YARA · ditekSHen detection
DITEKSHEN_MALWARE_Win_Bazarloader
Detects BazarLoader variants
- Author
- ditekSHen
- Date
- 2020-11-06
- Modified
- 2024-11-01
- Score / Quality
- 75 / 75
What this rule detects
Detects BazarLoader variants
Associated malware family: Bazarloader.
Targets: Windows PE.
It defines 6 patterns (6 text, 0 hex, 0 regex).
Summary generated from the rule's metadata and condition.
Rule source
malware-win-bazarloader.yarBSD 2-Clause License
rule DITEKSHEN_MALWARE_Win_Bazarloader : FILE
{
meta:
= "Detects BazarLoader variants"
= "ditekSHen"
= "6282df59-7244-501f-bb60-09a2a519bd47"
= "2020-11-06"
= "2024-11-01"
= "https://github.com/ditekshen/detection"
= "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/yara/malware.yar#L5763-L5776"
= "https://github.com/ditekshen/detection/blob/e76c93dcdedff04076380ffc60ea54e45b313635/LICENSE.txt"
= "8febd1355bc03f71794ffb8d51cbb112e8acd2d26fec5bb736a388d5384e7747"
= 75
= 75
= "FILE"
strings:
$s1 = "Startdelay for %d ms to avoid some dynamic AV detects!" ascii
$s2 = "Use Debug for moving faster!" ascii
$s3 = "Logging Mutex %s to %s" ascii
$s4 = "FIRST AND ONLY COPY RUNNING! Mutex %s" ascii
$s5 = "the most secret 3d GetWinApiPointers line in the world!" ascii
$s6 = "[+] makeMD5hash. " ascii
condition:
uint16( 0 ) == 0x5a4d and 3 of ( $s* )
}
Strings (6 patterns)
| Identifier | Type | Value | Modifiers |
|---|---|---|---|
| $s1 | text | "Startdelay for %d ms to avoid some dynamic AV detects!" | ascii |
| $s2 | text | "Use Debug for moving faster!" | ascii |
| $s3 | text | "Logging Mutex %s to %s" | ascii |
| $s4 | text | "FIRST AND ONLY COPY RUNNING! Mutex %s" | ascii |
| $s5 | text | "the most secret 3d GetWinApiPointers line in the world!" | ascii |
| $s6 | text | "[+] makeMD5hash. " | ascii |
Condition
uint16( 0 ) == 0x5a4d and 3 of ( $s* )In plain words (Heuristic)
- The file must start with “MZ” — a Windows executable (PE).
- At least 3 patterns in ( $s* ) must match.
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References
Licence & attribution
Author: ditekSHen
Source repository: ditekSHen detection @ e76c93dcde
Licence: BSD 2-Clause License (repository licence)
Copyright notice: Copyright 2021 by ditekSHen (https://github.com/ditekshen/detection).
Mirrored via YARA Forge 20260927, which prefixes rule names with the source and adds normalised meta fields.
Rule id: 6282df59-7244-501f-bb60-09a2a519bd47
Tags:FILE
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