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Solve issue Update hashcat mode with new rules #5905 #5965

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Solve issue Update hashcat mode with new rules #5905 #5965

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99b868b
Solve issue Update hashcat mode with new rules #5905
Serax4 Mar 19, 2026
196391b
Fixed the indentation as requested and added case v
Serax4 Apr 10, 2026
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137 changes: 113 additions & 24 deletions src/rules.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1437,18 +1437,101 @@ char *rules_apply(char *word_in, char *rule, int split)
}
break;

/* Additional "single crack" mode rules */
case 'h': /*convert the entire password to lowercase hex */
{
char outbuf[RULE_WORD_SIZE * 2];
int i;
if (length * 2 >= RULE_WORD_SIZE)
break;
for (i = 0; i < length; i++)
sprintf(&outbuf[i * 2], "%02x", (unsigned char)in[i]);
strcpy(in, outbuf);
length *= 2;
}
break;

case 'H': /*convert the entire password to uppercase hex*/
{
char outbuf[RULE_WORD_SIZE * 2];
int i;
if (length * 2 >= RULE_WORD_SIZE)
break;
for (i = 0; i < length; i++)
sprintf(&outbuf[i * 2], "%02X", (unsigned char)in[i]);
strcpy(in, outbuf);
length *= 2;
}
break;

case 'B': /* add byte value of X at pos N, bytewise. Format: BNX */
{
unsigned int pos;
unsigned char val;
POSITION(pos)
VALUE(val)
if (pos < length)
{
in[pos] = (unsigned char)(in[pos] + val);
}
}
break;

case 'v':
if (hc_logic)
{
/* HC rule: insert char X every N chars */
unsigned int n, i, out_len = 0;
char value;
char *out;
POSITION(n)
VALUE(value)
if (!n)
break;
GET_OUT
for (i = 0; i < length; i++)
{
if (out_len >= RULE_WORD_SIZE - 1)
break;
out[out_len++] = in[i];
if (((i + 1) % n) == 0) {
if (out_len >= RULE_WORD_SIZE - 1)
break;
out[out_len++] = value;
}
}
out[out_len] = 0;
in = out;
length = out_len;
break;
}
else
{
/* original JtR rule */
char var;
int a, s; /* may be negative */
VALUE(var)
if (var < 'a' || var > 'k')
goto out_ERROR_POSITION;
rules_vars['l'] = length;
POSITION(a)
POSITION(s)
rules_vars[ARCH_INDEX(var)] = a - s; /* may be negative */
}
break;

/* Additional "single crack" mode rules */
case '1':
if (split < 0)
goto out_ERROR_UNALLOWED;
if (!split) REJECT
if (!split)
REJECT
if (which)
memcpy(buffer[2][STAGE],
in, length + 1);
in, length + 1);
else
strnzcpy(buffer[2][STAGE],
&word[split],
RULE_WORD_SIZE);
&word[split],
RULE_WORD_SIZE);
length = split;
if (length > RULE_WORD_SIZE - 1)
length = RULE_WORD_SIZE - 1;
Expand All @@ -1460,37 +1543,43 @@ char *rules_apply(char *word_in, char *rule, int split)
case '2':
if (split < 0)
goto out_ERROR_UNALLOWED;
if (!split) REJECT
if (which) {
if (!split)
REJECT
if (which)
{
memcpy(buffer[2][STAGE],
in, length + 1);
} else {
in, length + 1);
}
else
{
length = split;
if (length > RULE_WORD_SIZE - 1)
length = RULE_WORD_SIZE - 1;
strnzcpy(buffer[2][STAGE],
word, length + 1);
word, length + 1);
}
strnzcpy(in, &word[split], RULE_WORD_SIZE);
length = strlen(in);
which = 2;
break;

case '+':
if (hc_logic || !which) {
/* HC rule: increment character */
unsigned int x;
POSITION(x)
if (x < length)
++in[x];
break;
}
switch (which) {
case 1:
strcat(in, buffer[2][STAGE]);
break;
case '+':
if (hc_logic || !which)
{
/* HC rule: increment character */
unsigned int x;
POSITION(x)
if (x < length)
++in[x];
break;
}
switch (which)
{
case 1:
strcat(in, buffer[2][STAGE]);
break;

case 2:
case 2:
{
char *out;
GET_OUT
Expand Down