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Command line

 

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You can run ARCHPR with command line parameters. The syntax is:

 

ARCHPR [switches] [zip/arj/ace/rar-filename]

 

or

 

ARCHPR [switches] [axr-filename]

 

The switches are separated with a "/" or "-". If the switch is followed by values (e.g., filename, starting password, etc.) containing special characters (space, semicolon, slash or dash), it must be enclosed in single or double quotes.

 

 

Switch

Description

Default




/a:b|m|d

attack type (brute-force, mask, dictionary)

brute-force

/c:csdepa

character set (caps, small, digits, special, space, all)

caps

/u:chars

user-defined charset


/oem

convert to OEM (for user-defined charset and dictionary attack)        

disabled

/sf:pass

start from password


/endat:pass

end at password


/usewz:X

use optimized WinZip attack


/useknownstart:XX

use known bytes in stored file (from 1 to 4 hex values, no spaces)


/p[:filename]

plaintext filename


/m:mask

mask


/ms:C

mask symbol

?

/min:N

minimum password length

1

/max:N

maximum password length

5

/oem

convert to OEM (for user-defined charset and dictionary attack)

disabled

/useknownstart:XX

use known bytes in stored file (from 1 to 4 hex values, no spaces)


/d[:filename]

dictionary filename


/sm

smart mutations

disabled

/ac

try all possible upper/lower case combinations

disabled

/sl:N

start from line N

0

/autosave:N

autosave every N minutes; 0 means disabled

5

/aname:filename

autosave filename


/adir:dir

autosave directory


/idle

run at idle priority

enabled

/high

run at high priority

disabled

/dontstart

don't start the attack, just load/set the parameters


/minimize

minimize the program after starting the attack


/smartexit[:filename]

when the attack is completed, write all statistics, including the password (if found) to the file specified (default "cmdline_stats.txt"), and exis the program

disabled

 

Examples:

 

archpr.exe /a:b /c:cs /min:3 /max:7 /smartexit test.zip

(brute-force attack; small and capital letters; length from 3 to 7; save and exit when done)

 

archpr.exe /a:b /u:12345abcde test.ace

(brute-force attack with "12345abcde" character set; length: from 1 to 5)

 

archpr.exe /a:m /c:d /m:june???? /sf:june1000 /high test.rar

(mask attack with ""june????" mask; charset: digits; high priority)

 

archpr.exe /d:english.dic /sm /oem /dontstart test.zip

(dictionary attack; dictionary: "english.dic"; smart mutations; convert words from ANSI to OEM; don't start)

 

archpr.exe /a:p /p:plain.arj test.arj

(known plaintext attack)

 

If the an axr-file is passed as a parameter, the program will immediately load settings ignoring the other settings supplied in the command line, except /dontstart, /minimize and /smartexit, and run the attack.