View win_colibriloader.yara
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rule win_colibriloader : loader | |
{ | |
meta: | |
author = "andretavare5" | |
description = "ColibriLoader malware" | |
org = "BitSight" | |
date = "2022-11-22" | |
md5 = "f1bbf3a0c6c52953803e5804f4e37b15" | |
reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.colibri" | |
license = "CC BY-NC-SA 4.0" |
View win_packed_colibriloader.yara
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rule win_packed_colibriloader : packed loader | |
{ | |
meta: | |
author = "andretavare5" | |
description = "Packed ColibriLoader malware" | |
org = "BitSight" | |
date = "2022-09-21" | |
md5 = "e0a68b98992c1699876f818a22b5b907" | |
reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.colibri" | |
license = "CC BY-NC-SA 4.0" |
View win_matanbuchus.yara
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import "pe" | |
rule win_matanbuchus : loader | |
{ | |
meta: | |
author = "andretavare5" | |
description = "Detects Matanbuchus MaaS loader and core" | |
org = "BitSight" | |
date = "2022-07-07" | |
md5 = "8fc15b030254c0d49f18d06c696d6986" |
View privateloader_str_decrypt.py
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import pefile | |
import struct | |
from capstone import * | |
def extract_var(op): | |
if ']' in op: | |
op = ''.join(op.split(' ')[-1])[:-1].replace('[', '') | |
return op | |
def search(instructions, var): |
View win_privateloader.yara
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rule win_privateloader : loader | |
{ | |
meta: | |
author = "andretavare5" | |
org = "BitSight" | |
date = "2022-06-06" | |
md5 = "8f70a0f45532261cb4df2800b141551d" | |
reference = "https://tavares.re/blog/2022/06/06/hunting-privateloader-pay-per-install-service" | |
license = "CC BY-NC-SA 4.0" | |