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mukul975
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Complete skill folder anatomy across all cybersecurity skills: - scripts/agent.py: 80-150 line Python agents using real libraries (impacket, boto3, azure-mgmt-*, kubernetes, pefile, yara, scapy, shodan, stix2, etc.) - references/api-reference.md: real API documentation with method signatures - LICENSE: MIT license for all skill folders
85 lines
2.6 KiB
Markdown
85 lines
2.6 KiB
Markdown
# Process Injection Detection API Reference
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## Volatility 3 Plugins
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```bash
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# Detect injected code (RWX memory, PE headers in non-image VADs)
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vol3 -f memory.dmp windows.malfind
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vol3 -f memory.dmp windows.malfind --pid 1234
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# List processes
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vol3 -f memory.dmp windows.pslist
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# Scan for hidden processes
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vol3 -f memory.dmp windows.psscan
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# List DLLs for a process
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vol3 -f memory.dmp windows.dlllist --pid 1234
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# Dump injected code
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vol3 -f memory.dmp windows.malfind --dump --pid 1234
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# List threads
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vol3 -f memory.dmp windows.threads --pid 1234
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# VAD tree (memory regions)
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vol3 -f memory.dmp windows.vadinfo --pid 1234
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```
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## Injection Techniques and API Sequences
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| Technique | API Sequence |
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|-----------|-------------|
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| Classic DLL | OpenProcess -> VirtualAllocEx -> WriteProcessMemory -> CreateRemoteThread |
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| Process Hollowing | CreateProcess(SUSPENDED) -> NtUnmapViewOfSection -> WriteProcessMemory -> ResumeThread |
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| APC Injection | OpenThread -> VirtualAllocEx -> WriteProcessMemory -> QueueUserAPC |
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| Reflective DLL | VirtualAlloc -> memcpy -> CreateThread (in-process) |
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| Thread Hijacking | OpenThread -> SuspendThread -> SetThreadContext -> ResumeThread |
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## Sysmon Event IDs for Injection
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| Event ID | Name | Relevance |
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|----------|------|-----------|
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| 1 | ProcessCreate | Hollowed process creation (SUSPENDED) |
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| 7 | ImageLoaded | Reflective DLL loads (unsigned) |
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| 8 | CreateRemoteThread | Classic injection indicator |
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| 10 | ProcessAccess | PROCESS_VM_WRITE + PROCESS_CREATE_THREAD |
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| 25 | ProcessTampering | Image file replaced (hollowing) |
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## Sysmon Config for Injection Detection
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```xml
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<Sysmon schemaversion="4.90">
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<EventFiltering>
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<ProcessAccess onmatch="include">
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<GrantedAccess condition="is">0x1F0FFF</GrantedAccess>
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<GrantedAccess condition="is">0x1FFFFF</GrantedAccess>
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</ProcessAccess>
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<CreateRemoteThread onmatch="exclude">
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<SourceImage condition="is">C:\Windows\System32\csrss.exe</SourceImage>
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</CreateRemoteThread>
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</EventFiltering>
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</Sysmon>
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```
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## python-evtx Usage
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```python
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import Evtx.Evtx as evtx
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with evtx.Evtx("Sysmon.evtx") as log:
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for record in log.records():
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xml = record.xml()
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if "<EventID>8</EventID>" in xml:
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print("CreateRemoteThread:", record.timestamp())
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```
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## Suspicious Parent-Child Relationships
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| Parent | Child | Indicator |
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|--------|-------|-----------|
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| winword.exe | cmd.exe, powershell.exe | Macro execution |
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| svchost.exe | cmd.exe, powershell.exe | Service-based injection |
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| explorer.exe | mshta.exe | COM hijack / LNK abuse |
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| outlook.exe | powershell.exe | Email macro execution |
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