misp-circl-feed/feeds/circl/stix-2.1/d5ccd0b6-f554-4182-8ac3-c8a4d5789ba6.json

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{
"type": "bundle",
"id": "bundle--d5ccd0b6-f554-4182-8ac3-c8a4d5789ba6",
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{
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"id": "identity--55f6ea5e-2c60-40e5-964f-47a8950d210f",
"created": "2021-09-24T08:14:48.000Z",
"modified": "2021-09-24T08:14:48.000Z",
"name": "CIRCL",
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},
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"created": "2021-09-24T08:14:48.000Z",
"modified": "2021-09-24T08:14:48.000Z",
"name": "TinyTurla - Turla deploys new malware to keep a secret backdoor on victim machines",
"published": "2021-09-24T08:14:56Z",
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],
"labels": [
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"misp:tool=\"MISP-STIX-Converter\"",
"type:OSINT",
"osint:lifetime=\"perpetual\"",
"osint:certainty=\"50\"",
"misp-galaxy:mitre-enterprise-attack-intrusion-set=\"Turla - G0010\"",
"misp-galaxy:threat-actor=\"Turla Group\""
],
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"kill_chain_phases": [
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"kill_chain_name": "misp-category",
"phase_name": "Payload delivery"
}
],
"labels": [
"misp:type=\"sha256\"",
"misp:category=\"Payload delivery\"",
"misp:to_ids=\"True\""
]
},
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"created": "2021-09-24T08:10:17.000Z",
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"labels": [
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{
"type": "link",
"object_relation": "link",
"value": "https://blog.talosintelligence.com/2021/09/tinyturla.html",
"category": "External analysis",
"uuid": "65654f61-cd9f-416f-a840-debc025dc4da"
},
{
"type": "text",
"object_relation": "summary",
"value": "Cisco Talos found a previously undiscovered backdoor from the Turla APT that we are seeing in the wild. This simple backdoor is likely used as a second-chance backdoor to maintain access to the system, even if the primary malware is removed. It could also be used as a second-stage dropper to infect the system with additional malware.",
"category": "Other",
"uuid": "4368eb41-7e59-4a68-b66c-c9c7c51a11dc"
},
{
"type": "text",
"object_relation": "type",
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"pattern": "import \\\\\"pe\\\\\"\r\nrule TinyTurla {\r\nmeta:\r\nauthor = \\\\\"Cisco Talos\\\\\"\r\ndescription = \\\\\"Detects Tiny Turla backdoor DLL\\\\\"\r\nstrings:\r\n$a = \\\\\"Title:\\\\\" fullword wide\r\n$b = \\\\\"Hosts\\\\\" fullword wide\r\n$c = \\\\\"Security\\\\\" fullword wide\r\n$d = \\\\\"TimeLong\\\\\" fullword wide\r\n$e = \\\\\"TimeShort\\\\\" fullword wide\r\n$f = \\\\\"MachineGuid\\\\\" fullword wide\r\n$g = \\\\\"POST\\\\\" fullword wide\r\n$h = \\\\\"WinHttpSetOption\\\\\" fullword ascii\r\n$i = \\\\\"WinHttpQueryDataAvailable\\\\\" fullword ascii\r\n\r\ncondition:\r\npe.is_pe and\r\npe.characteristics & pe.DLL and\r\npe.exports(\\\\\"ServiceMain\\\\\") and\r\nall of them\r\n}",
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"pattern_version": "2.1",
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]
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"created": "2021-09-24T08:12:06.000Z",
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}