Karthik Srinivasan

55 papers B 1C 6Misc 3Journal 31Unranked 14
YearRankTypeTitle / Venue / Authors
2025 J jnl
J. Chem. Inf. Model.
Kuldeep Singh, Karthik Srinivasan, Ziting Sun, Jing Liu, Vinay Prasad
2025 J jnl
Decis. Support Syst.
Jinhang Jiang, Kiran Kumar Bandeli, Karthik Srinivasan
2025 J jnl
CoRR
Jinhang Jiang, Nan Wu, Ben Liu, Mei Feng, Xin Ji, Karthik Srinivasan
2025 J jnl
Evol. Syst.
Karthik Srinivasan, Saravanan Matheswaran, Prabaharan Sengodan, Rajaram Pichamuthu
2025 J jnl
Knowl. Based Syst.
Karthik Srinivasan
2025 J jnl
CoRR
Tarun Chitra, Kshitij Kulkarni, Karthik Srinivasan
2025 J jnl
Softw. Impacts
Jinhang Jiang, Ben Liu, Weiyao Peng, Karthik Srinivasan
2025 C conf
ICIS
Faiz Currim, Karthik Srinivasan, Arvind Tripathi
2024 J jnl
IEEE J. Biomed. Health Informatics
Binh Duong Giap, Karthik Srinivasan, Ossama Mahmoud, Shahzad Ihsan Mian, Bradford Laurence Tannen, Nambi Nallasamy
2024 conf
EMBC
Binh Duong Giap, Keely Likosky, Karthik Srinivasan, Naheed W. Khan, Nambi Nallasamy
2024 J jnl
Decis. Support Syst.
Xiaorui Zhu, Shaobo Li, Karthik Srinivasan, Michael T. Lash
2024 J jnl
IEEE Trans. Geosci. Remote. Sens.
Eva Peral, Daniel Esteban-Fernandez, Ernesto Rodríguez, Dalia McWatters, Jan-Willem De Bleser, Razi Ahmed, Albert C. Chen, Eric M. Slimko, Ruwan Somawardhana, Kevin Knarr, Michael Johnson, Sermsak Jaruwatanadilok, Samuel F. Chan, Xiaojun Wu, Duane Clark, Kenneth Peters, Curtis W. Chen, Peter Mao, Behrouz Khayatian, Jacqueline Chen, Richard E. Hodges, Dhemetrios Boussalis, Bryan W. Stiles, Karthik Srinivasan
2024 J jnl
CoRR
Sabrina Drammis, Bowen Zheng, Karthik Srinivasan, Robert C. Berwick, Nancy A. Lynch, Robert Ajemian
2023 conf
ICCCNT
Ravella Abhinav, Kunduru Nikunj Raghav, Singadi Shanthan Reddy, Penugonda Sai Naga Koushik, Senthil Kumar Thangavel, Karthik Srinivasan
2023 J jnl
ACM Trans. Manag. Inf. Syst.
Karthik Srinivasan, Faiz Currim, Sudha Ram
2023 C conf
ICIS
Karthik Srinivasan, Sunita Rao, Norma A. juma
2023 J jnl
Eng. Appl. Artif. Intell.
Anjana Puliyanda, Karthik Srinivasan, Zukui Li, Vinay Prasad
2023 J jnl
IEEE Access
Varun Malik, Ruchi Mittal, Dinesh Mavaluru, Bayapa Reddy Narapureddy, S. B. Goyal, R. John Martin, Karthik Srinivasan, Amit Mittal
2023 C conf
ICIS
Jinhang Jiang, Mei Feng, Karthik Srinivasan
2023 conf
ICCCNT
V. S. Tharunika, Shridhar T, K. Veeresh, Senthil Kumar Thangavel, Karthik Srinivasan, Sulakshan Vajipayajula, Anjali Tibrewal
2023 J jnl
npj Digit. Medicine
Karthik Srinivasan, Faiz Currim, Casey Lindberg, Javad Razjouyan, Brian Gilligan, Hyo-Ki Lee, Kelli Canada, Nicole Goebel, Matthias R. Mehl, Melissa M. Lunden, Judith Heerwagen, Bijan Najafi, Esther M. Sternberg, Kevin Kampschroer, Sudha Ram
2023 C conf
ICIS
Shaolin Pu, Karthik Srinivasan, Ben Sherwood, Arvind Tripathi
2023 J jnl
Expert Syst. Appl.
Prabaharan Sengodan, Karthik Srinivasan, Rajaram Pichamuthu, Saravanan Matheswaran
2023 J jnl
ACM Trans. Manag. Inf. Syst.
Karthik Srinivasan, Jinhang Jiang
2023 J jnl
Softw. Impacts
Jinhang Jiang, Karthik Srinivasan
2023 conf
EMBC
Binh Duong Giap, Karthik Srinivasan, Ossama Mahmoud, Shahzad Ihsan Mian, Bradford Laurence Tannen, Nambi Nallasamy
2022 J jnl
Multim. Tools Appl.
Makram Soui, Zainab Haddad, Rim Trabelsi, Karthik Srinivasan
2022 J jnl
J. Supercomput.
Jayabrabu Ramakrishnan, Rajesh Doss, Thangam Palaniswamy, Raddad Faqihi, Dowlath Fathima, Karthik Srinivasan
2022 J jnl
J. Supercomput.
B. Prasanalakshmi, K. Murugan, Karthik Srinivasan, S. Shridevi, Shermin Shamsudheen, Yu-Chen Hu
2022 J jnl
MIS Q.
Buomsoo (Raymond) Kim, Karthik Srinivasan, Sung Hye Kong, Jung Hee Kim, Chan Soo Shin, Sudha Ram
2022 J jnl
Multim. Tools Appl.
Karthik Srinivasan, Geetanjali Rathee, M. Ram Kumar Raja, Naveen Jaglan, T. V. Mahendiran, Thangam Palaniswamy
2020 J jnl
Remote. Sens.
Alexander Wineteer, Dragana Perkovic-Martin, Raquel Rodriguez Monje, Ernesto Rodríguez, Tamás Gál, Noppasin Niamsuwan, Fabien Nicaise, Karthik Srinivasan, Chad Baldi, Ninoslav Majurec, Bryan W. Stiles
2020 J jnl
IEEE Access
Tao Qu, Aneesh Venugopal, James M. Etheridge, William K. Peria, Karthik Srinivasan, Bethanie J. H. Stadler, Paul A. Crowell, R. H. Victora
2020 J jnl
Comput. Intell.
Azath Mubarakali, Karthik Srinivasan, Reham Mukhalid, Subash C. B. Jaganathan, Ninoslav Marina
2020 conf
PETRA
Dimitri Kraft, Karthik Srinivasan, Gerald Bieber
2019 C conf
ICIS
Buomsoo (Raymond) Kim, Karthik Srinivasan, Sudha Ram
2018 J jnl
IEEE Micro
Norman Chang, Stephen H. Pan, Karthik Srinivasan, Zhigang Feng, Wenbo Xia, Tim Pawlak, David Geb
2018 Misc conf
IndiaHCI
Karthik Srinivasan, Dineshkumar Singh, Vaibhav Lonkar, Pavan Vutla, Divya Alla, Sanat Sarangi
2018 conf
iWOAR
Marian Haescher, Denys J. C. Matthies, Karthik Srinivasan, Gerald Bieber
2018 J jnl
Quantum Inf. Process.
Saipriya Satyajit, Karthik Srinivasan, Bikash K. Behera, Prasanta K. Panigrahi
2018 J jnl
IEEE J. Biomed. Health Informatics
Karthik Srinivasan, Faiz Currim, Sudha Ram
2017 conf
DH
Karthik Srinivasan, Faiz Currim, Sudha Ram, Matthias R. Mehl, Casey Lindberg, Esther M. Sternberg, Perry Skeath, Davida Herzl, Reuben Herzl, Melissa M. Lunden, Nicole Goebel, Scott Andrews, Bijan Najafi, Javad Razjouyan, Hyo-Ki Lee, Brian Gilligan, Judith Heerwagen, Kevin Kampschroer, Kelli Canada
2016 conf
Digital Health
Karthik Srinivasan, Faiz Currim, Sudha Ram, Casey Lindberg, Esther M. Sternberg, Perry Skeath, Bijan Najafi, Javad Razjouyan, Hyo-Ki Lee, Colin Foe-Parker, Nicole Goebel, Reuben Herzl, Matthias R. Mehl, Brian Gilligan, Judith Heerwagen, Kevin Kampschroer, Kelli Canada
2016 conf
Digital Health
Karthik Srinivasan, Sudha Ram
2015 conf
UKSim
Karthik Srinivasan, Gaurav Roy
2015 Misc conf
IndiaHCI
Divya Piplani, Dinesh Kumar Singh, Karthik Srinivasan, N. Ramesh, Anil Kumar, Viswa kumar
2014 Misc conf
VLSID
Neel Gala, V. R. Devanathan, Karthik Srinivasan, V. Visvanathan, V. Kamakoti
2012 C conf
IGARSS
Karthik Srinivasan, Burgess Howell, Eric Anderson, Africa Flores
2012 B conf
WCNC
Amitabha Das, Harshil Anil Kumar Shah, Karthik Srinivasan
2012 conf
MOBILWARE
Karthik Srinivasan, Poorva Agrawal, Rajat Arya, Nadeem Akhtar, Deepak Pengoria, Timothy A. Gonsalves
2011 J jnl
Neural Networks
Stephen Grossberg, Karthik Srinivasan, Arash Yazdanbakhsh
2008 conf
IGARSS (5)
Harish Vedantham, Paul Siqueira, Karthik Srinivasan, Edin Insanic
2007 conf
ITNG
Sampathkumar Veeraraghavan, Karthik Srinivasan
2005 conf
SoCC
Ashok Narasimhan, Karthik Srinivasan, Ramalingam Sridhar
2002 J jnl
Transp. Sci.
Ismaïl Chabini, Alan L. Erera, Andrew P. Armacost, Jon Bottom, Sangjin Han, Martin Joborn, Michael Mahut, Qiang Meng, Andrew Schaefer, Karthik Srinivasan, Huseyin Topaloglu, Shane Velan, Ta-Hui Yang
start.py
← Index start.py python
"""
# By repository (existing behavior, now uses repository_upload_sessions)
python start.py --s3 --repo bazaar --index_prefix redb

# By repository with notes filter
python start.py --s3 --repo vx-itw --s3-notes "ITW.0138" --index_prefix redb

# By single date (all repo samples first seen on Jan 15, 2025)
python start.py --date 2025-01-15 --index_prefix redb

# By date with repository filter
python start.py --date 2025-01-15 --repo bazaar --index_prefix redb

# By date range (inclusive)
python start.py --range 2025-01-01 2025-01-31 --index_prefix redb

# By date range with repository and notes filters
python start.py --range 2025-01-01 2025-01-31 --repo malshare --s3-notes "batch1" --index_prefix redb

# By filetype (magika) standalone - process all ELF samples across all repos
python start.py --s3 --magika elf --index_prefix redb

# By filetype with repository filter
python start.py --s3 --repo bazaar --magika elf --index_prefix redb

# By filetype with date range - process only PE samples in date range
python start.py --range 2025-01-01 2025-01-31 --magika pebin --index_prefix redb
"""

import argparse
import os
import sys
from datetime import datetime, timedelta
from redb.ingestor import *

"""
        # General modules
        'BasicPropertiesExtractor': BasicPropertiesExtractor,
        'HashExtractor': HashExtractor,
        'DIEExtractor': DIEExtractor,
        'CAPAExtractor': CAPAExtractor,
        'StringsExtractor': StringsExtractor,
        # PE modules
        'PEFeaturesExtractor': PEFeaturesExtractor,
        'PEImportExtractor': PEImportExtractor,
        'PEResourceExtractor': PEResourceExtractor,
        'PEOverlayExtractor': PEOverlayExtractor,
        'PESectionExtractor': PESectionExtractor,
        'PESignatureExtractor': PESignatureExtractor,
        'PEExtraFindings': PEExtraFindings,
        'PEInconstistencyTestsExtractor': PEInconstistencyTestsExtractor,
        'PEDotNetExtractor': PEDotNetExtractor,
"""


def main():
    # # path = "/mnt/samples/consilience/malware/test/test-unzipped/0242d90dc48a8931bad72ddbdba34bdd568fd30610dfe049c84968d425088c71/"
    # path = "/Users/p4c0/_samples/test-unzipped/0242d90dc48a8931bad72ddbdba34bdd568fd30610dfe049c84968d425088c71" #Stuxnet
    # # path = "/Volumes/backup/consilience/malware/test/test-unzipped/rhpv-673f91a2085358e3266f466845366f30cf741060edeb31e9a93e2c92033bba28"
    # # path = "/mnt/samples/consilience/malware/test/test-redb/"
    # # path = "/mnt/samples/consilience/malware/malpedia-pe/9bc81280113473de9ebfe54f689b4440287c37fff562e070d3a28f5269cadcf0_dump7_0x00400000"
    # # path = "/mnt/samples/consilience/malware/test/test-unzipped/379251974ebcd5c397f92ca45bb9620d"
    # path = "0242d90dc48a8931bad72ddbdba34bdd568fd30610dfe049c84968d425088c71" # rich header, UPX packer
    # # #path = "d8637bdbcfc9112fcb1f0167b398e771" #dotnet
    # path = "/Users/p4c0/_samples/test-unzipped/sig-8e035beb02a411f8a9e92d4cf184ad34f52bbd0a81a50c222cdd4706e4e45104" #code signed, protector use case for sections
    # path = "/Users/p4c0/_samples/test-unzipped/vsinfo-39d8ad95b0323c37bd3134ab93ac4af44c66a1a8443a41c1ac02cec19bb2816a"
    # # path = "/Volumes/backup/consilience/malware/_sorted_samples/vx-apt/pebin/69e679daaaff3832c39671bf2b813b5530a70fb763d381f9a6e22e3bc493c8a9.7z"
    # # path = "test_files/hello"
    # path = "/Volumes/backup/consilience/malware/test/test-re2db/"
    # # path = "/Users/p4c0/_samples/HEUR-Trojan-PSW.MSIL.Maslog.gen-0c9ae5cd740c1da7060b92ddb33f3a3893e361aad45a2accc64d43bd9a1a4106"
    # # path = "/Users/p4c0/_samples/test-unzipped/"
    # # # path = "/Volumes/backup/consilience/malware/_sorted_samples/vx-apt/pebin/7156bd8056c4b6b4e179a64370067d3f7a7cce0044f1352d41f3c2c73038d273.7z"
    # decompile = False
    # repo = "test-fixing"
    # index_prefix = "test4"
    # selected_modules = "all"
    # exporter_types = ['ClickHouse']

    # parser = argparse.ArgumentParser(
    #     description="Process binary files in a given path."
    # )
    # parser.add_argument("path", 
    #     help="File path, directory path, or path to a .txt file containing a list of files to process (one per line)")
    # parser.add_argument(
    #     "--repo", help="Repository name for sample source, used for loggfile name"
    # )
    # parser.add_argument("--index_prefix", help="Index prefix for ElasticSearch")
    # parser.add_argument(
    #     "-d",
    #     "--decompile",
    #     action="store_true",
    #     help="Optional flag, if set it will run ONLY the decompiler on the binary files",
    # )
    # parser.add_argument(
    #     "-m",
    #     "--modules",
    #     help="Comma-separated list of modules to run (e.g., 'BasicPropertiesExtractor,HashExtractor') or 'all' for all modules",
    #     default="all",
    # )
    # args = parser.parse_args()
    # path = args.path
    # index_prefix = args.index_prefix
    # decompile = args.decompile
    # repo = args.repo
    # selected_modules = args.modules

    # print(f"Decompile flag: {decompile}")
    # print(f"Repo: {repo}")
    # print(f"Selected modules: {selected_modules}")
    
    # if path.endswith('.txt'):
    #     print(f"Reading file list from: {path}")

    # Ingestor(path, decompile, repo, index_prefix, selected_modules).ingest()

    parser = argparse.ArgumentParser(
        description="Process binary files from local paths or S3 storage."
    )
    
    # Create a mutually exclusive group for input sources
    # Not required because --analyzed can be used standalone
    input_group = parser.add_mutually_exclusive_group(required=False)
    input_group.add_argument(
        "--path", 
        help="File path, directory path, or path to a .txt file containing a list of files to process (one per line)")
    input_group.add_argument(
        "--s3",
        action="store_true",
        help="Use S3 mode to fetch files from repository specified by --repo")
    input_group.add_argument(
        "--s3-solo",
        metavar="S3_KEY",
        help="Process a single S3 file by providing the S3 key (e.g., 09/f7/09f7d02a....zip)")
    input_group.add_argument(
        "--nomad-job",
        action="store_true",
        help="Run as Nomad job using environment variables for job parameters")
    input_group.add_argument(
        "--date",
        metavar="YYYY-MM-DD",
        help="Process samples first seen on a specific date (from repository_upload_sessions only)")
    input_group.add_argument(
        "--range",
        nargs=2,
        metavar=("START_DATE", "END_DATE"),
        help="Process samples first seen in a date range (inclusive, from repository_upload_sessions only). Format: YYYY-MM-DD YYYY-MM-DD")
    parser.add_argument(
        "--analyzed",
        action="store_true",
        help="Filter to samples already in the database (from basic_properties). "
             "Can be used standalone or combined with --range/--date to partition large runs")

    parser.add_argument(
        "--repo",
        required=False,
        help="Repository name for sample source, used for logging and S3 filtering (optional for --date/--range modes)")
    
    parser.add_argument(
        "--s3-notes",
        help="Optional filter for S3 files based on notes field (S3 mode only)")

    parser.add_argument(
        "--magika",
        help="Filter by filetype_magika (e.g., 'elf', 'pebin'). Overrides SUPPORTED_FORMATS env var. Can combine with --repo, --date, --range")

    parser.add_argument(
        "--index_prefix", default="redb",
        help="Index prefix for database (default: redb)")
    
    parser.add_argument(
        "-d",
        "--decompile",
        action="store_true",
        help="Optional flag, if set it will run ONLY the decompiler on the binary files",
    )

    parser.add_argument(
        "-y",
        "--yara",
        action="store_true",
        help="Optional flag, if set it will run ONLY the YARA scanner on the binary files",
    )

    parser.add_argument(
        "--with-yara",
        action="store_true",
        help="Add YARA scanning to feature extraction (runs both features and YARA)",
    )

    parser.add_argument(
        "-m",
        "--modules",
        help="Comma-separated list of modules to run (e.g., 'BasicPropertiesExtractor,HashExtractor') or 'all' for all modules",
        default="all",
    )

    parser.add_argument(
        "--decompile-modules",
        help="Comma-separated list of decompiler sub-modules to run when using -d/--decompile. "
             "Available: decompilation, disassembly, cfg, llil, strings, or 'all' (default: all)",
        default="all",
    )
    
    parser.add_argument(
        "--force",
        action="store_true",
        help="Force reprocessing of samples already in the database (bypasses deduplication check)",
    )

    parser.add_argument(
        "--rerun",
        action="store_true",
        help="Re-run decompiler modules on already-disassembled samples only. "
             "Queries code_binja_disassembled_functions_references instead of basic_properties. "
             "Requires --analyzed and --decompile.",
    )

    parser.add_argument(
        "--dry-run",
        action="store_true",
        help="Print results instead of uploading to database (useful for testing)",
    )
    
    args = parser.parse_args()

    # Extract arguments
    path = args.path
    index_prefix = args.index_prefix
    decompile = args.decompile
    yara_scan = args.yara
    with_yara = args.with_yara
    repo = args.repo
    selected_modules = args.modules
    decompile_modules = args.decompile_modules
    s3_mode = args.s3
    s3_notes = args.s3_notes
    magika_filter = args.magika
    dry_run = args.dry_run
    force = args.force
    rerun = args.rerun
    s3_solo = args.s3_solo
    s3_key = args.s3_solo if args.s3_solo else None
    nomad_job = args.nomad_job
    analyzed = args.analyzed
    date_filter = args.date
    date_range = args.range

    # Validate that at least one input source is provided
    has_input = any([path, s3_mode, s3_solo, nomad_job, date_filter, date_range, analyzed])
    if not has_input:
        print("ERROR: Must specify an input source: --path, --s3, --s3-solo, --nomad-job, --date, --range, or --analyzed")
        sys.exit(1)

    # Validate --analyzed combinations
    if analyzed and any([path, s3_mode, s3_solo, nomad_job]):
        print("ERROR: --analyzed cannot be combined with --path, --s3, --s3-solo, or --nomad-job")
        sys.exit(1)

    # Validate flag combinations
    if yara_scan and with_yara:
        print("ERROR: Cannot use both --yara and --with-yara")
        sys.exit(1)
    if decompile and with_yara:
        print("ERROR: --with-yara only works with feature extraction, not decompile")
        sys.exit(1)

    # Parse and validate --decompile-modules
    VALID_DECOMPILE_MODULES = {"all", "decompilation", "disassembly", "cfg", "llil", "strings"}
    if decompile_modules == "all":
        decompile_modules_set = {"all"}
    else:
        decompile_modules_set = {m.strip() for m in decompile_modules.split(",")}
        invalid = decompile_modules_set - VALID_DECOMPILE_MODULES
        if invalid:
            print(f"ERROR: Invalid decompile module(s): {', '.join(sorted(invalid))}")
            print(f"Available: {', '.join(sorted(VALID_DECOMPILE_MODULES - {'all'}))}")
            sys.exit(1)

    if not decompile and decompile_modules != "all":
        print("ERROR: --decompile-modules requires -d/--decompile flag")
        sys.exit(1)

    if rerun and not analyzed:
        print("ERROR: --rerun requires --analyzed flag")
        sys.exit(1)
    if rerun and not decompile:
        print("ERROR: --rerun requires -d/--decompile flag")
        sys.exit(1)

    if rerun and force:
        print("ERROR: --rerun and --force are mutually exclusive. "
              "--rerun targets already-disassembled samples, --force targets all analyzed samples.")
        sys.exit(1)

    # Validate and parse date arguments
    start_date = None
    end_date = None

    if date_filter:
        # Single date mode: process samples from that day
        try:
            parsed_date = datetime.strptime(date_filter, "%Y-%m-%d")
            start_date = date_filter
            # End date is the next day (exclusive)
            end_date = (parsed_date + timedelta(days=1)).strftime("%Y-%m-%d")
        except ValueError:
            print(f"ERROR: Invalid date format '{date_filter}'. Use YYYY-MM-DD")
            sys.exit(1)

    if date_range:
        # Date range mode: process samples between start and end dates
        try:
            start_date = date_range[0]
            datetime.strptime(start_date, "%Y-%m-%d")  # Validate format
            parsed_end = datetime.strptime(date_range[1], "%Y-%m-%d")
            # End date is the day after the provided end date (to make it inclusive)
            end_date = (parsed_end + timedelta(days=1)).strftime("%Y-%m-%d")
        except ValueError:
            print(f"ERROR: Invalid date format in range '{date_range}'. Use YYYY-MM-DD YYYY-MM-DD")
            sys.exit(1)

    # Validate required parameters based on mode
    if nomad_job or s3_solo:
        # For nomad job and s3-solo modes, set default repo if not provided (used for log filename)
        if not repo:
            repo = "s3-solo" if s3_solo else "nomad-worker"
    elif analyzed:
        # For analyzed mode, repo is optional (used for logging only)
        if not repo:
            repo = "analyzed"
    elif date_filter or date_range:
        # For date/range modes, repo is optional (used for filtering within date range)
        # Set a default repo name for logging if not provided
        if not repo:
            repo = "date-range"
    elif s3_mode and magika_filter and not repo:
        # For S3 mode with magika filter, repo is optional (query all repos for that filetype)
        repo = "all-repos"
    elif not s3_mode and path:
        # For local mode, repo is required
        if not repo:
            print("ERROR: --repo is required for local mode")
            sys.exit(1)
    elif s3_mode and not repo:
        # For S3 mode without magika filter, repo is required
        print("ERROR: --repo is required for S3 catalog mode (or use --magika to query all repos)")
        sys.exit(1)

    print(f"Decompile flag: {decompile}")
    if decompile and decompile_modules != "all":
        print(f"Decompile modules: {', '.join(sorted(decompile_modules_set))}")
    print(f"YARA scan flag: {yara_scan}")
    print(f"With YARA flag: {with_yara}")
    print(f"Repo: {repo}")
    print(f"Selected modules: {selected_modules}")
    print(f"Dry run mode: {dry_run}")
    print(f"Force reprocessing: {force}")
    print(f"S3 solo mode: {s3_solo}")
    print(f"Nomad job mode: {nomad_job}")
    if magika_filter:
        print(f"Magika filter: {magika_filter}")
    if start_date:
        print(f"Date filter: {start_date} to {end_date}")
    if rerun:
        print(f"Rerun mode: targeting already-disassembled samples from code_binja_disassembled_functions_references")
    if analyzed:
        print(f"Analyzed mode: processing already-analyzed samples from basic_properties")

    if analyzed and not (date_filter or date_range):
        # Analyzed mode (standalone): process samples already in basic_properties via S3
        print(f"Processing already-analyzed samples from {index_prefix}_basic_properties")
        if magika_filter:
            print(f"Filetype filter: {magika_filter}")
        Ingestor(
            path=None,
            decompile=decompile,
            yara_scan=yara_scan,
            with_yara=with_yara,
            repository=repo or "analyzed",
            index_prefix=index_prefix,
            selected_modules=selected_modules,
            s3_mode=True,
            magika_filter=magika_filter,
            dry_run=dry_run,
            force=force,
            analyzed=True,
            decompile_modules=decompile_modules_set,
            rerun=rerun,
        ).ingest()

    elif date_filter or date_range:
        # Date-based S3 mode
        print(f"Date-based S3 mode enabled")
        if analyzed:
            print(f"Filtered to already-analyzed samples in {index_prefix}_basic_properties")
        if repo and repo != "date-range":
            print(f"Repository filter: {repo}")
        if s3_notes:
            print(f"Notes filter: {s3_notes}")
        Ingestor(
            path=None,
            decompile=decompile,
            yara_scan=yara_scan,
            with_yara=with_yara,
            repository=repo,
            index_prefix=index_prefix,
            selected_modules=selected_modules,
            s3_mode=True,
            s3_notes=s3_notes,
            magika_filter=magika_filter,
            dry_run=dry_run,
            force=force,
            start_date=start_date,
            end_date=end_date,
            analyzed=analyzed,
            decompile_modules=decompile_modules_set,
        ).ingest()

    elif s3_solo:
        # Process a single S3 file using S3 key provided as argument
        print(f"Starting S3 solo mode with S3 key: {s3_key}")

        # Override with environment variables if not provided via command line
        if not index_prefix:
            index_prefix = os.getenv('INDEX_PREFIX', 'redb')
        if not repo:
            repo = os.getenv('REPO', 's3-solo')

        # Validate required parameters
        if not s3_key:
            print("ERROR: S3 key is required for S3-solo mode")
            sys.exit(1)

        # Extract hash from S3 key by splitting and taking the last chunk
        # S3 key format examples:
        # - 09/f7/09f7d02a3c2382199458c98a62b045145ee54ab6aba86166aecf3d10c3c1444c.zip
        # - private/ab/cd/abcd1234567890abcdef1234567890abcdef1234567890abcdef123456.zip
        try:
            # Remove .zip extension and split by '/'
            sample_hash = s3_key.replace('.zip', '').split('/')[-1]
        except Exception as e:
            print(f"ERROR: Failed to extract hash from S3 key {s3_key}: {e}")
            sys.exit(1)

        print(f"S3 Key: {s3_key}")
        print(f"Extracted hash: {sample_hash}")
        print(f"Using index_prefix: {index_prefix}")
        print(f"Using repo: {repo}")
        print(f"Dry run mode: {dry_run}")
        print(f"Selected modules: {selected_modules}")

        # Use ingestor with S3-solo mode
        Ingestor(
            path=None,
            decompile=decompile,
            yara_scan=yara_scan,
            with_yara=with_yara,
            repository=repo,
            index_prefix=index_prefix or "s3_solo",
            selected_modules=selected_modules,
            s3_mode=True,
            s3_solo=True,
            s3_solo_hash=sample_hash,
            s3_solo_key=s3_key,
            dry_run=dry_run,
            force=force,
            decompile_modules=decompile_modules_set,
        ).ingest()

    elif nomad_job:
        # Run as Nomad job using environment variables - convert to S3-solo mode
        print("Starting Nomad job processor...")
        
        # Process Nomad environment variables
        job_id = os.getenv('JOB_ID')
        s3_key = os.getenv('S3_KEY')
        worker_type = os.getenv('WORKER_TYPE')
        callback_url = os.getenv('CALLBACK_URL')
        modules = os.getenv('ANALYSIS_MODULES', 'all')
        
        # Validate required parameters
        if not all([job_id, s3_key, worker_type, callback_url]):
            print("ERROR: Missing required Nomad job parameters")
            print("Required: JOB_ID, S3_KEY, WORKER_TYPE, CALLBACK_URL")
            sys.exit(1)
        
        print(f"Job ID: {job_id}")
        print(f"S3 Key: {s3_key}")
        print(f"Worker Type: {worker_type}")
        print(f"Callback URL: {callback_url}")
        print(f"Analysis Modules: {modules}")
        
        # Extract hash from S3 key (remove sharding structure and .zip extension)
        # S3 key format: 09/f7/09f7d02a3c2382199458c98a62b045145ee54ab6aba86166aecf3d10c3c1444c.zip
        # Extract: 09f7d02a3c2382199458c98a62b045145ee54ab6aba86166aecf3d10c3c1444c
        try:
            parts = s3_key.split('/')
            if len(parts) == 3:
                sample_hash = parts[2].replace('.zip', '')
            else:
                # Fallback for non-sharded keys
                sample_hash = s3_key.replace('.zip', '')
        except Exception as e:
            print(f"ERROR: Failed to extract hash from S3 key {s3_key}: {e}")
            sys.exit(1)
        
        print(f"Extracted hash: {sample_hash}")
        
        # Set decompile flag based on worker type
        decompile = worker_type == 'decompilation'
        
        # Override modules if specified
        if modules != 'all':
            selected_modules = modules
        
        # Use S3-solo mode with extracted hash
        Ingestor(
            path=None,
            decompile=decompile,
            yara_scan=yara_scan,
            with_yara=with_yara,
            repository=repo,
            index_prefix=index_prefix or "nomad",
            selected_modules=selected_modules,
            s3_mode=False,  # Not bulk S3 mode
            s3_solo=True,   # Use S3-solo mode
            s3_solo_hash=sample_hash,
            dry_run=dry_run,
            force=force,
            decompile_modules=decompile_modules_set,
        ).ingest()

        # TODO: Add callback to send results to callback_url
        print(f"[INFO] Nomad job {job_id} completed. Callback URL: {callback_url}")
    
    elif s3_mode:
        print(f"S3 mode enabled")
        if s3_notes:
            print(f"S3 notes filter: {s3_notes}")
        Ingestor(
            path=None,
            decompile=decompile,
            yara_scan=yara_scan,
            with_yara=with_yara,
            repository=repo,
            index_prefix=index_prefix,
            selected_modules=selected_modules,
            s3_mode=True,
            s3_notes=s3_notes,
            magika_filter=magika_filter,
            dry_run=dry_run,
            force=force,
            decompile_modules=decompile_modules_set,
        ).ingest()
    else:
        print(f"Local mode with path: {path}")
        if path.endswith('.txt'):
            print(f"Reading file list from: {path}")

        Ingestor(
            path=path,
            decompile=decompile,
            yara_scan=yara_scan,
            with_yara=with_yara,
            repository=repo,
            index_prefix=index_prefix,
            selected_modules=selected_modules,
            dry_run=dry_run,
            force=force,
            decompile_modules=decompile_modules_set,
        ).ingest()

if __name__ == "__main__":
    main()