123 lines
No EOL
5.3 KiB
JSON
123 lines
No EOL
5.3 KiB
JSON
{
|
|
"type": "bundle",
|
|
"id": "bundle--5894f12f-709c-4502-a896-7dbf02de0b81",
|
|
"objects": [
|
|
{
|
|
"type": "identity",
|
|
"spec_version": "2.1",
|
|
"id": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
|
|
"created": "2017-02-03T21:10:19.000Z",
|
|
"modified": "2017-02-03T21:10:19.000Z",
|
|
"name": "CIRCL",
|
|
"identity_class": "organization"
|
|
},
|
|
{
|
|
"type": "report",
|
|
"spec_version": "2.1",
|
|
"id": "report--5894f12f-709c-4502-a896-7dbf02de0b81",
|
|
"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
|
|
"created": "2017-02-03T21:10:19.000Z",
|
|
"modified": "2017-02-03T21:10:19.000Z",
|
|
"name": "OSINT - Windows SMBv3 Denial of Service Proof of Concept (0 Day Exploit)",
|
|
"published": "2017-02-03T21:10:32Z",
|
|
"object_refs": [
|
|
"indicator--5894f14c-b000-4526-88c4-874d02de0b81",
|
|
"observed-data--5894f176-4fe8-4611-91d5-46d602de0b81",
|
|
"url--5894f176-4fe8-4611-91d5-46d602de0b81",
|
|
"observed-data--5894f1a8-fda4-499e-ba27-8cd702de0b81",
|
|
"url--5894f1a8-fda4-499e-ba27-8cd702de0b81"
|
|
],
|
|
"labels": [
|
|
"Threat-Report",
|
|
"misp:tool=\"MISP-STIX-Converter\""
|
|
],
|
|
"object_marking_refs": [
|
|
"marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9"
|
|
]
|
|
},
|
|
{
|
|
"type": "indicator",
|
|
"spec_version": "2.1",
|
|
"id": "indicator--5894f14c-b000-4526-88c4-874d02de0b81",
|
|
"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
|
|
"created": "2017-02-03T21:08:38.000Z",
|
|
"modified": "2017-02-03T21:08:38.000Z",
|
|
"description": "Based on this understanding of the exploit (please let me know if I didn't get it right or missed something), I wrote a simple snort signature that looks for Tree Connect messages that exceed 1000 bytes in size. Use this at your own risk. It is in \"works for me\" state:",
|
|
"pattern": "[alert tcp $EXTERNAL_NET 445 -> $HOME_NET any (sid: 10001515; msg: \"SMB Excessive Large Tree Connect Response\"; byte_test: 3,>,1000,1; content: \"|fe 53 4d 42 40 00|\"; offset: 4; depth: 6; content: \"|03 00|\"; offset: 16; depth:2 ;)]",
|
|
"pattern_type": "snort",
|
|
"valid_from": "2017-02-03T21:08:38Z",
|
|
"kill_chain_phases": [
|
|
{
|
|
"kill_chain_name": "misp-category",
|
|
"phase_name": "Network activity"
|
|
}
|
|
],
|
|
"labels": [
|
|
"misp:type=\"snort\"",
|
|
"misp:category=\"Network activity\""
|
|
]
|
|
},
|
|
{
|
|
"type": "observed-data",
|
|
"spec_version": "2.1",
|
|
"id": "observed-data--5894f176-4fe8-4611-91d5-46d602de0b81",
|
|
"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
|
|
"created": "2017-02-03T21:09:25.000Z",
|
|
"modified": "2017-02-03T21:09:25.000Z",
|
|
"first_observed": "2017-02-03T21:09:25Z",
|
|
"last_observed": "2017-02-03T21:09:25Z",
|
|
"number_observed": 1,
|
|
"object_refs": [
|
|
"url--5894f176-4fe8-4611-91d5-46d602de0b81"
|
|
],
|
|
"labels": [
|
|
"misp:type=\"link\"",
|
|
"misp:category=\"Payload delivery\"",
|
|
"ms-caro-malware:malware-type=\"Exploit\""
|
|
]
|
|
},
|
|
{
|
|
"type": "url",
|
|
"spec_version": "2.1",
|
|
"id": "url--5894f176-4fe8-4611-91d5-46d602de0b81",
|
|
"value": "https://github.com/lgandx/PoC/tree/master/SMBv3%20Tree%20Connect"
|
|
},
|
|
{
|
|
"type": "observed-data",
|
|
"spec_version": "2.1",
|
|
"id": "observed-data--5894f1a8-fda4-499e-ba27-8cd702de0b81",
|
|
"created_by_ref": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
|
|
"created": "2017-02-03T21:10:19.000Z",
|
|
"modified": "2017-02-03T21:10:19.000Z",
|
|
"first_observed": "2017-02-03T21:10:19Z",
|
|
"last_observed": "2017-02-03T21:10:19Z",
|
|
"number_observed": 1,
|
|
"object_refs": [
|
|
"url--5894f1a8-fda4-499e-ba27-8cd702de0b81"
|
|
],
|
|
"labels": [
|
|
"misp:type=\"link\"",
|
|
"misp:category=\"External analysis\"",
|
|
"osint:source-type=\"blog-post\"",
|
|
"admiralty-scale:source-reliability=\"b\""
|
|
]
|
|
},
|
|
{
|
|
"type": "url",
|
|
"spec_version": "2.1",
|
|
"id": "url--5894f1a8-fda4-499e-ba27-8cd702de0b81",
|
|
"value": "https://isc.sans.edu/diary/Windows%2BSMBv3%2BDenial%2Bof%2BService%2BProof%2Bof%2BConcept%2B%280%2BDay%2BExploit%29/22029"
|
|
},
|
|
{
|
|
"type": "marking-definition",
|
|
"spec_version": "2.1",
|
|
"id": "marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9",
|
|
"created": "2017-01-20T00:00:00.000Z",
|
|
"definition_type": "tlp",
|
|
"name": "TLP:WHITE",
|
|
"definition": {
|
|
"tlp": "white"
|
|
}
|
|
}
|
|
]
|
|
} |