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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
96 lines
1.9 KiB
Markdown
96 lines
1.9 KiB
Markdown
# API Reference: Analyzing Slack Space and File System Artifacts
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## The Sleuth Kit (TSK) CLI Tools
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### blkls - Extract Slack Space
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```bash
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# Extract slack space from partition at offset 2048
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blkls -s -o 2048 evidence.dd > slack_space.raw
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```
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### fls - List Files and Alternate Data Streams
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```bash
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# Recursive file listing with ADS
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fls -r -o 2048 evidence.dd
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# Filter for ADS entries (lines containing ":")
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fls -r -o 2048 evidence.dd | grep ":"
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```
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### icat - Extract File Content by Inode
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```bash
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# Extract $MFT (inode 0)
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icat -o 2048 evidence.dd 0 > MFT
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# Extract ADS content
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icat -o 2048 evidence.dd 14523:Zone.Identifier
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```
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### istat - Display Inode Details
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```bash
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istat -o 2048 evidence.dd 14523
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```
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## analyzeMFT (Python)
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```bash
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pip install analyzeMFT
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analyzeMFT.py -f MFT -o mft_output.csv -c
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```
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## USN Journal Parsing
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### Record Structure (USN_RECORD_V2)
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| Offset | Size | Field |
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|--------|------|-------|
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| 0 | 4 | Record length |
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| 4 | 2 | Major version |
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| 8 | 8 | MFT reference |
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| 16 | 8 | Parent MFT reference |
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| 32 | 8 | Timestamp (FILETIME) |
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| 40 | 4 | Reason flags |
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| 56 | 2 | Filename length |
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| 58 | 2 | Filename offset |
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### Reason Flags
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| Flag | Meaning |
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|------|---------|
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| `0x100` | FILE_CREATE |
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| `0x200` | FILE_DELETE |
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| `0x1000` | RENAME_OLD_NAME |
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| `0x2000` | RENAME_NEW_NAME |
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| `0x80000000` | CLOSE |
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## bulk_extractor
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```bash
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bulk_extractor -o output_dir/ slack_space.raw
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```
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## MFTECmd (Eric Zimmerman)
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```bash
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MFTECmd.exe -f MFT --csv output/ --csvf mft_analysis.csv
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MFTECmd.exe -f UsnJrnl_J --csv output/ --csvf usn_journal.csv
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```
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## foremost - File Carving
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```bash
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foremost -t jpg,pdf,zip -i slack_space.raw -o carved_files/
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```
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### References
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- The Sleuth Kit: https://sleuthkit.org/sleuthkit/
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- analyzeMFT: https://pypi.org/project/analyzeMFT/
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- MFTECmd: https://github.com/EricZimmerman/MFTECmd
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- bulk_extractor: https://github.com/simsong/bulk_extractor
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