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