259724560000}</Data>
    <Data Name="ParentProcessId">38603</Data>
    <Data Name="ParentImage">/usr/bin/bash</Data>
    <Data Name="ParentCommandLine">bash</Data>
    <Data Name="ParentUser">caldera</Data>
  </EventData>
</Event>

browser information discovery

Fixed Issues

SigmaHQ Rule Creation Conventions

  • If your PR adds new rules, please consider following and applying these conventions

@github-actions github-actions bot added Rules Linux Pull request add/update linux related rules labels Dec 8, 2024
@CheraghiMilad
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Hi,
I have 14 merge request and they work is done, can you help me to merge theirs?
Thanks
@frack113

@frack113 frack113 added the Author Input Required changes the require information from original author of the rules label Dec 14, 2024
@nasbench
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Hi, I have 14 merge request and they work is done, can you help me to merge theirs? Thanks @frack113

Please refrain from asking for pull request merges. This is an open source project with maintainers that have limited time ;)

Patience is key

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3 participants