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Update GootLoaderAutoJsDecode.py
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Fixed scheduled tasks and second stage File name parsing on new samples: d5e60e0941ebcef5436406a7ecf1d0f1
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andy2002a authored Jul 26, 2024
1 parent 5b8121e commit 3150bd8
Showing 1 changed file with 16 additions and 4 deletions.
20 changes: 16 additions & 4 deletions GootLoaderAutoJsDecode.py
Original file line number Diff line number Diff line change
Expand Up @@ -4,8 +4,8 @@
# author : @andy2002a - Andy Morales
# author : @g0vandS - Govand Sinjari
# date : 2023-01-13
# updated : 2024-01-08
# version : 3.7
# updated : 2024-07-26
# version : 3.7.2
# usage : python GootLoaderAutoJsDecode.py malicious.js
# output : DecodedJsPayload.js_ and GootLoader3Stage2.js_
# py version : 3
Expand Down Expand Up @@ -196,7 +196,16 @@ def getFileandTaskData(inputString):
'''"((?:.{3,30}?\|.{3,30}){5,})";''' # Find: "text|text2|text3";
)

splitTextArray = splitTextPattern.search(inputString).group(1).split('|')
try:
splitTextArray = splitTextPattern.search(inputString).group(1).split('|')
except:
# some new samples are using @ as a separator rather than | : MD5: d5e60e0941ebcef5436406a7ecf1d0f1
splitTextPattern= re.compile(
'''"((?:.{3,30}?\@.{3,30}){5,})";''' # Find: "text@text2@text3";
)

splitTextArray = splitTextPattern.search(inputString).group(1).split('@')


# un-rotate the strings
fixedStrings = []
Expand Down Expand Up @@ -371,7 +380,10 @@ def parseRound2Data(round2InputStr, round1InputStr, variablesDict, isGootloader3
print('GootLoader Obfuscation Variant 3.0 sample detected.')

# File Names and scheduled task
getFileandTaskData(decodeString(round1InputStr.encode('raw_unicode_escape').decode('unicode_escape')))
try:
getFileandTaskData(decodeString(round1InputStr.encode('raw_unicode_escape').decode('unicode_escape')))
except:
print('Unable to parse Scheduled Task and Second Stage File Names')

global goot3detected
goot3detected = True
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