2023-04-21 13:25:09 +00:00
{
2023-06-14 17:31:25 +00:00
"type" : "bundle" ,
"id" : "bundle--5e00d123-d688-417f-aafe-40fb02de0b81" ,
"objects" : [
{
"type" : "identity" ,
"spec_version" : "2.1" ,
"id" : "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f" ,
"created" : "2019-12-23T14:43:48.000Z" ,
"modified" : "2019-12-23T14:43:48.000Z" ,
"name" : "CIRCL" ,
"identity_class" : "organization"
} ,
{
"type" : "report" ,
"spec_version" : "2.1" ,
"id" : "report--5e00d123-d688-417f-aafe-40fb02de0b81" ,
"created_by_ref" : "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f" ,
"created" : "2019-12-23T14:43:48.000Z" ,
"modified" : "2019-12-23T14:43:48.000Z" ,
"name" : "OSINT - Reversing a real-world 249 bytes backdoor!" ,
"published" : "2019-12-23T14:44:10Z" ,
"object_refs" : [
"observed-data--5e00d23b-051c-4038-866e-4aaa02de0b81" ,
"url--5e00d23b-051c-4038-866e-4aaa02de0b81" ,
"indicator--5e00d186-98c8-4333-8ce9-464802de0b81" ,
"indicator--5e00d1ba-d438-4138-90ad-427802de0b81" ,
"indicator--565a1793-5fe6-4024-aa00-e20ba4508e7d" ,
"x-misp-object--2be25da5-2716-4bb5-b8e7-cc49a557b6ea" ,
"indicator--5e00d259-cf84-4973-84be-41ac02de0b81" ,
2023-06-24 09:36:52 +00:00
"relationship--beb30297-355c-4083-9d4c-d4c7635fc142" ,
"relationship--036a9312-e602-4c39-ac75-9d8eaa64c492" ,
"relationship--0afb4143-c80f-4c72-bd99-162680b0a0b3" ,
"relationship--30a52215-ec87-476f-abf1-73bf40144e59"
2023-06-14 17:31:25 +00:00
] ,
"labels" : [
"Threat-Report" ,
"misp:tool=\"MISP-STIX-Converter\"" ,
"type:OSINT" ,
"osint:lifetime=\"perpetual\"" ,
"osint:certainty=\"50\"" ,
"ms-caro-malware:malware-type=\"Backdoor\""
] ,
"object_marking_refs" : [
"marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9"
]
} ,
{
"type" : "observed-data" ,
"spec_version" : "2.1" ,
"id" : "observed-data--5e00d23b-051c-4038-866e-4aaa02de0b81" ,
"created_by_ref" : "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f" ,
"created" : "2019-12-23T14:42:03.000Z" ,
"modified" : "2019-12-23T14:42:03.000Z" ,
"first_observed" : "2019-12-23T14:42:03Z" ,
"last_observed" : "2019-12-23T14:42:03Z" ,
"number_observed" : 1 ,
"object_refs" : [
"url--5e00d23b-051c-4038-866e-4aaa02de0b81"
] ,
"labels" : [
"misp:type=\"link\"" ,
"misp:category=\"External analysis\""
]
} ,
{
"type" : "url" ,
"spec_version" : "2.1" ,
"id" : "url--5e00d23b-051c-4038-866e-4aaa02de0b81" ,
"value" : "https://anee.me/reversing-a-real-world-249-bytes-backdoor-aadd876c0a32?gi=af1848a0c8d6"
} ,
{
"type" : "indicator" ,
"spec_version" : "2.1" ,
"id" : "indicator--5e00d186-98c8-4333-8ce9-464802de0b81" ,
"created_by_ref" : "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f" ,
"created" : "2019-12-23T14:39:02.000Z" ,
"modified" : "2019-12-23T14:39:02.000Z" ,
"description" : "Apparently it tries to make a socket and connect to the IP address: 104.248.237.194 on port number 1337. This ip address is owned by Digital Ocean." ,
"pattern" : "[(network-traffic:dst_ref.type = 'ipv4-addr' AND network-traffic:dst_ref.value = '104.248.237.194') AND network-traffic:dst_port = '1337']" ,
"pattern_type" : "stix" ,
"pattern_version" : "2.1" ,
"valid_from" : "2019-12-23T14:39:02Z" ,
"kill_chain_phases" : [
{
"kill_chain_name" : "misp-category" ,
"phase_name" : "network"
}
] ,
"labels" : [
"misp:name=\"ip-port\"" ,
"misp:meta-category=\"network\"" ,
"misp:to_ids=\"True\""
]
} ,
{
"type" : "indicator" ,
"spec_version" : "2.1" ,
"id" : "indicator--5e00d1ba-d438-4138-90ad-427802de0b81" ,
"created_by_ref" : "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f" ,
"created" : "2019-12-23T14:43:48.000Z" ,
"modified" : "2019-12-23T14:43:48.000Z" ,
"description" : "Epic! This 249 byte backdoor can run any shellcode we give it. The attackers can deploy it on an offshore IP address and execute arbitrary instructions on the victim\u00e2\u20ac\u2122s box." ,
"pattern" : "[file:hashes.MD5 = '93363683dcf1ccc4db296fa5fde69b71' AND file:hashes.SHA1 = '0d4570ae80f9fca2d4b68a7f4b88dd0eb2df3573']" ,
"pattern_type" : "stix" ,
"pattern_version" : "2.1" ,
"valid_from" : "2019-12-23T14:43:48Z" ,
"kill_chain_phases" : [
{
"kill_chain_name" : "misp-category" ,
"phase_name" : "file"
}
] ,
"labels" : [
"misp:name=\"file\"" ,
"misp:meta-category=\"file\"" ,
"misp:to_ids=\"True\""
]
} ,
{
"type" : "indicator" ,
"spec_version" : "2.1" ,
"id" : "indicator--565a1793-5fe6-4024-aa00-e20ba4508e7d" ,
"created_by_ref" : "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f" ,
"created" : "2019-12-23T14:43:22.000Z" ,
"modified" : "2019-12-23T14:43:22.000Z" ,
"pattern" : "[file:hashes.MD5 = '93363683dcf1ccc4db296fa5fde69b71' AND file:hashes.SHA1 = '0d4570ae80f9fca2d4b68a7f4b88dd0eb2df3573' AND file:hashes.SHA256 = '5141d29d0278c8da4eac177126cbf4d15623502d4763abd6d3a4dca2a3ea616e']" ,
"pattern_type" : "stix" ,
"pattern_version" : "2.1" ,
"valid_from" : "2019-12-23T14:43:22Z" ,
"kill_chain_phases" : [
{
"kill_chain_name" : "misp-category" ,
"phase_name" : "file"
}
] ,
"labels" : [
"misp:name=\"file\"" ,
"misp:meta-category=\"file\"" ,
"misp:to_ids=\"True\""
]
} ,
{
"type" : "x-misp-object" ,
"spec_version" : "2.1" ,
"id" : "x-misp-object--2be25da5-2716-4bb5-b8e7-cc49a557b6ea" ,
"created_by_ref" : "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f" ,
"created" : "2019-12-23T14:41:16.000Z" ,
"modified" : "2019-12-23T14:41:16.000Z" ,
"labels" : [
"misp:name=\"virustotal-report\"" ,
"misp:meta-category=\"misc\""
] ,
"x_misp_attributes" : [
{
"type" : "datetime" ,
"object_relation" : "last-submission" ,
"value" : "2019-12-23T14:37:22" ,
"category" : "Other" ,
"uuid" : "455902f8-0097-4722-b3e8-632b0576b786"
} ,
{
"type" : "link" ,
"object_relation" : "permalink" ,
"value" : "https://www.virustotal.com/file/5141d29d0278c8da4eac177126cbf4d15623502d4763abd6d3a4dca2a3ea616e/analysis/1577111842/" ,
"category" : "Payload delivery" ,
"uuid" : "8e8622e6-c217-4007-b5b1-f687b7229150"
} ,
{
"type" : "text" ,
"object_relation" : "detection-ratio" ,
"value" : "16/60" ,
"category" : "Payload delivery" ,
"uuid" : "9eace253-03a3-48a4-b9df-372f58d000fe"
}
] ,
"x_misp_meta_category" : "misc" ,
"x_misp_name" : "virustotal-report"
} ,
{
"type" : "indicator" ,
"spec_version" : "2.1" ,
"id" : "indicator--5e00d259-cf84-4973-84be-41ac02de0b81" ,
"created_by_ref" : "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f" ,
"created" : "2019-12-23T14:42:33.000Z" ,
"modified" : "2019-12-23T14:42:33.000Z" ,
"description" : "The payload" ,
"pattern" : "[file:hashes.MD5 = '93363683dcf1ccc4db296fa5fde69b71' AND file:hashes.SHA1 = '0d4570ae80f9fca2d4b68a7f4b88dd0eb2df3573' AND file:hashes.SHA256 = '5141d29d0278c8da4eac177126cbf4d15623502d4763abd6d3a4dca2a3ea616e' AND file:name = 'pay.bin' AND file:size = '249' AND (file:content_ref.payload_bin = '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' AND file:content_ref.x_misp_filename = 'pay.bin' AND file:content_ref.hashes.MD5 = '93363683dcf1ccc4db296fa5fde69b71' AND file:content_ref.mime_type = 'application/zip' AND file:content_ref.encryption_algorithm = 'mime-type-indicated' AND file:content_ref.decryption_key = 'infected')]" ,
"pattern_type" : "stix" ,
"pattern_version" : "2.1" ,
"valid_from" : "2019-12-23T14:42:33Z" ,
"kill_chain_phases" : [
{
"kill_chain_name" : "misp-category" ,
"phase_name" : "file"
}
] ,
"labels" : [
"misp:name=\"file\"" ,
"misp:meta-category=\"file\"" ,
"misp:to_ids=\"True\""
]
} ,
{
"type" : "relationship" ,
"spec_version" : "2.1" ,
2023-06-24 09:36:52 +00:00
"id" : "relationship--beb30297-355c-4083-9d4c-d4c7635fc142" ,
2023-06-14 17:31:25 +00:00
"created" : "2019-12-23T14:40:19.000Z" ,
"modified" : "2019-12-23T14:40:19.000Z" ,
2023-04-21 13:25:09 +00:00
"relationship_type" : "connects-to" ,
2023-06-14 17:31:25 +00:00
"source_ref" : "indicator--5e00d1ba-d438-4138-90ad-427802de0b81" ,
"target_ref" : "indicator--5e00d186-98c8-4333-8ce9-464802de0b81"
} ,
{
"type" : "relationship" ,
"spec_version" : "2.1" ,
2023-06-24 09:36:52 +00:00
"id" : "relationship--036a9312-e602-4c39-ac75-9d8eaa64c492" ,
2023-06-14 17:31:25 +00:00
"created" : "2019-12-23T14:43:48.000Z" ,
"modified" : "2019-12-23T14:43:48.000Z" ,
2023-04-21 13:25:09 +00:00
"relationship_type" : "related-to" ,
2023-06-14 17:31:25 +00:00
"source_ref" : "indicator--5e00d1ba-d438-4138-90ad-427802de0b81" ,
"target_ref" : "indicator--5e00d259-cf84-4973-84be-41ac02de0b81"
} ,
{
"type" : "relationship" ,
"spec_version" : "2.1" ,
2023-06-24 09:36:52 +00:00
"id" : "relationship--0afb4143-c80f-4c72-bd99-162680b0a0b3" ,
2023-06-14 17:31:25 +00:00
"created" : "2019-12-23T14:41:17.000Z" ,
"modified" : "2019-12-23T14:41:17.000Z" ,
2023-04-21 13:25:09 +00:00
"relationship_type" : "analysed-with" ,
2023-06-14 17:31:25 +00:00
"source_ref" : "indicator--565a1793-5fe6-4024-aa00-e20ba4508e7d" ,
"target_ref" : "x-misp-object--2be25da5-2716-4bb5-b8e7-cc49a557b6ea"
} ,
{
"type" : "relationship" ,
"spec_version" : "2.1" ,
2023-06-24 09:36:52 +00:00
"id" : "relationship--30a52215-ec87-476f-abf1-73bf40144e59" ,
2023-06-14 17:31:25 +00:00
"created" : "2019-12-23T14:43:22.000Z" ,
"modified" : "2019-12-23T14:43:22.000Z" ,
2023-04-21 13:25:09 +00:00
"relationship_type" : "connects-to" ,
2023-06-14 17:31:25 +00:00
"source_ref" : "indicator--565a1793-5fe6-4024-aa00-e20ba4508e7d" ,
"target_ref" : "indicator--5e00d186-98c8-4333-8ce9-464802de0b81"
} ,
{
"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"
}
}
2023-04-21 13:25:09 +00:00
]
}