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sigtool

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
EXAMPLES
CREDITS
AUTHOR
SEE ALSO

NAME

sigtool − signature and database management tool

SYNOPSIS

sigtool [options]

DESCRIPTION

sigtool can be used to generate MD5 checksums, convert data into hexadecimal format, list virus signatures and build/unpack/test/verify CVD databases and update scripts.

OPTIONS

−h, −−help

Output help information and exit.

−V, −−version

Print version number and exit.

−−quiet

Be quiet − output only error messages.

−−stdout

Write all messages to stdout.

−−hex−dump

Read data from stdin and write hex string to stdout.

−−md5 [FILES]

Generate MD5 checksum from stdin or MD5 sigs for FILES.

−−sha1 [FILES]

Generate SHA1 checksum from stdin or SHA1 sigs for FILES.

−−sha256 [FILES]

Generate SHA256 checksum from stdin or SHA256 sigs for FILES.

−−mdb [FILES]

Generate .mdb signatures for FILES.

−−html−normalise=FILE

Create normalised HTML files comment.html, nocomment.html, and script.html in current working directory.

−−utf16−decode=FILE

Decode UTF16 encoded data.

−−vba=FILE

Extract VBA/Word6 macros from given MS Office document.

−−vba−hex=FILE

Extract Word6 macros from given MS Office document and display the corresponding hex values.

−i, −−info

Print a CVD information and verify MD5 and a digital signature.

−−build=FILE, −b FILE

Build a CVD file. −s, −−server is required for signed virus databases(.cvd), or, −−unsigned for unsigned(.cud).

−−max−bad−sigs=NUMBER

Maximum number of mismatched signatures when building a CVD. Default: 3000

−−flevel

Specify a custom flevel. Default: 77

−−cvd−version

Specify the version number to use for the build. Default is to use the value+1 from the current CVD in −−datadir. If no datafile is found the default behaviour is to prompt for a version number, this switch will prevent the prompt. NOTE: If a CVD is found in the −−datadir its version+1 is used and this value is ignored.

−−no−cdiff

Don’t create a .cdiff file when building a new database file.

−−unsigned

Create a database file without digital signatures (.cud).

−−server

ClamAV Signing Service address (for virus database maintainers only).

−−datadir=DIR

Use DIR as the default database directory for all operations.

−−unpack=FILE, −u FILE

Unpack FILE (CVD) to a current directory.

−−unpack−current

Unpack a local CVD file (main or daily) to current directory.

−−diff=OLD NEW, −d OLD NEW

Create a diff file for OLD and NEW CVDs/INCDIRs.

−−compare=OLD NEW, −c OLD NEW

This command will compare two text files and print differences in a cdiff format.

−−run−cdiff=FILE, −r FILE

Execute update script FILE in current directory.

−−verify−cdiff=FILE, −r FILE

Verify DIFF against CVD/INCDIR.

−l[FILE], −−list−sigs[=FILE]

List all signature names from the local database directory (default) or from FILE.

−fREGEX, −−find−sigs=REGEX

Find and display signatures from the local database directory which match the given REGEX. The whole signature body (name, hex string, etc.) is checked.

−−decode−sigs=REGEX

Decode signatures read from the standard input (eg. piped from −−find−sigs)

−−test−sigs=DATABASE TARGET_FILE

Test all signatures from DATABASE against TARGET_FILE. This option will only give valid results if the target file is the final one (after unpacking, normalization, etc.) for which the signatures were created.

−−print−certs=FILE

Print Authenticode details from a PE file.

EXAMPLES

Generate hex string from testfile and save it to testfile.hex:

cat testfile | sigtool −−hex−dump > testfile.hex

CREDITS

Please check the full documentation for credits.

AUTHOR

Tomasz Kojm <tkojm@clamav.net>

SEE ALSO

freshclam(1), freshclam.conf(5)