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Merged
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Aug 3, 2026
Merged

[pull] master from Neo23x0:master #147

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153 changes: 75 additions & 78 deletions yara/apt_tetris.yar
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@

/* caused false positives from time to time and is most likely a standard JS obfuscator
rule apt_CN_Tetris_JS_advanced_1
{
meta:
Expand Down Expand Up @@ -29,86 +29,83 @@ rule apt_CN_Tetris_JS_advanced_1
)
)
}
*/

rule apt_CN_Tetrisplugins_JS {
meta:
author = "@imp0rtp3"
description = "Code and strings of plugins from the Tetris framework loaded by Swid"
reference = "https://imp0rtp3.wordpress.com/2021/08/12/tetris"
date = "2020-09-06"

rule apt_CN_Tetrisplugins_JS
{
meta:
author = "@imp0rtp3"
description = "Code and strings of plugins from the Tetris framework loaded by Swid"
reference = "https://imp0rtp3.wordpress.com/2021/08/12/tetris"
date = "2020-09-06"
id = "83e6fbad-55d6-5229-a17d-8929e0e658f8"
strings:
// Really unique strings
$a3 = "(0xbb8);this['socketWatcher'](0xbb9);this["
$a4 = "a2869674571f77b5a0867c3d71db5856"
$a5 = "\\x0a\\x20\\x20var\\x20data\\x20=\\x20{}\\x0a\\x20\\x20window.c\\x20=\\x200\\x0a\\x20\\x20script2\\x20=\\x20document.createElement(\\x22script\\x22)\\x0a\\x20\\x20script2.async\\x20=\\x20true\\x0a\\x20\\x20script2.src\\x20=\\x20\\x22"
$a6 = "{isPluginCallback:\\x20true,\\x20data,\\x20plugin:\\x20'"
$a7 = "\\x20\\x22*\\x22)\\x0a\\x20\\x20}\\x0a\\x20\\x20document.documentElement.appendChild("

// Still quite unique, but FP possible
$b1 = "String(str).match(/red\">(.*?)<\\/font>/)"
$b2 = "['data']);}};}},{'key':'run','value':function _0x"
$b3 = "},{'plugin':this['plugin'],'save':!![],'type':_typeof("
$b4 = "Cannot\\x20call\\x20a\\x20class\\x20as\\x20a\\x20function"
$b5 = "The\\x20command\\x20is\\x20sent\\x20successfully,\\x20wait\\x20for\\x20the\\x20result\\x20to\\x20return"
$b6 = "getUserMedia\\x20is\\x20not\\x20implemented\\x20in\\x20this\\x20browser"
$b7 = "{'autoplay':'true'},!![]);setTimeout(function(){return $('#'+"
$b8 = "keyLogger($('input'));\n keyLogger($('textarea'));"
$b9 = "api.loadJS(\"\".concat(api.base.baseUrl"
$b10 = "\"\".concat(imgUrls[i], \"?t=\""
$b11 = "key: \"report\",\n value: function report(data) {\n return this.api.callback"
$b12 = "that.api.base.debounce("
$b13 = "'className','restOfNavigator','push'"
$b14 = ";};'use strict';function _typeof("

id = "83e6fbad-55d6-5229-a17d-8929e0e658f8"
strings:
// Rare strings, but not unique
$c1 = "/public/dependence/jquery"
$c2 = "'http://bn6kma5cpxill4pe.onion/static/images/tor-logo1x.png'"
$c3 = "'163.com not login';"
$c4 = "'ws://localhost:'"
$c5 = "function _typeof(obj) { \"@babel/helpers - typeof\"; "
$c6 = "'socketWatcher'"
$c7 = "['configurable']=!![];"
$c8 = "')]({'status':!![],'data':_0x"
$c9 = "')]={'localStorage':'localStorage'in window?window[_0x"
$c10 = "Browser not supported geolocation.');"
$c11 = "')]({'status':!![],'msg':'','data':_0x"
$c12 = "var Plugin = /*#__PURE__*/function () {"

// Really unique strings
$a3 = "(0xbb8);this['socketWatcher'](0xbb9);this["
$a4 = "a2869674571f77b5a0867c3d71db5856"
$a5 = "\\x0a\\x20\\x20var\\x20data\\x20=\\x20{}\\x0a\\x20\\x20window.c\\x20=\\x200\\x0a\\x20\\x20script2\\x20=\\x20document.createElement(\\x22script\\x22)\\x0a\\x20\\x20script2.async\\x20=\\x20true\\x0a\\x20\\x20script2.src\\x20=\\x20\\x22"
$a6 = "{isPluginCallback:\\x20true,\\x20data,\\x20plugin:\\x20'"
$a7 = "\\x20\\x22*\\x22)\\x0a\\x20\\x20}\\x0a\\x20\\x20document.documentElement.appendChild("

// Still quite unique, but FP possible
$b1 = "String(str).match(/red\">(.*?)<\\/font>/)"
$b2 = "['data']);}};}},{'key':'run','value':function _0x"
$b3 = "},{'plugin':this['plugin'],'save':!![],'type':_typeof("
$b4 = "Cannot\\x20call\\x20a\\x20class\\x20as\\x20a\\x20function"
$b5 = "The\\x20command\\x20is\\x20sent\\x20successfully,\\x20wait\\x20for\\x20the\\x20result\\x20to\\x20return"
$b6 = "getUserMedia\\x20is\\x20not\\x20implemented\\x20in\\x20this\\x20browser"
$b7 = "{'autoplay':'true'},!![]);setTimeout(function(){return $('#'+"
$b8 = "keyLogger($('input'));\n keyLogger($('textarea'));"
$b9 = "api.loadJS(\"\".concat(api.base.baseUrl"
$b10 = "\"\".concat(imgUrls[i], \"?t=\""
$b11 = "key: \"report\",\n value: function report(data) {\n return this.api.callback"
$b12 = "that.api.base.debounce("
$b13 = "'className','restOfNavigator','push'"
$b14 = ";};'use strict';function _typeof("

// Rare strings, but not unique
$c1 = "/public/dependence/jquery"
$c2 = "'http://bn6kma5cpxill4pe.onion/static/images/tor-logo1x.png'"
$c3 = "'163.com not login';"
$c4 = "'ws://localhost:'"
$c5 = "function _typeof(obj) { \"@babel/helpers - typeof\"; "
$c6 = "'socketWatcher'"
$c7 = "['configurable']=!![];"
$c8 = "')]({'status':!![],'data':_0x"
$c9 = "')]={'localStorage':'localStorage'in window?window[_0x"
$c10 = "Browser not supported geolocation.');"
$c11 = "')]({'status':!![],'msg':'','data':_0x"
$c12 = "var Plugin = /*#__PURE__*/function () {"

// The TA uses the use strict in all his plugins
$use_strict1 = "\"use strict\";"
$use_strict2 = "'use strict';"
// The TA uses the use strict in all his plugins
$use_strict1 = "\"use strict\";"
$use_strict2 = "'use strict';"

// Some of the same strings in base64, in case the attacker change their obfuscation there
$e1 = "Cannot\x20call\x20a\x20class\x20as\x20a\x20function" base64
$e2 = "The\x20command\x20is\x20sent\x20successfully,\x20wait\x20for\x20the\x20result\x20to\x20return" base64
$e3 = "getUserMedia\x20is\x20not\x20implemented\x20in\x20this\x20browser" base64
$e4 = "http://bn6kma5cpxill4pe.onion/static/images/tor-logo1x.png" base64
$e5 = "/public/dependence/jquery" base64
$e6 = "\x20\x22*\x22)\x0a\x20\x20}\x0a\x20\x20document.documentElement.appendChild(" base64
$e8 = "\x0a\x20\x20var\x20data\x20=\x20{}\x0a\x20\x20window.c\x20=\x200\x0a\x20\x20script2\x20=\x20document.createElement(\x22script\x22)\x0a\x20\x20script2.async\x20=\x20true\x0a\x20\x20script2.src\x20=\x20\x22" base64
$e9 = "{isPluginCallback:\x20true,\x20data,\x20plugin:\x20" base64

condition:
filesize < 1000000
and (
any of ($a*)
or 2 of ($b*)
or 4 of ($c*)
or 2 of ($e*)
or(
any of ($use_strict*)
and(
(
any of ($b*)
and 2 of ($c*)
)
or any of ($e*)
)
)
)
// Some of the same strings in base64, in case the attacker change their obfuscation there
$e1 = "Cannot\x20call\x20a\x20class\x20as\x20a\x20function" base64
$e2 = "The\x20command\x20is\x20sent\x20successfully,\x20wait\x20for\x20the\x20result\x20to\x20return" base64
$e3 = "getUserMedia\x20is\x20not\x20implemented\x20in\x20this\x20browser" base64
$e4 = "http://bn6kma5cpxill4pe.onion/static/images/tor-logo1x.png" base64
$e5 = "/public/dependence/jquery" base64
$e6 = "\x20\x22*\x22)\x0a\x20\x20}\x0a\x20\x20document.documentElement.appendChild(" base64
$e8 = "\x0a\x20\x20var\x20data\x20=\x20{}\x0a\x20\x20window.c\x20=\x200\x0a\x20\x20script2\x20=\x20document.createElement(\x22script\x22)\x0a\x20\x20script2.async\x20=\x20true\x0a\x20\x20script2.src\x20=\x20\x22" base64
$e9 = "{isPluginCallback:\x20true,\x20data,\x20plugin:\x20" base64
condition:
filesize < 1000000
and (
any of ($a*)
or 2 of ($b*)
or 4 of ($c*)
or 2 of ($e*)
or (
any of ($use_strict*)
and (
(
any of ($b*)
and 2 of ($c*)
)
or any of ($e*)
)
)
)
}
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